{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Moderna+Booster+Vaccine", "query": { "intervention": "Moderna Booster Vaccine" }, "page_size": 10 }, "pagination": { "page": 1, "page_size": 10, "total_count": 27, "total_pages": 3, "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Moderna+Booster+Vaccine&page=2&page_size=10", "previous_page_url": null }, "source": "remote", "last_synced_at": "2026-09-22T23:13:03.677Z", "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": "NCT05268185", "title": "The BOOSTED (Booster Options Or Switching Tested for Effectiveness and Downsides Study) Trial (COVID-19)", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "COVID-19", "Vaccine Reaction", "COVID-19 Pandemic" ], "interventions": [ { "name": "Moderna Booster Vaccine", "type": "BEHAVIORAL" }, { "name": "Pfizer Booster Vaccine", "type": "BEHAVIORAL" } ], "intervention_types": [ "BEHAVIORAL" ], "sponsor": "University of California, San Francisco", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 301, "start_date": "2022-01-18", "completion_date": "2023-01-18", "has_results": false, "last_update_posted_date": "2023-02-03", "last_synced_at": "2026-09-22T23:13:03.677Z", "location_count": 1, "location_summary": "San Francisco, California", "locations": [ { "city": "San Francisco", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT05268185" }, { "nct_id": "NCT05000216", "title": "COVID-19 Booster Vaccine in Autoimmune Disease Non-Responders", "overall_status": "TERMINATED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Rheumatoid Arthritis (RA)", "Systemic Lupus Erythematosus (SLE)", "Pemphigus Vulgaris", "Multiple Sclerosis (MS)", "Systemic Sclerosis (SSc)", "Pediatric SLE", "Juvenile Idiopathic Arthritis (JIA)", "Juvenile Dermatomyositis (JDM)", "Pediatric-Onset Multiple Sclerosis (POMS)" ], "interventions": [ { "name": "Moderna mRNA-1273", "type": "BIOLOGICAL" }, { "name": "BNT162b2", "type": "BIOLOGICAL" }, { "name": "Ad26.COV2.S", "type": "BIOLOGICAL" }, { "name": "Continue IS (MMF or MPA)", "type": "DRUG" }, { "name": "Continue IS (MTX)", "type": "DRUG" }, { "name": "Continue IS (B cell depletion therapy)", "type": "BIOLOGICAL" }, { "name": "Monovalent [B.1.351] CoV2 preS dTM-AS03", "type": "BIOLOGICAL" }, { "name": "Withhold IS (MMF or MPA)", "type": "DRUG" }, { "name": "Withhold IS (MTX)", "type": "DRUG" }, { "name": "Withhold IS (B cell depletion therapy)", "type": "DRUG" }, { "name": "Moderna mRNA-1273, Bivalent", "type": "BIOLOGICAL" }, { "name": "BNT162b2, Bivalent", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL", "DRUG" ], "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)", "sponsor_class": "NIH", "healthy_volunteers": false, "eligibility": { "minimum_age": "2 Years", "maximum_age": null, "sex": "ALL", "summary": "2 Years and older" }, "enrollment_count": 258, "start_date": "2021-08-13", "completion_date": "2024-03-28", "has_results": true, "last_update_posted_date": "2026-06-10", "last_synced_at": "2026-09-22T23:13:03.677Z", "location_count": 29, "location_summary": "Los Angeles, California • New Haven, Connecticut • Atlanta, Georgia + 18 more", "locations": [ { "city": "Los Angeles", "state": "California" }, { "city": "New Haven", "state": "Connecticut" }, { "city": "Atlanta", "state": "Georgia" }, { "city": "Indianapolis", "state": "Indiana" }, { "city": "Boston", "state": "Massachusetts" } ], "official_url": "https://clinicaltrials.gov/study/NCT05000216" }, { "nct_id": "NCT04860297", "title": "A Study to Evaluate Safety and Immunogenicity of mRNA-1273 Vaccine to Prevent COVID-19 in Adult Organ Transplant Recipients and in Healthy Adult Participants", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "SARS-CoV-2" ], "interventions": [ { "name": "mRNA-1273", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL" ], "sponsor": "ModernaTX, Inc.", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 