# An Open Label Study of Romiplostim in Adult Thrombocytopenic Subjects With ITP

> **NCT00508820** · PHASE3 · COMPLETED · sponsor: **Amgen** · enrollment: 407 (actual)

## Conditions studied

- Idiopathic Thrombocytopenic Purpura
- Thrombocytopenia
- Thrombocytopenic Purpura

## Interventions

- **BIOLOGICAL:** Romiplostim

## Key facts

- **NCT ID:** NCT00508820
- **Lead sponsor:** Amgen
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2005-02-01
- **Primary completion:** 2011-01-01
- **Final completion:** 2011-03-01
- **Target enrollment:** 407 (ACTUAL)
- **Last updated:** 2022-11-14


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00508820

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00508820, "An Open Label Study of Romiplostim in Adult Thrombocytopenic Subjects With ITP". Retrieved via AI Analytics 2026-06-24 from https://api.ai-analytics.org/clinical/NCT00508820. Licensed CC0.

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