# Comparative Analysis of Outcomes Among Patients Treated With Xeljanz vs Biologics

> **NCT03964649** · — · COMPLETED · sponsor: **Pfizer** · enrollment: 7308 (actual)

## Conditions studied

- Arthritis, Rheumatoid

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT03964649
- **Lead sponsor:** Pfizer
- **Sponsor class:** INDUSTRY
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2019-01-01
- **Primary completion:** 2020-04-06
- **Final completion:** 2020-04-06
- **Target enrollment:** 7308 (ACTUAL)
- **Last updated:** 2021-06-02


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03964649

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03964649, "Comparative Analysis of Outcomes Among Patients Treated With Xeljanz vs Biologics". Retrieved via AI Analytics 2026-07-18 from https://api.ai-analytics.org/clinical/NCT03964649. Licensed CC0.

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