{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=telephone+counseling&page=13",
    "query": {
      "intervention": "telephone counseling",
      "page": 13
    },
    "page_size": 10
  },
  "pagination": {
    "page": 13,
    "page_size": 10,
    "total_count": 1032,
    "total_pages": 104,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=telephone+counseling&page=14&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=telephone+counseling&page=12&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-14T19:30:03.026Z",
  "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": "NCT02069483",
      "title": "Testing Methods of Self-persuasion Involving Cigarette Smoking",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking"
      ],
      "interventions": [
        {
          "name": "Motivational Interviewing",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Tailored Feedback",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 48,
      "start_date": "2014-04",
      "completion_date": "2014-09",
      "has_results": false,
      "last_update_posted_date": "2014-09-26",
      "last_synced_at": "2026-10-14T19:30:03.026Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02069483"
    },
    {
      "nct_id": "NCT03423394",
      "title": "Efficacy Trial of Stress Check-Up",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Posttraumatic Stress Disorder"
      ],
      "interventions": [
        {
          "name": "Motivational Enhancement Therapy",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Treatment as Usual",
          "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": 163,
      "start_date": "2018-01-05",
      "completion_date": "2021-09-30",
      "has_results": false,
      "last_update_posted_date": "2022-11-03",
      "last_synced_at": "2026-10-14T19:30:03.026Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03423394"
    },
    {
      "nct_id": "NCT00156351",
      "title": "Walking For Wellness Program Evaluation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Physical Inactivity",
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Physical activity promotion",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Pennsylvania",
      "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": 186,
      "start_date": "2003-01",
      "completion_date": "2005-12",
      "has_results": false,
      "last_update_posted_date": "2008-03-28",
      "last_synced_at": "2026-10-14T19:30:03.026Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00156351"
    },
    {
      "nct_id": "NCT01866722",
      "title": "Not Quite Ready to Quit",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Usual care",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Reduction",
          "type": "BEHAVIORAL"
        },
        {
          "name": "5Rs",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Vermont",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 560,
      "start_date": "2013-09",
      "completion_date": "2015-07-14",
      "has_results": false,
      "last_update_posted_date": "2017-07-31",
      "last_synced_at": "2026-10-14T19:30:03.026Z",
      "location_count": 1,
      "location_summary": "Burlington, Vermont",
      "locations": [
        {
          "city": "Burlington",
          "state": "Vermont"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01866722"
    },
    {
      "nct_id": "NCT00415545",
      "title": "Educational Program to Improve Heart Failure Outcomes in Adults Living in Rural Areas",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Heart Failure, Congestive"
      ],
      "interventions": [
        {
          "name": "Fluid Watchers LITE Educational Intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Fluid Watchers PLUS Educational Intervention",
          "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": 614,
      "start_date": "2007-01",
      "completion_date": "2013-01",
      "has_results": false,
      "last_update_posted_date": "2013-06-07",
      "last_synced_at": "2026-10-14T19:30:03.026Z",
      "location_count": 3,
      "location_summary": "Davis, California • Lexington, Kentucky • Reno, Nevada",
      "locations": [
        {
          "city": "Davis",
          "state": "California"
        },
        {
          "city": "Lexington",
          "state": "Kentucky"
        },
        {
          "city": "Reno",
          "state": "Nevada"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00415545"
    },
    {
      "nct_id": "NCT01725945",
      "title": "The DASH Diet for Adults With Uncontrolled Asthma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Asthma",
        "Hypertension"
      ],
      "interventions": [
        {
          "name": "Dietary Approaches to Stop Hypertension dietary pattern",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Palo Alto Medical Foundation",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 90,
      "start_date": "2013-01",
      "completion_date": "2014-05",
      "has_results": false,
      "last_update_posted_date": "2014-09-18",
      "last_synced_at": "2026-10-14T19:30:03.026Z",
      "location_count": 2,
      "location_summary": "Hayward, California • San Francisco, California",
      "locations": [
        {
          "city": "Hayward",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01725945"
    },
    {
      "nct_id": "NCT00515372",
      "title": "Depression Treatment and Screening in Ovarian Cancer Patients",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Ovarian Cancer",
        "Peritoneal Cancer",
        "Fallopian Tube Cancer"
      ],
      "interventions": [
        {
          "name": "Telephone Counseling",
          "type": "OTHER"
        },
        {
          "name": "Usual Care",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "M.D. Anderson 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": 409,
      "start_date": "2002-12-20",
      "completion_date": "2027-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-09-18",
      "last_synced_at": "2026-10-14T19:30:03.026Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00515372"
    },
    {
      "nct_id": "NCT01346761",
      "title": "Risk Education and Assessment for Cancer Heredity",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Breast Cancer",
        "Ovarian Cancer",
        "Genetic Predisposition"
      ],
      "interventions": [
        {
          "name": "Telephone Genetic Counseling",
          "type": "BEHAVIORAL"
        },
        {
          "name": "In-Person Genetic Counseling",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Utah",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": "74 Years",
        "sex": "FEMALE",
        "summary": "25 Years to 74 Years · Female only"
      },
      "enrollment_count": 1012,
      "start_date": "2009-08",
      "completion_date": "2012-12",
      "has_results": false,
      "last_update_posted_date": "2016-04-14",
      "last_synced_at": "2026-10-14T19:30:03.026Z",
      "location_count": 1,
      "location_summary": "Salt Lake City, Utah",
      "locations": [
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01346761"
    },
    {
      "nct_id": "NCT02496481",
      "title": "A Brief MI Intervention in the ED to Increase Child Passenger Restraint Use",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Child Restraint Systems",
        "Seat Belts"
      ],
      "interventions": [
        {
          "name": "Motivational Interviewing",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Tailored brochure",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Michigan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 345,
      "start_date": "2015-06",
      "completion_date": "2016-04",
      "has_results": false,
      "last_update_posted_date": "2016-10-25",
      "last_synced_at": "2026-10-14T19:30:03.026Z",
      "location_count": 2,
      "location_summary": "Ann Arbor, Michigan • Flint, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        },
        {
          "city": "Flint",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02496481"
    },
    {
      "nct_id": "NCT00948129",
      "title": "Mobile Smoking Cessation Intervention in Enhancing Cancer Outreach in Low-Income Adult Smokers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cigarette Smoker",
        "Current Every Day Smoker"
      ],
      "interventions": [
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Smoking Cessation Intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Telephone-Based Intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Tobacco Cessation Counseling",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER",
        "BEHAVIORAL"
      ],
      "sponsor": "M.D. Anderson 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": 626,
      "start_date": "2009-08-10",
      "completion_date": "2021-02-10",
      "has_results": false,
      "last_update_posted_date": "2023-01-20",
      "last_synced_at": "2026-10-14T19:30:03.026Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00948129"
    }
  ]
}