{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?sponsor=Janssen+Vaccines+%26+Prevention+B.V.", "query": { "sponsor": "Janssen Vaccines & Prevention B.V." }, "page_size": 10 }, "pagination": { "page": 1, "page_size": 10, "total_count": 34, "total_pages": 4, "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?sponsor=Janssen+Vaccines+%26+Prevention+B.V.&page=2&page_size=10", "previous_page_url": null }, "source": "remote", "last_synced_at": "2026-10-12T07:38:20.452Z", "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": "NCT05070546", "title": "A Study of an Ad26.RSV. preF-based Vaccine in Adults Aged 18 to 59 Years, Including Adults at High Risk for Severe RSV Infection", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Respiratory Syncytial Virus Infection Prevention" ], "interventions": [ { "name": "Ad26.RSV.preF-based Vaccine", "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": 1124, "start_date": "2021-09-29", "completion_date": "2022-08-12", "has_results": true, "last_update_posted_date": "2025-05-25", "last_synced_at": "2026-10-12T07:38:20.452Z", "location_count": 7, "location_summary": "Coral Gables, Florida • Miami, Florida • El Dorado, Kansas + 4 more", "locations": [ { "city": "Coral Gables", "state": "Florida" }, { "city": "Miami", "state": "Florida" }, { "city": "El Dorado", "state": "Kansas" }, { "city": "New Orleans", "state": "Louisiana" }, { "city": "Rockville", "state": "Maryland" } ], "official_url": "https://clinicaltrials.gov/study/NCT05070546" }, { "nct_id": "NCT02325050", "title": "A Safety and Immunogenicity Study of Heterologous and Homologous Prime-Boost Ebola Vaccine Regimens in Healthy Participants", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1" ], "conditions": [ "Healthy" ], "interventions": [ { "name": "MVA-BN-Filo", "type": "BIOLOGICAL" }, { "name": "Ad26. ZEBOV", "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": "50 Years", "sex": "ALL", "summary": "18 Years to 50 Years" }, "enrollment_count": 164, "start_date": "2015-01-08", "completion_date": "2017-05-08", "has_results": false, "last_update_posted_date": "2017-06-14", "last_synced_at": "2026-10-12T07:38:20.452Z", "location_count": 1, "location_summary": "Rockville, Maryland", "locations": [ { "city": "Rockville", "state": "Maryland" } ], "official_url": "https://clinicaltrials.gov/study/NCT02325050" }, { "nct_id": "NCT05071313", "title": "A Study of an Ad26.RSV.preF-based Vaccine and High-dose Seasonal Influenza Vaccine, With and Without Coadministration, in Adults Aged 65 Years and Older", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Influenza, Human Prevention", "Respiratory Syncytial Viruses Prevention" ], "interventions": [ { "name": "Ad26.RSV.preF-based vaccine", "type": "BIOLOGICAL" }, { "name": "Quadrivalent High-dose Influenza Vaccine", "type": "BIOLOGICAL" }, { "name": "Placebo", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL" ], "sponsor": "Janssen Vaccines & Prevention B.V.", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "65 Years", "maximum_age": null, "sex": "ALL", "summary": "65 Years and older" }, "enrollment_count": 777, "start_date": "2021-10-04", "completion_date": "2022-10-11", "has_results": true, "last_update_posted_date": "2025-05-25", "last_synced_at": "2026-10-12T07:38:20.452Z", "location_count": 19, "location_summary": "Long Beach, California • Hollywood, Florida • Port Orange, Florida + 14 more", "locations": [ { "city": "Long Beach", "state": "California" }, { "city": "Hollywood", "state": "Florida" }, { "city": "Port Orange", "state": "Florida" }, { "city": "The Villages", "state": "Florida" }, { "city": "Chicago", "state": "Illinois" } ], "official_url": "https://clinicaltrials.gov/study/NCT05071313" }, { "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": "2026-10-12T07:38:20.452Z", "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": "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": "2026-10-12T07:38:20.452Z", "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" }, { "nct_id": "NCT05083585", "title": "A Study Evaluating the Immunogenicity of Different Clinical Trial Materials of Ad26.RSV.preF- Based Vaccine in Adults Aged 60 - 75 