{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=MMR+Vaccination",
    "query": {
      "condition": "MMR Vaccination"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 14,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=MMR+Vaccination&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-05-22T08:10:05.974Z",
  "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": "NCT01369394",
      "title": "Making Decisions About the Measles-Mumps-Rubella Vaccine",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Measles",
        "Mumps",
        "Rubella",
        "MMR Vaccination"
      ],
      "interventions": [
        {
          "name": "Behavioral: Computer-based tailoring system",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Michigan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 79,
      "start_date": "2011-06",
      "completion_date": "2012-07",
      "has_results": false,
      "last_update_posted_date": "2014-12-10",
      "last_synced_at": "2026-05-22T08:10:05.974Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01369394"
    },
    {
      "nct_id": "NCT00861744",
      "title": "Immunogenicity of GSKs' MMR Vaccine (209762) vs. M-M-R® II, When Given With Routine Vaccines at 12-15 Months of Age",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Rubella",
        "Mumps",
        "Measles",
        "Measles-Mumps-Rubella Vaccine"
      ],
      "interventions": [
        {
          "name": "GSK Biological's investigational vaccine 209762",
          "type": "BIOLOGICAL"
        },
        {
          "name": "M-M-R® II (Merck and Co)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Varivax®",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Havrix®",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Prevnar®",
          "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": 1259,
      "start_date": "2009-06-03",
      "completion_date": "2012-06-18",
      "has_results": true,
      "last_update_posted_date": "2020-01-03",
      "last_synced_at": "2026-05-22T08:10:05.974Z",
      "location_count": 45,
      "location_summary": "Tuscaloosa, Alabama • Conway, Arkansas • Jonesboro, Arkansas + 42 more",
      "locations": [
        {
          "city": "Tuscaloosa",
          "state": "Alabama"
        },
        {
          "city": "Conway",
          "state": "Arkansas"
        },
        {
          "city": "Jonesboro",
          "state": "Arkansas"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Anaheim",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00861744"
    },
    {
      "nct_id": "NCT00871117",
      "title": "Immunogenicity and Safety of Kinrix + (Measles Mumps Rubella) MMR Vaccine With and Without Varicella Vaccine in Healthy Children 4-6 Years",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Tetanus",
        "Acellular Pertussis",
        "Diphtheria"
      ],
      "interventions": [
        {
          "name": "GSK Biologicals'Kinrix®",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Merck and Company's MMRII",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Merck and Company's Varivax",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "4 Years",
        "maximum_age": "6 Years",
        "sex": "ALL",
        "summary": "4 Years to 6 Years"
      },
      "enrollment_count": 478,
      "start_date": "2009-03-31",
      "completion_date": "2010-06-15",
      "has_results": true,
      "last_update_posted_date": "2018-08-22",
      "last_synced_at": "2026-05-22T08:10:05.974Z",
      "location_count": 11,
      "location_summary": "Antioch, California • Daly City, California • Hayward, California + 7 more",
      "locations": [
        {
          "city": "Antioch",
          "state": "California"
        },
        {
          "city": "Daly City",
          "state": "California"
        },
        {
          "city": "Hayward",
          "state": "California"
        },
        {
          "city": "Redwood City",
          "state": "California"
        },
        {
          "city": "Roseville",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00871117"
    },
    {
      "nct_id": "NCT07195032",
      "title": "Safety and Efficacy of Measles, Mumps, Rubella Vaccination in Pediatric Heart Transplantation Patients",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Heart Transplant Infection Prevention"
      ],
      "interventions": [
        {
          "name": "Commercial measles, mumps, and rubella (MMR) vaccine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Children's Mercy Hospital Kansas City",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Year",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "1 Year to 17 Years"
      },
      "enrollment_count": 60,
      "start_date": "2025-09-11",
      "completion_date": "2027-09-11",
      "has_results": false,
      "last_update_posted_date": "2025-09-26",
      "last_synced_at": "2026-05-22T08:10:05.974Z",
      "location_count": 1,
      "location_summary": "Kansas City, Missouri",
      "locations": [
        {
          "city": "Kansas City",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07195032"
    },
    {
      "nct_id": "NCT04646239",
      "title": "Biomarkers of Trained Immunity Following MMR Vaccination",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Covid19"
