Exparel
(Bupivacaine)Dosage & Administration
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Exparel Prescribing Information
Indications and Usage (1 INDICATIONS AND USAGEEXPAREL is indicated to produce postsurgical:
EXPAREL contains bupivacaine, an amide local anesthetic, and is indicated to produce postsurgical:
Limitations of Use The safety and effectiveness of EXPAREL have not been established to produce postsurgical regional analgesia via other nerve blocks besides an interscalene brachial plexus nerve block, a sciatic nerve block in the popliteal fossa, or an adductor canal block. Limitations of Use The safety and effectiveness of EXPAREL have not been established to produce postsurgical regional analgesia via other nerve blocks besides an interscalene brachial plexus nerve block, a sciatic nerve block in the popliteal fossa, or an adductor canal block. | 11/ 2023 |
Dosage and Administration (2.2 Recommended Dose for Local Analgesia via InfiltrationLocal Analgesia via Infiltration in Adults The recommended dose of EXPAREL for local infiltration in adults is up to a maximum dose of 266 mg, and is based on the following factors:
As general guidance in selecting the proper EXPAREL dose for local infiltration in adults, two examples are provided [see Clinical Studies (14.2)]. In adult patients undergoing:
Local Analgesia via Infiltration in Pediatric Patients The recommended dose of EXPAREL for one-time infiltration in pediatric patients, aged 6 to less than 17 years, is 4 mg/kg (up to a maximum of 266 mg), and is based upon two studies of pediatric patients undergoing either spine surgery or cardiac surgery [see Use in Specific Populations (8.4)] . | 11/2023 |
- Local analgesia via infiltration in patients aged 6 years and older
- Regional analgesia via an interscalene brachial plexus nerve block in adults
- Regional analgesia via a sciatic nerve block in the popliteal fossa in adults
- Regional analgesia via an adductor canal block in adults
- EXPAREL is for single administration only ().
2.1 Important Dose, Preparation, and Administration Instructions- EXPAREL is for single administration only.
- EXPAREL isnotsubstitutable with other bupivacaine products even if the strength is the same. Therefore, it is not possible to convert a dose from other bupivacaine products to an EXPAREL dose and vice versa.
- Donotdilute EXPAREL with water or other hypotonic agents, as it will result in disruption of the liposomal particles.
- Donotadminister EXPAREL if it is suspected that the vial has been frozen or exposed to high temperature (greater than 40°C or 104°F) for an extended period.
- Inspect EXPAREL visually for particulate matter and discoloration prior to administration, whenever solution and container permit. Donotadminister EXPAREL if the product is discolored.
- Donotheat or autoclave before use.
- Donotfilter during administration.
- EXPAREL is notsubstitutable with other bupivacaine products even if the strength is the same. Therefore, it is not possible to convert a dose from other bupivacaine products to an EXPAREL dose and vice versa (,
2.1 Important Dose, Preparation, and Administration Instructions- EXPAREL is for single administration only.
- EXPAREL isnotsubstitutable with other bupivacaine products even if the strength is the same. Therefore, it is not possible to convert a dose from other bupivacaine products to an EXPAREL dose and vice versa.
- Donotdilute EXPAREL with water or other hypotonic agents, as it will result in disruption of the liposomal particles.
- Donotadminister EXPAREL if it is suspected that the vial has been frozen or exposed to high temperature (greater than 40°C or 104°F) for an extended period.
- Inspect EXPAREL visually for particulate matter and discoloration prior to administration, whenever solution and container permit. Donotadminister EXPAREL if the product is discolored.
- Donotheat or autoclave before use.
- Donotfilter during administration.
).2.5 Compatibility ConsiderationsSome physicochemical incompatibilities exist between EXPAREL and certain other drugs. Direct contact of EXPAREL with these drugs results in a rapid increase in free (unencapsulated) bupivacaine, altering EXPAREL characteristics and potentially affecting the safety and efficacy of EXPAREL. Therefore, admixing EXPAREL with other drugs prior to administration is
notrecommended[see Drug Interactions (7)].- Non-bupivacaine based local anesthetics, including lidocaine, may cause an immediate release of bupivacaine from EXPAREL if administered together locally. The administration of EXPAREL may follow the administration of lidocaine after a delay of 20 minutes or more.
- Bupivacaine HCl administered together with EXPAREL may impact the pharmacokinetic and/or physicochemical properties of EXPAREL, and this effect is concentration dependent. Therefore, bupivacaine HCl and EXPAREL may be administered simultaneously in the same syringe, and bupivacaine HCl may be injected immediately before EXPAREL if the ratio of the milligram dose of bupivacaine HCl solution to EXPAREL does not exceed 1:2.
