Esomeprazole Magnesium

(Esomeprazole Magnesium Delayed Release Capsules)

Check Drug InteractionsCheck known drug interactions.

Esomeprazole Magnesium Prescribing Information

Esomeprazole magnesium is a proton pump inhibitor (PPI). Esomeprazole magnesium delayed-release capsules are indicated for the:

Short-term treatment in the healing of erosive esophagitis (EE) in adults and pediatric patients 12 years to 17 years of age.
(
1.1 Healing of Erosive Esophagitis (EE)
Adults
Esomeprazole magnesium delayed-release capsules are indicated for the short-term treatment (4 to 8 weeks) in the healing and symptomatic resolution of diagnostically confirmed EE in adults. For those patients who have not healed after 4 to 8 weeks of treatment, an additional 4- to 8-week course of esomeprazole magnesium may be considered.

Pediatric Patients
12 Years to 17 Years of Age
Esomeprazole magnesium delayed-release capsules indicated for the short-term treatment (4 to 8 weeks) for the healing of EE in pediatric patients 12 years to 17 years of age.
)
Maintenance of healing of EE in adults. (
1.2 Maintenance of Healing of EE
Esomeprazole magnesium delayed-release capsules are indicated for the maintenance of healing of EE in adults. Controlled studies do not extend beyond 6 months.
)
Short-term treatment of heartburn and other symptoms associated GERD in adults and pediatric patients 12 years to 17 years of age. (
1.3 Treatment of Symptomatic GERD
Adults
Esomeprazole magnesium delayed-release capsules are indicated for short-term treatment (4 to 8 weeks) of heartburn and other symptoms associated with GERD in adults.
Pediatric Patients 12 Years to 17 Years of Age
Esomeprazole magnesium delayed-release capsules are indicated for short-term treatment (4 weeks) of heartburn and other symptoms associated with GERD in pediatric patients 12 years to 17 years of age.
)
Risk reduction of nonsteroidal anti-inflammatory drugs (NSAID)-associated gastric ulcer in adults at risk for developing gastric ulcers due to age (60 years and older) and/or documented history of gastric ulcers.
(
1.4 Risk Reduction of Nonsteroidal Anti-Inflammatory Drugs (NSAID)-Associated Gastric Ulcer
Esomeprazole magnesium delayed-release capsules are indicated for the reduction in the occurrence of gastric ulcers associated with continuous NSAID therapy in adult patients at risk for developing gastric ulcers. Patients are considered to be at risk due to their age (60 years and older) and/or documented history of gastric ulcers. Controlled studies do not extend beyond 6 months.
)
Helicobacter pylori
eradication in adult patients to reduce the risk of duodenal ulcer recurrence in combination with amoxicillin and clarithromycin.
(
1.5 Helicobacter pylori Eradication to Reduce the Risk of Duodenal Ulcer Recurrence
Eradication of
H. pylori
has been shown to reduce the risk of duodenal ulcer recurrence.
Triple Therapy
Esomeprazole magnesium delayed-release capsules in combination with amoxicillin and clarithromycin is indicated for the treatment of adult patients with
H. pylori
infection and duodenal ulcer disease (active or history of within the past 5 years) to eradicate
H. pylori
.

In patients who fail therapy, susceptibility testing should be done. If resistance to clarithromycin is demonstrated or susceptibility testing is not possible, alternative antimicrobial therapy should be instituted
[see
Clinical Pharmacology
and the prescribing information for clarithromycin]
.
)
Long-term treatment of pathological hypersecretory conditions, including Zollinger-Ellison syndrome in adults.
1.6 Pathological Hypersecretory Conditions Including Zollinger-Ellison Syndrome
Esomeprazole magnesium delayed-release capsules are indicated for the long-term treatment of pathological hypersecretory conditions, including Zollinger-Ellison Syndrome, in adults.
)

Population	Recommended Adult (2.1) and Pediatric Dosage (2.2)
Healing of EE (12 year and older)
Adults	20 mg or 40 mg¹ once daily for 4 to 8 weeks; some patients may require an additional 4 to 8 weeks
12 years to 17 years	20 mg or 40 mg¹ once daily for 4 to 8 weeks
Maintenance of Healing of EE
Adults	20 mg once daily. Controlled studies do not extend beyond 6 months
Treatment of Symptomatic GERD
Adults	20 mg once daily once daily for 4 weeks some patients may require an additional 4 weeks
12 years to 17 years	20 mg once daily for 4 weeks
Risk Reduction of NSAID-Associated Gastric Ulcer
Adults	20 mg or 40 mg¹ once daily for up to 6 months²
H. pylori Eradication to Reduce the Risk of Duodenal Ulcer Recurrence
Adults	Esomeprazole magnesium 40 mg¹ once daily for 10 days Amoxicillin 1000 mg twice daily for 10 days³ Clarithromycin 500 mg twice daily for 10 days³
Pathological Hypersecretory Conditions Including Zollinger-Ellison Syndrome
Adults	Starting dosage is 40 mg twice daily⁴ (varies with the individual patient) as long as clinically indicated.

¹A maximum dosage of 20 mg once daily is recommended for patients with severe liver impairment (Child-Pugh Class C).

²Controlled studies do not extend beyond 6 months.

³ Refer to the amoxicillin and clarithromycin prescribing information for dosage adjustments in elderly and renally-impaired patients.

⁴A starting dosage of 20 mg twice daily is recommended for patients with severe liver impairment (Child-Pugh Class C).

