{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=PNEUMOVAX%E2%84%A223", "query": { "intervention": "PNEUMOVAX™23" }, "page_size": 10 }, "pagination": { "page": 1, "page_size": 10, "total_count": 12, "total_pages": 2, "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=PNEUMOVAX%E2%84%A223&page=2&page_size=10", "previous_page_url": null }, "source": "remote", "last_synced_at": "2026-09-28T11:29:49.623Z", "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": "NCT03480802", "title": "A Study to Evaluate the Safety, Tolerability, and Immunogenicity of V114 Followed by PNEUMOVAX™23 in Adults Infected With Human Immunodeficiency Virus (HIV) (V114-018)", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Pneumococcal Infections" ], "interventions": [ { "name": "V114", "type": "BIOLOGICAL" }, { "name": "Prevnar 13™", "type": "BIOLOGICAL" }, { "name": "PNEUMOVAX™23", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL" ], "sponsor": "Merck Sharp & Dohme LLC", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 302, "start_date": "2018-07-06", "completion_date": "2020-01-17", "has_results": true, "last_update_posted_date": "2022-05-05", "last_synced_at": "2026-09-28T11:29:49.623Z", "location_count": 4, "location_summary": "Orlando, Florida • West Palm Beach, Florida • Houston, Texas", "locations": [ { "city": "Orlando", "state": "Florida" }, { "city": "West Palm Beach", "state": "Florida" }, { "city": "Houston", "state": "Texas" }, { "city": "Houston", "state": "Texas" } ], "official_url": "https://clinicaltrials.gov/study/NCT03480802" }, { "nct_id": "NCT05158140", "title": "Safety, Tolerability, and Immunogenicity of V110 or V114 Co-administered With a Booster Dose of mRNA-1273 in Healthy Adults (V110-911)", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Pneumococcal Infection" ], "interventions": [ { "name": "V110", "type": "BIOLOGICAL" }, { "name": "V114", "type": "BIOLOGICAL" }, { "name": "mRNA-1273", "type": "BIOLOGICAL" }, { "name": "Placebo for V110", "type": "BIOLOGICAL" }, { "name": "Placebo for V114", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL" ], "sponsor": "Merck Sharp & Dohme LLC", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": "50 Years", "maximum_age": null, "sex": "ALL", "summary": "50 Years and older" }, "enrollment_count": 850, "start_date": "2022-01-12", "completion_date": "2023-02-21", "has_results": true, "last_update_posted_date": "2025-07-18", "last_synced_at": "2026-09-28T11:29:49.623Z", "location_count": 42, "location_summary": "North Hollywood, California • Northridge, California • Paramount, California + 38 more", "locations": [ { "city": "North Hollywood", "state": "California" }, { "city": "Northridge", "state": "California" }, { "city": "Paramount", "state": "California" }, { "city": "San Diego", "state": "California" }, { "city": "San Diego", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT05158140" }, { "nct_id": "NCT06177912", "title": "A Clinical Study of the V116 Vaccine for Children and Teenagers (V116-013)", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Pneumococcal Infection" ], "interventions": [ { "name": "V116", "type": "BIOLOGICAL" }, { "name": "PPSV23", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL" ], "sponsor": "Merck Sharp & Dohme LLC", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "2 Years", "maximum_age": "17 Years", "sex": "ALL", "summary": "2 Years to 17 Years" }, "enrollment_count": 882, "start_date": "2024-01-18", "completion_date": "2025-02-26", "has_results": true, "last_update_posted_date": "2026-03-11", "last_synced_at": "2026-09-28T11:29:49.623Z", "location_count": 29, "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Madera, California + 23 more", "locations": [ { "city": "Birmingham", "state": "Alabama" }, { "city": "Phoenix", "state": "Arizona" }, { "city": "Madera", "state": "California" }, { "city": "Colorado Springs", "state": "Colorado" }, { "city": "Orlando", "state": "Florida" } ], "official_url": "https://clinicaltrials.gov/study/NCT06177912" }, { "nct_id": "NCT05420961", "title": "A Study to Evaluate the Safety, Tolerability, and Immunogenicity of V116 in Pneumococcal