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

> **NCT07264959** · — · RECRUITING · sponsor: **Blueprint Medicines Corporation** · enrollment: 150 (estimated)

## Conditions studied

- Indolent Systemic Mastocytosis

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT07264959
- **Lead sponsor:** Blueprint Medicines Corporation
- **Sponsor class:** INDUSTRY
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** RECRUITING
- **Start date:** 2026-04-15
- **Primary completion:** 2032-12-01
- **Final completion:** 2032-12-01
- **Target enrollment:** 150 (ESTIMATED)
- **Last updated:** 2026-04-22


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT07264959

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT07264959, "An Observational Study in Participants With Indolent Systemic Mastocytosis (ISM)". Retrieved via AI Analytics 2026-05-28 from https://api.ai-analytics.org/clinical/NCT07264959. Licensed CC0.

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