Completed PHASE3 INTERVENTIONAL 5-arm NCT00853385

A Phase 3 Study Comparing 2 Doses Of CP-690,550 And The Active Comparator, Humira (Adalimumab) Vs. Placebo For Treatment Of Rheumatoid Arthritis

Phase 3 Randomized, Double-Blind, Active Comparator, Placebo-Controlled Study Of The Efficacy And Safety Of 2 Doses Of CP 690,550 In Patients With Active Rheumatoid Arthritis On Background Methotrexate

Sponsor: Pfizer

Conditions Rheumatoid Arthritis

Interventions Biologic TNFi CP 690,550 CP-690,550 Placebo

Updated 8 times since 2017 Last updated: Jan 10, 2013 Started: May 31, 2009 Primary completion: Mar 31, 2011 Completion: Mar 31, 2011

This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

Listed as NCT00853385, this PHASE3 trial focuses on Rheumatoid Arthritis and remains completed. Sponsored by Pfizer, it has been updated 8 times since 2009, reflecting limited change activity. This study adds to the evidence base for this therapeutic area through structured, versioned documentation.

Status Flow

Change History

8 versions recorded

Feb 2026 — Present [monthly]

Completed PHASE3
Sep 2025 — Feb 2026 [monthly]

Completed PHASE3
Sep 2024 — Sep 2025 [monthly]

Completed PHASE3
Jul 2024 — Sep 2024 [monthly]

Completed PHASE3
Jan 2021 — Jul 2024 [monthly]

Completed PHASE3

▶ Show 3 earlier versions

Jun 2018 — Jan 2021 [monthly]

Completed PHASE3
Feb 2017 — Jun 2018 [monthly]

Completed PHASE3
Jan 2017 — Feb 2017 [monthly]

Completed PHASE3

First recorded

May 2009

Trial started

Per CT.gov start date — pre-dates our first snapshot

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:

Pfizer

Data source: Pfizer

For direct contact, visit the study record on ClinicalTrials.gov .

Study Locations

A Coruña, Spain , Aachen, Germany , Amphoe Muang, Thailand , Angeles City, Philippines , Austin, United States , Baton Rouge, United States , Berlin, Germany , Bialystok, Poland , Boulder, United States , Bratislava, Slovakia and 103 more locations