The toxic effects of these drugs are additive, and their administration should be used with caution including monitoring for neurologic and cardiovascular effects related to local anesthetic systemic toxicity[see Warnings and Precautions (5.1)and Overdosage (10)]. - When a topical antiseptic such as povidone iodine (e.g., Betadine) is applied, the site should be allowed to dry before EXPAREL is administered into the site. EXPAREL should not be allowed to come into contact with antiseptics such as povidone iodine in solution.
Studies conducted with EXPAREL demonstrated that the most common implantable materials (polypropylene, PTFE, silicone, stainless steel, and titanium) are not affected by the presence of EXPAREL any more than they are by saline. None of the materials studied had an adverse effect on EXPAREL.
- Do notdilute EXPAREL with water or other hypotonic solutions ().
2.1 Important Dose, Preparation, and Administration Instructions- EXPAREL is for single administration only.
- EXPAREL isnotsubstitutable with other bupivacaine products even if the strength is the same. Therefore, it is not possible to convert a dose from other bupivacaine products to an EXPAREL dose and vice versa.
- Donotdilute EXPAREL with water or other hypotonic agents, as it will result in disruption of the liposomal particles.
- Donotadminister EXPAREL if it is suspected that the vial has been frozen or exposed to high temperature (greater than 40°C or 104°F) for an extended period.
- Inspect EXPAREL visually for particulate matter and discoloration prior to administration, whenever solution and container permit. Donotadminister EXPAREL if the product is discolored.
- Donotheat or autoclave before use.
- Donotfilter during administration.
- The recommended dose of EXPAREL for:
- Local infiltration in adults is up to a maximum dose of 266 mg. See Full Prescribing Information for guidance on dose selection ().
2.2 Recommended Dose for Local Analgesia via InfiltrationLocal Analgesia via Infiltration in AdultsThe recommended dose of EXPAREL for local infiltration in adults is up to a maximum dose of 266 mg, and is based on the following factors:
- Size of the surgical site
- Volume required to cover the area
- Individual patient factors that may impact the safety of an amide local anesthetic
As general guidance in selecting the proper EXPAREL dose for local infiltration in adults, two examples are provided
[see Clinical Studies (14.2)].In adult patients undergoing:- Bunionectomy, a total of 106 mg (8 mL) of EXPAREL was administered, with 7 mL infiltrated into the tissues surrounding the osteotomy, and 1 mL infiltrated into the subcutaneous tissue.
- Hemorrhoidectomy, a total of 266 mg (20 mL) of EXPAREL was diluted with 10 mL of saline, for a total of 30 mL, divided into six 5 mL aliquots, injected by visualizing the anal sphincter as a clock face and slowly infiltrating one aliquot to each of the even numbers to produce a field block.
Local Analgesia via Infiltration in Pediatric PatientsThe recommended dose of EXPAREL for one-time infiltration in pediatric patients, aged 6 to less than 17 years, is 4 mg/kg (up to a maximum of 266 mg), and is based upon two studies of pediatric patients undergoing either spine surgery or cardiac surgery
[see Use in Specific Populations (8.4)]. - Local infiltration in pediatric patients aged 6 to less than 17 years is 4 mg/kg, up to a maximum of 266 mg ().
2.2 Recommended Dose for Local Analgesia via InfiltrationLocal Analgesia via Infiltration in AdultsThe recommended dose of EXPAREL for local infiltration in adults is up to a maximum dose of 266 mg, and is based on the following factors:
- Size of the surgical site
- Volume required to cover the area
- Individual patient factors that may impact the safety of an amide local anesthetic
As general guidance in selecting the proper EXPAREL dose for local infiltration in adults, two examples are provided
[see Clinical Studies (14.2)].In adult patients undergoing:- Bunionectomy, a total of 106 mg (8 mL) of EXPAREL was administered, with 7 mL infiltrated into the tissues surrounding the osteotomy, and 1 mL infiltrated into the subcutaneous tissue.
- Hemorrhoidectomy, a total of 266 mg (20 mL) of EXPAREL was diluted with 10 mL of saline, for a total of 30 mL, divided into six 5 mL aliquots, injected by visualizing the anal sphincter as a clock face and slowly infiltrating one aliquot to each of the even numbers to produce a field block.
Local Analgesia via Infiltration in Pediatric PatientsThe recommended dose of EXPAREL for one-time infiltration in pediatric patients, aged 6 to less than 17 years, is 4 mg/kg (up to a maximum of 266 mg), and is based upon two studies of pediatric patients undergoing either spine surgery or cardiac surgery
[see Use in Specific Populations (8.4)]. - Interscalene brachial plexus nerve block in adults is 133 mg ().
