{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?sponsor=Meissa+Vaccines%2C+Inc.",
    "query": {
      "sponsor": "Meissa Vaccines, Inc."
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 4,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-10-05T10:01:13.149Z",
  "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": "NCT04909021",
      "title": "Safety and Immunogenicity of an Intranasal Vaccine for Respiratory Syncytial Virus in Seronegative Children 6-36 Months",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Respiratory Syncytial Virus (RSV)"
      ],
      "interventions": [
        {
          "name": "Investigational RSV vaccine MV-012-968 (Dosage 1)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Investigational RSV vaccine MV-012-968 (Dosage 2)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Investigational RSV vaccine MV-012-968 (Dosage 3; single-dose)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Investigational RSV vaccine MV-012-968 (Dosage 3; two-dose)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo (single-dose)",
          "type": "OTHER"
        },
        {
          "name": "Placebo (two-dose)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "Meissa Vaccines, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "6 Months",
        "maximum_age": "36 Months",
        "sex": "ALL",
        "summary": "6 Months to 36 Months"
      },
      "enrollment_count": 63,
      "start_date": "2021-06-03",
      "completion_date": "2023-10",
      "has_results": false,
      "last_update_posted_date": "2022-08-02",
      "last_synced_at": "2026-10-05T10:01:13.149Z",
      "location_count": 12,
      "location_summary": "Phoenix, Arizona • La Mesa, California • Atlanta, Georgia + 9 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "La Mesa",
          "state": "California"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Idaho Falls",
          "state": "Idaho"
        },
        {
          "city": "Metairie",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04909021"
    },
    {
      "nct_id": "NCT04798001",
      "title": "Safety and Immunogenicity of an Intranasal RSV Vaccine Expressing SARS-CoV-2 Spike Protein (COVID-19 Vaccine) in Adults",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Covid19"
      ],
      "interventions": [
        {
          "name": "Investigational vaccine against SARS-CoV-2 [MV-014-212] Dosage 1, Single Dose, Intranasal Drops",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Investigational vaccine against SARS-CoV-2 [MV-014-212] Dosage 2, Single Dose, Intranasal Drops",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Investigational vaccine against SARS-CoV-2 [MV-014-212] Dosage 3, Single Dose, Intranasal Drops",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Investigational vaccine against SARS-CoV-2 [MV-014-212] Dosage 3, Two Doses, Intranasal Drops",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Investigational vaccine against SARS-CoV-2 [MV-014-212] Dosage 3, Single Dose, Intranasal Spray",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Meissa Vaccines, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "69 Years",
        "sex": "ALL",
        "summary": "18 Years to 69 Years"
      },
      "enrollment_count": 130,
      "start_date": "2021-04-12",
      "completion_date": "2022-10-31",
      "has_results": false,
      "last_update_posted_date": "2022-08-02",
      "last_synced_at": "2026-10-05T10:01:13.149Z",
      "location_count": 2,
      "location_summary": "Lenexa, Kansas • Raleigh, North Carolina",
      "locations": [
        {
          "city": "Lenexa",
          "state": "Kansas"
        },
        {
          "city": "Raleigh",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04798001"
    },
    {
      "nct_id": "NCT04444284",
      "title": "Study of the Safety and Immunogenicity of an Intranasal Vaccine for Respiratory Syncytial Virus in Seropositive Children",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Respiratory Syncytial Virus Infections"
      ],
      "interventions": [
        {
          "name": "Investigational RSV vaccine MV-012-968 (Dosage 1)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Investigational RSV vaccine MV-012-968 (Dosage 2)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        },
        {
          "name": "Investigational RSV vaccine MV-012-968 (Dosage 3)",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "Meissa Vaccines, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "15 Months",
        "maximum_age": "59 Months",
        "sex": "ALL",
        "summary": "15 Months to 59 Months"
      },
      "enrollment_count": 34,
      "start_date": "2020-06-09",
      "completion_date": "2021-05-07",
      "has_results": false,
      "last_update_posted_date": "2021-06-29",
      "last_synced_at": "2026-10-05T10:01:13.149Z",
      "location_count": 3,
      "location_summary": "Norfolk, Nebraska • Omaha, Nebraska • Cincinnati, Ohio",
      "locations": [
        {
          "city": "Norfolk",
          "state": "Nebraska"
        },
        {
          "city": "Omaha",
          "state": "Nebraska"
        },
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04444284"
    },
    {
      "nct_id": "NCT04227210",
      "title": "Safety and Immune Response to an Investigational Vaccine Against Respiratory Syncytial Virus in Healthy Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Respiratory Syncytial Virus Infections"
      ],
      "interventions": [
        {
          "name": "RSV vaccine MV-012-968 (dosage #1)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "RSV vaccine MV-012-968 (dosage #2)",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Meissa Vaccines, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "18 Years to 40 Years"
      },
      "enrollment_count": 20,
      "start_date": "2020-01-14",
      "completion_date": "2020-08-27",
      "has_results": false,
      "last_update_posted_date": "2020-09-16",
      "last_synced_at": "2026-10-05T10:01:13.149Z",
      "location_count": 1,
      "location_summary": "Lenexa, Kansas",
      "locations": [
        {
          "city": "Lenexa",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04227210"
    }
  ]
}