{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Phone+counseling+%26+self-help+materials",
    "query": {
      "intervention": "Phone counseling & self-help materials"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 47,
    "total_pages": 5,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Phone+counseling+%26+self-help+materials&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-10-04T12:10:57.909Z",
  "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": "NCT04935606",
      "title": "mHealth to Enhance & Sustain Drug Use Reduction of the QUIT BI in Primary Care",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Drug Use"
      ],
      "interventions": [
        {
          "name": "Usual Care",
          "type": "BEHAVIORAL"
        },
        {
          "name": "QUIT Intervention (doctor brief advice, video doctor, health coaching sessions at 2- and 6-weeks)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "QUIT-Mobile (QUIT Intervention plus weekly mobile-web app or text message weekly self-monitoring, automated feedback over 12 months)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 457,
      "start_date": "2021-06-01",
      "completion_date": "2026-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-07-30",
      "last_synced_at": "2026-10-04T12:10:57.909Z",
      "location_count": 5,
      "location_summary": "Long Beach, California • Los Angeles, California",
      "locations": [
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04935606"
    },
    {
      "nct_id": "NCT01341938",
      "title": "Nicotine Lozenges and Assisted Self-help for Smokeless Tobacco Cessation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smokeless Tobacco Cessation"
      ],
      "interventions": [
        {
          "name": "Commit® nicotine lozenges (4 mg) & self-help materials",
          "type": "DRUG"
        },
        {
          "name": "Commit® nicotine lozenges (4 mg) & phone counseling & self-help materials",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Phone counseling & self-help materials",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "Oregon Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1067,
      "start_date": "2011-07",
      "completion_date": "2012-11",
      "has_results": false,
      "last_update_posted_date": "2021-08-04",
      "last_synced_at": "2026-10-04T12:10:57.909Z",
      "location_count": 1,
      "location_summary": "Eugene, Oregon",
      "locations": [
        {
          "city": "Eugene",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01341938"
    },
    {
      "nct_id": "NCT02267096",
      "title": "Lombardi Comprehensive Cancer Center/Legacy Pilot Study to Reduce Adverse Smoking Outcomes in the Context of Lung Cancer Screening",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Smoking",
        "Lung Cancer"
      ],
      "interventions": [
        {
          "name": "Telephone Counseling",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Minimal Treatment",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Georgetown University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "55 Years to 80 Years"
      },
      "enrollment_count": 95,
      "start_date": "2014-01",
      "completion_date": "2016-08",
      "has_results": false,
      "last_update_posted_date": "2016-10-19",
      "last_synced_at": "2026-10-04T12:10:57.909Z",
      "location_count": 3,
      "location_summary": "Washington D.C., District of Columbia • Burlington, Massachusetts • Hackensack, New Jersey",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Burlington",
          "state": "Massachusetts"
        },
        {
          "city": "Hackensack",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02267096"
    },
    {
      "nct_id": "NCT00991081",
      "title": "Behaviorally Enhanced Counseling on Nicotine Dependence (BEACON) Trial.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Smoking"
      ],
      "interventions": [
        {
          "name": "Counseling",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Self-help guide",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Pharmacotherapy",
          "type": "DRUG"
        },
        {
          "name": "Genetic feedback, verbal",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Genetic feedback, printed",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DRUG"
      ],
      "sponsor": "Stanford University",
      "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": "2009-07",
      "completion_date": "2011-03",
      "has_results": true,
      "last_update_posted_date": "2012-09-19",
      "last_synced_at": "2026-10-04T12:10:57.909Z",
      "location_count": 3,
      "location_summary": "Menlo Park, California • Stanford, California • Seattle, Washington",
      "locations": [
        {
          "city": "Menlo Park",
          "state": "California"
        },
        {
          "city": "Stanford",
          "state": "California"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00991081"
    },
    {
      "nct_id": "NCT01561326",
      "title": "Facilitating Follow-Up Adherence for Abnormal Pap Smears",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Uterine Cervical Neoplasms"
      ],
      "interventions": [
        {
          "name": "Cognitive-affective barriers counseling",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Cognitive-affective barriers counseling via brochure",
          "type": "BEHAVIORAL"
        },
        {
          "name": "standard care",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Fox Chase 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": 211,
      "start_date": "2005-05",
      "completion_date": "2011-06",
      "has_results": false,
      "last_update_posted_date": "2012-03-23",
      "last_synced_at": "2026-10-04T12:10:57.909Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01561326"
