{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=RSV+Immunisation",
    "query": {
      "condition": "RSV Immunisation"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 24,
    "total_pages": 3,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=RSV+Immunisation&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-05-22T03:59:25.447Z",
  "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": "NCT06252285",
      "title": "Efficacy, Immunogenicity, and Safety Study of a Respiratory Syncytial Virus Vaccine in Infants and Toddlers",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "RSV Immunisation"
      ],
      "interventions": [
        {
          "name": "RSVt Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Sanofi Pasteur, a Sanofi Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "6 Months",
        "maximum_age": "21 Months",
        "sex": "ALL",
        "summary": "6 Months to 21 Months"
      },
      "enrollment_count": 6300,
      "start_date": "2024-02-06",
      "completion_date": "2025-12-04",
      "has_results": false,
      "last_update_posted_date": "2026-02-03",
      "last_synced_at": "2026-05-22T03:59:25.447Z",
      "location_count": 50,
      "location_summary": "Birmingham, Alabama • Guntersville, Alabama • Tucson, Arizona + 41 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Guntersville",
          "state": "Alabama"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Madera",
          "state": "California"
        },
        {
          "city": "Tarzana",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06252285"
    },
    {
      "nct_id": "NCT05639894",
      "title": "Study of a Respiratory Syncytial Virus Candidate Encapsulated in a Lipid Nanoparticle Based Formulation in Adults Aged 18 to 50 Years and 60 Years and Older",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Respiratory Syncytial Virus Immunization"
      ],
      "interventions": [
        {
          "name": "RSV vaccine candiate formulation 1",
          "type": "BIOLOGICAL"
        },
        {
          "name": "RSV vaccine candidate formulation 2",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "Sanofi Pasteur, a Sanofi Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 865,
      "start_date": "2022-11-17",
      "completion_date": "2025-05-02",
      "has_results": false,
      "last_update_posted_date": "2025-05-31",
      "last_synced_at": "2026-05-22T03:59:25.447Z",
      "location_count": 25,
      "location_summary": "Huntsville, Alabama • Mesa, Arizona • Peoria, Arizona + 22 more",
      "locations": [
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Mesa",
          "state": "Arizona"
        },
        {
          "city": "Peoria",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "La Mesa",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05639894"
    },
    {
      "nct_id": "NCT06640868",
      "title": "Promotion of RSV Immunization Through Multiple Efforts",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Pregnancy",
        "Vaccination"
      ],
      "interventions": [
        {
          "name": "MyChart nurse message",
          "type": "BEHAVIORAL"
        },
        {
          "name": "SMFM video",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Visual aid",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 50,
      "start_date": "2024-11-04",
      "completion_date": "2025-02-20",
      "has_results": false,
      "last_update_posted_date": "2025-12-08",
      "last_synced_at": "2026-05-22T03:59:25.447Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06640868"
    },
    {
      "nct_id": "NCT06534892",
      "title": "An Extension and Crossover Vaccination Study on the Immune Response and Safety of a Vaccine Against Respiratory Syncytial Virus Given to Adults 60 Years of Age and Above Who Participated in RSV OA=ADJ-006 Study",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Respiratory Syncytial Virus Infections"
      ],
      "interventions": [
        {
          "name": "RSVPreF3 OA vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "60 Years and older"
      },
      "enrollment_count": 10212,
      "start_date": "2024-08-01",
      "completion_date": "2026-09-30",
      "has_results": false,
      "last_update_posted_date": "2026-04-20",
      "last_synced_at": "2026-05-22T03:59:25.447Z",
      "location_count": 55,
      "location_summary": "Birmingham, Alabama • Huntsville, Alabama • Phoenix, Arizona + 50 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06534892"
    },
    {
      "nct_id": "NCT05705440",
      "title": "A Follow-up Study to Describe the Safety of Study Participants Who Received RSVPreF3 Maternal Vaccination (Any Dose) or Controls From Previous RSV MAT Studies During Any Pregnancy Conceived Post Vaccination/Control",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Respiratory Syncytial Virus Infections"
      ],
      "interventions": [
        {
          "name": "RSVPreF3 vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Control",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "9 Years",
        "maximum_age": "49 Years",
        "sex": "FEMALE",
        "summary": "9 Years to 49 Years · Female only"
      },
      "enrollment_count": 3855,
      "start_date": "2023-02-07",
      "completion_date": "2025-01-15",
      "has_results": true,
      "last_update_posted_date": "2026-03-17",
      "last_synced_at": "2026-05-22T03:59:25.447Z",
      "location_count": 27,
      "location_summary": "Mobile, Alabama • Phoenix, Arizona • Tucson, Arizona + 21 more",
      "locations": [
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Burbank",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05705440"
    },
    {
      "nct_id": "NCT05229068",