Vaccine-experienced Adults (V116-006, STRIDE-6)", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Pneumonia, Pneumococcal" ], "interventions": [ { "name": "V116", "type": "BIOLOGICAL" }, { "name": "PCV15", "type": "BIOLOGICAL" }, { "name": "PPSV23", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL" ], "sponsor": "Merck Sharp & Dohme LLC", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": "50 Years", "maximum_age": null, "sex": "ALL", "summary": "50 Years and older" }, "enrollment_count": 717, "start_date": "2022-07-12", "completion_date": "2023-05-16", "has_results": true, "last_update_posted_date": "2024-10-26", "last_synced_at": "2026-09-28T11:29:49.623Z", "location_count": 15, "location_summary": "Birmingham, Alabama • Glendale, Arizona • Tempe, Arizona + 12 more", "locations": [ { "city": "Birmingham", "state": "Alabama" }, { "city": "Glendale", "state": "Arizona" }, { "city": "Tempe", "state": "Arizona" }, { "city": "Fountain Valley", "state": "California" }, { "city": "Walnut Creek", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT05420961" }, { "nct_id": "NCT03565900", "title": "A Study to Evaluate the Safety, Tolerability, and Immunogenicity of V114 in Allogeneic Hematopoietic Stem Cell Transplant Recipients (V114-022/PNEU-STEM)", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Pneumococcal Infections" ], "interventions": [ { "name": "V114", "type": "BIOLOGICAL" }, { "name": "Prevnar 13™", "type": "BIOLOGICAL" }, { "name": "PNEUMOVAX™23", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL" ], "sponsor": "Merck Sharp & Dohme LLC", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "3 Years", "maximum_age": null, "sex": "ALL", "summary": "3 Years and older" }, "enrollment_count": 277, "start_date": "2018-09-12", "completion_date": "2021-11-04", "has_results": true, "last_update_posted_date": "2023-07-28", "last_synced_at": "2026-09-28T11:29:49.623Z", "location_count": 13, "location_summary": "Palo Alto, California • Aurora, Colorado • Gainesville, Florida + 10 more", "locations": [ { "city": "Palo Alto", "state": "California" }, { "city": "Aurora", "state": "Colorado" }, { "city": "Gainesville", "state": "Florida" }, { "city": "Chicago", "state": "Illinois" }, { "city": "Indianapolis", "state": "Indiana" } ], "official_url": "https://clinicaltrials.gov/study/NCT03565900" }, { "nct_id": "NCT05393037", "title": "Safety and Immunogenicity of V116 in Adults Living With Human Immunodeficiency Virus (HIV) (V116-007, STRIDE-7)", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Pneumococcal Disease" ], "interventions": [ { "name": "V116", "type": "BIOLOGICAL" }, { "name": "Placebo", "type": "BIOLOGICAL" }, { "name": "PCV15", "type": "BIOLOGICAL" }, { "name": "PPSV23", "type": "BIOLOGICAL" }, { "name": "PCV15 - Part B", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL" ], "sponsor": "Merck Sharp & Dohme LLC", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 313, "start_date": "2022-07-13", "completion_date": "2024-01-25", "has_results": true, "last_update_posted_date": "2026-02-05", "last_synced_at": "2026-09-28T11:29:49.623Z", "location_count": 7, "location_summary": "Phoenix, Arizona • Washington D.C., District of Columbia • Ft. Pierce, Florida + 4 more", "locations": [ { "city": "Phoenix", "state": "Arizona" }, { "city": "Washington D.C.", "state": "District of Columbia" }, { "city": "Ft. Pierce", "state": "Florida" }, { "city": "Orlando", "state": "Florida" }, { "city": "Kansas City", "state": "Missouri" } ], "official_url": "https://clinicaltrials.gov/study/NCT05393037" }, { "nct_id": "NCT04168190", "title": "A Phase 1/Phase 2 Study of Polyvalent Pneumococcal Conjugate Vaccine (V116) in Adults (V116-001)", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1", "PHASE2" ], "conditions": [ "Pneumonia, Pneumococcal" ], "interventions": [ { "name": "V116", "type": "BIOLOGICAL" }, { "name": "Pneumovax™23", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL" ], "sponsor": "Merck Sharp & Dohme LLC", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 600, "start_date": "2019-12-06", "completion_date": "2021-07-12", "has_results": true, "last_update_posted_date": "2022-09-16", "last_synced_at": "2026-09-28T11:29:49.623Z", "location_count": 