2.3 Recommended Dose for Regional AnalgesiaThe maximum recommended dose of EXPAREL via perineural use for interscalene brachial plexus nerve block, sciatic nerve block in the popliteal fossa, and adductor canal block is 133 mg. For all these nerve blocks, administer additional analgesics, which may include other immediate-release local anesthetics, as appropriate (for example, Mayo field block for bunionectomy, infiltration between the popliteal artery and capsule of the knee (IPACK) block for total knee arthroplasty).
Regional Analgesia via Interscalene Brachial Plexus Nerve Block in AdultsThe recommended dose of EXPAREL for interscalene brachial plexus nerve block in adults is 133 mg and is based upon one study of patients undergoing either total shoulder arthroplasty or rotator cuff repair
[see Clinical Studies (14.3)].Regional Analgesia via Sciatic Nerve Block in the Popliteal Fossa in AdultsThe recommended dose of EXPAREL for sciatic nerve block in the popliteal fossa in adults is 133 mg and is based upon one study of patients undergoing bunionectomy
[see Clinical Studies (14.3)].Regional Analgesia via Adductor Canal Block in AdultsThe recommended dose of EXPAREL for adductor canal block in adults is 133 mg (10 mL) admixed with 50 mg (10 mL) 0.5% bupivacaine HCl, for a total volume of 20 mL, and is based upon one study of patients undergoing total knee arthroplasty
[see Clinical Studies (14.3)]. - Sciatic nerve block in the popliteal fossa in adults is 133 mg ().
2.3 Recommended Dose for Regional AnalgesiaThe maximum recommended dose of EXPAREL via perineural use for interscalene brachial plexus nerve block, sciatic nerve block in the popliteal fossa, and adductor canal block is 133 mg. For all these nerve blocks, administer additional analgesics, which may include other immediate-release local anesthetics, as appropriate (for example, Mayo field block for bunionectomy, infiltration between the popliteal artery and capsule of the knee (IPACK) block for total knee arthroplasty).
Regional Analgesia via Interscalene Brachial Plexus Nerve Block in AdultsThe recommended dose of EXPAREL for interscalene brachial plexus nerve block in adults is 133 mg and is based upon one study of patients undergoing either total shoulder arthroplasty or rotator cuff repair
[see Clinical Studies (14.3)].Regional Analgesia via Sciatic Nerve Block in the Popliteal Fossa in AdultsThe recommended dose of EXPAREL for sciatic nerve block in the popliteal fossa in adults is 133 mg and is based upon one study of patients undergoing bunionectomy
[see Clinical Studies (14.3)].Regional Analgesia via Adductor Canal Block in AdultsThe recommended dose of EXPAREL for adductor canal block in adults is 133 mg (10 mL) admixed with 50 mg (10 mL) 0.5% bupivacaine HCl, for a total volume of 20 mL, and is based upon one study of patients undergoing total knee arthroplasty
[see Clinical Studies (14.3)]. - Adductor canal block in adults is 133 mg (10 mL) admixed with 50 mg (10 mL) 0.5% bupivacaine HCl, for a total volume of 20 mL ().
2.3 Recommended Dose for Regional AnalgesiaThe maximum recommended dose of EXPAREL via perineural use for interscalene brachial plexus nerve block, sciatic nerve block in the popliteal fossa, and adductor canal block is 133 mg. For all these nerve blocks, administer additional analgesics, which may include other immediate-release local anesthetics, as appropriate (for example, Mayo field block for bunionectomy, infiltration between the popliteal artery and capsule of the knee (IPACK) block for total knee arthroplasty).
Regional Analgesia via Interscalene Brachial Plexus Nerve Block in AdultsThe recommended dose of EXPAREL for interscalene brachial plexus nerve block in adults is 133 mg and is based upon one study of patients undergoing either total shoulder arthroplasty or rotator cuff repair
[see Clinical Studies (14.3)].Regional Analgesia via Sciatic Nerve Block in the Popliteal Fossa in AdultsThe recommended dose of EXPAREL for sciatic nerve block in the popliteal fossa in adults is 133 mg and is based upon one study of patients undergoing bunionectomy
[see Clinical Studies (14.3)].Regional Analgesia via Adductor Canal Block in AdultsThe recommended dose of EXPAREL for adductor canal block in adults is 133 mg (10 mL) admixed with 50 mg (10 mL) 0.5% bupivacaine HCl, for a total volume of 20 mL, and is based upon one study of patients undergoing total knee arthroplasty
[see Clinical Studies (14.3)].
