๐Ÿ›๏ธ Verified NIH Record โ€ข Updated 2026-07-31

An Observational Study in Participants With Indolent Systemic Mastocytosis (ISM) (NCT07264959)

An Observational Study in Patients With Indolent Systemic Mastocytosis

๐ŸŸข Recruiting Interventional Protocol ๐Ÿ“Š Observational Clinical Research Sponsor: Blueprint Medicines Corporation

๐Ÿฉบ Plain-English Summary (8th-Grade Level)

This is a Phase 4, non-interventional, observational study to collect detailed data on the clinical characteristics, clinical outcomes and medical management of ISM in real-world settings. The study will describe the demographic and clinical characteristics of ISM participants, including anaphylaxis and bone manifestations in ISM. Quality of life and disease control will be assessed through participant questionnaires. The study will also evaluate real world ISM treatment management, including use of avapritinib.

Who can join: Review the eligibility criteria below.

Location: Institute for Allergy and Asthma โ€” Wheaton, Maryland

Age range: 18 Years

๐Ÿ“‹ "Do I Qualify?" โ€” 1-Minute Self Screener

Instant Checklist

Full eligibility criteria are available on the official NIH protocol. View the criteria โ†—

๐Ÿ“ All Participating Trial Locations (3 Sites)

  • Institute for Allergy and Asthma โ€” Wheaton, Maryland
  • Brigham and Women's Allergy and Clinical Immunology, Mass General Brigham Healthcare Center (Chestnut Hill) โ€” Chestnut Hill, Massachusetts
  • University of Michigan Allergy Clinic โ€” Ann Arbor, Michigan

๐Ÿ“ž Contact the Study Coordinator

Phone: (888) 258-7768

Email: medinfo@blueprintmedicines.com

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

๐Ÿ’ฐ 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 ยง 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.

๐Ÿ’ก 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.
๐Ÿ›๏ธ View Official NIH Record โ†—