Preparation and Administration Information

Swallow capsules whole; do not crush or chew. For patients who cannot swallow intact capsule, the capsule can be opened, and the contents mixed with applesauce. (
2.3 Preparation and Administration Instructions
- Take esomeprazole magnesium delayed-release capsules at least one hour before meals
  [see
  Clinical Pharmacology
  ]
  .
- Antacids may be used concomitantly with esomeprazole magnesium.
- Take a missed dose as soon as possible. If it is almost time for the next dose, skip the missed dose and take the next dose at the regular scheduled time. Do not take 2 doses at the same time.
Esomeprazole Magnesium Delayed-Release Capsules
Administer esomeprazole magnesium delayed-release capsules orally or via a nasogastric tube, as described below.
Oral Administration
- Swallow esomeprazole magnesium delayed-release capsules whole; do not chew or crush the capsules.
- For patients who have difficulty swallowing capsules, esomeprazole magnesium delayed-release capsules can be opened, and the contents sprinkled on applesauce. Use with other foods has not been evaluated and is not recommended.
- Add one tablespoon of applesauce to an empty bowl. The applesauce used should not be hot and should be soft enough to be swallowed without chewing.
- Open the esomeprazole magnesium delayed-release capsule and carefully empty the granules inside the capsule onto the applesauce.
- Mix the granules with the applesauce.
- Administer the mixture immediately. Do not chew or crush the granules
- Discard any remaining mixture. Do not store the mixture for future use.
Administration via Nasogastric Tube
- Open the esomeprazole magnesium delayed-release capsule and empty the granules into a 60 mL catheter-tipped syringe.
- Mix the granules with 50 mL of water.
- Replace the plunger and shake the catheter-tipped syringe vigorously for 15 seconds.
- Hold the catheter-tipped syringe with the tip up and check for any granules remaining in the tip.
- Attach the catheter-tipped syringe to a nasogastric tube and deliver the contents of the syringe through the nasogastric tube into the stomach.
- After administering the granules, flush the nasogastric tube with additional water.
- Use the mixture immediately after preparation. Do not administer the granules if they have dissolved or disintegrated.
)
Opened capsules can be administered through a nasogastric tube and oral suspension can be administered through a nasogastric tube. (
2.3 Preparation and Administration Instructions
- Take esomeprazole magnesium delayed-release capsules at least one hour before meals
  [see
  Clinical Pharmacology
  ]
  .
- Antacids may be used concomitantly with esomeprazole magnesium.
- Take a missed dose as soon as possible. If it is almost time for the next dose, skip the missed dose and take the next dose at the regular scheduled time. Do not take 2 doses at the same time.
Esomeprazole Magnesium Delayed-Release Capsules
Administer esomeprazole magnesium delayed-release capsules orally or via a nasogastric tube, as described below.
Oral Administration
- Swallow esomeprazole magnesium delayed-release capsules whole; do not chew or crush the capsules.
- For patients who have difficulty swallowing capsules, esomeprazole magnesium delayed-release capsules can be opened, and the contents sprinkled on applesauce. Use with other foods has not been evaluated and is not recommended.
- Add one tablespoon of applesauce to an empty bowl. The applesauce used should not be hot and should be soft enough to be swallowed without chewing.
- Open the esomeprazole magnesium delayed-release capsule and carefully empty the granules inside the capsule onto the applesauce.
- Mix the granules with the applesauce.
- Administer the mixture immediately. Do not chew or crush the granules
- Discard any remaining mixture. Do not store the mixture for future use.
Administration via Nasogastric Tube
- Open the esomeprazole magnesium delayed-release capsule and empty the granules into a 60 mL catheter-tipped syringe.
- Mix the granules with 50 mL of water.
- Replace the plunger and shake the catheter-tipped syringe vigorously for 15 seconds.
- Hold the catheter-tipped syringe with the tip up and check for any granules remaining in the tip.
- Attach the catheter-tipped syringe to a nasogastric tube and deliver the contents of the syringe through the nasogastric tube into the stomach.
- After administering the granules, flush the nasogastric tube with additional water.
- Use the mixture immediately after preparation. Do not administer the granules if they have dissolved or disintegrated.
)

Esomeprazole magnesium delayed-release capsules, USP 20 mg – Light yellow to brown colored enteric coated pellets filled in size “4” hard gelatin capsule, opaque dark blue cap & opaque dark blue body printed “ESOM” on cap and “20” on the body in white ink.
Esomeprazole magnesium delayed-release capsules, USP 40 mg – Light yellow to brown colored enteric coated pellets filled in size “3” hard gelatin capsule, opaque dark blue cap & opaque dark blue body printed “ESOM” on cap and “40” on the body in white ink.

Risk Summary

There are no adequate and well-controlled studies with esomeprazole in pregnant women. Esomeprazole is the S-isomer of omeprazole. Available epidemiologic data fail to demonstrate an increased risk of major congenital malformations or other adverse pregnancy outcomes with first trimester omeprazole use

(see Data)

. Reproduction studies in rats and rabbits resulted in dose-dependent embryo-lethality at omeprazole doses that were approximately 3.4 to 34 times an oral human dose of 40 mg (based on a body surface area for a 60 kg person).

Teratogenicity was not observed in animal reproduction studies with administration of oral esomeprazole magnesium in rats and rabbits with doses about 68 times and 42 times, respectively, an oral human dose of 40 mg (based on a body surface area basis for a 60 kg person). Changes in bone morphology were observed in offspring of rats dosed through most of pregnancy and lactation at doses equal to or greater than approximately 34 times an oral human dose of 40 mg. When maternal administration was confined to gestation only, there were no effects on bone physeal morphology in the offspring at any age

(see

Data

)

The estimated background risks of major birth defects and miscarriage for the indicated population are unknown. All pregnancies have a background risk of birth defect, loss or other adverse outcomes. In the U.S. general population, the estimated background risk of major birth defects and miscarriage in clinically recognized pregnancies is 2% to 4% and 15% to 20%, respectively.

Data

Human Data

Esomeprazole is the S-isomer of omeprazole. Four epidemiological studies compared the frequency of congenital abnormalities among infants born to women who used omeprazole during pregnancy with the frequency of abnormalities among infants of women exposed to H2-receptor antagonists or other controls.

A population-based retrospective cohort epidemiological study from the Swedish Medical Birth Registry, covering approximately 99% of pregnancies, from 1995 to 1999, reported on 955 infants (824 exposed during the first trimester with 39 of these exposed beyond first trimester, and 131 exposed after the first trimester) whose mothers used omeprazole during pregnancy. The number of infants exposed in utero to omeprazole that had any malformation, low birth weight, low Apgar score, or hospitalization was similar to the number observed in this population. The number of infants born with ventricular septal defects and the number of stillborn infants was slightly higher in the omeprazole-exposed infants than the expected number in this population.

A population-based retrospective cohort study covering all live births in Denmark from 1996 to 2009, reported on 1,800 live births whose mothers used omeprazole during the first trimester of pregnancy and 837,317 live births whose mothers did not use any proton pump inhibitor. The overall rate of birth defects in infants born to mothers with first trimester exposure to omeprazole was 2.9% and 2.6% in infants born to mothers not exposed to any proton pump inhibitor during the first trimester.

A retrospective cohort study reported on 689 pregnant women exposed to either H2-blockers or omeprazole in the first trimester (134 exposed to omeprazole) and 1,572 pregnant women unexposed to either during the first trimester. The overall malformation rate in offspring born to mothers with first trimester exposure to omeprazole, an H2-blocker, or were unexposed was 3.6%, 5.5%, and 4.1% respectively.

