Dosage & Administration
For sublingual use only.
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Odactra Prescribing Information
- ODACTRA can cause life-threatening allergic reactions such as anaphylaxis and severe laryngopharyngeal restriction. ( 5.1)
- Do not administer ODACTRA to patients with severe, unstable or uncontrolled asthma. ( 4)
- Observe patients in the office for at least 30 minutes following the initial dose. ( 5.1)
- Prescribe epinephrine, instruct and train patients or parents/guardians on its appropriate use, and instruct patients or parents/guardians to seek immediate medical care upon its use. ( 5.1)
- ODACTRA may not be suitable for patients with certain underlying medical conditions that may reduce their ability to survive a serious allergic reaction. ( 5.1)
- ODACTRA may not be suitable for patients who may be unresponsive to epinephrine or inhaled bronchodilators, such as those taking beta-blockers. ( 5.1)
ODACTRA™ is an allergen extract indicated as immunotherapy for the treatment of house dust mite (HDM)-induced allergic rhinitis, with or without conjunctivitis, confirmed by positive in vitro testing for IgE antibodies to Dermatophagoides farinae or Dermatophagoides pteronyssinus house dust mites, or by positive skin testing to licensed house dust mite allergen extracts. ODACTRA is approved for use in individuals 5 through 65 years of age.
ODACTRA is not indicated for the immediate relief of allergic symptoms.
For sublingual use only.
2.1 Dose
One ODACTRA tablet daily.
2.2 Administration
Administer the first dose of ODACTRA in a healthcare setting under the supervision of a healthcare professional with experience in the diagnosis and treatment of allergic diseases. After receiving the first dose of ODACTRA, observe the patient for at least 30 minutes to monitor for signs or symptoms of a severe systemic or a severe local allergic reaction. If the patient tolerates the first dose, the patient may take subsequent doses at home. The patient should administer ODACTRA as follows:
- Take the tablet from the blister unit after carefully removing the foil with dry hands.
- Place the tablet immediately under the tongue where it will dissolve within 10 seconds. Do not swallow for at least 1 minute.
- Wash hands after handling the tablet.
- Do not take the tablet with food or beverage. Food or beverage should not be taken for 5 minutes after taking the tablet.
Data regarding the safety of restarting treatment after missing a dose of ODACTRA are limited. In the clinical studies, treatment interruptions for up to seven days were allowed. Prescribe epinephrine to patients prescribed ODACTRA and instruct patients (or their parents/guardians) in the proper use of epinephrine [see Warnings and Precautions ( 5.1)].
ODACTRA is available as 12 SQ-HDM* tablets that are white to off-white, circular with a debossed pentagon detail on one side.
*SQ-HDM is the dose unit for ODACTRA. SQ is a method of standardization of biological potency, major allergen content and complexity of the allergen extract. HDM is an abbreviation for house dust mite.
8.1 Pregnancy
Risk Summary
All pregnancies have a 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. Available data on ODACTRA administered to pregnant women are insufficient to inform associated risks in pregnancy.
In an embryo/fetal developmental toxicity study performed in mice, administration of ODACTRA during gestation did not reveal adverse developmental outcomes in fetuses [see Data ( 8.1)].
Data
Animal Data
In a developmental toxicity study, the effect of ODACTRA on embryo/fetal development was evaluated in mice. Animals were administered ODACTRA subcutaneously daily from day 6 to day 17 of the gestation period at doses up to 5 times the human sublingual dose. There were no ODACTRA-related post-implantation losses, fetal malformations or variations.
8.2 Lactation
Risk Summary
It is not known whether ODACTRA is excreted in human milk. Data are not available to assess the effects of ODACTRA on the breastfed child or on milk production and excretion in the nursing woman. The developmental and health benefits of breastfeeding should be considered along with the mother’s clinical need for ODACTRA and any potential adverse effects on the breastfed child from ODACTRA or from the underlying maternal condition.
8.4 Pediatric Use
The safety and effectiveness of ODACTRA have been established in individuals 5 through 17 years of age with HDM-induced allergic rhinitis, with or without conjunctivitis. [see Adverse Reactions ( 6.1) and Clinical Studies ( 14)].
The safety and effectiveness have not been established in individuals below 5 years of age.
8.5 Geriatric Use
Safety and effectiveness have not been established in individuals older than 65 years of age.
ODACTRA is contraindicated in patients with:
- Severe, unstable or uncontrolled asthma
- A history of any severe systemic allergic reaction
- A history of any severe local reaction after taking any sublingual allergen immunotherapy
- A history of eosinophilic esophagitis
- Hypersensitivity to any of the inactive ingredients contained in this product [see Description ( 11)]