{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=guselkumab", "query": { "intervention": "guselkumab" }, "page_size": 10 }, "pagination": { "page": 1, "page_size": 10, "total_count": 70, "total_pages": 7, "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=guselkumab&page=2&page_size=10", "previous_page_url": null }, "source": "remote", "last_synced_at": "2026-09-13T07:03:51.225Z", "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": "NCT03162796", "title": "A Study Evaluating the Efficacy and Safety of Guselkumab Administered Subcutaneously in Participants With Active Psoriatic Arthritis Including Those Previously Treated With Biologic Anti -Tumor Necrosis Factor (TNF) Alpha Agent(s)", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Arthritis, Psoriatic" ], "interventions": [ { "name": "Guselkumab", "type": "DRUG" }, { "name": "Placebo", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Janssen Research & Development, LLC", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 383, "start_date": "2017-08-24", "completion_date": "2019-11-18", "has_results": true, "last_update_posted_date": "2021-02-03", "last_synced_at": "2026-09-13T07:03:51.225Z", "location_count": 9, "location_summary": "Birmingham, Alabama • Glendale, Arizona • Mesa, Arizona + 6 more", "locations": [ { "city": "Birmingham", "state": "Alabama" }, { "city": "Glendale", "state": "Arizona" }, { "city": "Mesa", "state": "Arizona" }, { "city": "Danbury", "state": "Connecticut" }, { "city": "Indianapolis", "state": "Indiana" } ], "official_url": "https://clinicaltrials.gov/study/NCT03162796" }, { "nct_id": "NCT03079531", "title": "Open Label Study to Assess the Effect of Secukinumab in Moderate to Severe Papulopustular Rosacea", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1", "PHASE2" ], "conditions": [ "Papulopustular Rosacea" ], "interventions": [ { "name": "Secukinumab", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Anne Chang", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 24, "start_date": "2017-06-21", "completion_date": "2019-01-25", "has_results": true, "last_update_posted_date": "2020-02-05", "last_synced_at": "2026-09-13T07:03:51.225Z", "location_count": 1, "location_summary": "Redwood City, California", "locations": [ { "city": "Redwood City", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT03079531" }, { "nct_id": "NCT05535738", "title": "Using a Contact Dermatitis Model With Biologic Medications to Study Skin Inflammation", "overall_status": "ACTIVE_NOT_RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2", "PHASE3" ], "conditions": [ "Skin Inflammation", "Allergic Contact Dermatitis" ], "interventions": [ { "name": "Squaric Acid Dibutyl Ester", "type": "DRUG" }, { "name": "Known patch test allergens", "type": "OTHER" }, { "name": "Dupilumab", "type": "DRUG" }, { "name": "Adalimumab", "type": "DRUG" }, { "name": "Ustekinumab", "type": "DRUG" }, { "name": "Guselkumab", "type": "DRUG" }, { "name": "Canakinumab", "type": "DRUG" }, { "name": "Sarilumab", "type": "DRUG" }, { "name": "Triamcinolone Acetonide", "type": "DRUG" }, { "name": "Betamethasone Valerate", "type": "DRUG" }, { "name": "Fluticasone Propionate", "type": "DRUG" }, { "name": "Microneedle", "type": "DEVICE" }, { "name": "Suction blistering", "type": "DEVICE" }, { "name": "Skin punch biopsy", "type": "PROCEDURE" } ], "intervention_types": [ "DRUG", "OTHER", "DEVICE", "PROCEDURE" ], "sponsor": "Wei-Che Ko", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 45, "start_date": "2022-11-15", "completion_date": "2027-12-31", "has_results": false, "last_update_posted_date": "2026-06-09", "last_synced_at": "2026-09-13T07:03:51.225Z", "location_count": 1, "location_summary": "Worcester, Massachusetts", "locations": [ { "city": "Worcester", "state": "Massachusetts" } ], "official_url": "https://clinicaltrials.gov/study/NCT05535738" }, { "nct_id": "NCT03649971", "title": "A Study of Guselkumab in Participants With Familial Adenomatous Polyposis", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1" ], "conditions": [ "Adenomatous Polyposis Coli" ], "interventions": [ { "name": "Guselkumab", "type": "DRUG" }, { "name": "Placebo", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Janssen Research & Development, LLC", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 77, "start_date": "2018-11-19", "completion_date": "2022-03-23", "has_results": false, "last_update_posted_date": "2025-02-03", "last_synced_at": "2026-09-13T07:03:51.225Z", "location_count": 18, "location_summary": "Phoenix, Arizona • Duarte, California • New Haven, Connecticut + 13 more", "locations": [ { "city": "Phoenix", "state": "Arizona" }, { "city": "Duarte", "state": "California" }, { "city": "New Haven", "state": "Connecticut" }, { "city": "Jacksonville", "state": "Florida" }, { "city": "Miami", "state": "Florida" } ], "official_url": "https://clinicaltrials.gov/study/NCT03649971" }, { "nct_id": "NCT04033445", "title": "A Study of Guselkumab in Participants With Moderately to Severely Active Ulcerative Colitis", "overall_status": "ACTIVE_NOT_RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2", "PHASE3" ], "conditions": [ "Ulcerative Colitis" ], "interventions": [ { "name": "Placebo", "type": "DRUG" }, { "name": "Guselkumab", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Janssen Research & Development, LLC", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 1064, "start_date": "2019-09-26", "completion_date": "2027-07-16", "has_results": true, "last_update_posted_date": "2026-08-31", "last_synced_at": "2026-09-13T07:03:51.225Z", "location_count": 52, "location_summary": "Lancaster, California • Los Angeles, California • Colorado Springs, Colorado + 42 more", "locations": [ { "city": "Lancaster", "state": "California" }, { "city": "Los Angeles", "state": "California" }, { "city": "Colorado Springs", "state": "Colorado" }, { "city": "Gainesville", "state": "Florida" }, { "city": "Gainesville", "state": "Florida" } ], "official_url": "https://clinicaltrials.gov/study/NCT04033445" }, { "nct_id": "NCT02570373", "title": "A Study to Characterize the Elimination of Guselkumab Glycoform Variants in Healthy Participants", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1" ], "conditions": [ "Healthy" ], "interventions": [ { "name": "Guselkumab", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Janssen Research & Development, LLC", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": "55 Years", "sex": "ALL", "summary": "18 Years to 55 Years" }, "enrollment_count": 8, "start_date": "2015-09-25", "completion_date": "2016-01-12", "has_results": false, "last_update_posted_date": "2025-02-03", "last_synced_at": "2026-09-13T07:03:51.225Z", "location_count": 1, "location_summary": "Tempe, Arizona", "locations": [ { "city": "Tempe", "state": "Arizona" } ], "official_url": "https://clinicaltrials.gov/study/NCT02570373" }, { "nct_id": "NCT03573323", "title": "A Study of Ixekizumab (LY2439821) Compared to Guselkumab in Participants With Moderate-to-Severe Plaque Psoriasis", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE4" ], "conditions": [ "Plaque Psoriasis" ], "interventions": [ { "name": "Ixekizumab", "type": "DRUG" }, { "name": "Guselkumab", "type": "DRUG" }, { "name": "Placebo", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Eli Lilly and Company", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 1027, "start_date": "2018-11-09", "completion_date": "2020-01-08", "has_results": true, "last_update_posted_date": "2020-07-28", "last_synced_at": "2026-09-13T07:03:51.225Z", "location_count": 98, "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Scottsdale, Arizona + 82 more", "locations": [ { "city": "Birmingham", "state": "Alabama" }, { "city": "Birmingham", "state": "Alabama" }, { "city": "Phoenix", "state": "Arizona" }, { "city": "Scottsdale", "state": "Arizona" }, { "city": "Fort Smith", "state": "Arkansas" } ], "official_url": "https://clinicaltrials.gov/study/NCT03573323" }, { "nct_id": "NCT05272150", "title": "Study of Guselkumab in Skin of Color Participants With Moderate-to-severe Plaque and/or Scalp Psoriasis", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Plaque Psoriasis", "Scalp Psoriasis" ], "interventions": [ { "name": "Guselkumab", "type": "DRUG" }, { "name": "Placebo", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Janssen Research & Development, LLC", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 211, "start_date": "2022-07-13", "completion_date": "2025-05-30", "has_results": true, "last_update_posted_date": "2026-06-24", "last_synced_at": "2026-09-13T07:03:51.225Z", "location_count": 79, "location_summary": "Birmingham, Alabama • Beverly Hills, California • Encinitas, California + 67 more", "locations": [ { "city": "Birmingham", "state": "Alabama" }, { "city": "Birmingham", "state": "Alabama" }, { "city": "Beverly Hills", "state": "California" }, { "city": "Encinitas", "state": "California" }, { "city": "Fountain Valley", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT05272150" }, { "nct_id": "NCT02905331", "title": "Efficacy and Safety Study of Guselkumab in the Treatment of Participants With Moderate to Severe Plaque-Type Psoriasis", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Psoriasis" ], "interventions": [ { "name": "Guselkumab", "type": "DRUG" }, { "name": "Placebo", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Janssen Research & Development, LLC", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 78, "start_date": "2017-02-28", "completion_date": "2018-02-06", "has_results": true, "last_update_posted_date": "2025-02-04", "last_synced_at": "2026-09-13T07:03:51.225Z", "location_count": 8, "location_summary": "Ocala, Florida • Rolling Meadows, Illinois • Plainfield, Indiana + 5 more", "locations": [ { "city": "Ocala", "state": "Florida" }, { "city": "Rolling Meadows", "state": "Illinois" }, { "city": "Plainfield", "state": "Indiana" }, { "city": "Louisville", "state": "Kentucky" }, { "city": "Fort Gratiot", "state": "Michigan" } ], "official_url": "https://clinicaltrials.gov/study/NCT02905331" }, { "nct_id": "NCT03451851", "title": "A Study to Evaluate the Efficacy, Safety, and Pharmacokinetics of Subcutaneously Administered Guselkumab for the Treatment of Chronic Plaque Psoriasis in Pediatric Participants", "overall_status": "ACTIVE_NOT_RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Psoriasis" ], "interventions": [ { "name": "Guselkumab", "type": "DRUG" }, { "name": "Placebo for guselkumab", "type": "DRUG" }, { "name": "Etanercept", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Janssen Research & Development, LLC", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "6 Years", "maximum_age": "17 Years", "sex": "ALL", "summary": "6 Years to 17 Years" }, "enrollment_count": 120, "start_date": "2018-07-11", "completion_date": "2026-12-18", "has_results": true, "last_update_posted_date": "2026-08-31", "last_synced_at": "2026-09-13T07:03:51.225Z", "location_count": 10, "location_summary": "Palo Alto, California • San Diego, California • Macon, Georgia + 7 more", "locations": [ { "city": "Palo Alto", "state": "California" }, { "city": "San Diego", "state": "California" }, { "city": "Macon", "state": "Georgia" }, { "city": "Chicago", "state": "Illinois" }, { "city": "Rolling Meadows", "state": "Illinois" } ], "official_url": "https://clinicaltrials.gov/study/NCT03451851" } ] }