A small prospective observational cohort study followed 113 women exposed to omeprazole during pregnancy (89% with first trimester exposures). The reported rate of major congenital malformations was 4% in the omeprazole group, 2% in controls exposed to non-teratogens, and 2.8% in disease paired controls. Rates of spontaneous and elective abortions, preterm deliveries, gestational age at delivery, and mean birth weight were similar among the groups.

Several studies have reported no apparent adverse short-term effects on the infant when single dose oral or intravenous omeprazole was administered to over 200 pregnant women as premedication for cesarean section under general anesthesia.

Animal Data

Omeprazole

Reproductive studies conducted with omeprazole in rats at oral doses up to 138 mg/kg/day (about 34 times an oral human dose of 40 mg on a body surface area basis) and in rabbits at doses up to 69.1 mg/kg/day (about 34 times an oral human dose of 40 mg on a body surface area basis) during organogenesis did not disclose any evidence for a teratogenic potential of omeprazole. In rabbits, omeprazole in a dose range of 6.9 to 69.1 mg/kg/day (about 3.4 to 34 times an oral human dose of 40 mg on a body surface area basis) administered during organogenesis produced dose-related increases in embryo-lethality, fetal resorptions, and pregnancy disruptions. In rats, dose-related embryo/fetal toxicity and postnatal developmental toxicity were observed in offspring resulting from parents treated with omeprazole at 13.8 to 138.0 mg/kg/day (about 3.4 to 34 times an oral human dose of 40 mg on a body surface area basis), administered prior to mating through the lactation period.

Esomeprazole

No effects on embryo-fetal development were observed in reproduction studies with esomeprazole magnesium in rats at oral doses up to 280 mg/kg/day (about 68 times an oral human dose of 40 mg on a body surface area basis) or in rabbits at oral doses up to 86 mg/kg/day (about 41 times an oral human dose of 40 mg on a body surface area basis) administered during organogenesis.

A pre-and postnatal developmental toxicity study in rats with additional endpoints to evaluate bone development was performed with esomeprazole magnesium at oral doses of 14 to 280 mg/kg/day (about 3.4 to 68 times an oral human dose of 40 mg on a body surface area basis). Neonatal/early postnatal (birth to weaning) survival was decreased at doses equal to or greater than 138 mg/kg/day (about 34 times an oral human dose of 40 mg on a body surface area basis). Body weight and body weight gain were reduced and neurobehavioral or general developmental delays in the immediate post-weaning timeframe were evident at doses equal to or greater than 69 mg/kg/day (about 17 times an oral human dose of 40 mg on a body surface area basis). In addition, decreased femur length, width and thickness of cortical bone, decreased thickness of the tibial growth plate and minimal to mild bone marrow hypocellularity were noted at doses equal to or greater than 14 mg/kg/day (about 3.4 times an oral human dose of 40 mg on a body surface area basis). Physeal dysplasia in the femur was observed in offspring of rats treated with oral doses of esomeprazole magnesium at doses equal to or greater than 138 mg/kg/day (about 34 times an oral human dose of 40 mg on a body surface area basis).

Effects on maternal bone were observed in pregnant and lactating rats in a pre-and postnatal toxicity study when esomeprazole magnesium was administered at oral doses of 14 to 280 mg/kg/day (about 3.4 to 68 times an oral human dose of 40 mg on a body surface area basis). When rats were dosed from gestational day 7 through weaning on postnatal day 21, a statistically significant decrease in maternal femur weight of up to 14% (as compared to placebo treatment) was observed at doses equal to or greater than 138 mg/kg/day (about 34 times an oral human dose of 40 mg on a body surface area basis).

A pre-and postnatal development study in rats with esomeprazole strontium (using equimolar doses compared to esomeprazole magnesium study) produced similar results in dams and pups as described above.

A follow up developmental toxicity study in rats with further time points to evaluate pup bone development from postnatal day 2 to adulthood was performed with esomeprazole magnesium at oral doses of 280 mg/kg/day (about 68 times an oral human dose of 40 mg on a body surface area basis) where esomeprazole administration was from either gestational day 7 or gestational day 16 until parturition. When maternal administration was confined to gestation only, there were no effects on bone physeal morphology in the offspring at any age.

Esomeprazole magnesium is contraindicated in patients with known hypersensitivity to substituted benzimidazoles or to any component of the formulation. Hypersensitivity reactions may include anaphylaxis, anaphylactic shock, angioedema, bronchospasm, acute tubulointerstitial nephritis, and urticaria
[see Warnings and Precautions (
5.2 Acute Tubulointerstitial Nephritis
Acute tubulointerstitial nephritis (TIN) has been observed in patients taking PPIs and may occur at any point during PPI therapy. Patients may present with varying signs and symptoms from symptomatic hypersensitivity reactions to non-specific symptoms of decreased renal function (e.g., malaise, nausea, anorexia). In reported case series, some patients were diagnosed on biopsy and in the absence of extra-renal manifestations (e.g., fever, rash or arthralgia). Discontinue esomeprazole magnesium and evaluate patients with suspected acute TIN
[see
Contraindications
].
Increased exposure of other antiretroviral drugs (e.g., saquinavir) when used concomitantly with esomeprazole may increase toxicity
[see
Clinical Pharmacology
].
There are other antiretroviral drugs which do not result in clinically relevant interactions with esomeprazole.

Intervention:

Rilpivirine-containing products:

Concomitant use with esomeprazole magnesium is contraindicated

[see

Contraindications

]

Atazanavir

: See prescribing information for atazanavir for dosing information.

Nelfinavir

: Avoid concomitant use with esomeprazole magnesium. See prescribing information for nelfinavir.

Saquinavir:

See the prescribing information for saquinavir for monitoring of potential saquinavir-related toxicities.

Other antiretrovirals:

See prescribing information for specific antiretroviral drugs

Warfarin

Clinical Impact:

Increased INR and prothrombin time in patients receiving PPIs, including esomeprazole, and warfarin concomitantly. Increases in INR and prothrombin time may lead to abnormal bleeding and even death.

Intervention:

Monitor INR and prothrombin time and adjust the dose of warfarin, if needed, to maintain the target INR range.