20, "location_summary": "Birmingham, Alabama • Mesa, Arizona • Coral Gables, Florida + 15 more", "locations": [ { "city": "Birmingham", "state": "Alabama" }, { "city": "Mesa", "state": "Arizona" }, { "city": "Coral Gables", "state": "Florida" }, { "city": "Hialeah", "state": "Florida" }, { "city": "Hollywood", "state": "Florida" } ], "official_url": "https://clinicaltrials.gov/study/NCT04168190" }, { "nct_id": "NCT03480763", "title": "A Study to Evaluate the Safety, Tolerability, and Immunogenicity of V114 Followed by PNEUMOVAX™23 in Healthy Adults 50 Years of Age or Older (V114-016/PNEU-PATH)", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Pneumococcal Infections" ], "interventions": [ { "name": "V114", "type": "BIOLOGICAL" }, { "name": "Prevnar 13™", "type": "BIOLOGICAL" }, { "name": "PNEUMOVAX™23", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL" ], "sponsor": "Merck Sharp & Dohme LLC", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": "50 Years", "maximum_age": null, "sex": "ALL", "summary": "50 Years and older" }, "enrollment_count": 652, "start_date": "2018-06-22", "completion_date": "2019-12-23", "has_results": true, "last_update_posted_date": "2021-11-02", "last_synced_at": "2026-09-28T11:29:49.623Z", "location_count": 15, "location_summary": "Chandler, Arizona • Phoenix, Arizona • Spring Valley, California + 12 more", "locations": [ { "city": "Chandler", "state": "Arizona" }, { "city": "Phoenix", "state": "Arizona" }, { "city": "Spring Valley", "state": "California" }, { "city": "Walnut Creek", "state": "California" }, { "city": "Coral Gables", "state": "Florida" } ], "official_url": "https://clinicaltrials.gov/study/NCT03480763" }, { "nct_id": "NCT02045836", "title": "Study to Evaluate Immunogenicity and Safety Study of GSK Biologicals' Herpes Zoster (HZ) Vaccine GSK1437173A When Co-administered With Pneumovax 23™ in Adults Aged 50 Years and Older", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Herpes Zoster", "Herpes Zoster Vaccine" ], "interventions": [ { "name": "Herpes Zoster vaccine GSK 1437173A", "type": "BIOLOGICAL" }, { "name": "Licensed pneumococcal polysaccharide conjugate vaccine (23-valent, adsorbed), Pneumovax 23™", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL" ], "sponsor": "GlaxoSmithKline", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": "50 Years", "maximum_age": null, "sex": "ALL", "summary": "50 Years and older" }, "enrollment_count": 865, "start_date": "2014-03-05", "completion_date": "2016-06-17", "has_results": true, "last_update_posted_date": "2021-05-14", "last_synced_at": "2026-09-28T11:29:49.623Z", "location_count": 3, "location_summary": "Golden, Colorado • Wichita, Kansas • Columbia, Maryland", "locations": [ { "city": "Golden", "state": "Colorado" }, { "city": "Wichita", "state": "Kansas" }, { "city": "Columbia", "state": "Maryland" } ], "official_url": "https://clinicaltrials.gov/study/NCT02045836" }, { "nct_id": "NCT05696080", "title": "Safety and Immunogenicity of V116 in Adults With Increased Risk for Pneumococcal Disease (V116-008)", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Pneumococcal Infection" ], "interventions": [ { "name": "V116", "type": "BIOLOGICAL" }, { "name": "Placebo", "type": "BIOLOGICAL" }, { "name": "PCV15", "type": "BIOLOGICAL" }, { "name": "PPSV23", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL" ], "sponsor": "Merck Sharp & Dohme LLC", "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": 518, "start_date": "2023-02-13", "completion_date": "2024-02-16", "has_results": true, "last_update_posted_date": "2026-03-03", "last_synced_at": "2026-09-28T11:29:49.623Z", "location_count": 8, "location_summary": "Mesa, Arizona • Hialeah, Florida • West Palm Beach, Florida + 5 more", "locations": [ { "city": "Mesa", "state": "Arizona" }, { "city": "Hialeah", "state": "Florida" }, { "city": "West Palm Beach", "state": "Florida" }, { "city": "Ridgeland", "state": "Mississippi" }, { "city": "New Windsor", "state": "New York" } ], "official_url": "https://clinicaltrials.gov/study/NCT05696080" } ] }