Years Old", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Respiratory Syncytial Virus Prevention" ], "interventions": [ { "name": "Ad26.RSV.preF-based vaccine", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL" ], "sponsor": "Janssen Vaccines & Prevention B.V.", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": "60 Years", "maximum_age": "75 Years", "sex": "ALL", "summary": "60 Years to 75 Years" }, "enrollment_count": 250, "start_date": "2021-10-08", "completion_date": "2022-09-22", "has_results": true, "last_update_posted_date": "2025-05-25", "last_synced_at": "2026-10-12T07:38:20.452Z", "location_count": 9, "location_summary": "San Diego, California • Lakeland, Florida • Melbourne, Florida + 4 more", "locations": [ { "city": "San Diego", "state": "California" }, { "city": "San Diego", "state": "California" }, { "city": "Lakeland", "state": "Florida" }, { "city": "Melbourne", "state": "Florida" }, { "city": "Miami", "state": "Florida" } ], "official_url": "https://clinicaltrials.gov/study/NCT05083585" }, { "nct_id": "NCT03339713", "title": "A Study to Evaluate the Safety and Immunogenicity of Seasonal Influenza Vaccine and an Adenovirus Serotype 26- Based Vaccine Encoding for the Respiratory Syncytial Virus Pre-fusion F Protein (Ad26.RSV.preF), With and Without Co-administration, in Adults Aged 60 Years and Older in Stable Health", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Healthy" ], "interventions": [ { "name": "Ad26.RSV.preF", "type": "BIOLOGICAL" }, { "name": "Fluarix", "type": "BIOLOGICAL" }, { "name": "Placebo", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL" ], "sponsor": "Janssen Vaccines & Prevention B.V.", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": "60 Years", "maximum_age": null, "sex": "ALL", "summary": "60 Years and older" }, "enrollment_count": 180, "start_date": "2017-12-07", "completion_date": "2018-07-23", "has_results": true, "last_update_posted_date": "2025-02-04", "last_synced_at": "2026-10-12T07:38:20.452Z", "location_count": 1, "location_summary": "Mt. Pleasant, South Carolina", "locations": [ { "city": "Mt. Pleasant", "state": "South Carolina" } ], "official_url": "https://clinicaltrials.gov/study/NCT03339713" }, { "nct_id": "NCT04999111", "title": "A Study of Ad26.COV2.S Administered as Booster Vaccination in Adults Who Have Previously Received Primary Vaccination With Ad26.COV2.S or BNT162b2", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Coronavirus Disease" ], "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": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 1541, "start_date": "2021-08-06", "completion_date": "2022-11-22", "has_results": true, "last_update_posted_date": "2025-02-04", "last_synced_at": "2026-10-12T07:38:20.452Z", "location_count": 21, "location_summary": "Phoenix, Arizona • Tucson, Arizona • Anaheim, California + 17 more", "locations": [ { "city": "Phoenix", "state": "Arizona" }, { "city": "Tucson", "state": "Arizona" }, { "city": "Anaheim", "state": "California" }, { "city": "Long Beach", "state": "California" }, { "city": "North Hollywood", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT04999111" }, { "nct_id": "NCT04765384", "title": "A Study of Ad26.COV2.S in Healthy Pregnant Participants (COVID-19)", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "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": "45 Years", "sex": "FEMALE", "summary": "18 Years to 45 Years · Female only" }, "enrollment_count": 51, "start_date": "2021-08-27", "completion_date": "2023-11-24", "has_results": true, "last_update_posted_date": "2025-05-25", "last_synced_at": "2026-10-12T07:38:20.452Z", "location_count": 4, "location_summary": "Gulfport, Mississippi • Norfolk, Nebraska • Albuquerque, New Mexico + 1 more", "locations": [ { "city": "Gulfport", "state": "Mississippi" }, { "city": "Norfolk", "state": "Nebraska" }, { "city": "Albuquerque", "state": "New Mexico" }, { "city": "League City", "state": "Texas" } ], "official_url": "https://clinicaltrials.gov/study/NCT04765384" }, { "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": "2026-10-12T07:38:20.452Z", "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" } ] }