Methotrexate

Clinical Impact:

Concomitant use of esomeprazole with methotrexate (primarily at high dose) may elevate and prolong serum concentrations of methotrexate and/or its metabolite hydroxymethotrexate, possibly leading to methotrexate toxicities. No formal drug interaction studies of high-dose methotrexate with PPIs have been conducted

[see Warnings and Precautions ].

Intervention:

A temporary withdrawal of esomeprazole magnesium may be considered in some patients receiving high-dose methotrexate.

2C19 Substrates (e.g., clopidogrel, citalopram, cilostazol)

Clopidogrel

Clinical Impact:

Concomitant use of esomeprazole 40 mg resulted in reduced plasma concentrations of the active metabolite of clopidogrel and a reduction in platelet inhibition

[see Clinical Pharmacology ].

There are no adequate combination studies of a lower dose of esomeprazole or a higher dose of clopidogrel in comparison with the approved dose of clopidogrel

Intervention:

Avoid concomitant use with esomeprazole magnesium Consider use of alternative anti-platelet therapy

[see Warnings and Precautions ].

Citalopram

Clinical Impact:

Increased exposure of citalopram leading to an increased risk of QT prolongation

[see Clinical Pharmacology ].

Intervention:

Limit the dose of citalopram to a maximum of 20 mg per day. See prescribing information for citalopram.

Cilostazol

Clinical Impact:

Increased exposure of cilostazol and one of its active metabolites (3,4-dihydro-cilostazol)

[see Clinical Pharmacology ].

Intervention:

Consider reducing the dose of cilostazol to 50 mg twice daily. See prescribing information for cilostazol.

Digoxin

Clinical Impact:

Potential for increased exposure of digoxin

[see Clinical Pharmacology ].

Intervention:

Monitor digoxin concentrations and adjust the dose, if needed, to maintain therapeutic drug concentrations. See prescribing information for digoxin.

Combination Therapy with Clarithromycin and Amoxicillin

Clinical Impact:

Concomitant administration of clarithromycin with other drugs can lead to serious adverse reactions, including potentially fatal arrhythmias, and are contraindicated. Amoxicillin also has drug interactions.

Intervention:

See

Contraindications, Warnings

and

Precautions

in prescribing information for clarithromycin. See

Drug Interactions

in prescribing information for amoxicillin.

Drugs Dependent on Gastric pH for Absorption (e.g., iron salts, erlotinib, dasatinib, nilotinib, mycophenolate mofetil, ketoconazole/itraconazole)

Clinical Impact:

Esomeprazole can reduce the absorption of other drugs due to its effect on reducing intragastric acidity

Intervention:

Mycophenolate mofetil (MMF): Co-administration of omeprazole, of which esomeprazole is an enantiomer, in healthy subjects and in transplant patients receiving MMF has been reported to reduce the exposure to the active metabolite, mycophenolic acid (MPA), possibly due to a decrease in MMF solubility at an increased gastric pH. The clinical relevance of reduced MPA exposure on organ rejection has not been established in transplant patients receiving esomeprazole magnesium and MMF. Use esomeprazole magnesium with caution in transplant patients receiving MMF

[see Clinical Pharmacology ]

. See the prescribing information for other drugs dependent on gastric pH for absorption.

Tacrolimus

Clinical Impact:

Potentially increased exposure of tacrolimus, especially in transplant patients who are intermediate or poor metabolizers of CYP2C19

Intervention:

Monitor tacrolimus whole blood concentrations and consider reducing the dose, if needed, to maintain therapeutic drug concentrations. See prescribing information for tacrolimus.

Interactions with Investigations of Neuroendocrine Tumors

Clinical Impact:

Serum chromogranin A (CgA) levels increase secondary to PPI-induced decreases in gastric acidity. The increased CgA level may cause false positive results in diagnostic investigations for neuroendocrine tumors

[see Warnings and Precautions , Clinical Pharmacology ].

Intervention:

Discontinue esomeprazole magnesium at least 14 days before assessing CgA levels and consider repeating the test if initial CgA levels are high. If serial tests are performed (e.g. for monitoring), the same commercial laboratory should be used for testing, as reference ranges between tests may vary.

Interaction with Secretin Stimulation Test

Clinical Impact:

Hyper-response in gastrin secretion in response to secretin stimulation test, falsely suggesting gastrinoma.

Intervention:

Discontinue esomeprazole magnesium 4 weeks prior to testing

[see Clinical Pharmacology ]

False Positive Urine Tests for THC

Clinical Impact:

There have been reports of false positive urine screening test for tetrahydrocannabinol (THC) in patients receiving PPIs.

Intervention:

An alternative confirmatory method should be considered to verify positive results.

Table 4: Clinically Relevant Interactions Affecting Esomeprazole When Co-Administered with Other Drugs

CYP2C19 or CYP3A4 Inducers
Clinical Impact:	Decreased exposure of esomeprazole when used concomitantly with strong inducers [see Clinical Pharmacology ].
Intervention:	St. John’s Wort, rifampin: Avoid concomitant use with [see Warnings and Precautions ]. Ritonavir-containing products: see prescribing information for specific drugs
Voriconazole
Clinical Impact:	Increased exposure of esomeprazole [see Clinical Pharmacology ].
Intervention:	Dose adjustment of esomeprazole magnesium is not normally required. However, in patients with Zollinger-Ellison syndrome, who may require higher doses, dosage adjustment may be considered. See prescribing information for voriconazole.

See full prescribing information for a list of clinically important drug interactions. (

)

]

Gastric Malignancy
: In adults, symptomatic response does not preclude the presence of gastric malignancy. Consider additional follow-up and diagnostic testing. (
5.1 Presence of Gastric Malignancy
In adults, symptomatic response to therapy with esomeprazole magnesium does not preclude the presence of gastric malignancy. Consider additional follow-up and diagnostic testing in adult patients who have a suboptimal response or an early symptomatic relapse after completing treatment with a PPI. In older patients, also consider an endoscopy.
)

Acute Tubulointerstitial Nephritis
: Discontinue treatment and evaluate patients.
(
5.2 Acute Tubulointerstitial Nephritis
Acute tubulointerstitial nephritis (TIN) has been observed in patients taking PPIs and may occur at any point during PPI therapy. Patients may present with varying signs and symptoms from symptomatic hypersensitivity reactions to non-specific symptoms of decreased renal function (e.g., malaise, nausea, anorexia). In reported case series, some patients were diagnosed on biopsy and in the absence of extra-renal manifestations (e.g., fever, rash or arthralgia). Discontinue esomeprazole magnesium and evaluate patients with suspected acute TIN
[see
Contraindications
]
.
Patients should use the lowest dose and shortest duration of PPI therapy appropriate to the condition being treated.

