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Litifilimab

A Study to Find Out How Litifilimab is Processed in the Body in Healthy Participants When Given Under the Skin in 3 Different Ways

Ensayo de BIOGEN INC. en Voluntarios sanos.

Fase

Fase 1

Estado

Completado

Participantes

404

previstos

Centros

2

Fin del objetivo primario

mar 2026

fecha real

Qué significa cada fase y cada estado.

Estudio de intervención, aleatorizado, abierto. Comenzó en ene 2025.

Qué mide

Part 1 and 2: Maximum Observed Concentration (Cmax) of Litifilimab (Pre-dose and at multiple timepoints up to Week 22) (del registro, en inglés)

Cómo lo describe el promotor

En el documentoEn inglés, del registroIn this study, researchers will learn how the body processes litifilimab when it is given under the skin in 3 different ways. Currently, ongoing studies utilize pre-filled syringes (PFS) that can deliver litifilimab subcutaneously (SC), also known as under the skin. In this study, researchers want to learn more about new ways of delivering litifilimab SC using either an autoinjector (AI) or an on-body injector (OBI): Both devices are designed to deliver litifilimab in an automatic way, especially helping patients who may not be able to use their hands very well, or who may be afraid of needles. While the AI is handheld, the OBI device works by being placed on the skin and can help deliver the highest amount of litifilimab through a single injection. The main objective of this study is to learn how the body processes litifilimab after using the AI device or the OBI device, as compared to using the PFS method. The main questions researchers want to answer are: * What is the highest amount of litifilimab found in the blood after dosing? How much total litifilimab is found in the blood throughout the study? Researchers will also learn more about: Any medical problems the participants have during the study * Any injection site pain or reactions the participants may have. Any skin reactions to the OBI device * Any changes in the participants' overall health after receiving litifilimab. This study will be done as follows: * Participants will be screened to check if they can join the study. The screening period will be up to 4 weeks, after which selected participants will check into their study research center. * Participants will be randomly assigned to be in Part 1 or Part 2 of the study: * Part 1: Participants will receive SC injection(s) of litifilimab through either the AI device or through PFS. * Part 2: Participants will receive SC injection(s) of litifilimab through the OBI device or through PFS. * Participants will remain at their study research center for the first 8 days. After that, there will be a follow-up period for 17 weeks during which participants return to the center a total of 6 times. Each participant will be in the study for about 22 weeks.

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Ficha completa en ClinicalTrials.gov (NCT06741657), actualizada en may 2026.