{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Vaccine+Hesitancy",
    "query": {
      "condition": "Vaccine Hesitancy"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 61,
    "total_pages": 7,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Vaccine+Hesitancy&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-06-11T06:01:56.685Z",
  "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": "NCT05959564",
      "title": "A Chatbot Intervention for Reducing HPV Vaccine Hesitancy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cervical Cancer",
        "Anal Cancer",
        "Penile Cancer"
      ],
      "interventions": [
        {
          "name": "Personalized Chatbot Intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Non-Personalized Chatbot Intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "No Chatbot Control",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Maryland, College Park",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 456,
      "start_date": "2023-07-26",
      "completion_date": "2023-08-08",
      "has_results": true,
      "last_update_posted_date": "2024-10-21",
      "last_synced_at": "2026-06-11T06:01:56.685Z",
      "location_count": 1,
      "location_summary": "College Park, Maryland",
      "locations": [
        {
          "city": "College Park",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05959564"
    },
    {
      "nct_id": "NCT04747327",
      "title": "Incentives & Motivation for Behavior Change:",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Behavior",
        "Intention"
      ],
      "interventions": [
        {
          "name": "mandate public",
          "type": "BEHAVIORAL"
        },
        {
          "name": "employer mandate",
          "type": "BEHAVIORAL"
        },
        {
          "name": "incentive reward",
          "type": "BEHAVIORAL"
        },
        {
          "name": "penalty",
          "type": "BEHAVIORAL"
        },
        {
          "name": "incentive lottery small",
          "type": "BEHAVIORAL"
        },
        {
          "name": "incentive lottery medium",
          "type": "BEHAVIORAL"
        },
        {
          "name": "incentive lottery large",
          "type": "BEHAVIORAL"
        },
        {
          "name": "cash small",
          "type": "BEHAVIORAL"
        },
        {
          "name": "cash medium",
          "type": "BEHAVIORAL"
        },
        {
          "name": "cash large",
          "type": "BEHAVIORAL"
        },
        {
          "name": "invitation for exercise financial incentive study",
          "type": "BEHAVIORAL"
        },
        {
          "name": "invitation for exercise social incentive study",
          "type": "BEHAVIORAL"
        },
        {
          "name": "invitation for sleep social incentive study",
          "type": "BEHAVIORAL"
        },
        {
          "name": "invitation for sleep financial incentive",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 4000,
      "start_date": "2021-02-07",
      "completion_date": "2023-12-30",
      "has_results": false,
      "last_update_posted_date": "2024-02-15",
      "last_synced_at": "2026-06-11T06:01:56.685Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04747327"
    },
    {
      "nct_id": "NCT05293392",
      "title": "Improving COVID-19 Vaccine Uptake Among Black and Latino Youth",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "COVID-19"
      ],
      "interventions": [
        {
          "name": "Culturally-Tailored COVID-19 Vaccine Uptake Intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Standard Care",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Nemours Children's Health System",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 5792,
      "start_date": "2022-01-31",
      "completion_date": "2022-05-20",
      "has_results": true,
      "last_update_posted_date": "2023-09-28",
      "last_synced_at": "2026-06-11T06:01:56.685Z",
      "location_count": 1,
      "location_summary": "Wilmington, Delaware",
      "locations": [
        {
          "city": "Wilmington",
          "state": "Delaware"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05293392"
    },
    {
      "nct_id": "NCT04999267",
      "title": "Increasing Vaccine Uptake Among Adolescents in the Rural South",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Vaccine Hesitancy"
      ],
      "interventions": [
        {
          "name": "INVEST",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 2,
      "start_date": "2021-08-31",
      "completion_date": "2022-11-03",
      "has_results": true,
      "last_update_posted_date": "2025-12-10",
      "last_synced_at": "2026-06-11T06:01:56.685Z",
      "location_count": 2,
      "location_summary": "Durham, North Carolina • Columbia, South Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        },
        {
          "city": "Columbia",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04999267"
    },
    {
      "nct_id": "NCT05910879",
      "title": "RADx-UP Phase 3D (Oregon Saludable: Juntos Podemos)",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Health Behavior",