Clostridium difficile
-associated diarrhea (CDAD) has been reported with use of nearly all antibacterial agents. For more information specific to antibacterial agents (clarithromycin and amoxicillin) indicated for use in combination with esomeprazole magnesium, refer to Warnings and Precautions section of the corresponding prescribing information.
)
Bone Fracture:
Long-term and multiple daily dose PPI therapy may be associated with an increased risk for osteoporosis-related fractures of the hip, wrist or spine.
5.4 Bone Fracture
Several published observational studies suggest that proton pump inhibitor (PPI) therapy may be associated with an increased risk for osteoporosis-related fractures of the hip, wrist, or spine. The risk of fracture was increased in patients who received high-dose, defined as multiple daily doses, and long-term PPI therapy (a year or longer). Patients should use the lowest dose and shortest duration of PPI therapy appropriate to the condition being treated. Patients at risk for osteoporosis-related fractures should be managed according to established treatment guidelines
[see
Dosage and Administration
and
Adverse Reactions
]
.
)
Severe Cutaneous Adverse Reactions:
Discontinue at the first signs or symptoms of severe cutaneous adverse reactions or other signs of hypersensitivity and consider further evaluation.
(
5.5 Severe Cutaneous Adverse Reactions
Severe cutaneous adverse reactions, including Stevens-Johnson syndrome (SJS) and toxic epidermal necrolysis (TEN), drug reaction with eosinophilia and systemic symptoms (DRESS), and acute generalized exanthematous pustulosis (AGEP) have been reported in association with the use of PPIs
[see Adverse Reactions ].
Discontinue esomeprazole magnesium at the first signs or symptoms of severe cutaneous adverse reactions or other signs of hypersensitivity and consider further evaluation.
)
Cutaneous and Systemic Lupus Erythematosus
: Mostly cutaneous; new onset or exacerbation of existing disease; discontinue esomeprazole magnesium and refer to specialist for evaluation. (
5.6 Cutaneous and Systemic Lupus Erythematosus
Cutaneous lupus erythematosus (CLE) and systemic lupus erythematosus (SLE) have been reported in patients taking PPIs, including esomeprazole. These events have occurred as both new onset and an exacerbation of existing autoimmune disease. The majority of PPI-induced lupus erythematosus cases were CLE.
The most common form of CLE reported in patients treated with PPIs was subacute CLE (SCLE) and occurred within weeks to years after continuous drug therapy in patients ranging from infants to the elderly. Generally, histological findings were observed without organ involvement.
Systemic lupus erythematosus (SLE) is less commonly reported than CLE in patients receiving PPIs. PPI associated SLE is usually milder than non-drug induced SLE. Onset of SLE typically occurred within days to years after initiating treatment primarily in patients ranging from young adults to the elderly. The majority of patients presented with rash; however, arthralgia and cytopenia were also reported.
Avoid administration of PPIs for longer than medically indicated. If signs or symptoms consistent with CLE or SLE are noted in patients receiving esomeprazole magnesium, discontinue the drug and refer the patient to the appropriate specialist for evaluation. Most patients improve with discontinuation of the PPI alone in 4 to 12 weeks. Serological testing (e.g., ANA) may be positive and elevated serological test results may take longer to resolve than clinical manifestations.
)
Interaction with Clopidogrel
: Avoid concomitant use of esomeprazole magnesium.
(
5.7 Interaction with Clopidogrel
Avoid concomitant use of esomeprazole magnesium with clopidogrel. Clopidogrel is a prodrug. Inhibition of platelet aggregation by clopidogrel is entirely due to an active metabolite. The metabolism of clopidogrel to its active metabolite can be impaired by use with concomitant medications, such as esomeprazole, that inhibit CYP2C19 activity. Concomitant use of clopidogrel with 40 mg esomeprazole reduces the pharmacological activity of clopidogrel. When using esomeprazole magnesium consider alternative anti-platelet therapy
[see
Drug Interactions
]
.
)

Cyanocobalamin (Vitamin B-12) Deficiency
: Daily long-term use (e.g., longer than 3 years) may lead to malabsorption or a deficiency of cyanocobalamin.
(
5.8 Cyanocobalamin (Vitamin B-12) Deficiency
Daily treatment with any acid-suppressing medications over a long period of time (e.g., longer than 3 years) may lead to malabsorption of cyanocobalamin (vitamin B-12) caused by hypo-or achlorhydria. Rare reports of cyanocobalamin deficiency occurring with acid-suppressing therapy have been reported in the literature. This diagnosis should be considered if clinical symptoms consistent with cyanocobalamin deficiency are observed.
)
Hypomagnesemia and Mineral Metabolism:
Reported rarely with prolonged treatment with PPIs.
(
5.9 Hypomagnesemia and Mineral Metabolism
Hypomagnesemia, symptomatic and asymptomatic, has been reported rarely in patients treated with PPIs for at least three months, in most cases after a year of therapy. Serious adverse events include tetany, arrhythmias, and seizures. Hypomagnesemia may lead to hypocalcemia and/or hypokalemia and may exacerbate underlying hypocalcemia in at-risk patients. In most patients, treatment of hypomagnesemia required magnesium replacement and discontinuation of the PPI.
For patients expected to be on prolonged treatment or who take PPIs with medications such as digoxin or drugs that may cause hypomagnesemia (e.g., diuretics), health care professionals may consider monitoring magnesium levels prior to initiation of PPI treatment and periodically
[see Adverse Reactions ].
Consider monitoring magnesium and calcium levels prior to initiation of esomeprazole magnesium and periodically while on treatment in patients with a preexisting risk of hypocalcemia (e.g., hypoparathyroidism). Supplement with magnesium and/or calcium, as necessary. If hypocalcemia is refractory to treatment, consider discontinuing the PPI.
)

Interaction with St. John’s

Wort

or Rifampin

: Avoid concomitant use of esomeprazole magnesium. (

5.10 Interaction with St. John’s Wort or Rifampin

Drugs which induce CYP2C19 or CYP3A4 (such as St. John’s Wort or rifampin) can substantially decrease esomeprazole concentrations

[see

Drug Interactions

]

. Avoid concomitant use of esomeprazole magnesium with St. John’s Wort or rifampin.

7 DRUG INTERACTIONS

Tables 3 and 4 include drugs with clinically important drug interactions and interaction with diagnostics when administered concomitantly with esomeprazole and instructions for preventing or managing them.