- Local infiltration in adults is up to a maximum dose of 266 mg. See Full Prescribing Information for guidance on dose selection (
- For all these nerve blocks, administer additional analgesics, which may include other immediate-release local anesthetics, as appropriate ().
2.3 Recommended Dose for Regional AnalgesiaThe maximum recommended dose of EXPAREL via perineural use for interscalene brachial plexus nerve block, sciatic nerve block in the popliteal fossa, and adductor canal block is 133 mg. For all these nerve blocks, administer additional analgesics, which may include other immediate-release local anesthetics, as appropriate (for example, Mayo field block for bunionectomy, infiltration between the popliteal artery and capsule of the knee (IPACK) block for total knee arthroplasty).
Regional Analgesia via Interscalene Brachial Plexus Nerve Block in AdultsThe recommended dose of EXPAREL for interscalene brachial plexus nerve block in adults is 133 mg and is based upon one study of patients undergoing either total shoulder arthroplasty or rotator cuff repair
[see Clinical Studies (14.3)].Regional Analgesia via Sciatic Nerve Block in the Popliteal Fossa in AdultsThe recommended dose of EXPAREL for sciatic nerve block in the popliteal fossa in adults is 133 mg and is based upon one study of patients undergoing bunionectomy
[see Clinical Studies (14.3)].Regional Analgesia via Adductor Canal Block in AdultsThe recommended dose of EXPAREL for adductor canal block in adults is 133 mg (10 mL) admixed with 50 mg (10 mL) 0.5% bupivacaine HCl, for a total volume of 20 mL, and is based upon one study of patients undergoing total knee arthroplasty
[see Clinical Studies (14.3)]. - See Full Prescribing Information for important preparation and administration instructions and compatibility considerations (,
2.4 Preparation and Administration Instructions- Invert vials of EXPAREL multiple times to re-suspend the particles immediately prior to withdrawal from the vial.
- Administer EXPAREL (1) undiluted or (2) diluted to increase volume up to a final concentration of 0.89 mg/mL (i.e., 1:14 dilution by volume) with 0.9% preservative-free Sodium Chloride Injection or lactated Ringer's solution. Use diluted EXPAREL within 4 hours of preparation in a syringe.
- Administer EXPAREL with a 25 gauge or larger bore needle to maintain the structural integrity of the liposomal bupivacaine particles.
- Administer EXPAREL slowly via infiltration or perineural use with frequent aspiration to check for blood and minimize the risk of inadvertent intravascular injection.
- Discard unused portion.
).2.5 Compatibility ConsiderationsSome physicochemical incompatibilities exist between EXPAREL and certain other drugs. Direct contact of EXPAREL with these drugs results in a rapid increase in free (unencapsulated) bupivacaine, altering EXPAREL characteristics and potentially affecting the safety and efficacy of EXPAREL. Therefore, admixing EXPAREL with other drugs prior to administration is
notrecommended[see Drug Interactions (7)].- Non-bupivacaine based local anesthetics, including lidocaine, may cause an immediate release of bupivacaine from EXPAREL if administered together locally. The administration of EXPAREL may follow the administration of lidocaine after a delay of 20 minutes or more.
- Bupivacaine HCl administered together with EXPAREL may impact the pharmacokinetic and/or physicochemical properties of EXPAREL, and this effect is concentration dependent. Therefore, bupivacaine HCl and EXPAREL may be administered simultaneously in the same syringe, and bupivacaine HCl may be injected immediately before EXPAREL if the ratio of the milligram dose of bupivacaine HCl solution to EXPAREL does not exceed 1:2.
The toxic effects of these drugs are additive, and their administration should be used with caution including monitoring for neurologic and cardiovascular effects related to local anesthetic systemic toxicity[see Warnings and Precautions (5.1)and Overdosage (10)]. - When a topical antiseptic such as povidone iodine (e.g., Betadine) is applied, the site should be allowed to dry before EXPAREL is administered into the site. EXPAREL should not be allowed to come into contact with antiseptics such as povidone iodine in solution.
Studies conducted with EXPAREL demonstrated that the most common implantable materials (polypropylene, PTFE, silicone, stainless steel, and titanium) are not affected by the presence of EXPAREL any more than they are by saline. None of the materials studied had an adverse effect on EXPAREL.