      ],
      "interventions": [
        {
          "name": "Heterologous stimuli",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Neutralization assay",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 96,
      "start_date": "2020-12-17",
      "completion_date": "2021-06-28",
      "has_results": false,
      "last_update_posted_date": "2021-11-26",
      "last_synced_at": "2026-05-22T08:10:05.974Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04646239"
    },
    {
      "nct_id": "NCT00156559",
      "title": "MMR and Varicella Vaccine in Premature Infants",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Chickenpox",
        "Rubella",
        "Rubeola",
        "Mumps"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of Rochester",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "12 Months",
        "maximum_age": "16 Months",
        "sex": "ALL",
        "summary": "12 Months to 16 Months"
      },
      "enrollment_count": 32,
      "start_date": "2004-01",
      "completion_date": "2005-05",
      "has_results": false,
      "last_update_posted_date": "2015-09-17",
      "last_synced_at": "2026-05-22T08:10:05.974Z",
      "location_count": 1,
      "location_summary": "Rochester, New York",
      "locations": [
        {
          "city": "Rochester",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00156559"
    },
    {
      "nct_id": "NCT00013871",
      "title": "Pneumococcal Vaccine and Routine Pediatric Immunizations in HIV-Infected Children Receiving Anti-HIV Drugs",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "HIV Infections",
        "Hepatitis B",
        "Measles",
        "Pneumococcal Infections",
        "Pertussis"
      ],
      "interventions": [
        {
          "name": "Diphtheria & Tetanus Toxoids & Acellular Pertussis Vaccine Adsorbed",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Measles-Mumps-Rubella Vaccine (Live)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Pneumococcal Vaccine, Polyvalent (23-valent)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Pneumococcal Conjugate Vaccine, Heptavalent",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Hepatitis B Vaccine (Recombinant)",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "2 Years to 18 Years"
      },
      "enrollment_count": 300,
      "start_date": null,
      "completion_date": "2004-11",
      "has_results": false,
      "last_update_posted_date": "2021-11-01",
      "last_synced_at": "2026-05-22T08:10:05.974Z",
      "location_count": 38,
      "location_summary": "Birmingham, Alabama • Long Beach, California • Los Angeles, California + 26 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Oakland",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00013871"
    },
    {
      "nct_id": "NCT00258726",
      "title": "Immune Responses to Two Dose Varivax +/- MMR-II",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Measles",
        "Mumps",
        "Rubella",
        "Varicella"
      ],
      "interventions": [
        {
          "name": "MMR-II",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Pro-Quad",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Varivax",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "12 Months",
        "maximum_age": "12 Months",
        "sex": "ALL",
        "summary": "12 Months to 12 Months"
      },
      "enrollment_count": 105,
      "start_date": "2005-10",
      "completion_date": "2007-07",
      "has_results": false,
      "last_update_posted_date": "2010-08-27",
      "last_synced_at": "2026-05-22T08:10:05.974Z",
      "location_count": 1,
      "location_summary": "Stanford, California",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00258726"
    },
    {
      "nct_id": "NCT00962819",
      "title": "Measles, Mumps, and Rubella (MMR) Immunity in College Students",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Measles",
        "Mumps",
        "Rubella"
      ],
      "interventions": [
        {
          "name": "MMR vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Sri Edupuganti, MD MPH",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "24 Years",
        "sex": "ALL",
        "summary": "18 Years to 24 Years"
      },
      "enrollment_count": 74,
      "start_date": "2010-03",
      "completion_date": "2012-12",
      "has_results": false,
      "last_update_posted_date": "2021-10-08",
      "last_synced_at": "2026-05-22T08:10:05.974Z",
      "location_count": 1,
      "location_summary": "Decatur, Georgia",
      "locations": [
        {
          "city": "Decatur",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00962819"
    },
    {
      "nct_id": "NCT06639386",
      "title": "Vaccine Confidence Study Among Historically Marginalized Racial and Ethnic Groups",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Vaccine Hesitancy",
        "Vaccine Refusal"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Boston Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 80,
      "start_date": "2025-01-31",
      "completion_date": "2026-05",
      "has_results": false,
      "last_update_posted_date": "2026-04-07",
      "last_synced_at": "2026-05-22T08:10:05.974Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06639386"
    }
  ]
}