{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo%2FCP-690%2C550", "query": { "intervention": "Placebo/CP-690,550" }, "page_size": 10 }, "pagination": { "page": 1, "page_size": 10, "total_count": 7, "total_pages": 1, "next_page_url": null, "previous_page_url": null }, "source": "remote", "last_synced_at": "2026-09-25T06:54:14.570Z", "attribution": "Data derived from public ClinicalTrials.gov records. The official record at https://clinicaltrials.gov/ remains the source of truth for current availability, contacts, and full study details.", "notes": [ "This endpoint exposes only public summary fields — no participant contact emails, phone numbers, or scraped investigator contact details.", "For contact information and full protocol detail, follow each trial's `official_url` to the ClinicalTrials.gov record.", "This API is a navigational aid. It does not provide medical advice, eligibility determinations, or compensation guarantees." ], "trials": [ { "nct_id": "NCT01246583", "title": "CP-690-550 Ointment For Chronic Plaque Psoriasis", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Psoriasis" ], "interventions": [ { "name": "CP-690,550 Ointment 1", "type": "DRUG" }, { "name": "Vehicle 1", "type": "DRUG" }, { "name": "CP-690,550 Ointment 2", "type": "DRUG" }, { "name": "Vehicle 2", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Pfizer", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "99 Years", "sex": "ALL", "summary": "18 Years to 99 Years" }, "enrollment_count": 71, "start_date": "2011-02-16", "completion_date": "2011-11-29", "has_results": true, "last_update_posted_date": "2021-01-11", "last_synced_at": "2026-09-25T06:54:14.570Z", "location_count": 8, "location_summary": "Mobile, Alabama • Los Angeles, California • Orange Park, Florida + 4 more", "locations": [ { "city": "Mobile", "state": "Alabama" }, { "city": "Los Angeles", "state": "California" }, { "city": "Los Angeles", "state": "California" }, { "city": "Orange Park", "state": "Florida" }, { "city": "Omaha", "state": "Nebraska" } ], "official_url": "https://clinicaltrials.gov/study/NCT01246583" }, { "nct_id": "NCT03000439", "title": "A Safety, Efficacy And Pharmacokinetics Study Of Tofacitinib In Pediatric Patients With sJIA", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Arthritis Juvenile Idiopathic" ], "interventions": [ { "name": "In open-label phase: treatment with tofacitinib", "type": "DRUG" }, { "name": "In double-blind phase: treatment with tofacitinib or placebo in 1:1 ratio", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Pfizer", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "2 Years", "maximum_age": "17 Years", "sex": "ALL", "summary": "2 Years to 17 Years" }, "enrollment_count": 100, "start_date": "2018-05-10", "completion_date": "2024-03-27", "has_results": true, "last_update_posted_date": "2025-06-03", "last_synced_at": "2026-09-25T06:54:14.570Z", "location_count": 5, "location_summary": "Phoenix, Arizona • Los Angeles, California • Chicago, Illinois + 2 more", "locations": [ { "city": "Phoenix", "state": "Arizona" }, { "city": "Los Angeles", "state": "California" }, { "city": "Chicago", "state": "Illinois" }, { "city": "Lake Success", "state": "New York" }, { "city": "New Hyde Park", "state": "New York" } ], "official_url": "https://clinicaltrials.gov/study/NCT03000439" }, { "nct_id": "NCT00550446", "title": "A Phase 2 Study For Patients With A Physician's Diagnosis Of Rheumatoid Arthritis", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Arthritis, Rheumatoid" ], "interventions": [ { "name": "Adalimumab", "type": "DRUG" }, { "name": "CP-690,550", "type": "DRUG" }, { "name": "Placebo", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Pfizer", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 386, "start_date": "2007-09", "completion_date": "2009-01", "has_results": true, "last_update_posted_date": "2013-01-03", "last_synced_at": "2026-09-25T06:54:14.570Z", "location_count": 22, "location_summary": "Mesa, Arizona • Little Rock, Arkansas • Northridge, California + 17 more", "locations": [ { "city": "Mesa", "state": "Arizona" }, { "city": "Little Rock", "state": "Arkansas" }, { "city": "Northridge", "state": "California" }, { "city": "Palo