EXPAREL (bupivacaine liposome injectable suspension) is a white to off-white, milky aqueous suspension that is available in the following vial sizes:
- 1.3% (266 mg/20 mL) (13.3 mg/mL) single-dose vial
- 1.3% (133 mg/10 mL) (13.3 mg/mL) single-dose vial
8.1 PregnancyThere are no studies conducted with EXPAREL in pregnant women. In animal reproduction studies, embryo-fetal deaths were observed with subcutaneous administration of bupivacaine to rabbits during organogenesis at a dose equivalent to 1.6 times the maximum recommended human dose (MRHD) of 266 mg. Subcutaneous administration of bupivacaine to rats from implantation through weaning produced decreased pup survival at a dose equivalent to 1.5 times the MRHD
The background risk of major birth defects and miscarriage for the indicated population is unknown. However, the background risk in the U.S. general population of major birth defects is 2-4% and of miscarriage is 15-20% of clinically recognized pregnancies.
Bupivacaine is contraindicated for obstetrical paracervical block anesthesia. While EXPAREL has not been studied with this technique, the use of bupivacaine for obstetrical paracervical block anesthesia has resulted in fetal bradycardia and death.
Bupivacaine can rapidly cross the placenta, and when used for epidural, caudal, or pudendal block anesthesia, can cause varying degrees of maternal, fetal, and neonatal toxicity
Bupivacaine hydrochloride was administered subcutaneously to rats and rabbits during the period of organogenesis (implantation to closure of the hard plate). Rat doses were 4.4, 13.3, and 40 mg/kg/day (equivalent to 0.2, 0.5 and 1.5 times the MRHD, respectively, based on the BSA comparisons and a 60 kg human weight) and rabbit doses were 1.3, 5.8, and 22.2 mg/kg/day (equivalent to 0.1, 0.4 and 1.6 times the MRHD, respectively, based on the BSA comparisons and a 60 kg human weight). No embryo-fetal effects were observed in rats at the doses tested with the high dose causing increased maternal lethality. An increase in embryo-fetal deaths was observed in rabbits at the high dose in the absence of maternal toxicity.
Decreased pup survival was noted at 1.5 times the MRHD in a rat pre- and post-natal development study when pregnant animals were administered subcutaneous doses of 4.4, 13.3, and 40 mg/kg/day bupivacaine hydrochloride (equivalent to 0.2, 0.5 and 1.5 times the MRHD, respectively, based on the BSA comparisons and a 60 kg human weight) from implantation through weaning (during pregnancy and lactation).
EXPAREL is contraindicated in obstetrical paracervical block anesthesia
8.1 PregnancyThere are no studies conducted with EXPAREL in pregnant women. In animal reproduction studies, embryo-fetal deaths were observed with subcutaneous administration of bupivacaine to rabbits during organogenesis at a dose equivalent to 1.6 times the maximum recommended human dose (MRHD) of 266 mg. Subcutaneous administration of bupivacaine to rats from implantation through weaning produced decreased pup survival at a dose equivalent to 1.5 times the MRHD
The background risk of major birth defects and miscarriage for the indicated population is unknown. However, the background risk in the U.S. general population of major birth defects is 2-4% and of miscarriage is 15-20% of clinically recognized pregnancies.
Bupivacaine is contraindicated for obstetrical paracervical block anesthesia. While EXPAREL has not been studied with this technique, the use of bupivacaine for obstetrical paracervical block anesthesia has resulted in fetal bradycardia and death.
Bupivacaine can rapidly cross the placenta, and when used for epidural, caudal, or pudendal block anesthesia, can cause varying degrees of maternal, fetal, and neonatal toxicity
Bupivacaine hydrochloride was administered subcutaneously to rats and rabbits during the period of organogenesis (implantation to closure of the hard plate). Rat doses were 4.4, 13.3, and 40 mg/kg/day (equivalent to 0.2, 0.5 and 1.5 times the MRHD, respectively, based on the BSA comparisons and a 60 kg human weight) and rabbit doses were 1.3, 5.8, and 22.2 mg/kg/day (equivalent to 0.1, 0.4 and 1.6 times the MRHD, respectively, based on the BSA comparisons and a 60 kg human weight). No embryo-fetal effects were observed in rats at the doses tested with the high dose causing increased maternal lethality. An increase in embryo-fetal deaths was observed in rabbits at the high dose in the absence of maternal toxicity.
Decreased pup survival was noted at 1.5 times the MRHD in a rat pre- and post-natal development study when pregnant animals were administered subcutaneous doses of 4.4, 13.3, and 40 mg/kg/day bupivacaine hydrochloride (equivalent to 0.2, 0.5 and 1.5 times the MRHD, respectively, based on the BSA comparisons and a 60 kg human weight) from implantation through weaning (during pregnancy and lactation).