# Biomarkers of Anti-TNF-α Therapy Efficacy in Rheumatoid Arthritis to Define Unresponsive Patients

> **NCT01211678** · — · COMPLETED · sponsor: **Biogen** · enrollment: 301 (actual)

## Conditions studied

- Arthritis, Rheumatoid

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT01211678
- **Lead sponsor:** Biogen
- **Sponsor class:** INDUSTRY
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2010-06
- **Primary completion:** 2013-07
- **Final completion:** 2013-07
- **Target enrollment:** 301 (ACTUAL)
- **Last updated:** 2014-06-09

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01211678

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01211678, "Biomarkers of Anti-TNF-α Therapy Efficacy in Rheumatoid Arthritis to Define Unresponsive Patients". Retrieved via AI Analytics 2026-05-27 from https://api.ai-analytics.org/clinical/NCT01211678. Licensed CC0.

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