      "title": "A Study of Safety, Reactogenicity and Immune Response of the Repeat Vaccination Against RSV When Given to Female Participants of 18-49 Years of Age During Their Subsequent Uncomplicated Pregnancy",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Respiratory Syncytial Virus Infections"
      ],
      "interventions": [
        {
          "name": "RSV MAT",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "49 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 49 Years · Female only"
      },
      "enrollment_count": 0,
      "start_date": "2022-03-11",
      "completion_date": "2024-10-24",
      "has_results": false,
      "last_update_posted_date": "2022-04-07",
      "last_synced_at": "2026-05-22T03:59:25.447Z",
      "location_count": 2,
      "location_summary": "Missoula, Montana • Norfolk, Nebraska",
      "locations": [
        {
          "city": "Missoula",
          "state": "Montana"
        },
        {
          "city": "Norfolk",
          "state": "Nebraska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05229068"
    },
    {
      "nct_id": "NCT06397768",
      "title": "Co-administration Study of an Investigational Live-Attenuated Respiratory Syncytial Virus Vaccine in Infants and Toddlers",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "RSV Immunization"
      ],
      "interventions": [
        {
          "name": "RSVt vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Diphtheria, tetanus, pertussis, poliomyelitis , Haemophilus influenzae type b, and hepatitis B vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Diphtheria, tetanus, pertussis, Haemophilus influenzae type b and poliomyelitis vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Hepatitis B vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Streptococcus pneumoniae vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Rotavirus vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Measles, mumps, and rubella vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Varicella virus vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Sanofi Pasteur, a Sanofi Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "6 Months",
        "maximum_age": "12 Months",
        "sex": "ALL",
        "summary": "6 Months to 12 Months"
      },
      "enrollment_count": 2226,
      "start_date": "2024-05-13",
      "completion_date": "2025-09-18",
      "has_results": false,
      "last_update_posted_date": "2026-02-03",
      "last_synced_at": "2026-05-22T03:59:25.447Z",
      "location_count": 66,
      "location_summary": "Birmingham, Alabama • Grand Bay, Alabama • Mobile, Alabama + 55 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Grand Bay",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Fayetteville",
          "state": "Arkansas"
        },
        {
          "city": "Bell Gardens",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06397768"
    },
    {
      "nct_id": "NCT02247726",
      "title": "RSV F Vaccine Maternal Immunization Study in Healthy Third-trimester Pregnant Women.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Respiratory Syncytial Virus Infections"
      ],
      "interventions": [
        {
          "name": "Saline Placebo (0.5mL injection)",
          "type": "DRUG"
        },
        {
          "name": "RSV F vaccine (0.5mL injection)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Novavax",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 40 Years · Female only"
      },
      "enrollment_count": 50,
      "start_date": "2014-09",
      "completion_date": "2016-07",
      "has_results": false,
      "last_update_posted_date": "2022-05-27",
      "last_synced_at": "2026-05-22T03:59:25.447Z",
      "location_count": 7,
      "location_summary": "Nampa, Idaho • Hutchinson, Kansas • Kansas City, Kansas + 4 more",
      "locations": [
        {
          "city": "Nampa",
          "state": "Idaho"
        },
        {
          "city": "Hutchinson",
          "state": "Kansas"
        },
        {
          "city": "Kansas City",
          "state": "Kansas"
        },
        {
          "city": "Norfolk",
          "state": "Nebraska"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02247726"
    },
    {
      "nct_id": "NCT07171164",
      "title": "A Study to Evaluate Community-Based Measures to Increase RSV Vaccine Use Among Latino Adults",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Older Adults Without Any Specific Clinical Condition",
        "Social Networks",
        "RSV Immunization",
        "Vaccine Uptake"
      ],
      "interventions": [
        {
          "name": "Motivate Aim: CHW text message reminders and counseling",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Motivate Aim: CHW text message reminders only",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Activate Aim: CHW text message reminders and counseling",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Activate Aim: CHW text message reminders only",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 750,
      "start_date": "2025-09-10",
      "completion_date": "2028-11",
      "has_results": false,
      "last_update_posted_date": "2025-09-30",
      "last_synced_at": "2026-05-22T03:59:25.447Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07171164"
    },
    {
      "nct_id": "NCT06172660",
      "title": "Real-World Effectiveness of Perinatal RSV Immunoprophylaxis",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "RSV Infection"
      ],
      "interventions": [
        {
          "name": "Nirsevimab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Yale University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "12 Months",
        "sex": "ALL",
        "summary": "Up to 12 Months"
      },
      "enrollment_count": 3750,
      "start_date": "2024-10-28",
      "completion_date": "2028-12-30",
      "has_results": false,
      "last_update_posted_date": "2025-08-14",
      "last_synced_at": "2026-05-22T03:59:25.447Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06172660"
    }
  ]
}