- Conditions
- Indolent Systemic Mastocytosis, Smoldering Systemic Mastocytosis
- Interventions
- Elenestinib, Placebo
- Drug
- Lead sponsor
- Blueprint Medicines Corporation
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 534 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2032
- U.S. locations
- 14
- States / cities
- Birmingham, Alabama • Los Angeles, California • Palo Alto, California + 11 more
Source: ClinicalTrials.gov public record
Updated Apr 19, 2026 · Synced May 21, 2026, 7:50 PM EDT