{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Ad26.COV2.S", "query": { "intervention": "Ad26.COV2.S" }, "page_size": 10 }, "pagination": { "page": 1, "page_size": 10, "total_count": 17, "total_pages": 2, "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Ad26.COV2.S&page=2&page_size=10", "previous_page_url": null }, "source": "remote", "last_synced_at": "2026-09-04T19:51:06.533Z", "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": "NCT05220397", "title": "Janssen Ad26.CoV2.S Vaccine Booster in Kidney Transplant Recipients", "overall_status": "TERMINATED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Kidney Transplant Recipient" ], "interventions": [ { "name": "Janssen Ad26.CoV2.S Vaccine", "type": "BIOLOGICAL" }, { "name": "Reduction in Immunosuppression Medication", "type": "OTHER" }, { "name": "Maintenance in Immunosuppression Medication", "type": "OTHER" } ], "intervention_types": [ "BIOLOGICAL", "OTHER" ], "sponsor": "Mark Stegall", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 468, "start_date": "2022-04-11", "completion_date": "2025-02-28", "has_results": true, "last_update_posted_date": "2025-09-15", "last_synced_at": "2026-09-04T19:51:06.533Z", "location_count": 3, "location_summary": "Phoenix, Arizona • Jacksonville, Florida • Rochester, Minnesota", "locations": [ { "city": "Phoenix", "state": "Arizona" }, { "city": "Jacksonville", "state": "Florida" }, { "city": "Rochester", "state": "Minnesota" } ], "official_url": "https://clinicaltrials.gov/study/NCT05220397" }, { "nct_id": "NCT04889209", "title": "Delayed Heterologous SARS-CoV-2 Vaccine Dosing (Boost) After Receipt of EUA Vaccines", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1", "PHASE2" ], "conditions": [ "COVID-19" ], "interventions": [ { "name": "Ad26.COV2.S", "type": "BIOLOGICAL" }, { "name": "BNT162b2", "type": "BIOLOGICAL" }, { "name": "mRNA-1273", "type": "BIOLOGICAL" }, { "name": "mRNA-1273.211", "type": "BIOLOGICAL" }, { "name": "mRNA-1273.222", "type": "BIOLOGICAL" }, { "name": "SARS-CoV-2 rS/M1", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL" ], "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)", "sponsor_class": "NIH", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": "99 Years", "sex": "ALL", "summary": "18 Years to 99 Years" }, "enrollment_count": 867, "start_date": "2021-05-28", "completion_date": "2023-06-16", "has_results": true, "last_update_posted_date": "2025-04-20", "last_synced_at": "2026-09-04T19:51:06.533Z", "location_count": 10, "location_summary": "Decatur, Georgia • Baltimore, Maryland • New York, New York + 6 more", "locations": [ { "city": "Decatur", "state": "Georgia" }, { "city": "Baltimore", "state": "Maryland" }, { "city": "New York", "state": "New York" }, { "city": "Rochester", "state": "New York" }, { "city": "Cincinnati", "state": "Ohio" } ], "official_url": "https://clinicaltrials.gov/study/NCT04889209" }, { "nct_id": "NCT05091307", "title": "A Study of Ad26.COV2.S and Influenza Vaccines in Healthy Adults", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "COVID-19 Prevention" ], "interventions": [ { "name": "Ad26.COV2.S", "type": "BIOLOGICAL" }, { "name": "Placebo", "type": "OTHER" }, { "name": "Influenza Vaccine", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL", "OTHER" ], "sponsor": "Janssen Vaccines & Prevention B.V.", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 861, "start_date": "2021-11-02", "completion_date": "2022-11-15", "has_results": true, "last_update_posted_date": "2025-05-25", "last_synced_at": "2026-09-04T19:51:06.533Z", "location_count": 17, "location_summary": "Tempe, Arizona • San Diego, California • Coral Gables, Florida + 12 more", "locations": [ { "city": "Tempe", "state": "Arizona" }, { "city": "San Diego", "state": "California" }, { "city": "Coral Gables", "state": "Florida" }, { "city": "Fort Myers", "state": "Florida" }, { "city": "Miami", "state": "Florida" } ], "official_url": "https://clinicaltrials.gov/study/NCT05091307" }, { "nct_id": "NCT04908722", "title": "A Study to Evaluate Dose Levels of Ad26.COV2.S Administered as a Two-dose Schedule in Healthy Adults", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "COVID-19 Prevention" ], "interventions": [ { "name": "Ad26.COV2.S", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL" ], "sponsor": "Janssen Vaccines & Prevention B.V.", "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": 1609, "start_date": "2021-06-18", "completion_date": "2023-07-10", "has_results": true, "last_update_posted_date": "2025-02-04", "last_synced_at": "2026-09-04T19:51:06.533Z", "location_count": 18, "location_summary": "Little Rock, Arkansas • Anaheim, California • Long Beach, California + 15 more", "locations": [ { "city": "Little Rock", "state": "Arkansas" }, { "city": "Anaheim", "state": "California" }, { "city": "Long Beach", "state": "California" }, { "city": "Redding", "state": "California" }, { "city": "San Diego", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT04908722" }, { "nct_id": "NCT04832932", "title": "The COVID-19 Back-to-Normal Study: Analysis of Multiple Outcomes", "overall_status": "UNKNOWN", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "COVID-19 Vaccines" ], "interventions": [ { "name": "COVID-19 vaccines", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL" ], "sponsor": "Mebo