{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Investigational+COVID-19+Vaccine+2&page=2", "query": { "intervention": "Investigational COVID-19 Vaccine 2", "page": 2 }, "page_size": 10 }, "pagination": { "page": 2, "page_size": 10, "total_count": 25, "total_pages": 3, "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Investigational+COVID-19+Vaccine+2&page=3&page_size=10", "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Investigational+COVID-19+Vaccine+2&page=1&page_size=10" }, "source": "remote", "last_synced_at": "2026-10-08T15:56:49.973Z", "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": "NCT05085613", "title": "Does Framing and Humor Improve the Effectiveness of Messages About COVID-19 Vaccine", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Beliefs" ], "interventions": [ { "name": "Corrective message framing and humor", "type": "BEHAVIORAL" } ], "intervention_types": [ "BEHAVIORAL" ], "sponsor": "Johns Hopkins Bloomberg School of Public Health", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "21 Years", "maximum_age": "99 Years", "sex": "ALL", "summary": "21 Years to 99 Years" }, "enrollment_count": 100, "start_date": "2021-10-31", "completion_date": "2022-03-31", "has_results": true, "last_update_posted_date": "2023-08-21", "last_synced_at": "2026-10-08T15:56:49.973Z", "location_count": 1, "location_summary": "Baltimore, Maryland", "locations": [ { "city": "Baltimore", "state": "Maryland" } ], "official_url": "https://clinicaltrials.gov/study/NCT05085613" }, { "nct_id": "NCT04854980", "title": "Serologic Response to the SARS-CoV-2 (COVID-19) MRNA-1273 Vaccine in Select Subsets of Oncology Patients", "overall_status": "COMPLETED", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Covid19", "Cancer" ], "interventions": [ { "name": "Blood Sample", "type": "OTHER" } ], "intervention_types": [ "OTHER" ], "sponsor": "University of Rochester", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "50 Years", "maximum_age": "75 Years", "sex": "ALL", "summary": "50 Years to 75 Years" }, "enrollment_count": 8, "start_date": "2021-08-03", "completion_date": "2024-07-23", "has_results": false, "last_update_posted_date": "2025-03-30", "last_synced_at": "2026-10-08T15:56:49.973Z", "location_count": 1, "location_summary": "Rochester, New York", "locations": [ { "city": "Rochester", "state": "New York" } ], "official_url": "https://clinicaltrials.gov/study/NCT04854980" }, { "nct_id": "NCT06178991", "title": "A Study to Evaluate the Safety, Tolerability, and Immunogenicity of a Combined Modified RNA Vaccine Candidate Against COVID-19 and Influenza.", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Influenza", "COVID-19" ], "interventions": [ { "name": "Influenza and COVID-19 Combination A", "type": "BIOLOGICAL" }, { "name": "Licensed influenza vaccine", "type": "BIOLOGICAL" }, { "name": "COVID-19 Vaccine", "type": "BIOLOGICAL" }, { "name": "Influenza and COVID-19 Combination B", "type": "BIOLOGICAL" }, { "name": "Placebo", "type": "BIOLOGICAL" }, { "name": "Investigational influenza vaccine", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL" ], "sponsor": "BioNTech SE", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": "64 Years", "sex": "ALL", "summary": "18 Years to 64 Years" }, "enrollment_count": 8795, "start_date": "2023-12-20", "completion_date": "2024-11-26", "has_results": true, "last_update_posted_date": "2025-12-04", "last_synced_at": "2026-10-08T15:56:49.973Z", "location_count": 106, "location_summary": "Athens, Alabama • Birmingham, Alabama • Mobile, Alabama + 76 more", "locations": [ { "city": "Athens", "state": "Alabama" }, { "city": "Birmingham", "state": "Alabama" }, { "city": "Mobile", "state": "Alabama" }, { "city": "Phoenix", "state": "Arizona" }, { "city": "Phoenix", "state": "Arizona" } ], "official_url": "https://clinicaltrials.gov/study/NCT06178991" }, { "nct_id": "NCT06821061", "title": "A Study to Learn About How the Flu and COVID-19 Vaccines Act in Healthy People", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1", "PHASE2" ], "conditions": [ "Influenza", "COVID-19 (Coronavirus Disease 2019)" ], "interventions": [ { "name": "Investigational Influenza Vaccine", "type": "BIOLOGICAL" }, { "name": "Investigational COVID-19 Vaccine", "type": "BIOLOGICAL" }, { "name": "Investigational Influenza and