{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Polysaccharide+Diphtheria+Conjugate+Vaccine&page=2", "query": { "intervention": "Polysaccharide Diphtheria Conjugate Vaccine", "page": 2 }, "page_size": 10 }, "pagination": { "page": 2, "page_size": 10, "total_count": 53, "total_pages": 6, "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Polysaccharide+Diphtheria+Conjugate+Vaccine&page=3&page_size=10", "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Polysaccharide+Diphtheria+Conjugate+Vaccine&page=1&page_size=10" }, "source": "remote", "last_synced_at": "2026-10-07T13:33:08.558Z", "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": "NCT00384397", "title": "A Study of 2 Doses of Menactra®, a Meningococcal Conjugate Vaccine in Healthy Toddlers", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Meningococcal Meningitis", "Measles", "Mumps", "Rubella", "Varicella" ], "interventions": [ { "name": "Meningococcal Polysaccharide Diphtheria Toxoid Conjugate Vaccine", "type": "BIOLOGICAL" }, { "name": "Meningococcal Polysaccharide Diphtheria Toxoid Conjugate", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL" ], "sponsor": "Sanofi Pasteur, a Sanofi Company", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": "249 Days", "maximum_age": "305 Days", "sex": "ALL", "summary": "249 Days to 305 Days" }, "enrollment_count": 1128, "start_date": "2006-09", "completion_date": "2009-02", "has_results": true, "last_update_posted_date": "2016-04-14", "last_synced_at": "2026-10-07T13:33:08.558Z", "location_count": 39, "location_summary": "Montgomery, Alabama • Fayetteville, Arkansas • Jonesboro, Arkansas + 35 more", "locations": [ { "city": "Montgomery", "state": "Alabama" }, { "city": "Fayetteville", "state": "Arkansas" }, { "city": "Jonesboro", "state": "Arkansas" }, { "city": "Little Rock", "state": "Arkansas" }, { "city": "Little Rock", "state": "Arkansas" } ], "official_url": "https://clinicaltrials.gov/study/NCT00384397" }, { "nct_id": "NCT03537508", "title": "Immunogenicity and Safety of a Quadrivalent Meningococcal Conjugate Vaccine When Administered Concomitantly With Routine Pediatric Vaccines in Healthy Infants and Toddlers in the US", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Healthy Volunteers (Meningococcal Infection)" ], "interventions": [ { "name": "MenACYW conjugate vaccine", "type": "BIOLOGICAL" }, { "name": "MenACYW-135 conjugate vaccine", "type": "BIOLOGICAL" }, { "name": "DTaP-IPV//Hib vaccine", "type": "BIOLOGICAL" }, { "name": "Pneumococcal 13-valent conjugate vaccine", "type": "BIOLOGICAL" }, { "name": "Pentavalent rotavirus vaccine", "type": "BIOLOGICAL" }, { "name": "Hepatitis B vaccine", "type": "BIOLOGICAL" }, { "name": "Measles, mumps, rubella (MMR) vaccine", "type": "BIOLOGICAL" }, { "name": "Varicella vaccine", "type": "BIOLOGICAL" }, { "name": "Hepatitis A vaccine", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL" ], "sponsor": "Sanofi Pasteur, a Sanofi Company", "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": 2627, "start_date": "2018-04-25", "completion_date": "2023-09-22", "has_results": true, "last_update_posted_date": "2024-10-15", "last_synced_at": "2026-10-07T13:33:08.558Z", "location_count": 65, "location_summary": "Birmingham, Alabama • Dothan, Alabama • Phoenix, Arizona + 54 more", "locations": [ { "city": "Birmingham", "state": "Alabama" }, { "city": "Dothan", "state": "Alabama" }, { "city": "Phoenix", "state": "Arizona" }, { "city": "Fayetteville", "state": "Arkansas" }, { "city": "Jonesboro", "state": "Arkansas" } ], "official_url": "https://clinicaltrials.gov/study/NCT03537508" }, { "nct_id": "NCT01000974", "title": "Consistency & Immunogenicity Study of 3 Lots of GSK's Hib Conjugate Vaccine Versus ActHIB & Pentacel in Healthy Infants", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Haemophilus Influenzae Type b" ], "interventions": [ { "name": "GSK Biologicals' Haemophilus influenzae type b vaccine (GSK 208108)", "type": "BIOLOGICAL" }, { "name": "ActHIB™", "type": "BIOLOGICAL" }, { "name": "Pentacel™", "type": "BIOLOGICAL" }, { "name": "Pediarix™", "type": "BIOLOGICAL" }, { "name": "Prevnar 13™", "type": "BIOLOGICAL" }, { "name": "Rotarix™", "type": "BIOLOGICAL" }, { "name": "Engerix™-B", "type": "BIOLOGICAL" }, { "name": "Infanrix™", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL" ], "sponsor": "GlaxoSmithKline", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": "6 