# A Study to Assess CH1504 in Patients With Active Rheumatoid Arthritis

> **NCT00658047** · PHASE2 · COMPLETED · sponsor: **Chelsea Therapeutics** · enrollment: 201 (actual)

## Conditions studied

- Arthritis, Rheumatoid

## Interventions

- **DRUG:** CH-1504
- **DRUG:** Methotrexate (MTX)

## Key facts

- **NCT ID:** NCT00658047
- **Lead sponsor:** Chelsea Therapeutics
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE2
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2008-04
- **Primary completion:** 2009-02
- **Final completion:** 2009-06
- **Target enrollment:** 201 (ACTUAL)
- **Last updated:** 2013-04-15


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00658047

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00658047, "A Study to Assess CH1504 in Patients With Active Rheumatoid Arthritis". Retrieved via AI Analytics 2026-07-06 from https://api.ai-analytics.org/clinical/NCT00658047. Licensed CC0.

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