{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Pneumococcal+Conjugate+Vaccine&page=5", "query": { "intervention": "Pneumococcal Conjugate Vaccine", "page": 5 }, "page_size": 10 }, "pagination": { "page": 5, "page_size": 10, "total_count": 249, "total_pages": 25, "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Pneumococcal+Conjugate+Vaccine&page=6&page_size=10", "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Pneumococcal+Conjugate+Vaccine&page=4&page_size=10" }, "source": "remote", "last_synced_at": "2026-10-06T13:19:46.129Z", "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": "NCT00918580", "title": "Study Evaluating 13-valent Pneumococcal Conjugate Vaccine (13vPnC) in Children With Sickle Cell Disease", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Pneumococcal Conjugate Vaccine" ], "interventions": [ { "name": "13-valent Pneumoccocal Conjugate Vaccine", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL" ], "sponsor": "Pfizer", "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": 158, "start_date": "2009-11", "completion_date": "2013-03", "has_results": true, "last_update_posted_date": "2014-04-21", "last_synced_at": "2026-10-06T13:19:46.129Z", "location_count": 5, "location_summary": "Birmingham, Alabama • Louisville, Kentucky • The Bronx, New York + 1 more", "locations": [ { "city": "Birmingham", "state": "Alabama" }, { "city": "Louisville", "state": "Kentucky" }, { "city": "Louisville", "state": "Kentucky" }, { "city": "The Bronx", "state": "New York" }, { "city": "Nashville", "state": "Tennessee" } ], "official_url": "https://clinicaltrials.gov/study/NCT00918580" }, { "nct_id": "NCT00500266", "title": "Study Evaluating Safety of 13-Valent Pneumococcal Conjugate Vaccine in Healthy Elderly Subjects", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Pneumococcal Infections" ], "interventions": [ { "name": "13-valent Pneumococcal Conjugate Vaccine (13vPnC)", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL" ], "sponsor": "Pfizer", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": "68 Years", "maximum_age": null, "sex": "ALL", "summary": "68 Years and older" }, "enrollment_count": 1053, "start_date": "2008-05", "completion_date": "2009-05", "has_results": true, "last_update_posted_date": "2011-09-16", "last_synced_at": "2026-10-06T13:19:46.129Z", "location_count": 40, "location_summary": "Chandler, Arizona • Glendale, Arizona • Phoenix, Arizona + 33 more", "locations": [ { "city": "Chandler", "state": "Arizona" }, { "city": "Glendale", "state": "Arizona" }, { "city": "Phoenix", "state": "Arizona" }, { "city": "Phoenix", "state": "Arizona" }, { "city": "Rolling Hills Estates", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT00500266" }, { "nct_id": "NCT03512288", "title": "Trial to Evaluate the Safety and Immunogenicity of a Multivalent Pneumococcal Vaccine in Healthy Infants", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Pneumococcal Infections" ], "interventions": [ { "name": "Multivalent", "type": "BIOLOGICAL" }, { "name": "13vPnC", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL" ], "sponsor": "Pfizer", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": "42 Days", "maximum_age": "98 Days", "sex": "ALL", "summary": "42 Days to 98 Days" }, "enrollment_count": 460, "start_date": "2018-04-16", "completion_date": "2020-02-11", "has_results": true, "last_update_posted_date": "2021-03-02", "last_synced_at": "2026-10-06T13:19:46.129Z", "location_count": 39, "location_summary": "Fayetteville, Arkansas • Downey, California • Huntington Beach, California + 29 more", "locations": [ { "city": "Fayetteville", "state": "Arkansas" }, { "city": "Downey", "state": "California" }, { "city": "Huntington Beach", "state": "California" }, { "city": "Oakland", "state": "California" }, { "city": "Ontario", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT03512288" }, { "nct_id": "NCT03760146", "title": "Trial to Evaluate the Safety and Immunogenicity of a 20-valent Pneumococcal Conjugate Vaccine in Pneumococcal Vaccine-naïve Adults", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Pneumococcal