{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Telephone+Counseling",
    "query": {
      "intervention": "Telephone Counseling"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 1027,
    "total_pages": 103,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Telephone+Counseling&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-01T16:37:36.110Z",
  "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": "NCT00878150",
      "title": "Life Improvement Following Traumatic Brain Injury",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Traumatic Brain Injury",
        "Depression"
      ],
      "interventions": [
        {
          "name": "In-person Cognitive Behavioral Therapy",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Telephone Cognitive Behavioral Therapy",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Washington",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 100,
      "start_date": "2007-09",
      "completion_date": "2013-09",
      "has_results": false,
      "last_update_posted_date": "2013-10-18",
      "last_synced_at": "2026-09-01T16:37:36.110Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00878150"
    },
    {
      "nct_id": "NCT00709150",
      "title": "Collaborative Depression Care Management in Treating Depressed Low-income Hispanics With Diabetes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Depression"
      ],
      "interventions": [
        {
          "name": "Collaborative depression care management",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Enhanced usual care",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Southern California",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 387,
      "start_date": "2005-03",
      "completion_date": "2009-09",
      "has_results": false,
      "last_update_posted_date": "2023-11-22",
      "last_synced_at": "2026-09-01T16:37:36.110Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00709150"
    },
    {
      "nct_id": "NCT06598397",
      "title": "Using Multiphase Optimization Strategy (MOST) to Optimize a Cost-effective, Sustainable and Scalable Smoking Cessation Package for Smokers in HIV Clinical Care",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Human Immunodeficiency Virus (HIV)",
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Motivational Interviewing (MI) Counseling",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Peer Mentoring",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Skills-based Text Messaging",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Combination NRT",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DRUG"
      ],
      "sponsor": "New York University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 500,
      "start_date": "2024-10-18",
      "completion_date": "2028-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-04-13",
      "last_synced_at": "2026-09-01T16:37:36.110Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06598397"
    },
    {
      "nct_id": "NCT02433860",
      "title": "Evaluation of the Effectiveness of Pharmacists in Implementing the SCRIPT Protocol",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pregnancy"
      ],
      "interventions": [
        {
          "name": "pharmacist nicotine cessation counseling using SCRIPT protocol",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Providence Medical Research Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 8,
      "start_date": "2015-01",
      "completion_date": "2016-09",
      "has_results": false,
      "last_update_posted_date": "2017-09-25",
      "last_synced_at": "2026-09-01T16:37:36.110Z",
      "location_count": 1,
      "location_summary": "Spokane, Washington",
      "locations": [
        {
          "city": "Spokane",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02433860"
    },
    {
      "nct_id": "NCT02022423",
      "title": "Physical Activity Daily - An Internet-Based Walking Program for Patients With Peripheral Arterial Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Peripheral Arterial Disease"
      ],
      "interventions": [
        {
          "name": "Telephone counseling",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Internet-based walking program",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 172,
      "start_date": "2014-09",
      "completion_date": "2021-12",
      "has_results": false,
      "last_update_posted_date": "2021-12-21",
      "last_synced_at": "2026-09-01T16:37:36.110Z",
      "location_count": 2,
      "location_summary": "Birmingham, Alabama • Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02022423"
    },
    {
      "nct_id": "NCT00715650",
      "title": "Benefits Counseling to Preserve Function Among Disability Applicants",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Veterans' Disability Claims"
      ],
      "interventions": [
        {
          "name": "Benefits Counseling",
          "type": "BEHAVIORAL"
        },
        {
          "name": "VA Orientation",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 92,
      "start_date": "2008-12",
      "completion_date": "2015-12",
      "has_results": true,
      "last_update_posted_date": "2016-03-11",
      "last_synced_at": "2026-09-01T16:37:36.110Z",
      "location_count": 1,
      "location_summary": "West Haven, Connecticut",
      "locations": [
        {
          "city": "West Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00715650"
    },
    {
      "nct_id": "NCT05327725",
      "title": "Fatigue Reduction Diet in Lymphoma Survivors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Lymphoma, Large B-Cell, Diffuse",
        "Fatigue"
      ],
      "interventions": [
        {
          "name": "Fatigue Reduction Diet",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Ohio State University Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 10,
      "start_date": "2021-03-15",
      "completion_date": "2021-09-24",
      "has_results": false,
      "last_update_posted_date": "2024-09-04",
      "last_synced_at": "2026-09-01T16:37:36.110Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05327725"
    },
    {
      "nct_id": "NCT06678672",
      "title": "Contingency Management for Veteran Smokers Undergoing Major Elective Surgery",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tobacco Use Disorder",
        "Substance Use Disorder (SUD)"
      ],
      "interventions": [
        {
          "name": "Contingency Management (CM)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Treatment as Usual (TAU)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "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": 36,
      "start_date": "2025-08-01",
      "completion_date": "2027-07-01",
      "has_results": false,
      "last_update_posted_date": "2026-08-11",
      "last_synced_at": "2026-09-01T16:37:36.110Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06678672"
    },
    {
      "nct_id": "NCT02723656",
      "title": "Proactive Care Coordination for Cancer Survivors Who Smoke",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cancer"
      ],
      "interventions": [
        {
          "name": "Online Referral NYS Quitline",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Tobacco cessation counseling and coordination of cessation medications",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "NYU Langone Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 581,
      "start_date": "2016-03",
      "completion_date": "2018-09-29",
      "has_results": false,
      "last_update_posted_date": "2018-12-11",
      "last_synced_at": "2026-09-01T16:37:36.110Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02723656"
    },
    {
      "nct_id": "NCT02110641",
      "title": "Lifestyle, Exercise and Nutrition Study 2 (LEAN 2)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Breast Cancer",
        "Weight Loss"
      ],
      "interventions": [
        {
          "name": "Weight Loss Counseling",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Yale University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 75 Years · Female only"
      },
      "enrollment_count": 51,
      "start_date": "2013-11",
      "completion_date": "2016-02",
      "has_results": false,
      "last_update_posted_date": "2023-02-21",
      "last_synced_at": "2026-09-01T16:37:36.110Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02110641"
    }
  ]
}