Consult the labeling of concomitantly used drugs to obtain further information about interactions with PPIs.

Table 3: Clinically Relevant Interactions Affecting Drugs Co-Administered with Esomeprazole and Interaction with Diagnostics

Antiretrovirals
Clinical Impact:	The effect of PPIs on antiretroviral drugs is variable. The clinical importance and the mechanisms behind these interactions are not always known. Decreased exposure of some antiretroviral drugs (e.g., rilpivirine atazanavir, and nelfinavir) when used concomitantly with esomeprazole may reduce antiviral effect and promote the development of drug resistance [see Clinical Pharmacology ]. Increased exposure of other antiretroviral drugs (e.g., saquinavir) when used concomitantly with esomeprazole may increase toxicity [see Clinical Pharmacology ]. There are other antiretroviral drugs which do not result in clinically relevant interactions with esomeprazole.
Intervention:	Rilpivirine-containing products: Concomitant use with esomeprazole magnesium is contraindicated [see Contraindications ] . Atazanavir : See prescribing information for atazanavir for dosing information. Nelfinavir : Avoid concomitant use with esomeprazole magnesium. See prescribing information for nelfinavir. Saquinavir: See the prescribing information for saquinavir for monitoring of potential saquinavir-related toxicities. Other antiretrovirals: See prescribing information for specific antiretroviral drugs
Warfarin
Clinical Impact:	Increased INR and prothrombin time in patients receiving PPIs, including esomeprazole, and warfarin concomitantly. Increases in INR and prothrombin time may lead to abnormal bleeding and even death.
Intervention:	Monitor INR and prothrombin time and adjust the dose of warfarin, if needed, to maintain the target INR range.
Methotrexate
Clinical Impact:	Concomitant use of esomeprazole with methotrexate (primarily at high dose) may elevate and prolong serum concentrations of methotrexate and/or its metabolite hydroxymethotrexate, possibly leading to methotrexate toxicities. No formal drug interaction studies of high-dose methotrexate with PPIs have been conducted [see Warnings and Precautions ].
Intervention:	A temporary withdrawal of esomeprazole magnesium may be considered in some patients receiving high-dose methotrexate.
2C19 Substrates (e.g., clopidogrel, citalopram, cilostazol)
Clopidogrel
Clinical Impact:	Concomitant use of esomeprazole 40 mg resulted in reduced plasma concentrations of the active metabolite of clopidogrel and a reduction in platelet inhibition [see Clinical Pharmacology ]. There are no adequate combination studies of a lower dose of esomeprazole or a higher dose of clopidogrel in comparison with the approved dose of clopidogrel .
Intervention:	Avoid concomitant use with esomeprazole magnesium Consider use of alternative anti-platelet therapy [see Warnings and Precautions ].
Citalopram
Clinical Impact:	Increased exposure of citalopram leading to an increased risk of QT prolongation [see Clinical Pharmacology ].
Intervention:	Limit the dose of citalopram to a maximum of 20 mg per day. See prescribing information for citalopram.
Cilostazol
Clinical Impact:	Increased exposure of cilostazol and one of its active metabolites (3,4-dihydro-cilostazol) [see Clinical Pharmacology ].
Intervention:	Consider reducing the dose of cilostazol to 50 mg twice daily. See prescribing information for cilostazol.
Digoxin
Clinical Impact:	Potential for increased exposure of digoxin [see Clinical Pharmacology ].
Intervention:	Monitor digoxin concentrations and adjust the dose, if needed, to maintain therapeutic drug concentrations. See prescribing information for digoxin.
Combination Therapy with Clarithromycin and Amoxicillin
Clinical Impact:	Concomitant administration of clarithromycin with other drugs can lead to serious adverse reactions, including potentially fatal arrhythmias, and are contraindicated. Amoxicillin also has drug interactions.
Intervention:	See Contraindications, Warnings and Precautions in prescribing information for clarithromycin. See Drug Interactions in prescribing information for amoxicillin.
Drugs Dependent on Gastric pH for Absorption (e.g., iron salts, erlotinib, dasatinib, nilotinib, mycophenolate mofetil, ketoconazole/itraconazole)
Clinical Impact:	Esomeprazole can reduce the absorption of other drugs due to its effect on reducing intragastric acidity
Intervention:	Mycophenolate mofetil (MMF): Co-administration of omeprazole, of which esomeprazole is an enantiomer, in healthy subjects and in transplant patients receiving MMF has been reported to reduce the exposure to the active metabolite, mycophenolic acid (MPA), possibly due to a decrease in MMF solubility at an increased gastric pH. The clinical relevance of reduced MPA exposure on organ rejection has not been established in transplant patients receiving esomeprazole magnesium and MMF. Use esomeprazole magnesium with caution in transplant patients receiving MMF [see Clinical Pharmacology ] . See the prescribing information for other drugs dependent on gastric pH for absorption.
Tacrolimus
Clinical Impact:	Potentially increased exposure of tacrolimus, especially in transplant patients who are intermediate or poor metabolizers of CYP2C19 .
Intervention:	Monitor tacrolimus whole blood concentrations and consider reducing the dose, if needed, to maintain therapeutic drug concentrations. See prescribing information for tacrolimus.
Interactions with Investigations of Neuroendocrine Tumors
Clinical Impact:	Serum chromogranin A (CgA) levels increase secondary to PPI-induced decreases in gastric acidity. The increased CgA level may cause false positive results in diagnostic investigations for neuroendocrine tumors [see Warnings and Precautions , Clinical Pharmacology ].
Intervention:	Discontinue esomeprazole magnesium at least 14 days before assessing CgA levels and consider repeating the test if initial CgA levels are high. If serial tests are performed (e.g. for monitoring), the same commercial laboratory should be used for testing, as reference ranges between tests may vary.
Interaction with Secretin Stimulation Test
Clinical Impact:	Hyper-response in gastrin secretion in response to secretin stimulation test, falsely suggesting gastrinoma.
Intervention:	Discontinue esomeprazole magnesium 4 weeks prior to testing [see Clinical Pharmacology ]
False Positive Urine Tests for THC
Clinical Impact:	There have been reports of false positive urine screening test for tetrahydrocannabinol (THC) in patients receiving PPIs.
Intervention:	An alternative confirmatory method should be considered to verify positive results.