Disease" ], "interventions": [ { "name": "20vPnC", "type": "BIOLOGICAL" }, { "name": "13vPnC", "type": "BIOLOGICAL" }, { "name": "PPSV23", "type": "BIOLOGICAL" }, { "name": "Saline", "type": "OTHER" } ], "intervention_types": [ "BIOLOGICAL", "OTHER" ], "sponsor": "Pfizer", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 3902, "start_date": "2018-12-12", "completion_date": "2019-12-16", "has_results": true, "last_update_posted_date": "2021-12-02", "last_synced_at": "2026-10-06T13:19:46.129Z", "location_count": 61, "location_summary": "Birmingham, Alabama • Mobile, Alabama • Chandler, Arizona + 45 more", "locations": [ { "city": "Birmingham", "state": "Alabama" }, { "city": "Mobile", "state": "Alabama" }, { "city": "Chandler", "state": "Arizona" }, { "city": "Peoria", "state": "Arizona" }, { "city": "Phoenix", "state": "Arizona" } ], "official_url": "https://clinicaltrials.gov/study/NCT03760146" }, { "nct_id": "NCT04642079", "title": "Safety and Immunogenicity Study of 20vPnC in Healthy Children 15 Months Through 17 Years of Age", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Pneumococcal Disease" ], "interventions": [ { "name": "20vPnC", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL" ], "sponsor": "Pfizer", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": "15 Months", "maximum_age": "17 Years", "sex": "ALL", "summary": "15 Months to 17 Years" }, "enrollment_count": 839, "start_date": "2020-12-04", "completion_date": "2022-04-06", "has_results": true, "last_update_posted_date": "2024-01-22", "last_synced_at": "2026-10-06T13:19:46.129Z", "location_count": 43, "location_summary": "Fayetteville, Arkansas • Jonesboro, Arkansas • San Diego, California + 30 more", "locations": [ { "city": "Fayetteville", "state": "Arkansas" }, { "city": "Jonesboro", "state": "Arkansas" }, { "city": "Jonesboro", "state": "Arkansas" }, { "city": "San Diego", "state": "California" }, { "city": "Miami", "state": "Florida" } ], "official_url": "https://clinicaltrials.gov/study/NCT04642079" }, { "nct_id": "NCT06824194", "title": "Study of the Safety of a 21-valent Pneumococcal Conjugate Vaccine in Healthy Infants From Approximately 2 Months of Age", "overall_status": "ACTIVE_NOT_RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Pneumococcal Immunization" ], "interventions": [ { "name": "PCV21 vaccine", "type": "BIOLOGICAL" }, { "name": "Prevnar 20 vaccine", "type": "BIOLOGICAL" }, { "name": "M-M-R II vaccine", "type": "BIOLOGICAL" }, { "name": "Rotarix", "type": "BIOLOGICAL" }, { "name": "RotaTeq", "type": "BIOLOGICAL" }, { "name": "Vaxelis vaccine", "type": "BIOLOGICAL" }, { "name": "Varivax", "type": "BIOLOGICAL" }, { "name": "Priorix", "type": "BIOLOGICAL" }, { "name": "VAQTA", "type": "BIOLOGICAL" }, { "name": "Havrix", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL" ], "sponsor": "Sanofi", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": "42 Days", "maximum_age": "89 Days", "sex": "ALL", "summary": "42 Days to 89 Days" }, "enrollment_count": 2360, "start_date": "2025-02-18", "completion_date": "2027-10-22", "has_results": false, "last_update_posted_date": "2026-04-13", "last_synced_at": "2026-10-06T13:19:46.129Z", "location_count": 103, "location_summary": "Birmingham, Alabama • Guntersville, Alabama • Oneonta, Alabama + 81 more", "locations": [ { "city": "Birmingham", "state": "Alabama" }, { "city": "Birmingham", "state": "Alabama" }, { "city": "Guntersville", "state": "Alabama" }, { "city": "Oneonta", "state": "Alabama" }, { "city": "Tucson", "state": "Arizona" } ], "official_url": "https://clinicaltrials.gov/study/NCT06824194" }, { "nct_id": "NCT00589394", "title": "Analysis of the Mechanisms of Protective Humoral Immunity in Response to the Pneumococcal Vaccine", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1" ], "conditions": [ "Healthy" ], "interventions": [ { "name": "pneumococcal vaccination (Pneumovax)", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL" ], "sponsor": "Mayo Clinic", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "20 Years", "maximum_age": "70 Years", "sex": "ALL", "summary": "20 Years to 70 Years" }, "enrollment_count": 