234, "start_date": "2021-04-16", "completion_date": "2023-05-22", "has_results": true, "last_update_posted_date": "2024-06-18", "last_synced_at": "2026-09-22T23:13:03.677Z", "location_count": 15, "location_summary": "Mesa, Arizona • San Diego, California • New Haven, Connecticut + 12 more", "locations": [ { "city": "Mesa", "state": "Arizona" }, { "city": "San Diego", "state": "California" }, { "city": "New Haven", "state": "Connecticut" }, { "city": "Tampa", "state": "Florida" }, { "city": "Atlanta", "state": "Georgia" } ], "official_url": "https://clinicaltrials.gov/study/NCT04860297" }, { "nct_id": "NCT04405076", "title": "Dose-Confirmation Study to Evaluate the Safety, Reactogenicity, and Immunogenicity of mRNA-1273 COVID-19 Vaccine in Adults Aged 18 Years and Older", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "SARS-CoV-2" ], "interventions": [ { "name": "Biological: mRNA-1273", "type": "BIOLOGICAL" }, { "name": "Placebo", "type": "BIOLOGICAL" }, { "name": "mRNA-1273.351", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL" ], "sponsor": "ModernaTX, Inc.", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 660, "start_date": "2020-05-29", "completion_date": "2021-10-28", "has_results": true, "last_update_posted_date": "2022-12-30", "last_synced_at": "2026-09-22T23:13:03.677Z", "location_count": 8, "location_summary": "Savannah, Georgia • Newton, Kansas • Kansas City, Missouri + 5 more", "locations": [ { "city": "Savannah", "state": "Georgia" }, { "city": "Newton", "state": "Kansas" }, { "city": "Kansas City", "state": "Missouri" }, { "city": "Norfolk", "state": "Nebraska" }, { "city": "Wilmington", "state": "North Carolina" } ], "official_url": "https://clinicaltrials.gov/study/NCT04405076" }, { "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": "2026-09-22T23:13:03.677Z", "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": "NCT05077254", "title": "COVID Protection After Transplant-Immunosuppression Reduction", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Kidney Transplant Recipients", "Liver Transplant Recipients" ], "interventions": [ { "name": "Pfizer-BioNTech COVID-19 Vaccine 2023-2024", "type": "BIOLOGICAL" }, { "name": "Moderna COVID-19 Vaccine 2023-2024", "type": "BIOLOGICAL" }, { "name": "SOC IS Regimen", "type": "DRUG" }, { "name": "SOC IS Reduction", "type": "DRUG" } ], "intervention_types": [ "BIOLOGICAL", "DRUG" ], "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)", "sponsor_class": "NIH", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 48, "start_date": "2021-12-06", "completion_date": "2025-02-21", "has_results": true, "last_update_posted_date": "2026-04-23", "last_synced_at": "2026-09-22T23:13:03.677Z", "location_count": 15, "location_summary": "San Diego, California • San Francisco, California • Atlanta, Georgia + 10 more", "locations": [ { "city": "San Diego", "state": "California" }, { "city": "San Francisco", "state": "California" }, { "city": "Atlanta", "state": "Georgia" }, { "city": "Chicago", "state": "Illinois" }, { "city": "Evanston", "state": "Illinois" } ], "official_url": "https://clinicaltrials.gov/study/NCT05077254" }, { "nct_id": "NCT04977479", "title": "The Safety of Administering a Second Dose of a COVID-19 mRNA Vaccine in Individuals Who Experienced a Systemic Allergic Reaction to an Initial Dose", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Systemic Allergic Reaction" ], "interventions": [ { "name": "Pfizer-BioNTech COVID-19 Vaccine (Comirnaty)", "type": "BIOLOGICAL" }, { "name": "Placebo", "type": "OTHER" }, { "name": "Pfizer-BioNTech COVID-19 Vaccine, Bivalent", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL", "OTHER" ], "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)", "sponsor_class": "NIH", "healthy_volunteers": false, "eligibility": { "minimum_age": "16 Years", "maximum_age": "69 Years", "sex": "ALL", "summary": "16 Years to 69 