Research, Inc.", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 2000, "start_date": "2021-01-05", "completion_date": "2025-01-05", "has_results": false, "last_update_posted_date": "2024-01-26", "last_synced_at": "2026-09-04T19:51:06.533Z", "location_count": 2, "location_summary": "Miami, Florida • Vonore, Tennessee", "locations": [ { "city": "Miami", "state": "Florida" }, { "city": "Vonore", "state": "Tennessee" } ], "official_url": "https://clinicaltrials.gov/study/NCT04832932" }, { "nct_id": "NCT05047640", "title": "COVID-19 3rd Dose Vaccine in Transplant Patients", "overall_status": "TERMINATED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Covid19" ], "interventions": [ { "name": "BNT162b2 vaccine", "type": "BIOLOGICAL" }, { "name": "JNJ-78436735 Vaccine", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL" ], "sponsor": "Giselle Guerra", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 58, "start_date": "2021-09-14", "completion_date": "2022-10-25", "has_results": true, "last_update_posted_date": "2024-06-04", "last_synced_at": "2026-09-04T19:51:06.533Z", "location_count": 1, "location_summary": "Miami, Florida", "locations": [ { "city": "Miami", "state": "Florida" } ], "official_url": "https://clinicaltrials.gov/study/NCT05047640" }, { "nct_id": "NCT04436276", "title": "A Study of Ad26.COV2.S in Adults (COVID-19)", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1", "PHASE2" ], "conditions": [ "Covid-19 Prevention" ], "interventions": [ { "name": "Ad26.COV2.S", "type": "BIOLOGICAL" }, { "name": "Placebo", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL" ], "sponsor": "Janssen Vaccines & Prevention B.V.", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 1085, "start_date": "2020-07-15", "completion_date": "2023-02-21", "has_results": true, "last_update_posted_date": "2025-02-04", "last_synced_at": "2026-09-04T19:51:06.533Z", "location_count": 7, "location_summary": "San Diego, California • Melbourne, Florida • Peoria, Illinois + 4 more", "locations": [ { "city": "San Diego", "state": "California" }, { "city": "Melbourne", "state": "Florida" }, { "city": "Peoria", "state": "Illinois" }, { "city": "Rockville", "state": "Maryland" }, { "city": "Boston", "state": "Massachusetts" } ], "official_url": "https://clinicaltrials.gov/study/NCT04436276" }, { "nct_id": "NCT01375205", "title": "Comparing Cetaphil Restoraderm System Versus Standard Skin Care in Infants", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Atopic Dermatitis" ], "interventions": [ { "name": "Cetaphil Restoraderm", "type": "OTHER" }, { "name": "Standard of Care", "type": "OTHER" } ], "intervention_types": [ "OTHER" ], "sponsor": "Oregon Health and Science University", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "1 Day", "maximum_age": "3 Weeks", "sex": "ALL", "summary": "1 Day to 3 Weeks" }, "enrollment_count": 100, "start_date": "2011-06", "completion_date": "2015-11", "has_results": true, "last_update_posted_date": "2020-02-12", "last_synced_at": "2026-09-04T19:51:06.533Z", "location_count": 1, "location_summary": "Portland, Oregon", "locations": [ { "city": "Portland", "state": "Oregon" } ], "official_url": "https://clinicaltrials.gov/study/NCT01375205" }, { "nct_id": "NCT05007860", "title": "Vaccine Responsiveness in Patients With Chronic Lymphocytic Leukemia", "overall_status": "COMPLETED", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Chronic Lymphocytic Leukemia/Small Lymphocytic Lymphoma" ], "interventions": [ { "name": "PCV13 vaccine and any of the FDA-approved COVID-19 vaccine products (BNT162b2, mRNA-1273, or Ad26.COV2.S) based on local availability.", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL" ], "sponsor": "Massachusetts General Hospital", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 36, "start_date": "2020-07-16", "completion_date": "2023-06-30", "has_results": false, "last_update_posted_date": "2023-07-07", "last_synced_at": "2026-09-04T19:51:06.533Z", "location_count": 1, "location_summary": "Boston, Massachusetts", "locations": [ { "city": "Boston", "state": "Massachusetts" } ], "official_url": "https://clinicaltrials.gov/study/NCT05007860" }, { "nct_id": "NCT04614948", "title": "A Study of Ad26.COV2.S for the Prevention of SARS-CoV-2-mediated COVID-19 in Adults", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Participants With or Without Stable Co-morbidities Associated With Progression to Severe COVID-19" ], "interventions": [ { "name": "Ad26.COV2.S", "type": "BIOLOGICAL" }, { "name": "Placebo", "type": "OTHER" } ], "intervention_types": [ "BIOLOGICAL", "OTHER" ], "sponsor": "Janssen Vaccines & Prevention B.V.", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 31835, "start_date": "2020-11-12", "completion_date": "2023-06-18", "has_results": true, "last_update_posted_date": "2025-02-04", "last_synced_at": "2026-09-04T19:51:06.533Z", "location_count": 63, "location_summary": "Vestavia Hills, Alabama • Phoenix, Arizona • Tucson, Arizona + 53 more", "locations": [ { "city": "Vestavia Hills", "state": "Alabama" }, { "city": "Phoenix", "state": "Arizona" }, { "city": "Phoenix", "state": "Arizona" }, { "city": "Tucson", "state": "Arizona" }, { "city": "Tucson", "state": "Arizona" } ], "official_url": "https://clinicaltrials.gov/study/NCT04614948" } ] }