🏛️ Verified NIH Record • Updated 2026-06-25

Open-label, Multi-center, Phase I/II Study to Assess Safety, Disease Progression and Cellular Kinetics Following YTB323 Administration in Participants With Non-active Progressive Multiple Sclerosis (PMS) (NCT06675864)

An Open-label, Multi-center, Phase I/II Study to Assess Safety, Disease Progression, and Cellular Kinetics Following YTB323 Administration in Participants With Non-active Progressive Multiple Sclerosis (PMS)

🟢 Recruiting Phase1 / Phase2 💊 Investigational Drug / Biologic Sponsor: Novartis Pharmaceuticals

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

This is an open-label, multi-center, non-confirmatory study to assess the safety, disease progression, and cellular kinetics following YTB323 administration to 28 participants with non-active Progressive Multiple Sclerosis (PMS). The study design utilizes an ascending single dose design consisting of 3 sentinel cohorts followed by an expansion cohort.

Who can join: Review the eligibility criteria below.

Location: Novartis Investigative Site — Darlinghurst, New South Wales

Age range: 18 Years to 60 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 (18 Sites)

  • Novartis Investigative Site — Darlinghurst, New South Wales
  • Novartis Investigative Site — Melbourne, Victoria
  • Novartis Investigative Site — Québec, Quebec
  • Novartis Investigative Site — Bron,
  • Novartis Investigative Site — Montpellier,
  • Novartis Investigative Site — Nancy,
  • Novartis Investigative Site — Rennes,
  • Novartis Investigative Site — Essen,
  • Novartis Investigative Site — Mainz,
  • Novartis Investigative Site — Ulm,
  • Novartis Investigative Site — Genova, GE
  • Novartis Investigative Site — Milan, MI
  • Novartis Investigative Site — Barcelona,
  • Novartis Investigative Site — Madrid,
  • Novartis Investigative Site — Málaga,
  • Novartis Investigative Site — Bern,
  • Novartis Investigative Site — Lausanne,
  • Novartis Investigative Site — Zurich,

📞 Contact the Study Coordinator

Phone: +41613241111

Email: novartis.email@novartis.com

Coordinator details come directly from the registered NIH protocol. Confirm the study is still recruiting before traveling.

💰 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.
  • 💵 Compensation indicated: Different groups of participants may receive a higher dose of YTB323, if proven to be safe for every participant at the lower dose.

💡 How to Participate

  1. Check the checklist above to see if you may qualify.
  2. Contact the study coordinator using the phone/email above.
  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 ↗