100, "start_date": "2007-07", "completion_date": "2010-01", "has_results": false, "last_update_posted_date": "2016-01-11", "last_synced_at": "2026-10-06T13:19:46.129Z", "location_count": 1, "location_summary": "Rochester, Minnesota", "locations": [ { "city": "Rochester", "state": "Minnesota" } ], "official_url": "https://clinicaltrials.gov/study/NCT00589394" }, { "nct_id": "NCT03642847", "title": "Trial to Evaluate the Safety and Immunogenicity of Multivalent Pneumococcal Vaccines in Japanese Adults 18 to 49 Years of Age", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1" ], "conditions": [ "Pneumococcal Infections" ], "interventions": [ { "name": "Prevnar 13", "type": "BIOLOGICAL" }, { "name": "multivalent pneumococcal conjugate formulation 1", "type": "BIOLOGICAL" }, { "name": "multivalent pneumococcal conjugate formulation 2", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL" ], "sponsor": "Pfizer", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": "49 Years", "sex": "ALL", "summary": "18 Years to 49 Years" }, "enrollment_count": 104, "start_date": "2018-08-29", "completion_date": "2019-03-29", "has_results": false, "last_update_posted_date": "2019-06-12", "last_synced_at": "2026-10-06T13:19:46.129Z", "location_count": 4, "location_summary": "Garden Grove, California • Long Beach, California • Honolulu, Hawaii + 1 more", "locations": [ { "city": "Garden Grove", "state": "California" }, { "city": "Long Beach", "state": "California" }, { "city": "Honolulu", "state": "Hawaii" }, { "city": "Eatontown", "state": "New Jersey" } ], "official_url": "https://clinicaltrials.gov/study/NCT03642847" }, { "nct_id": "NCT01681992", "title": "Immunogenicity and Safety Study of GlaxoSmithKline (GSK) Biologicals' Combined Measles-mumps-rubella (MMR) Vaccine in Children in Their Second Year of Life", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Measles", "Mumps", "Rubella", "Measles-Mumps-Rubella Vaccine" ], "interventions": [ { "name": "Priorix", "type": "BIOLOGICAL" }, { "name": "M-M-R II", "type": "BIOLOGICAL" }, { "name": "Varivax", "type": "BIOLOGICAL" }, { "name": "Havrix", "type": "BIOLOGICAL" }, { "name": "Prevnar 13", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL" ], "sponsor": "GlaxoSmithKline", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": "12 Months", "maximum_age": "15 Months", "sex": "ALL", "summary": "12 Months to 15 Months" }, "enrollment_count": 4538, "start_date": "2012-10-10", "completion_date": "2015-08-18", "has_results": true, "last_update_posted_date": "2021-01-07", "last_synced_at": "2026-10-06T13:19:46.129Z", "location_count": 40, "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Jonesboro, Arkansas + 33 more", "locations": [ { "city": "Birmingham", "state": "Alabama" }, { "city": "Phoenix", "state": "Arizona" }, { "city": "Phoenix", "state": "Arizona" }, { "city": "Jonesboro", "state": "Arkansas" }, { "city": "Little Rock", "state": "Arkansas" } ], "official_url": "https://clinicaltrials.gov/study/NCT01681992" }, { "nct_id": "NCT01272999", "title": "Impact of Prevnar 13 on Ear Infections in Children", "overall_status": "COMPLETED", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Acute Otitis Media", "Mastoiditis" ], "interventions": [ { "name": "No intervention", "type": "OTHER" } ], "intervention_types": [ "OTHER" ], "sponsor": "Pfizer", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "0 Years", "maximum_age": null, "sex": "ALL", "summary": "0 Years and older" }, "enrollment_count": 391, "start_date": "2010-05-21", "completion_date": "2013-12-19", "has_results": true, "last_update_posted_date": "2023-05-23", "last_synced_at": "2026-10-06T13:19:46.129Z", "location_count": 8, "location_summary": "Little Rock, Arkansas • Los Angeles, California • San Diego, California + 5 more", "locations": [ { "city": "Little Rock", "state": "Arkansas" }, { "city": "Los Angeles", "state": "California" }, { "city": "San Diego", "state": "California" }, { "city": "Chicago", "state": "Illinois" }, { "city": "Winston-Salem", "state": "North Carolina" } ], "official_url": "https://clinicaltrials.gov/study/NCT01272999" } ] }