Tralokinumab
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From MedlinePlus, U.S. National Library of Medicine
Interleukin-13 Antagonist
Dosing in kidney impairment
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Preparation and administration
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Important Administration Instructions ADBRY is administered by subcutaneous injection. ADBRY is intended for use under the guidance of a healthcare provider. Provide proper training to patients and/or caregivers on the preparation and administration of ADBRY prior to use according to the "Instructions for Use" [see Instructions for Use ] .
Use of the Autoinjector The ADBRY autoinjector is for use in adults only. A caregiver or adult patient may inject ADBRY using the autoinjector. Use of the Prefilled Syringe The ADBRY prefilled syringe is for use in adults and pediatric patients 12 years of age and older. A caregiver or patient 12 years of age and older may inject ADBRY using the prefilled syringe.
In pediatric patients 12 years of age and older, administer ADBRY under the supervision of an adult. Administration Instructions Administer subcutaneous injection into the thigh or abdomen, except for the 2 inches (5 cm) around the navel. The upper arm can also be used if a caregiver administers the injection. DO NOT inject ADBRY into skin that is tender, damaged, bruised, or scarred.
For adults taking the initial loading dose of 600 mg, administer each of the injections (four ADBRY 150 mg injections using prefilled syringes or two ADBRY 300 mg injections using autoinjectors) at different injection sites within the same body area. For the subsequent 300 mg doses using the prefilled syringe , administer the two ADBRY 150 mg injections at different injection sites within the same body area, rotating the body area with each subsequent set of injections.
For the subsequent 300 mg doses using the autoinjector , administer one ADBRY 300 mg injection, rotating the body area with each subsequent injection For pediatric patients 12 years of age and older taking the initial loading dose of 300 mg, use prefilled syringes to administer the two ADBRY 150 mg injections at different injection sites within the same body area.
For the subsequent 150 mg doses, use a prefilled syringe to administer one ADBRY 150 mg injection, rotating the body area with each subsequent injection. The ADBRY "Instructions for Use" contains more detailed instructions on the preparation and administration of ADBRY [see Instructions for Use ] .
Preparation for Use Before injection, remove ADBRY prefilled syringes or autoinjectors from the refrigerator and allow to reach room temperature (at least 30 minutes for the prefilled syringes and at least 45 minutes for the autoinjectors) without removing the needle cover or cap, respectively. After removal from the refrigerator, ADBRY may be kept at room temperature up to 30°C (86°F) and must be used within 14 days or discarded.
Inspect ADBRY visually for particulate matter and discoloration prior to administration. ADBRY injection is a clear to opalescent, colorless to pale yellow solution. Do not use if the liquid contains visible particulate matter, is discolored or cloudy (other than clear to opalescent, colorless to pale yellow). ADBRY does not contain preservatives; therefore, discard any unused product.
Contraindications
4 CONTRAINDICATIONS ADBRY is contraindicated in patients who have known hypersensitivity to tralokinumab-ldrm or any excipients in ADBRY [see Warnings and Precautions (5.1) ] . Known hypersensitivity to tralokinumab-ldrm or any excipients in ADBRY. ( 4 )
Safety data
Reported adverse events (FAERS)
Liver injury (LiverTox)
ELikelihood score E: Unlikely cause of clinically apparent acute liver injury.
Tralokinumab is a human monoclonal antibody to IL-13 which is used to treat atopic dermatitis. Tralokinumab is generally well tolerated and has not been linked to elevations in serum aminotransferase levels during therapy or to instances of clinically apparent liver injury.
ABCDEA: well known cause; E: unlikely cause. [HD]: high doses only.
Pregnancy and lactation
Pregnancy
8.1 Pregnancy Pregnancy Exposure Registry There is a pregnancy exposure registry that monitors pregnancy outcomes in women exposed to ADBRY during pregnancy. Healthcare providers are encouraged to register pregnant patients, or pregnant women may enroll themselves in the registry by calling 1-877-311-8972 or visiting https://mothertobaby.org/ongoing-study/adbry-tralokinumab/. Risk Summary There are limited data from the use of ADBRY in pregnant women to inform a drug-associated risk of adverse developmental outcomes. Monoclonal antibodies are actively transported across the placenta (see Clinical Considerations ) .
In an enhanced pre-and post-natal developmental study, no adverse developmental effects were observed in offspring born to pregnant monkeys after intravenous administration of tralokinumab-ldrm during organogenesis through parturition at doses up to 10 times the maximum recommended human dose (MRHD). The background risk of major birth defects and miscarriage for the indicated population is 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.
Clinical Considerations Fetal/Neonatal Adverse Reactions Transport of endogenous IgG antibodies across the placenta increases as pregnancy progresses and peaks during the third trimester. Therefore, ADBRY may be present in infants exposed in utero . The potential clinical impact of tralokinumab-ldrm exposure in infants exposed in utero should be considered. Data Animal Data In a pre- and post-natal development study, intravenous doses up to 100 mg/kg tralokinumab-ldrm were administered to pregnant cynomolgus monkeys once every week from gestation day 20 to parturition.
No maternal or developmental toxicity was observed at doses up to 100 mg/kg/week (10 times the MRHD on a mg/kg basis of 10 mg/kg/week). In an enhanced pre- and post-natal development study, intravenous doses up to 100 mg/kg tralokinumab-ldrm (10 times the MRHD on a mg/kg basis of 10 mg/kg/week) were administered to pregnant cynomolgus monkeys once every week from the beginning of organogenesis to parturition. No treatment-related adverse effects on embryofetal toxicity or malformations, or on morphological, functional, or immunological development were observed in the infants from birth through 6 months of age.
Breastfeeding (LactMed)
No information is available on the clinical use of tralokinumab during breastfeeding. Because tralokinumab is a large protein molecule with a molecular weight of 147,000 Da, the amount in milk is likely to be very low. It is also likely to be partially destroyed in the infant's gastrointestinal tract and absorption by the infant is probably minimal. Some expert opinions consider tralokinumab acceptable during breastfeeding. Until more data become available, tralokinumab should be used with caution while nursing a newborn or preterm infant. Waiting for at least 2 weeks postpartum to resume therapy may minimize transfer to the infant.
Supply and cost
Drug shortage status
Recalls (last 24 months)
Therapeutic equivalence (Orange Book)
Price ladder
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