Years" }, "enrollment_count": 20, "start_date": "2021-09-08", "completion_date": "2023-02-22", "has_results": true, "last_update_posted_date": "2023-10-16", "last_synced_at": "2026-09-22T23:13:03.677Z", "location_count": 1, "location_summary": "Bethesda, Maryland", "locations": [ { "city": "Bethesda", "state": "Maryland" } ], "official_url": "https://clinicaltrials.gov/study/NCT04977479" }, { "nct_id": "NCT05518487", "title": "COVID Protection After Transplant - Sanofi GSK (CPAT-SG) Study", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "COVID-19", "Kidney Transplant" ], "interventions": [ { "name": "Sanofi-GSK monovalent (B.1.351) CoV2 preS dTM-AS03 COVID-19 vaccine", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL" ], "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)", "sponsor_class": "NIH", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 15, "start_date": "2023-02-20", "completion_date": "2024-11-06", "has_results": true, "last_update_posted_date": "2025-06-25", "last_synced_at": "2026-09-22T23:13:03.677Z", "location_count": 6, "location_summary": "San Diego, California • San Francisco, California • Atlanta, Georgia + 3 more", "locations": [ { "city": "San Diego", "state": "California" }, { "city": "San Francisco", "state": "California" }, { "city": "Atlanta", "state": "Georgia" }, { "city": "Chicago", "state": "Illinois" }, { "city": "Baltimore", "state": "Maryland" } ], "official_url": "https://clinicaltrials.gov/study/NCT05518487" }, { "nct_id": "NCT05137236", "title": "A Study to Evaluate the Immunogenicity and Safety of mRNA-1283 COVID-19 Vaccine Boosters", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "SARS-CoV-2" ], "interventions": [ { "name": "mRNA-1283", "type": "BIOLOGICAL" }, { "name": "mRNA-1283.211", "type": "BIOLOGICAL" }, { "name": "mRNA-1273", "type": "BIOLOGICAL" }, { "name": "mRNA-1283.529", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL" ], "sponsor": "ModernaTX, Inc.", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 540, "start_date": "2021-12-06", "completion_date": "2023-03-23", "has_results": true, "last_update_posted_date": "2025-07-17", "last_synced_at": "2026-09-22T23:13:03.677Z", "location_count": 17, "location_summary": "Phoenix, Arizona • Hollywood, Florida • Sunrise, Florida + 13 more", "locations": [ { "city": "Phoenix", "state": "Arizona" }, { "city": "Hollywood", "state": "Florida" }, { "city": "Sunrise", "state": "Florida" }, { "city": "Chamblee", "state": "Georgia" }, { "city": "Metairie", "state": "Louisiana" } ], "official_url": "https://clinicaltrials.gov/study/NCT05137236" }, { "nct_id": "NCT04878211", "title": "A Open-label Study to Assess Response to COVID-19 Vaccine in Multiple Sclerosis Participants Treated With Ofatumumab", "overall_status": "TERMINATED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE4" ], "conditions": [ "Relapsing Multiple Sclerosis (RMS)" ], "interventions": [ { "name": "Ofatumumab", "type": "DRUG" }, { "name": "mRNA COVID-19 vaccine", "type": "BIOLOGICAL" }, { "name": "interferon or glatiramer acetate", "type": "DRUG" } ], "intervention_types": [ "DRUG", "BIOLOGICAL" ], "sponsor": "Novartis Pharmaceuticals", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "55 Years", "sex": "ALL", "summary": "18 Years to 55 Years" }, "enrollment_count": 24, "start_date": "2021-06-10", "completion_date": "2023-04-14", "has_results": true, "last_update_posted_date": "2025-05-16", "last_synced_at": "2026-09-22T23:13:03.677Z", "location_count": 7, "location_summary": "Phoenix, Arizona • Hollywood, Florida • Wellesley, Massachusetts + 4 more", "locations": [ { "city": "Phoenix", "state": "Arizona" }, { "city": "Hollywood", "state": "Florida" }, { "city": "Wellesley", "state": "Massachusetts" }, { "city": "Plymouth", "state": "Minnesota" }, { "city": "St Louis", "state": "Missouri" } ], "official_url": "https://clinicaltrials.gov/study/NCT04878211" } ] }