{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Control+vaccine+younger+adults",
    "query": {
      "intervention": "Control vaccine younger adults"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 7,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-30T02:24:06.378Z",
  "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": "NCT07628049",
      "title": "A Study of Investigational RSV/hMPV Combination and Investigational hMPV Vaccines in Younger and Older Adults",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Respiratory Syncytial Virus Infections+Metapneumovirus"
      ],
      "interventions": [
        {
          "name": "RSV/hMPV_V low dose vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "RSV/hMPV_V medium dose vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "RSV/hMPV_V high dose vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "RSV/hMPV_W low dose vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "RSV/hMPV_W medium dose vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "RSV/hMPV_W high dose vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "RSV/hMPV_X low dose vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "RSV/hMPV_X medium dose vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "RSV/hMPV_X high dose vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "hMPV_Y low dose vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "hMPV_Y medium dose vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "hMPV_Y high dose vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "hMPV_Z low dose vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "hMPV_Z medium dose vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "hMPV_Z high dose vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Control vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "COMBINATION_PRODUCT"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "COMBINATION_PRODUCT"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 1456,
      "start_date": "2026-06-05",
      "completion_date": "2029-04-05",
      "has_results": false,
      "last_update_posted_date": "2026-08-20",
      "last_synced_at": "2026-09-30T02:24:06.378Z",
      "location_count": 2,
      "location_summary": "Lenexa, Kansas • Seattle, Washington",
      "locations": [
        {
          "city": "Lenexa",
          "state": "Kansas"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07628049"
    },
    {
      "nct_id": "NCT04528719",
      "title": "A Dose Escalation Study to Evaluate Safety, Reactogenicity, and Immunogenicity of mRNA-1345 in Healthy Adults and in Children Who Are Respiratory Syncytial Virus (RSV)-Seropositive",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Respiratory Syncytial Virus"
      ],
      "interventions": [
        {
          "name": "mRNA-1345",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "ModernaTX, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "12 Months",
        "maximum_age": "79 Years",
        "sex": "ALL",
        "summary": "12 Months to 79 Years"
      },
      "enrollment_count": 651,
      "start_date": "2020-09-30",
      "completion_date": "2024-07-18",
      "has_results": false,
      "last_update_posted_date": "2024-08-07",
      "last_synced_at": "2026-09-30T02:24:06.378Z",
      "location_count": 31,
      "location_summary": "La Mesa, California • West Hollywood, California • DeLand, Florida + 28 more",
      "locations": [
        {
          "city": "La Mesa",
          "state": "California"
        },
        {
          "city": "West Hollywood",
          "state": "California"
        },
        {
          "city": "DeLand",
          "state": "Florida"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "West Palm Beach",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04528719"
    },
    {
      "nct_id": "NCT06431607",
      "title": "A Study to Find the Dose and Assess the Immune Response and Safety of a Vaccine Against Influenza in Healthy Younger and Older Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Influenza, Human"
      ],
      "interventions": [
        {
          "name": "F2G22B/DL001Z",
          "type": "BIOLOGICAL"
        },
        {
          "name": "F2H23D/DL001Z-NH",
          "type": "BIOLOGICAL"
        },
        {
          "name": "F2H23B/DL001Z-NH",
          "type": "BIOLOGICAL"
        },
        {
          "name": "F2H23H/DL001Z",
          "type": "BIOLOGICAL"
        },
        {
          "name": "FDQ23A-NH (Flu D-QIV)",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "GSK5800544A",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Flu D-TIV",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "F2H23A/DL001Z-NH",
          "type": "BIOLOGICAL"
        },
        {
          "name": "F2H23G/DL001Z",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Fluzone HD Quadrivalent",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "Fluzone HD",
          "type": "COMBINATION_PRODUCT"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "COMBINATION_PRODUCT"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 845,
      "start_date": "2024-05-23",
      "completion_date": "2025-06-04",
      "has_results": true,
      "last_update_posted_date": "2026-03-10",
      "last_synced_at": "2026-09-30T02:24:06.378Z",
      "location_count": 18,
      "location_summary": "Hialeah, Florida • Miami, Florida • Chicago, Illinois + 14 more",
      "locations": [
        {
          "city": "Hialeah",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Valparaiso",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06431607"
    },
    {
      "nct_id": "NCT06680375",
      "title": "A Study of an Investigational Flu Seasonal/SARS-CoV-2 Combination Vaccine in Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "COVID-19"
      ],
      "interventions": [
        {
          "name": "Flu Seasonal /SARS-CoV-2 mRNA Dose 1",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "Flu Seasonal /SARS-CoV-2 mRNA Dose 2",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "Flu Seasonal mRNA",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "SARS-CoV-2 mRNA Dose 1",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "SARS-CoV-2 mRNA Dose 2",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "Licensed Flu Seasonal",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "Licensed COVID-19 mRNA",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "COMBINATION_PRODUCT",
