{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=interactive+voice+response",
    "query": {
      "intervention": "interactive voice response"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 97,
    "total_pages": 10,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=interactive+voice+response&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-11T01:19:52.109Z",
  "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": "NCT01852656",
      "title": "Effectiveness of Influenza Vaccine Reminder Systems",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Asthma",
        "Chronic Obstructive Pulmonary Disease"
      ],
      "interventions": [
        {
          "name": "Postcard and IVR Reminder Group",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Postcard Only Reminder Group",
          "type": "BEHAVIORAL"
        },
        {
          "name": "IVR Only Reminder Group",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Kaiser Permanente",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "19 Years to 64 Years"
      },
      "enrollment_count": 12255,
      "start_date": "2012-09",
      "completion_date": "2013-04",
      "has_results": false,
      "last_update_posted_date": "2013-05-14",
      "last_synced_at": "2026-09-11T01:19:52.109Z",
      "location_count": 1,
      "location_summary": "Denver, Colorado",
      "locations": [
        {
          "city": "Denver",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01852656"
    },
    {
      "nct_id": "NCT03099889",
      "title": "WHISH-2-Prevent Heart Failure",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Physical Activity",
        "Heart Failure",
        "Heart Failure With Reduced Ejection Fraction",
        "Heart Failure With Normal Ejection Fraction",
        "Strength Training",
        "Elderly",
        "Women"
      ],
      "interventions": [
        {
          "name": "Physical Activity",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Memorial Hospital of Rhode Island",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "66 Years",
        "maximum_age": "102 Years",
        "sex": "FEMALE",
        "summary": "66 Years to 102 Years · Female only"
      },
      "enrollment_count": 49936,
      "start_date": "2015-04-15",
      "completion_date": "2021-07-01",
      "has_results": false,
      "last_update_posted_date": "2019-05-07",
      "last_synced_at": "2026-09-11T01:19:52.109Z",
      "location_count": 1,
      "location_summary": "Pawtucket, Rhode Island",
      "locations": [
        {
          "city": "Pawtucket",
          "state": "Rhode Island"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03099889"
    },
    {
      "nct_id": "NCT01251757",
      "title": "Promoting Adherence to Improve Effectiveness of Cardiovascular Disease Therapies",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Diabetes Mellitus",
        "Cardiovascular Disease"
      ],
      "interventions": [
        {
          "name": "Interactive Voice Recognition (IVR) phone calls",
          "type": "OTHER"
        },
        {
          "name": "Educational mailings and follow-up for nonadherence",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Kaiser Permanente",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 21752,
      "start_date": "2011-08",
      "completion_date": "2013-08",
      "has_results": true,
      "last_update_posted_date": "2017-03-13",
      "last_synced_at": "2026-09-11T01:19:52.109Z",
      "location_count": 3,
      "location_summary": "Atlanta, Georgia • Honolulu, Hawaii • Portland, Oregon",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Honolulu",
          "state": "Hawaii"
        },
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01251757"
    },
    {
      "nct_id": "NCT01004952",
      "title": "Measuring Real Time Decision-Making About Ultraviolet Radiation (UVR) Protection",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Melanoma"
      ],
      "interventions": [
        {
          "name": "screening questionnaire",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 94,
      "start_date": "2009-10-27",
      "completion_date": "2024-09-06",
      "has_results": true,
      "last_update_posted_date": "2026-01-07",
      "last_synced_at": "2026-09-11T01:19:52.109Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01004952"
    },
    {
      "nct_id": "NCT00863200",
      "title": "Identification and Treatment of Depression",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cancer"
      ],
      "interventions": [
        {
          "name": "Telephone Intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Questionnaires & Interviews",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 134,
      "start_date": "2009-03",
      "completion_date": "2019-02-12",
      "has_results": false,
      "last_update_posted_date": "2019-05-28",
      "last_synced_at": "2026-09-11T01:19:52.109Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00863200"
    },
    {
      "nct_id": "NCT00508508",
      "title": "Effectiveness of Peer Support in Improving Heart Failure Self-Management and Care",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Heart Failure, Congestive"
      ],
      "interventions": [
        {
          "name": "Interactive Voice Response System",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Nurse-Led Group Clinic Visits",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Michigan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 266,
      "start_date": "2007-04",
      "completion_date": "2010-10",
      "has_results": false,
      "last_update_posted_date": "2013-06-18",
      "last_synced_at": "2026-09-11T01:19:52.109Z",
      "location_count": 1,
      "location_summary": "Ypsilanti, Michigan",
      "locations": [
        {
          "city": "Ypsilanti",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00508508"
    },
    {
      "nct_id": "NCT02418091",
      "title": "Integrated Population Program for Diabetic Kidney Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Diabetic Kidney Disease",
        "Uncontrolled Hypertension"
      ],
      "interventions": [
        {
          "name": "Telehealth",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 131,
      "start_date": "2015-03",
      "completion_date": "2016-09",
      "has_results": false,
      "last_update_posted_date": "2016-11-21",
      "last_synced_at": "2026-09-11T01:19:52.109Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02418091"
    },
    {
      "nct_id": "NCT04331704",
      "title": "ANCHORS Alcohol & Sexual Health Study: UH3 Project",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Alcohol Use, Unspecified",
        "Substance Use",
        "Sex Behavior"
      ],
      "interventions": [
        {
          "name": "PrEP acronym (pre-exposure prophylaxis)",
          "type": "DRUG"
        },
        {
          "name": "Initial Web Survey",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Interactive Voice Response (IVR) monitoring",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Educational material on alcohol and sexual health behavior",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Interactive Voice Response (IVR) assessment with personalized information",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Personalized information based on web-based survey responses & standardized information",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "University of Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "30 Years",
        "sex": "MALE",
        "summary": "18 Years to 30 Years · Male only"
      },
      "enrollment_count": 88,
      "start_date": "2021-01-12",
      "completion_date": "2026-06-30",
      "has_results": false,
      "last_update_posted_date": "2025-07-10",
      "last_synced_at": "2026-09-11T01:19:52.109Z",
      "location_count": 1,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04331704"
    },
    {
      "nct_id": "NCT00298792",
      "title": "Individualized Treatment Program for Alcohol Problems",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Alcohol Dependence"
      ],
      "interventions": [
        {
          "name": "Cognitive-behavioral treatment",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "National Institute on Alcohol Abuse and Alcoholism (NIAAA)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 110,
      "start_date": "2006-01",
      "completion_date": "2008-04",
      "has_results": false,
      "last_update_posted_date": "2009-04-15",
      "last_synced_at": "2026-09-11T01:19:52.109Z",
      "location_count": 1,
      "location_summary": "Farmington, Connecticut",
      "locations": [
        {
          "city": "Farmington",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00298792"
    },
    {
      "nct_id": "NCT00783991",
      "title": "Investigating the Impact of Mode of Administration on Item Response",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Chronic Obstructive Pulmonary Disease",
        "Depression",
        "Rheumatoid Arthritis"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Stony Brook University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 800,
      "start_date": "2009-04",
      "completion_date": "2009-12",
      "has_results": false,
      "last_update_posted_date": "2013-06-06",
      "last_synced_at": "2026-09-11T01:19:52.109Z",
      "location_count": 2,
      "location_summary": "Palo Alto, California • Smithtown, New York",
      "locations": [
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "Smithtown",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00783991"
    }
  ]
}