{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Voice+call&page=2",
    "query": {
      "intervention": "Voice call",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Voice+call&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-20T09:26:06.032Z",
  "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": "NCT03194828",
      "title": "Real-time Glaucoma Medication Adherence",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Glaucoma"
      ],
      "interventions": [
        {
          "name": "Medication reminder",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Medication monitoring only",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Tennessee",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 5,
      "start_date": "2017-05-08",
      "completion_date": "2018-07-15",
      "has_results": false,
      "last_update_posted_date": "2018-11-07",
      "last_synced_at": "2026-09-20T09:26:06.032Z",
      "location_count": 8,
      "location_summary": "Augusta, Georgia • Grovetown, Georgia • Louisville, Georgia + 4 more",
      "locations": [
        {
          "city": "Augusta",
          "state": "Georgia"
        },
        {
          "city": "Augusta",
          "state": "Georgia"
        },
        {
          "city": "Grovetown",
          "state": "Georgia"
        },
        {
          "city": "Louisville",
          "state": "Georgia"
        },
        {
          "city": "Blackwell",
          "state": "Oklahoma"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03194828"
    },
    {
      "nct_id": "NCT00256386",
      "title": "LabAlert: Enhancing Medication Safety Through Electronic Interventions to Improve Laboratory Monitoring",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Safety"
      ],
      "interventions": [
        {
          "name": "Electronic Medical Record (EMR) to clinician's in-basket",
          "type": "DEVICE"
        },
        {
          "name": "Automated Voice Message (AVM) reminder to patient's phone",
          "type": "DEVICE"
        },
        {
          "name": "Pharmacy Team phone call-letter followup",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "PROCEDURE"
      ],
      "sponsor": "Kaiser Permanente",
      "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": "2004-01",
      "completion_date": "2005-03",
      "has_results": false,
      "last_update_posted_date": "2006-11-30",
      "last_synced_at": "2026-09-20T09:26:06.032Z",
      "location_count": 1,
      "location_summary": "Portland, Oregon",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00256386"
    },
    {
      "nct_id": "NCT02700256",
      "title": "Electronic Reporting of Symptoms After Surgery",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Patients Scheduled to Undergo Surgery on the Gynecology Service"
      ],
      "interventions": [
        {
          "name": "survey",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "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": 135,
      "start_date": "2015-12-04",
      "completion_date": "2019-10-21",
      "has_results": false,
      "last_update_posted_date": "2019-11-04",
      "last_synced_at": "2026-09-20T09:26:06.032Z",
      "location_count": 5,
      "location_summary": "Basking Ridge, New Jersey • Middletown, New Jersey • Harrison, New York + 2 more",
      "locations": [
        {
          "city": "Basking Ridge",
          "state": "New Jersey"
        },
        {
          "city": "Middletown",
          "state": "New Jersey"
        },
        {
          "city": "Harrison",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Rockville Centre",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02700256"
    },
    {
      "nct_id": "NCT02990377",
      "title": "Reducing Non-Medical Opioid Use: An Automatically Adaptive mHealth Intervention",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Non-Medical Opioid Use"
      ],
      "interventions": [
        {
          "name": "RL-supported IVR intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Michigan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 459,
      "start_date": "2018-11-06",
      "completion_date": "2021-12-31",
      "has_results": false,
      "last_update_posted_date": "2022-01-31",
      "last_synced_at": "2026-09-20T09:26:06.032Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02990377"
    },
    {
      "nct_id": "NCT01395459",
      "title": "A Sustainable Approach to Increasing Cancer Screening",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Colorectal Cancer",
        "Breast Cancer",
        "Cervical Cancer"
      ],
      "interventions": [
        {
          "name": "IVR only",
          "type": "BEHAVIORAL"
        },
        {
          "name": "IVR+PCC",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Harvard School of Public Health (HSPH)",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "86 Years",
        "sex": "ALL",
        "summary": "21 Years to 86 Years"
      },
      "enrollment_count": 13675,
      "start_date": "2008-09",
      "completion_date": "2013-10",
      "has_results": false,
      "last_update_posted_date": "2019-02-20",
      "last_synced_at": "2026-09-20T09:26:06.032Z",
      "location_count": 1,
      "location_summary": "Lawrence, Massachusetts",
      "locations": [
        {
          "city": "Lawrence",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01395459"
    },
    {
      "nct_id": "NCT02162901",
      "title": "The Reach and Effectiveness of Technology-enhanced Diabetes Prevention Programs",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Diabetes Prevention"
      ],
      "interventions": [
        {
          "name": "Choice-Class with IVR Calls",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Random-Class with IVR calls",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Random-Class only",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Choice-DVD with IVR calls",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Random-DVD with IVR calls",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Virginia Polytechnic Institute and State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 597,
      "start_date": "2014-03-13",
      "completion_date": "2017-04-28",
      "has_results": false,
      "last_update_posted_date": "2021-04-06",
      "last_synced_at": "2026-09-20T09:26:06.032Z",
      "location_count": 1,
      "location_summary": "Roanoke, Virginia",
      "locations": [
        {
          "city": "Roanoke",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02162901"
    },
    {
      "nct_id": "NCT00688168",
      "title": "Inflammatory Cytokines in Symptom Production in Multiple Myeloma",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Multiple Myeloma"
      ],
      "interventions": [
        {
          "name": "Questionnaire",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Neurocognitive Testing",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Neurosensory Testing",
          "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": 491,
      "start_date": "2008-05-09",
      "completion_date": "2019-01-08",
      "has_results": false,
      "last_update_posted_date": "2019-05-29",
      "last_synced_at": "2026-09-20T09:26:06.032Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00688168"
    },
    {
      "nct_id": "NCT02507349",
      "title": "Person-Centered Versus Measurement-Based Care in Mental Health",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Schizophrenia",
        "Bipolar Disorder",
        "Major Depression"
      ],
      "interventions": [
        {
          "name": "Person-Centered Care",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Measurement-Based Care",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Pittsburgh",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 2443,
      "start_date": "2014-08",
      "completion_date": "2017-03-31",
      "has_results": true,
      "last_update_posted_date": "2019-02-26",
      "last_synced_at": "2026-09-20T09:26:06.032Z",
      "location_count": 2,
      "location_summary": "Lebanon, New Hampshire • Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Lebanon",
          "state": "New Hampshire"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02507349"
    },
    {
      "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": "2026-09-20T09:26:06.032Z",
      "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": "NCT03913013",
      "title": "Technology Enhanced Family Treatment",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Mood Disorders",
        "Bipolar Disorder",
        "Major Depression"
      ],
      "interventions": [
        {
          "name": "Family-Focused Treatment with MCC App",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": "19 Years",
        "sex": "ALL",
        "summary": "13 Years to 19 Years"
      },
      "enrollment_count": 65,
      "start_date": "2018-11-15",
      "completion_date": "2021-10-20",
      "has_results": true,
      "last_update_posted_date": "2024-05-28",
      "last_synced_at": "2026-09-20T09:26:06.032Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03913013"
    }
  ]
}