Table 4: Clinically Relevant Interactions Affecting Esomeprazole When Co-Administered with Other Drugs

CYP2C19 or CYP3A4 Inducers
Clinical Impact:	Decreased exposure of esomeprazole when used concomitantly with strong inducers [see Clinical Pharmacology ].
Intervention:	St. John’s Wort, rifampin: Avoid concomitant use with [see Warnings and Precautions ]. Ritonavir-containing products: see prescribing information for specific drugs
Voriconazole
Clinical Impact:	Increased exposure of esomeprazole [see Clinical Pharmacology ].
Intervention:	Dose adjustment of esomeprazole magnesium is not normally required. However, in patients with Zollinger-Ellison syndrome, who may require higher doses, dosage adjustment may be considered. See prescribing information for voriconazole.

See full prescribing information for a list of clinically important drug interactions. (

)

Interactions with Diagnostic Investigations for Neuroendocrine Tumors

: Increased chromogranin A (CgA) levels may interfere with diagnostic investigations for neuroendocrine tumors, temporarily stop esomeprazole magnesium at least 14 days before assessing CgA levels. (

5.11 Interactions with Diagnostic Investigations for Neuroendocrine Tumors

Serum chromogranin A (CgA) levels increase secondary to drug-induced decreases in gastric acidity. The increased CgA level may cause false positive results in diagnostic investigations for neuroendocrine tumors. Healthcare providers should temporarily stop esomeprazole treatment at least 14 days before assessing CgA levels and consider repeating the test if initial CgA levels are high. If serial tests are performed (e.g., for monitoring), the same commercial laboratory should be used for testing, as reference ranges between tests may vary

[see

Clinical Pharmacology

]

12.2 Pharmacodynamics

Antisecretory Activity

Adults

The effect of esomeprazole on intragastric pH was determined in adult patients with symptomatic GERD in two separate studies. In the first study of 36 patients, esomeprazole magnesium 40 mg and 20 mg delayed-release capsules were administered once daily over 5 days as shown in Table 5:

Table 5: Effect of Esomeprazole on Intragastric pH on Day 5 (N=36) Following Once Daily Dosing of Esomeprazole Magnesium Delayed-Release Capsules in Adult Patients with Symptomatic GERD

Parameter	Esomeprazole Magnesium Delayed-Release Capsules
	40 mg once daily	20 mg once daily
% Time Gastric pH >4 ¹ (Hours)	70%2 (16.8 h)	53% (12.7 h)
Coefficient of variation	26%	37%
Median 24 Hour pH	4.9²	4.1
Coefficient of variation 16% 27%	16%	27%

Gastric pH was measured over a 24-hour period
p< 0.01 esomeprazole magnesium 40 mg vs. esomeprazole magnesium 20 mg

In a second study, the effect on intragastric pH of esomeprazole magnesium 40 mg delayed-release capsules administered once daily over a five-day period was similar to the first study, (% time with pH > 4 was 68% or 16.3 hours).

Serum Gastrin Effects

The effect of esomeprazole on serum gastrin concentrations was evaluated in approximately 2,700 patients in clinical trials of oral esomeprazole for up to 8 weeks and in over 1,300 patients for up to 12 months. The mean fasting gastrin level increased in a dose-related manner. The increase in serum gastrin concentrations reached a plateau within two to three months of therapy and returned to baseline levels within four weeks after discontinuation of therapy.

Increased gastrin causes enterochromaffin-like cell hyperplasia and increased serum Chromogranin A (CgA) levels. The increased CgA levels may cause false positive results in diagnostic investigations for neuroendocrine tumors

[

see Warnings and Precautions

]

Enterochromaffin-like (ECL) Cell Effects

Human gastric biopsy specimens have been obtained from more than 3,000 patients (both pediatrics and adults) treated with omeprazole in long-term clinical trials. The incidence of ECL cell hyperplasia in these studies increased with time; however, no case of ECL cell carcinoids, dysplasia, or neoplasia has been found in these patients

[

see Nonclinical Toxicology

]

In over 1,000 patients treated with oral esomeprazole (10 mg, 20 mg or 40 mg/day) for up to 12 months, the prevalence of ECL cell hyperplasia increased with time and dose. No patient developed ECL cell carcinoids, dysplasia, or neoplasia in the gastric mucosa.

Endocrine Effects

Esomeprazole had no effect on thyroid function in adults when given esomeprazole magnesium 20 mg or 40 mg delayed-release capsules once daily for 4 weeks. Other effects of esomeprazole on the endocrine system were assessed in studies of omeprazole. Oral doses of omeprazole 30 mg or 40 mg once daily for 2 to 4 weeks had no effect on carbohydrate metabolism, circulating levels of parathyroid hormone, cortisol, estradiol, testosterone, prolactin, cholecystokinin, or secretin.

)

Interaction with

Methotrexate: Concomitant use with PPIs may elevate and/or prolong serum concentrations of methotrexate and/or its metabolite, possibly leading to toxicity. With high dose methotrexate administration, consider temporary withdrawal of esomeprazole magnesium. (

5.12 Interaction with Methotrexate

Literature suggests that concomitant use of PPIs with methotrexate (primarily at high dose; see methotrexate prescribing information) may elevate and prolong serum levels of methotrexate and/or its metabolite, possibly leading to methotrexate toxicities. In high-dose methotrexate administration a temporary withdrawal of the PPI may be considered in some patients

[see

Drug Interactions

]

7 DRUG INTERACTIONS

Consult the labeling of concomitantly used drugs to obtain further information about interactions with PPIs.

Table 3: Clinically Relevant Interactions Affecting Drugs Co-Administered with Esomeprazole and Interaction with Diagnostics

