{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=telephone+counseling&page=42",
    "query": {
      "intervention": "telephone counseling",
      "page": 42
    },
    "page_size": 10
  },
  "pagination": {
    "page": 42,
    "page_size": 10,
    "total_count": 1032,
    "total_pages": 104,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=telephone+counseling&page=43&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=telephone+counseling&page=41&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-17T07:49:54.913Z",
  "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": "NCT01122238",
      "title": "Identifying Treatments to Motivate Smokers to Quit",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Smoking",
        "Smoking Cessation",
        "Motivation",
        "Nicotine Dependence"
      ],
      "interventions": [
        {
          "name": "Nicotine Patch",
          "type": "DRUG"
        },
        {
          "name": "Nicotine Gum",
          "type": "DRUG"
        },
        {
          "name": "Motivational Interviewing",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Smoking Reduction",
          "type": "BEHAVIORAL"
        },
        {
          "name": "No Intervention",
          "type": "OTHER"
        },
        {
          "name": "Nicotine Patch + Nicotine Gum",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "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": 517,
      "start_date": "2010-06",
      "completion_date": "2014-05",
      "has_results": true,
      "last_update_posted_date": "2015-12-16",
      "last_synced_at": "2026-10-17T07:49:54.913Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01122238"
    },
    {
      "nct_id": "NCT02613689",
      "title": "Addressing Tobacco Use Disparities Through an Innovative Mobile Phone Intervention",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smokeless Tobacco Cessation"
      ],
      "interventions": [
        {
          "name": "Scheduled Gradual Reduction (SGR)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Text Messages",
          "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": 100,
      "start_date": "2016-02",
      "completion_date": "2018-12-31",
      "has_results": false,
      "last_update_posted_date": "2019-01-16",
      "last_synced_at": "2026-10-17T07:49:54.913Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02613689"
    },
    {
      "nct_id": "NCT00943618",
      "title": "Combining Varenicline and Bupropion for Smoking Cessation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Varenicline",
          "type": "DRUG"
        },
        {
          "name": "Bupropion",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        },
        {
          "name": "Counseling/Phone Calls",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER",
        "BEHAVIORAL"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "25 Years to 70 Years"
      },
      "enrollment_count": 641,
      "start_date": "2010-05-17",
      "completion_date": "2021-09-09",
      "has_results": true,
      "last_update_posted_date": "2025-05-04",
      "last_synced_at": "2026-10-17T07:49:54.913Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00943618"
    },
    {
      "nct_id": "NCT01484717",
      "title": "Interactive Voice Response Technology to Mobilize Contingency Management for Smoking Cessation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Cigarette Smoking"
      ],
      "interventions": [
        {
          "name": "contingency management for smoking abstinence",
          "type": "BEHAVIORAL"
        },
        {
          "name": "transdermal nicotine",
          "type": "DRUG"
        },
        {
          "name": "Telephone counseling",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DRUG"
      ],
      "sponsor": "UConn Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 90,
      "start_date": "2012-01",
      "completion_date": "2014-12",
      "has_results": false,
      "last_update_posted_date": "2017-02-20",
      "last_synced_at": "2026-10-17T07:49:54.913Z",
      "location_count": 1,
      "location_summary": "Farmington, Connecticut",
      "locations": [
        {
          "city": "Farmington",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01484717"
    },
    {
      "nct_id": "NCT01915810",
      "title": "Physical Activity in Promoting Smoking Cessation in African Americans",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Current Smoker",
        "Healthy Subject"
      ],
      "interventions": [
        {
          "name": "Exercise Intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Nicotine Patch",
          "type": "DRUG"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Tobacco Cessation Counseling",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER",
        "DRUG"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "21 Years to 65 Years"
      },
      "enrollment_count": 45,
      "start_date": "2014-01-29",
      "completion_date": "2027-01-31",