        "Health Care Utilization",
        "Vaccine Hesitancy"
      ],
      "interventions": [
        {
          "name": "Self-Affirmation Implementation Intentions (SAII) Intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Promotores de Salud (Health Education)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Oregon",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 600,
      "start_date": "2023-04-22",
      "completion_date": "2024-12-31",
      "has_results": false,
      "last_update_posted_date": "2024-12-06",
      "last_synced_at": "2026-06-11T06:01:56.685Z",
      "location_count": 1,
      "location_summary": "Eugene, Oregon",
      "locations": [
        {
          "city": "Eugene",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05910879"
    },
    {
      "nct_id": "NCT05142332",
      "title": "PROmotion of COvid-19 VA(X)Ccination in the Emergency Department - PROCOVAXED",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Covid-19 Vaccine",
        "Vaccine Hesitancy"
      ],
      "interventions": [
        {
          "name": "Covid-19 vaccine education materials",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 541,
      "start_date": "2021-12-06",
      "completion_date": "2022-08-30",
      "has_results": true,
      "last_update_posted_date": "2023-12-13",
      "last_synced_at": "2026-06-11T06:01:56.685Z",
      "location_count": 7,
      "location_summary": "San Francisco, California • Durham, North Carolina • Philadelphia, Pennsylvania + 1 more",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05142332"
    },
    {
      "nct_id": "NCT06297876",
      "title": "COVIDVaxStories: Randomized Trial to Reduce COVID-19 Vaccine Hesitancy in Populations of Color",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Vaccine Hesitancy"
      ],
      "interventions": [
        {
          "name": "Storytelling",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Learn More (Active Comparator)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Massachusetts, Worcester",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "105 Years",
        "sex": "ALL",
        "summary": "18 Years to 105 Years"
      },
      "enrollment_count": 100,
      "start_date": "2023-05-19",
      "completion_date": "2024-08-09",
      "has_results": false,
      "last_update_posted_date": "2024-12-04",
      "last_synced_at": "2026-06-11T06:01:56.685Z",
      "location_count": 1,
      "location_summary": "Worcester, Massachusetts",
      "locations": [
        {
          "city": "Worcester",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06297876"
    },
    {
      "nct_id": "NCT05998824",
      "title": "COVID-19 Vaccination Hesitancy in Adults With Sickle Cell Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sickle Cell Disease",
        "COVID-19 Vaccine",
        "Vaccine Hesitancy"
      ],
      "interventions": [
        {
          "name": "SCD-specific COVID-19 vaccination information (SCVI) video",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 33,
      "start_date": "2023-09-19",
      "completion_date": "2024-09-30",
      "has_results": false,
      "last_update_posted_date": "2024-12-24",
      "last_synced_at": "2026-06-11T06:01:56.685Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05998824"
    },
    {
      "nct_id": "NCT06482450",
      "title": "Improving Vaccine Acceptance Through EHR Integrated Patient- and Provider-Facing Decision Support",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Vaccine Hesitancy",
        "Vaccine Refusal"
      ],
      "interventions": [
        {
          "name": "LetsTalkShots (patient-facing CDS)",
          "type": "OTHER"
        },
        {
          "name": "LetsTalkShots (provider-facing CDS)",
          "type": "OTHER"
        },
        {
          "name": "Appointment Reminder Message",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Johns Hopkins Bloomberg School of Public Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 1200,
      "start_date": "2025-06-11",
      "completion_date": "2026-07",
      "has_results": false,
      "last_update_posted_date": "2026-05-14",
      "last_synced_at": "2026-06-11T06:01:56.685Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06482450"
    },
    {
      "nct_id": "NCT06698497",
      "title": "Boosting COVID-19 Vaccination Uptake Using Wastewater Surveillance",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Vaccine Uptake"
      ],
      "interventions": [
        {
          "name": "Communication Campaign",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Syracuse University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 40,
      "start_date": "2024-09-13",
      "completion_date": "2025-07-10",
      "has_results": false,
      "last_update_posted_date": "2025-09-15",
      "last_synced_at": "2026-06-11T06:01:56.685Z",
      "location_count": 1,
      "location_summary": "Syracuse, New York",
      "locations": [
        {
          "city": "Syracuse",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06698497"
    }
  ]
}