Nemolizumab

FDA label, Galderma Laboratories, L.P., subcutaneous, effective 2025-06-26. Full label on DailyMed

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Quoted from the FDA label. Product labels differ by manufacturer and change over time; confirm against the label for the product you are using.

Interleukin-31 Receptor alpha Antagonist

Dosing in kidney impairment

This label has no separate kidney-impairment dosing section. Check warnings and clinical pharmacology in the full label.

Preparation and administration

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Basis

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Important Administration Instructions NEMLUVIO is administered by subcutaneous injection. NEMLUVIO is intended for use under the guidance of a healthcare provider. Prior to the first injection, provide patients and/or caregivers with proper training on the preparation and administration of NEMLUVIO. Patients may self-inject NEMLUVIO after receiving training on subcutaneous injection techniques.

In pediatric patients 12 years of age and older, administer NEMLUVIO by or under the supervision of a trained adult or caregiver. For the initial dose, administer each of the two NEMLUVIO injections at different injection sites. Administer NEMLUVIO subcutaneously into the front upper thighs or abdomen avoiding the 2-inch (5 cm) area around the navel.

NEMLUVO may be subcutaneously injected into the upper arm, but this should only be performed by a caregiver or healthcare professional. Alternate the injection site with each injection. Do not inject NEMLUVIO into skin that is tender, inflamed, swollen, damaged or has bruises or scars or open wounds. Refer to the Instructions for Use for complete administration instructions with illustrations [ see Instructions for Use ].

Preparation for Use of NEMLUVIO Before injection, remove NEMLUVIO carton from the refrigerator and allow to reach room temperature (30-45 minutes). Inspect NEMLUVIO visually prior to reconstitution. NEMLUVIO is supplied in a single-dose, prefilled, dual-chamber pen with white powder in one chamber and a clear diluent in the other chamber.

Do not use if powder is not white, or if diluent is cloudy or contains visible particles. NEMLUVIO must be reconstituted prior to administration. Refer to the Instructions for Use for complete preparation instructions with illustrations [ see Instructions for Use ]. Following reconstitution, each prefilled pen delivers 30 mg/0.49 mL as a clear and colorless to slightly yellow solution.

Parenteral drug products should be inspected visually for particulate matter and discoloration prior to administration, whenever solution and container permit. Do not use if the reconstituted solution has discoloration or contains particles. Use NEMLUVIO pens within 4 hours after reconstitution. Discard unused reconstituted NEMLUVIO pens after 4 hours.

Discard any unused portions after administration.

Contraindications

4 CONTRAINDICATIONS NEMLUVIO is contraindicated in patients who have known hypersensitivity to nemolizumab-ilto or to any of the excipients in NEMLUVIO [ see Warnings and Precautions (5.1) ]. Known hypersensitivity to nemolizumab-ilto or to any of the excipients in NEMLUVIO. ( 4 )

Safety data

Reported adverse events (FAERS)

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Source: FDA Adverse Event Reporting System via openFDA

Liver injury (LiverTox)

LiverTox has no chapter for nemolizumab. Check the label's hepatic warnings.

Pregnancy and lactation

Pregnancy

8.1 Pregnancy Risk Summary Available data on NEMLUVIO use in pregnant women exposed during clinical trials are insufficient to evaluate for a drug-associated risk of major birth defects, miscarriage, or other adverse maternal or fetal outcomes. In an enhanced pre- and postnatal development study in cynomolgus monkeys, when nemolizumab-ilto was administered subcutaneously during organogenesis to parturition, an increase in early postnatal death was observed at a dose 36 times the maximum recommended human dose (MRHD) for PN and 50 times for AD (see Data). The clinical significance of this nonclinical finding is unknown.

The background risk of major birth defects and miscarriage for the indicated populations are unknown. All pregnancies have a background risk of birth defects, 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, NEMLUVIO may be present in infants exposed in utero.

The potential impact of infants being exposed in utero to NEMLUVIO should be considered. Data Animal Data In an enhanced pre- and postnatal development study, subcutaneous doses up to 25 mg/kg of nemolizumab-ilto were administered to pregnant cynomolgus monkeys once every two weeks during organogenesis to parturition. No maternal or embryofetal toxicities were observed at doses up to 25 mg/kg (36 times the MRHD for PN and 50 times for AD, based on AUC comparison). Early postnatal death occurred in the offspring of one control monkey and 3 monkeys at 25 mg/kg (36 times the MRHD for PN and 50 times for AD, based on AUC comparison).

The clinical significance of this nonclinical finding is unknown. Nemolizumab-ilto was administered subcutaneously to the offspring at doses up to 25 mg/kg (122 times the MRHD for PN and 168 times for AD, based on AUC comparison), once every 2 weeks for 6 months, starting from postnatal day 35. No adverse effects were noted in the remaining offspring.

Breastfeeding (LactMed)

No information is available on the use of nemolizumab during breastfeeding. Because nemolizumab is a large protein molecule with a molecular weight of about 144,000 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. Until more data become available, nemolizumab should be used with caution during breastfeeding, especially while nursing a newborn or preterm infant. Waiting for at least 2 weeks postpartum to resume therapy may minimize transfer to the infant. Elevated serum prolactin and galactorrhea has been reported during therapy in a nonlactating patient.

Source: LactMed: Nemolizumab (NICHD, public domain)Revised Aug 15, 2026

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