Weeks", "maximum_age": "12 Weeks", "sex": "ALL", "summary": "6 Weeks to 12 Weeks" }, "enrollment_count": 4003, "start_date": "2010-06-18", "completion_date": "2013-07-17", "has_results": true, "last_update_posted_date": "2018-07-12", "last_synced_at": "2026-10-07T13:33:08.558Z", "location_count": 63, "location_summary": "Dothan, Alabama • Benton, Arkansas • Fayetteville, Arkansas + 59 more", "locations": [ { "city": "Dothan", "state": "Alabama" }, { "city": "Benton", "state": "Arkansas" }, { "city": "Fayetteville", "state": "Arkansas" }, { "city": "Jonesboro", "state": "Arkansas" }, { "city": "Little Rock", "state": "Arkansas" } ], "official_url": "https://clinicaltrials.gov/study/NCT01000974" }, { "nct_id": "NCT00164411", "title": "Pneumococcal Conjugate Vaccine With Pneumococcal Polysaccharide Vaccine and Tetanus/Diphtheria Vaccine", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1" ], "conditions": [ "Pneumococcal Infections" ], "interventions": [ { "name": "Tetanus-diphtheria toxoids (Td)", "type": "BIOLOGICAL" }, { "name": "7-valent pneumococcal conjugate vaccine", "type": "BIOLOGICAL" }, { "name": "23-valent polysaccharide vaccine", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL" ], "sponsor": "Centers for Disease Control and Prevention", "sponsor_class": "FED", "healthy_volunteers": true, "eligibility": { "minimum_age": "50 Years", "maximum_age": "64 Years", "sex": "ALL", "summary": "50 Years to 64 Years" }, "enrollment_count": 30, "start_date": "2004-01", "completion_date": "2005-03", "has_results": false, "last_update_posted_date": "2012-03-14", "last_synced_at": "2026-10-07T13:33:08.558Z", "location_count": 1, "location_summary": "Atlanta, Georgia", "locations": [ { "city": "Atlanta", "state": "Georgia" } ], "official_url": "https://clinicaltrials.gov/study/NCT00164411" }, { "nct_id": "NCT03039491", "title": "Immune Response to Pneumococcal Vaccination in Aging HIV Positive Adults", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "EARLY_PHASE1" ], "conditions": [ "HIV Lipodystrophy", "Aging" ], "interventions": [ { "name": "Pneumococcal polysaccharide vaccine 23 valent", "type": "BIOLOGICAL" }, { "name": "13 valent conjugated pneumococcal vaccine", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL" ], "sponsor": "Medical University of South Carolina", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "21 Years", "maximum_age": "65 Years", "sex": "ALL", "summary": "21 Years to 65 Years" }, "enrollment_count": 160, "start_date": "2015-09-01", "completion_date": "2020-03-30", "has_results": false, "last_update_posted_date": "2020-06-16", "last_synced_at": "2026-10-07T13:33:08.558Z", "location_count": 1, "location_summary": "Charleston, South Carolina", "locations": [ { "city": "Charleston", "state": "South Carolina" } ], "official_url": "https://clinicaltrials.gov/study/NCT03039491" }, { "nct_id": "NCT00728260", "title": "36-Month Post-marketing Surveillance and Analysis of Menactra Vaccine in 2-10 Year Olds", "overall_status": "COMPLETED", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Meningitis", "Meningococcal Disease" ], "interventions": [ { "name": "None administered in this study", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL" ], "sponsor": "Sanofi Pasteur, a Sanofi Company", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": null, "maximum_age": null, "sex": "ALL", "summary": "Not listed" }, "enrollment_count": 1421, "start_date": "2005-07", "completion_date": "2013-05", "has_results": true, "last_update_posted_date": "2015-02-12", "last_synced_at": "2026-10-07T13:33:08.558Z", "location_count": 1, "location_summary": "Oakland, California", "locations": [ { "city": "Oakland", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT00728260" }, { "nct_id": "NCT00258856", "title": "Persistence of Antibodies in Children Aged 7 to 15 Years Who Previously Received One Dose of Menactra® or Menomune®", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Meningitis", "Meningococcal Infection" ], "interventions": [ { "name": "Polysaccharide Diphtheria Conjugate Vaccine", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL" ], "sponsor": "Sanofi Pasteur, a Sanofi Company", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": "7 Years", "maximum_age": "15 Years", "sex": "ALL", "summary": "7 Years to 15 Years" }, "enrollment_count": 