      "has_results": false,
      "last_update_posted_date": "2026-07-16",
      "last_synced_at": "2026-10-17T07:49:54.913Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01915810"
    },
    {
      "nct_id": "NCT04667520",
      "title": "Testing a Lifestyle Physical Activity Intervention for Women With Depression in Alcohol Treatment",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Alcohol Use Disorder",
        "Depression"
      ],
      "interventions": [
        {
          "name": "Lifestyle Physical Activity (LPA)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Fitbit Only",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Butler Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 65 Years · Female only"
      },
      "enrollment_count": 176,
      "start_date": "2021-05-10",
      "completion_date": "2026-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-10-02",
      "last_synced_at": "2026-10-17T07:49:54.913Z",
      "location_count": 1,
      "location_summary": "Providence, Rhode Island",
      "locations": [
        {
          "city": "Providence",
          "state": "Rhode Island"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04667520"
    },
    {
      "nct_id": "NCT00230880",
      "title": "The Young Woman's Reach Project: Trial of an Intervention to Impact Contraceptive Behavior, Unintended Pregnancy, and Sexually Transmitted Infections (STIs) Among Adolescent Females",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Contraceptive Behavior",
        "Sexually Transmitted Diseases"
      ],
      "interventions": [
        {
          "name": "follow-up phone counseling",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "14 Years",
        "maximum_age": "18 Years",
        "sex": "FEMALE",
        "summary": "14 Years to 18 Years · Female only"
      },
      "enrollment_count": 800,
      "start_date": "2005-07",
      "completion_date": "2009-06",
      "has_results": false,
      "last_update_posted_date": "2012-12-05",
      "last_synced_at": "2026-10-17T07:49:54.913Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00230880"
    },
    {
      "nct_id": "NCT03006913",
      "title": "Comparison of 3 Modes of Genetic Counseling in High-Risk Public Hospital Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Genetic Counseling"
      ],
      "interventions": [
        {
          "name": "In-person",
          "type": "BEHAVIORAL"
        },
        {
          "name": "By phone",
          "type": "BEHAVIORAL"
        },
        {
          "name": "By video",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 1273,
      "start_date": "2017-04-18",
      "completion_date": "2019-12-16",
      "has_results": false,
      "last_update_posted_date": "2025-03-21",
      "last_synced_at": "2026-10-17T07:49:54.913Z",
      "location_count": 3,
      "location_summary": "Martinez, California • Oakland, California • San Francisco, California",
      "locations": [
        {
          "city": "Martinez",
          "state": "California"
        },
        {
          "city": "Oakland",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03006913"
    },
    {
      "nct_id": "NCT05770570",
      "title": "Taxi ROADmAP (Realizing Optimization Around Diet And Physical Activity)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Overweight",
        "Overweight and Obesity",
        "Overweight or Obesity",
        "Obesity",
        "Obese"
      ],
      "interventions": [
        {
          "name": "Counseling",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Text Messages",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Phone calls",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Self-monitoring tools",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 1889,
      "start_date": "2022-12-22",
      "completion_date": "2027-08-11",
      "has_results": false,
      "last_update_posted_date": "2026-09-02",
      "last_synced_at": "2026-10-17T07:49:54.913Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05770570"
    },
    {
      "nct_id": "NCT02410564",
      "title": "CBT-I Intervention for Insomnia in Newly Diagnosed Cancer Patients",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cancer",
        "Chronic Insomnia"
      ],
      "interventions": [
        {
          "name": "cognitive behavioral therapy for insomnia (CBTI)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Waitlist control condition",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Virginia Commonwealth University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 29,
      "start_date": "2014-12",
      "completion_date": "2016-01",
      "has_results": false,
      "last_update_posted_date": "2016-02-10",
      "last_synced_at": "2026-10-17T07:49:54.913Z",
      "location_count": 1,
      "location_summary": "Richmond, Virginia",
      "locations": [
        {
          "city": "Richmond",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02410564"
    }
  ]
}