    },
    {
      "nct_id": "NCT02046343",
      "title": "Promotora-Led Physical Activity Intervention Trial for Latinas in Texas",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Physical Activity"
      ],
      "interventions": [
        {
          "name": "Health education",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Telephone Counseling",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Newsletter",
          "type": "OTHER"
        },
        {
          "name": "Environmental Change",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "The University of Texas Health Science Center at San Antonio",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "64 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 64 Years · Female only"
      },
      "enrollment_count": 712,
      "start_date": "2012-08",
      "completion_date": "2016-12-31",
      "has_results": false,
      "last_update_posted_date": "2018-08-31",
      "last_synced_at": "2026-10-04T12:10:57.909Z",
      "location_count": 1,
      "location_summary": "San Antonio, Texas",
      "locations": [
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02046343"
    },
    {
      "nct_id": "NCT06722755",
      "title": "Stroke and CPAP Outcome Study 3 Randomized Controlled Trial",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Stroke Patients",
        "CPAP",
        "OSA - Obstructive Sleep Apnea"
      ],
      "interventions": [
        {
          "name": "CPAP device",
          "type": "DEVICE"
        },
        {
          "name": "CPAP technical support",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Phone follow-up for adherence feedback and self-management skills",
          "type": "BEHAVIORAL"
        },
        {
          "name": "myAir",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Tailored messages",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Written Materials",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Motivational Enhancement Therapy (MET)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "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": 250,
      "start_date": "2025-01-15",
      "completion_date": "2028-05",
      "has_results": false,
      "last_update_posted_date": "2026-08-13",
      "last_synced_at": "2026-10-04T12:10:57.909Z",
      "location_count": 2,
      "location_summary": "Downey, California • Seattle, Washington",
      "locations": [
        {
          "city": "Downey",
          "state": "California"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06722755"
    },
    {
      "nct_id": "NCT03326713",
      "title": "Genetic Risk Assessment for Cancer Education and Empowerment (GRACE) Project",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Breast Cancer",
        "Ovarian Cancer"
      ],
      "interventions": [
        {
          "name": "Telephone Counseling & Navigation (TCN)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Mailed Targeted Print (TP)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Usual Care (UC)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "Rutgers, The State University of New Jersey",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "21 Years and older · Female only"
      },
      "enrollment_count": 668,
      "start_date": "2017-11-02",
      "completion_date": "2022-06-02",
      "has_results": true,
      "last_update_posted_date": "2026-06-25",
      "last_synced_at": "2026-10-04T12:10:57.909Z",
      "location_count": 1,
      "location_summary": "New Brunswick, New Jersey",
      "locations": [
        {
          "city": "New Brunswick",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03326713"
    },
    {
      "nct_id": "NCT01294657",
      "title": "Obesity: Cancer Risk Among African Americans",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cancer",
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Health Education",
          "type": "BEHAVIORAL"
        },
        {
          "name": "MAPS",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 300,
      "start_date": "2011-01",
      "completion_date": "2021-01",
      "has_results": false,
      "last_update_posted_date": "2019-05-10",
      "last_synced_at": "2026-10-04T12:10:57.909Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01294657"
    },
    {
      "nct_id": "NCT01155011",
      "title": "Multilevel Intervention for Physical Activity in Retirement Communities",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Physical Activity",
        "Blood Pressure",
        "Physical Functioning",
        "Quality of Life",
        "Sedentary"
      ],
      "interventions": [
        {
          "name": "Physical Activity",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Group educational sessions",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Phone counseling call",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Peer Mentoring",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Policy Change",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Support",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Tailored environmental resources",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Health check phone call",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Pedometer",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, San Diego",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "65 Years and older"
      },
      "enrollment_count": 307,
      "start_date": "2011-01",
      "completion_date": "2014-07",
      "has_results": true,
      "last_update_posted_date": "2017-08-31",
      "last_synced_at": "2026-10-04T12:10:57.909Z",
      "location_count": 1,
      "location_summary": "La Jolla, California",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01155011"
    }
  ]
}