COVID-19 Combination Vaccine", "type": "COMBINATION_PRODUCT" }, { "name": "Licensed Influenza Vaccine 1", "type": "BIOLOGICAL" }, { "name": "Licensed Influenza Vaccine 2", "type": "BIOLOGICAL" }, { "name": "Licensed Influenza Vaccine 3", "type": "BIOLOGICAL" }, { "name": "Licensed COVID-19 Vaccine", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL", "COMBINATION_PRODUCT" ], "sponsor": "BioNTech SE", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 2650, "start_date": "2025-02-10", "completion_date": "2025-12-17", "has_results": false, "last_update_posted_date": "2026-01-26", "last_synced_at": "2026-10-08T15:56:49.973Z", "location_count": 31, "location_summary": "Anaheim, California • Lake Forest, California • Riverside, California + 26 more", "locations": [ { "city": "Anaheim", "state": "California" }, { "city": "Lake Forest", "state": "California" }, { "city": "Riverside", "state": "California" }, { "city": "San Diego", "state": "California" }, { "city": "Walnut Creek", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT06821061" }, { "nct_id": "NCT05107479", "title": "Effectiveness of Interactive Voice Response for COVID-19 Vaccination Training in the Democratic Republic of the Congo", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "COVID-19 Vaccine Knowledge", "COVID-19 Vaccine Beliefs" ], "interventions": [ { "name": "COVID-19 Vaccine IVR Training", "type": "BEHAVIORAL" }, { "name": "Control Condition", "type": "BEHAVIORAL" } ], "intervention_types": [ "BEHAVIORAL" ], "sponsor": "Stanford University", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 8959, "start_date": "2021-11-09", "completion_date": "2022-02-10", "has_results": false, "last_update_posted_date": "2022-02-21", "last_synced_at": "2026-10-08T15:56:49.973Z", "location_count": 1, "location_summary": "Stanford, California", "locations": [ { "city": "Stanford", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT05107479" }, { "nct_id": "NCT04460703", "title": "COVID-19 Vaccine Messaging, Part 1", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Vaccination", "COVID-19" ], "interventions": [ { "name": "Control message", "type": "OTHER" }, { "name": "Baseline message", "type": "OTHER" }, { "name": "Personal freedom message", "type": "OTHER" }, { "name": "Economic freedom message", "type": "OTHER" }, { "name": "Self-interest message", "type": "OTHER" }, { "name": "Community interest message", "type": "OTHER" }, { "name": "Economic benefit message", "type": "OTHER" }, { "name": "Guilt message", "type": "OTHER" }, { "name": "Embarrassment message", "type": "OTHER" }, { "name": "Anger message", "type": "OTHER" }, { "name": "Trust in science message", "type": "OTHER" }, { "name": "Not bravery message", "type": "OTHER" } ], "intervention_types": [ "OTHER" ], "sponsor": "Yale University", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 4000, "start_date": "2020-07-03", "completion_date": "2020-07-08", "has_results": false, "last_update_posted_date": "2022-05-05", "last_synced_at": "2026-10-08T15:56:49.973Z", "location_count": 1, "location_summary": "New Haven, Connecticut", "locations": [ { "city": "New Haven", "state": "Connecticut" } ], "official_url": "https://clinicaltrials.gov/study/NCT04460703" }, { "nct_id": "NCT06672055", "title": "A Study to Evaluate VXA-CoV2-3.3 COVID-19 Vaccine Against Currently Approved/Authorized mRNA COVID-19 Injectable Booster Vaccine in Adults Previously Immunized Against COVID-19 Infection", "overall_status": "ACTIVE_NOT_RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "SARS-CoV2", "COVID-19" ], "interventions": [ { "name": "VXA-CoV2-3.1", "type": "BIOLOGICAL" }, { "name": "COMIRNATY®", "type": "BIOLOGICAL" }, { "name": "VXA-CoV2-3.3", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL" ], "sponsor": "Vaxart", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 5485, "start_date": "2024-10-08", "completion_date": "2027-05", "has_results": false, "last_update_posted_date": "2026-06-25", "last_synced_at": "2026-10-08T15:56:49.973Z", "location_count": 145, "location_summary": "Anniston, Alabama • Birmingham, Alabama • Mobile, Alabama + 126 more", "locations": [ { "city": "Anniston", "state": "Alabama" }, { "city": "Birmingham", "state": "Alabama" }, { "city": "Mobile", "state": "Alabama" }, { "city": "Glendale", "state": "Arizona" }, { "city": "Mesa", "state": "Arizona" } ], "official_url": "https://clinicaltrials.gov/study/NCT06672055" }, { "nct_id": "NCT04798001", "title": "Safety