Alto", "state": "California" }, { "city": "Stanford", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT00550446" }, { "nct_id": "NCT01458951", "title": "A Study To Evaluate Both The Efficacy and Safety Profile of CP-690,550 In Patients With Moderately to Severely Active Ulcerative Colitis", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Ulcerative Colitis" ], "interventions": [ { "name": "tofacitinib", "type": "DRUG" }, { "name": "Placebo", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Pfizer", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 547, "start_date": "2012-06", "completion_date": "2015-06", "has_results": true, "last_update_posted_date": "2016-06-01", "last_synced_at": "2026-09-25T06:54:14.570Z", "location_count": 62, "location_summary": "Tucson, Arizona • Oceanside, California • San Diego, California + 33 more", "locations": [ { "city": "Tucson", "state": "Arizona" }, { "city": "Tucson", "state": "Arizona" }, { "city": "Tucson", "state": "Arizona" }, { "city": "Oceanside", "state": "California" }, { "city": "San Diego", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT01458951" }, { "nct_id": "NCT01059864", "title": "Study Of The Effects Of Atorvastatin On Cholesterol Levels In Rheumatoid Arthritis Patients Taking CP-690,550", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Rheumatoid Arthritis" ], "interventions": [ { "name": "CP-690,550", "type": "DRUG" }, { "name": "Atorvastatin", "type": "DRUG" }, { "name": "Atorvastatin Placebo", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Pfizer", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 111, "start_date": "2010-02", "completion_date": "2010-11", "has_results": true, "last_update_posted_date": "2012-12-13", "last_synced_at": "2026-09-25T06:54:14.570Z", "location_count": 10, "location_summary": "Birmingham, Alabama • Huntsville, Alabama • Gilbert, Arizona + 7 more", "locations": [ { "city": "Birmingham", "state": "Alabama" }, { "city": "Huntsville", "state": "Alabama" }, { "city": "Gilbert", "state": "Arizona" }, { "city": "Scottsdale", "state": "Arizona" }, { "city": "Upland", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT01059864" }, { "nct_id": "NCT01458574", "title": "A Study Of Oral CP-690,550 As A Maintenance Therapy For Ulcerative Colitis", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Ulcerative Colitis" ], "interventions": [ { "name": "Placebo", "type": "DRUG" }, { "name": "CP690,550", "type": "DRUG" }, { "name": "CP-690,550", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Pfizer", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 593, "start_date": "2012-07-20", "completion_date": "2016-05-27", "has_results": true, "last_update_posted_date": "2017-05-18", "last_synced_at": "2026-09-25T06:54:14.570Z", "location_count": 94, "location_summary": "Mobile, Alabama • La Jolla, California • Oceanside, California + 47 more", "locations": [ { "city": "Mobile", "state": "Alabama" }, { "city": "Mobile", "state": "Alabama" }, { "city": "La Jolla", "state": "California" }, { "city": "La Jolla", "state": "California" }, { "city": "Oceanside", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT01458574" }, { "nct_id": "NCT01465763", "title": "A Study Evaluating The Efficacy And Safety Of CP-690,550 In Patients With Moderate To Severe Ulcerative Colitis", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Ulcerative Colitis" ], "interventions": [ { "name": "tofacitinib", "type": "DRUG" }, { "name": "Placebo", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Pfizer", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 614, "start_date": "2012-04", "completion_date": "2015-05", "has_results": true, "last_update_posted_date": "2016-06-07", "last_synced_at": "2026-09-25T06:54:14.570Z", "location_count": 71, "location_summary": "Mobile, Alabama • La Jolla, California • Los Angeles, California + 29 more", "locations": [ { "city": "Mobile", "state": "Alabama" }, { "city": "Mobile", "state": "Alabama" }, { "city": "La Jolla", "state": "California" }, { "city": "La Jolla", "state": "California" }, { "city": "La Jolla", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT01465763" } ] }