# Predictors of Response to Tofacitinib Treatment in Rheumatoid Arthritis Patients

> **NCT04079920** · — · COMPLETED · sponsor: **Pfizer** · enrollment: 198 (actual)

## Conditions studied

- Rheumatoid Arthritis

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT04079920
- **Lead sponsor:** Pfizer
- **Sponsor class:** INDUSTRY
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2020-09-22
- **Primary completion:** 2023-02-08
- **Final completion:** 2023-02-08
- **Target enrollment:** 198 (ACTUAL)
- **Last updated:** 2025-06-08


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04079920

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04079920, "Predictors of Response to Tofacitinib Treatment in Rheumatoid Arthritis Patients". Retrieved via AI Analytics 2026-07-15 from https://api.ai-analytics.org/clinical/NCT04079920. Licensed CC0.

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