        "DRUG"
      ],
      "sponsor": "GlaxoSmithKline",
      "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": 106,
      "start_date": "2024-11-11",
      "completion_date": "2025-06-09",
      "has_results": false,
      "last_update_posted_date": "2025-09-11",
      "last_synced_at": "2026-09-30T02:24:06.378Z",
      "location_count": 9,
      "location_summary": "Anniston, Alabama • Rolling Hills Estates, California • Hialeah, Florida + 5 more",
      "locations": [
        {
          "city": "Anniston",
          "state": "Alabama"
        },
        {
          "city": "Rolling Hills Estates",
          "state": "California"
        },
        {
          "city": "Hialeah",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06680375"
    },
    {
      "nct_id": "NCT05823974",
      "title": "A Study to Assess the Safety and Immune Response of a Vaccine Against Influenza in Healthy Younger and Older Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Influenza, Human"
      ],
      "interventions": [
        {
          "name": "F2C22C/DL001Z",
          "type": "BIOLOGICAL"
        },
        {
          "name": "F2B22A/DL001Z",
          "type": "BIOLOGICAL"
        },
        {
          "name": "F2B22B/DL001Z",
          "type": "BIOLOGICAL"
        },
        {
          "name": "F2B22C/DL001Z",
          "type": "BIOLOGICAL"
        },
        {
          "name": "F2B22D/DL001Z",
          "type": "BIOLOGICAL"
        },
        {
          "name": "F2B22E/DL001Z",
          "type": "BIOLOGICAL"
        },
        {
          "name": "F2F22A/DL001Z",
          "type": "BIOLOGICAL"
        },
        {
          "name": "F2F22B/DL001Z",
          "type": "BIOLOGICAL"
        },
        {
          "name": "F2F22C/DL001Z",
          "type": "BIOLOGICAL"
        },
        {
          "name": "F2F22D/DL001Z",
          "type": "BIOLOGICAL"
        },
        {
          "name": "F2F22E/DL001Z",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Control 1",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "F2F23D/DL001Z-NH",
          "type": "BIOLOGICAL"
        },
        {
          "name": "F2F23A/DL001Z-NH",
          "type": "BIOLOGICAL"
        },
        {
          "name": "F2F23B/DL001Z-NH",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Control 2",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "F2F23C/DL001Z-NH",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Control 3",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "F2F22F/DL001Z",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "COMBINATION_PRODUCT"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 1275,
      "start_date": "2023-04-27",
      "completion_date": "2024-12-18",
      "has_results": true,
      "last_update_posted_date": "2025-07-23",
      "last_synced_at": "2026-09-30T02:24:06.378Z",
      "location_count": 24,
      "location_summary": "Hialeah, Florida • Miami, Florida • Chicago, Illinois + 21 more",
      "locations": [
        {
          "city": "Hialeah",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Valparaiso",
          "state": "Indiana"
        },
        {
          "city": "Lenexa",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05823974"
    },
    {
      "nct_id": "NCT04668339",
      "title": "A Trial Evaluating the Safety and Effects of an RNA Vaccine ARCT-021 in Healthy Adults",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Covid19",
        "SARS-CoV Infection",
        "Corona Virus Infection"
      ],
      "interventions": [
        {
          "name": "ARCT-021 single dose priming",
          "type": "BIOLOGICAL"
        },
        {
          "name": "ARCT-021 two lower dose priming",
          "type": "BIOLOGICAL"
        },
        {
          "name": "ARCT-021 two higher dose priming",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo (two doses), priming",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Randomized booster",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo booster",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Arcturus Therapeutics, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 581,
      "start_date": "2021-01-07",
      "completion_date": "2022-03-01",
      "has_results": true,
      "last_update_posted_date": "2025-05-15",
      "last_synced_at": "2026-09-30T02:24:06.378Z",
      "location_count": 12,
      "location_summary": "Chandler, Arizona • Tucson, Arizona • San Diego, California + 9 more",
      "locations": [
        {
          "city": "Chandler",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Melbourne",
          "state": "Florida"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04668339"
    },
    {
      "nct_id": "NCT06602531",
      "title": "Safety and Immunogenicity Study of Self-Amplifying RNA Pandemic Influenza Vaccine in Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Influenza, Human"
      ],
      "interventions": [
        {
          "name": "ARCT-2304",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Control vaccine younger adults",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Control vaccine older adults",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo Vaccine",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "Arcturus Therapeutics, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 212,
      "start_date": "2024-12-10",
      "completion_date": "2025-12-05",
      "has_results": true,
      "last_update_posted_date": "2026-09-04",
      "last_synced_at": "2026-09-30T02:24:06.378Z",
      "location_count": 4,
      "location_summary": "La Mesa, California • San Bernardino, California • Longmont, Colorado + 1 more",
      "locations": [
        {
          "city": "La Mesa",
          "state": "California"
        },
        {
          "city": "San Bernardino",
          "state": "California"
        },
        {
          "city": "Longmont",
          "state": "Colorado"
        },
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06602531"
    }
  ]
}