🏛️ Verified NIH Record • Updated 2026-04-01

A Study of LY3541860 in Adult Participants With Relapsing Multiple Sclerosis (NCT06220669)

An Adaptive Phase 2a/2b, Randomized, Double-Blind, Parallel-Group Study to Investigate the Safety and Efficacy of LY3541860 Compared to Placebo in Slowing the Occurrence of New T1 Gadolinium-Enhancing Lesions in Adult Participants With Relapsing Multiple Sclerosis

🔵 Active, Not Recruiting Phase2 💊 Investigational Drug / Biologic Sponsor: Eli Lilly and Company

🩺 Plain-English Summary (8th-Grade Level)

The main purpose of this study is to evaluate the safety and efficacy of LY3541860 in adult participants with multiple sclerosis that gets worse and gets better. The study will last about 9 months with additional 6 months follow-up.

Who can join: Review the eligibility criteria below.

Location: Panhandle Research and Medical Clinic — Gulf Breeze, Florida

Age range: 18 Years to 55 Years

🧪 Interventions in This Study

📋 "Do I Qualify?" — 1-Minute Self Screener

Instant Checklist

Full eligibility criteria are available on the official NIH protocol. View the criteria ↗

📍 All Participating Trial Locations (20 Sites)

  • Panhandle Research and Medical Clinic — Gulf Breeze, Florida
  • Conquest Research LLC - Winter Park - ClinEdge - PPDS — Winter Park, Florida
  • Consultants in Neurology — Northbrook, Illinois
  • Sharlin Health and Neurology — Ozark, Missouri
  • Premier Neurology — Greer, South Carolina
  • Hope Neurology — Knoxville, Tennessee
  • Centre Hospitalier Intercommunal - Site de Poissy — Poissy,
  • Fondazione IRCCS Di Rilievo Nazionale Istituto Nazionale Neurologico Carlo Besta-VIA MANGIAGALLI 3 — Milan,
  • Pauls Stradins Clinical Univeristy Hospital — Riga,
  • Neurocentrum Bydgoszcz sp. z o.o. — Bydgoszcz,
  • Specjalistyczna Praktyka Lekarska prof. Grzegorz Opala — Katowice,
  • M.A. - LEK A.M. Maciejowscy SC. Centrum Terapii SM — Katowice,
  • NEURO-MEDIC Sp. z o. o. — Katowice,
  • Clinirem — Lublin,
  • Niepubliczny Zaklad Opieki Zdrowotnej NEURO-KARD Ilkowski i Partnerzy Spolka Partnerska Lekarzy — Poznan,
  • ETG Neuroscience - PPDS — Warsaw,
  • IBISMED Wielospecjalistyczne Centrum Medyczne — Zabrze,
  • ProNeuro Centrum Medyczne — Żory,
  • Nemocnica Ruzinov — Bratislava,
  • Queen's Medical Centre — Nottingham,

💰 Cost, Insurance & Patient Rights

  • 100% Free Items: The investigational treatment and protocol-required procedures are supplied at zero cost by the sponsor.
  • Routine Patient Care: Under federal law (ACA § 2709) and many state statutes, routine care costs are covered during participation.
  • Voluntary Participation: You may withdraw at any time without affecting your standard medical care.

💡 How to Participate

  1. Check the checklist above to see if you may qualify.
  2. Review the official NIH record below to find the coordinating site.
  3. Ask about the visit schedule, what is covered at no cost, and any travel support.
  4. Confirm with your own doctor before making a decision.
🏛️ View Official NIH Record ↗