# Collection of Blood Samples From Patients With Relapsing MS Who Developed ITP After Receiving Lemtrada

> **NCT03784898** · PHASE4 · COMPLETED · sponsor: **Genzyme, a Sanofi Company** · enrollment: 13 (actual)

## Conditions studied

- Multiple Sclerosis

## Interventions

- **OTHER:** Blood draw for future biomarker analysis

## Key facts

- **NCT ID:** NCT03784898
- **Lead sponsor:** Genzyme, a Sanofi Company
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2019-02-08
- **Primary completion:** 2019-12-11
- **Final completion:** 2019-12-11
- **Target enrollment:** 13 (ACTUAL)
- **Last updated:** 2022-03-28


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03784898

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03784898, "Collection of Blood Samples From Patients With Relapsing MS Who Developed ITP After Receiving Lemtrada". Retrieved via AI Analytics 2026-06-14 from https://api.ai-analytics.org/clinical/NCT03784898. Licensed CC0.

---

*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*