234, "start_date": "2006-01", "completion_date": "2007-11", "has_results": true, "last_update_posted_date": "2014-02-14", "last_synced_at": "2026-10-07T13:33:08.558Z", "location_count": 11, "location_summary": "Jonesboro, Arkansas • Little Rock, Arkansas • Marietta, Georgia + 8 more", "locations": [ { "city": "Jonesboro", "state": "Arkansas" }, { "city": "Little Rock", "state": "Arkansas" }, { "city": "Marietta", "state": "Georgia" }, { "city": "Baltimore", "state": "Maryland" }, { "city": "Woburn", "state": "Massachusetts" } ], "official_url": "https://clinicaltrials.gov/study/NCT00258856" }, { "nct_id": "NCT00422292", "title": "Immunogenicity and Safety of Pediatric Vaccines When Administered With Menactra® in Healthy Toddlers", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Meningococcal Meningitis", "Measles", "Mumps", "Rubella", "Varicella" ], "interventions": [ { "name": "Meningococcal Polysaccharide Diphtheria Conjugate Vaccine", "type": "BIOLOGICAL" }, { "name": "Measles, Mumps, Rubella and Varicella", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL" ], "sponsor": "Sanofi Pasteur, a Sanofi Company", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": "9 Months", "maximum_age": "12 Months", "sex": "ALL", "summary": "9 Months to 12 Months" }, "enrollment_count": 1664, "start_date": "2006-12", "completion_date": "2009-04", "has_results": true, "last_update_posted_date": "2016-04-14", "last_synced_at": "2026-10-07T13:33:08.558Z", "location_count": 87, "location_summary": "Tuscaloosa, Alabama • Tucson, Arizona • Jonesboro, Arkansas + 74 more", "locations": [ { "city": "Tuscaloosa", "state": "Alabama" }, { "city": "Tucson", "state": "Arizona" }, { "city": "Jonesboro", "state": "Arkansas" }, { "city": "Little Rock", "state": "Arkansas" }, { "city": "Atascadero", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT00422292" }, { "nct_id": "NCT01654263", "title": "A Phase IIb, Open-Label, Dose Ranging Study of 13-Valent Pneumococcal Conjugate Vaccine in Adults 55 Through 74 Years of Age Previously Vaccinated With 23-Valent Pneumococcal Polysaccharide Vaccine", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Pneumococcal Infection" ], "interventions": [ { "name": "Pneumococcal 13-valent Conjugate Vaccine [Diphtheria CRM197 Protein]", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL" ], "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)", "sponsor_class": "NIH", "healthy_volunteers": true, "eligibility": { "minimum_age": "55 Years", "maximum_age": "74 Years", "sex": "ALL", "summary": "55 Years to 74 Years" }, "enrollment_count": 884, "start_date": "2012-10-10", "completion_date": "2015-08-21", "has_results": true, "last_update_posted_date": "2017-03-27", "last_synced_at": "2026-10-07T13:33:08.558Z", "location_count": 7, "location_summary": "Decatur, Georgia • Iowa City, Iowa • St Louis, Missouri + 4 more", "locations": [ { "city": "Decatur", "state": "Georgia" }, { "city": "Iowa City", "state": "Iowa" }, { "city": "St Louis", "state": "Missouri" }, { "city": "Cincinnati", "state": "Ohio" }, { "city": "Nashville", "state": "Tennessee" } ], "official_url": "https://clinicaltrials.gov/study/NCT01654263" }, { "nct_id": "NCT00355121", "title": "Study of Menactra® in Children Aged 4 to 6 Years When Administered Concomitantly With a Fifth Dose of DAPTACEL®", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Meningococcal Meningitis", "Tetanus", "Diphtheria", "Pertussis", "Poliomyelitis" ], "interventions": [ { "name": "Polysaccharide Diphtheria Toxoid Conjugate Vaccine", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL" ], "sponsor": "Sanofi", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": "4 Years", "maximum_age": "7 Years", "sex": "ALL", "summary": "4 Years to 7 Years" }, "enrollment_count": 882, "start_date": "2006-10", "completion_date": "2009-07", "has_results": true, "last_update_posted_date": "2011-08-24", "last_synced_at": "2026-10-07T13:33:08.558Z", "location_count": 26, "location_summary": "Little Rock, Arkansas • Boulder, Colorado • Atlanta, Georgia + 23 more", "locations": [ { "city": "Little Rock", "state": "Arkansas" }, { "city": "Boulder", "state": "Colorado" }, { "city": "Atlanta", "state": "Georgia" }, { "city": "Layton, UT 84041", "state": "Georgia" }, { "city": "Bardstown", "state": "Kentucky" } ], "official_url": "https://clinicaltrials.gov/study/NCT00355121" } ] }