and Immunogenicity of an Intranasal RSV Vaccine Expressing SARS-CoV-2 Spike Protein (COVID-19 Vaccine) in Adults", "overall_status": "UNKNOWN", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1" ], "conditions": [ "Covid19" ], "interventions": [ { "name": "Investigational vaccine against SARS-CoV-2 [MV-014-212] Dosage 1, Single Dose, Intranasal Drops", "type": "BIOLOGICAL" }, { "name": "Investigational vaccine against SARS-CoV-2 [MV-014-212] Dosage 2, Single Dose, Intranasal Drops", "type": "BIOLOGICAL" }, { "name": "Investigational vaccine against SARS-CoV-2 [MV-014-212] Dosage 3, Single Dose, Intranasal Drops", "type": "BIOLOGICAL" }, { "name": "Investigational vaccine against SARS-CoV-2 [MV-014-212] Dosage 3, Two Doses, Intranasal Drops", "type": "BIOLOGICAL" }, { "name": "Investigational vaccine against SARS-CoV-2 [MV-014-212] Dosage 3, Single Dose, Intranasal Spray", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL" ], "sponsor": "Meissa Vaccines, Inc.", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": "69 Years", "sex": "ALL", "summary": "18 Years to 69 Years" }, "enrollment_count": 130, "start_date": "2021-04-12", "completion_date": "2022-10-31", "has_results": false, "last_update_posted_date": "2022-08-02", "last_synced_at": "2026-10-08T15:56:49.973Z", "location_count": 2, "location_summary": "Lenexa, Kansas • Raleigh, North Carolina", "locations": [ { "city": "Lenexa", "state": "Kansas" }, { "city": "Raleigh", "state": "North Carolina" } ], "official_url": "https://clinicaltrials.gov/study/NCT04798001" }, { "nct_id": "NCT06683352", "title": "A Study to Learn About Flu and COVID-19 Vaccine Responses in Healthy People", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1", "PHASE2" ], "conditions": [ "Influenza,Human", "COVID-19" ], "interventions": [ { "name": "Investigational Influenza Vaccine", "type": "BIOLOGICAL" }, { "name": "COVID-19 Vaccine", "type": "BIOLOGICAL" }, { "name": "Investigational Influenza/COVID-19 Vaccine", "type": "COMBINATION_PRODUCT" }, { "name": "Licensed Influenza Vaccine 1", "type": "BIOLOGICAL" }, { "name": "Licensed Influenza Vaccine 2", "type": "BIOLOGICAL" }, { "name": "Placebo", "type": "OTHER" } ], "intervention_types": [ "BIOLOGICAL", "COMBINATION_PRODUCT", "OTHER" ], "sponsor": "BioNTech SE", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 1353, "start_date": "2024-11-11", "completion_date": "2025-07-15", "has_results": true, "last_update_posted_date": "2026-08-19", "last_synced_at": "2026-10-08T15:56:49.973Z", "location_count": 22, "location_summary": "Lake Forest, California • San Diego, California • Walnut Creek, California + 17 more", "locations": [ { "city": "Lake Forest", "state": "California" }, { "city": "San Diego", "state": "California" }, { "city": "Walnut Creek", "state": "California" }, { "city": "Milford", "state": "Connecticut" }, { "city": "Hialeah", "state": "Florida" } ], "official_url": "https://clinicaltrials.gov/study/NCT06683352" }, { "nct_id": "NCT04952402", "title": "SARS-CoV-2 Immune Responses After COVID-19 Therapy and Subsequent Vaccine", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE4" ], "conditions": [ "Covid19", "SARS-CoV2 Infection" ], "interventions": [ { "name": "Study-provided Moderna mRNA-1273 COVID-19 vaccine", "type": "BIOLOGICAL" }, { "name": "Community-provided Moderna mRNA-1273 COVID-19 Vaccine", "type": "BIOLOGICAL" }, { "name": "Community-Provided Pfizer-BioNTech BNT162b2 COVID-19 Vaccine", "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": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 43, "start_date": "2021-07-09", "completion_date": "2023-01-10", "has_results": true, "last_update_posted_date": "2023-05-24", "last_synced_at": "2026-10-08T15:56:49.973Z", "location_count": 6, "location_summary": "Los Angeles, California • San Diego, California • Chicago, Illinois + 3 more", "locations": [ { "city": "Los Angeles", "state": "California" }, { "city": "San Diego", "state": "California" }, { "city": "Chicago", "state": "Illinois" }, { "city": "Boston", "state": "Massachusetts" }, { "city": "Chapel Hill", "state": "North Carolina" } ], "official_url": "https://clinicaltrials.gov/study/NCT04952402" } ] }