Antiretrovirals
Clinical Impact:	The effect of PPIs on antiretroviral drugs is variable. The clinical importance and the mechanisms behind these interactions are not always known. Decreased exposure of some antiretroviral drugs (e.g., rilpivirine atazanavir, and nelfinavir) when used concomitantly with esomeprazole may reduce antiviral effect and promote the development of drug resistance [see Clinical Pharmacology ]. Increased exposure of other antiretroviral drugs (e.g., saquinavir) when used concomitantly with esomeprazole may increase toxicity [see Clinical Pharmacology ]. There are other antiretroviral drugs which do not result in clinically relevant interactions with esomeprazole.
Intervention:	Rilpivirine-containing products: Concomitant use with esomeprazole magnesium is contraindicated [see Contraindications ] . Atazanavir : See prescribing information for atazanavir for dosing information. Nelfinavir : Avoid concomitant use with esomeprazole magnesium. See prescribing information for nelfinavir. Saquinavir: See the prescribing information for saquinavir for monitoring of potential saquinavir-related toxicities. Other antiretrovirals: See prescribing information for specific antiretroviral drugs
Warfarin
Clinical Impact:	Increased INR and prothrombin time in patients receiving PPIs, including esomeprazole, and warfarin concomitantly. Increases in INR and prothrombin time may lead to abnormal bleeding and even death.
Intervention:	Monitor INR and prothrombin time and adjust the dose of warfarin, if needed, to maintain the target INR range.
Methotrexate
Clinical Impact:	Concomitant use of esomeprazole with methotrexate (primarily at high dose) may elevate and prolong serum concentrations of methotrexate and/or its metabolite hydroxymethotrexate, possibly leading to methotrexate toxicities. No formal drug interaction studies of high-dose methotrexate with PPIs have been conducted [see Warnings and Precautions ].
Intervention:	A temporary withdrawal of esomeprazole magnesium may be considered in some patients receiving high-dose methotrexate.
2C19 Substrates (e.g., clopidogrel, citalopram, cilostazol)
Clopidogrel
Clinical Impact:	Concomitant use of esomeprazole 40 mg resulted in reduced plasma concentrations of the active metabolite of clopidogrel and a reduction in platelet inhibition [see Clinical Pharmacology ]. There are no adequate combination studies of a lower dose of esomeprazole or a higher dose of clopidogrel in comparison with the approved dose of clopidogrel .
Intervention:	Avoid concomitant use with esomeprazole magnesium Consider use of alternative anti-platelet therapy [see Warnings and Precautions ].
Citalopram
Clinical Impact:	Increased exposure of citalopram leading to an increased risk of QT prolongation [see Clinical Pharmacology ].
Intervention:	Limit the dose of citalopram to a maximum of 20 mg per day. See prescribing information for citalopram.
Cilostazol
Clinical Impact:	Increased exposure of cilostazol and one of its active metabolites (3,4-dihydro-cilostazol) [see Clinical Pharmacology ].
Intervention:	Consider reducing the dose of cilostazol to 50 mg twice daily. See prescribing information for cilostazol.
Digoxin
Clinical Impact:	Potential for increased exposure of digoxin [see Clinical Pharmacology ].
Intervention:	Monitor digoxin concentrations and adjust the dose, if needed, to maintain therapeutic drug concentrations. See prescribing information for digoxin.
Combination Therapy with Clarithromycin and Amoxicillin
Clinical Impact:	Concomitant administration of clarithromycin with other drugs can lead to serious adverse reactions, including potentially fatal arrhythmias, and are contraindicated. Amoxicillin also has drug interactions.
Intervention:	See Contraindications, Warnings and Precautions in prescribing information for clarithromycin. See Drug Interactions in prescribing information for amoxicillin.
Drugs Dependent on Gastric pH for Absorption (e.g., iron salts, erlotinib, dasatinib, nilotinib, mycophenolate mofetil, ketoconazole/itraconazole)
Clinical Impact:	Esomeprazole can reduce the absorption of other drugs due to its effect on reducing intragastric acidity
Intervention:	Mycophenolate mofetil (MMF): Co-administration of omeprazole, of which esomeprazole is an enantiomer, in healthy subjects and in transplant patients receiving MMF has been reported to reduce the exposure to the active metabolite, mycophenolic acid (MPA), possibly due to a decrease in MMF solubility at an increased gastric pH. The clinical relevance of reduced MPA exposure on organ rejection has not been established in transplant patients receiving esomeprazole magnesium and MMF. Use esomeprazole magnesium with caution in transplant patients receiving MMF [see Clinical Pharmacology ] . See the prescribing information for other drugs dependent on gastric pH for absorption.
Tacrolimus
Clinical Impact:	Potentially increased exposure of tacrolimus, especially in transplant patients who are intermediate or poor metabolizers of CYP2C19 .
Intervention:	Monitor tacrolimus whole blood concentrations and consider reducing the dose, if needed, to maintain therapeutic drug concentrations. See prescribing information for tacrolimus.
Interactions with Investigations of Neuroendocrine Tumors
Clinical Impact:	Serum chromogranin A (CgA) levels increase secondary to PPI-induced decreases in gastric acidity. The increased CgA level may cause false positive results in diagnostic investigations for neuroendocrine tumors [see Warnings and Precautions , Clinical Pharmacology ].
Intervention:	Discontinue esomeprazole magnesium at least 14 days before assessing CgA levels and consider repeating the test if initial CgA levels are high. If serial tests are performed (e.g. for monitoring), the same commercial laboratory should be used for testing, as reference ranges between tests may vary.
Interaction with Secretin Stimulation Test
Clinical Impact:	Hyper-response in gastrin secretion in response to secretin stimulation test, falsely suggesting gastrinoma.
Intervention:	Discontinue esomeprazole magnesium 4 weeks prior to testing [see Clinical Pharmacology ]
False Positive Urine Tests for THC
Clinical Impact:	There have been reports of false positive urine screening test for tetrahydrocannabinol (THC) in patients receiving PPIs.
Intervention:	An alternative confirmatory method should be considered to verify positive results.

Table 4: Clinically Relevant Interactions Affecting Esomeprazole When Co-Administered with Other Drugs

CYP2C19 or CYP3A4 Inducers
Clinical Impact:	Decreased exposure of esomeprazole when used concomitantly with strong inducers [see Clinical Pharmacology ].
Intervention:	St. John’s Wort, rifampin: Avoid concomitant use with [see Warnings and Precautions ]. Ritonavir-containing products: see prescribing information for specific drugs
Voriconazole
Clinical Impact:	Increased exposure of esomeprazole [see Clinical Pharmacology ].
Intervention:	Dose adjustment of esomeprazole magnesium is not normally required. However, in patients with Zollinger-Ellison syndrome, who may require higher doses, dosage adjustment may be considered. See prescribing information for voriconazole.

See full prescribing information for a list of clinically important drug interactions. (

)

Fundic Gland
Polyps: Risk increases with long-term use, especially beyond one year. Use the shortest duration of therapy.
(
5.13 Fundic Gland Polyps
PPI use is associated with an increased risk of fundic gland polyps that increases with long-term use, especially beyond one year. Most PPI users who developed fundic gland polyps were asymptomatic and fundic gland polyps were identified incidentally on endoscopy. Use the shortest duration of PPI therapy appropriate to the condition being treated.
)

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