{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Telephone+Questionnaire&page=24",
    "query": {
      "intervention": "Telephone Questionnaire",
      "page": 24
    },
    "page_size": 10
  },
  "pagination": {
    "page": 24,
    "page_size": 10,
    "total_count": 589,
    "total_pages": 59,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Telephone+Questionnaire&page=25&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Telephone+Questionnaire&page=23&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-21T10:18:20.994Z",
  "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": "NCT07164456",
      "title": "Together Stronger: A Family-centered Lifestyle Intervention for Black Prostate Cancer Survivors and Their Caregivers",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Family Centered",
        "Black Ethnicity",
        "Prostate Cancer Survivors"
      ],
      "interventions": [
        {
          "name": "Education sessions",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire",
          "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": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 648,
      "start_date": "2026-01-13",
      "completion_date": "2033-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-03-09",
      "last_synced_at": "2026-10-21T10:18:20.994Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07164456"
    },
    {
      "nct_id": "NCT07590804",
      "title": "A Dietary Study for People With Clonal Hematopoiesis",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Clonal Hematopoiesis"
      ],
      "interventions": [
        {
          "name": "high-fiber plant-based meals",
          "type": "OTHER"
        },
        {
          "name": "fermented foods",
          "type": "OTHER"
        },
        {
          "name": "supplements",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "surveys",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Memorial Sloan Kettering 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": 36,
      "start_date": "2026-05-04",
      "completion_date": "2027-05",
      "has_results": false,
      "last_update_posted_date": "2026-05-15",
      "last_synced_at": "2026-10-21T10:18:20.994Z",
      "location_count": 7,
      "location_summary": "Basking Ridge, New Jersey • Middletown, New Jersey • Montvale, New Jersey + 4 more",
      "locations": [
        {
          "city": "Basking Ridge",
          "state": "New Jersey"
        },
        {
          "city": "Middletown",
          "state": "New Jersey"
        },
        {
          "city": "Montvale",
          "state": "New Jersey"
        },
        {
          "city": "Commack",
          "state": "New York"
        },
        {
          "city": "Harrison",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07590804"
    },
    {
      "nct_id": "NCT03344406",
      "title": "A Study to Evaluate Conceptual Saturation of Evaluating Respiratory Symptoms (E-RS) in Subjects With Asthma",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "Telephonic interviews",
          "type": "OTHER"
        },
        {
          "name": "E-RS: COPD",
          "type": "OTHER"
        },
        {
          "name": "Supplemental asthma items",
          "type": "OTHER"
        },
        {
          "name": "Daily diary",
          "type": "OTHER"
        },
        {
          "name": "Sociodemographic questionnaire",
          "type": "OTHER"
        },
        {
          "name": "Clinical questionnaire",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 25,
      "start_date": "2017-12-01",
      "completion_date": "2018-09-10",
      "has_results": false,
      "last_update_posted_date": "2019-04-16",
      "last_synced_at": "2026-10-21T10:18:20.994Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03344406"
    },
    {
      "nct_id": "NCT03135782",
      "title": "Provider Training in Increasing Patient Tobacco Cessation Counseling and Referrals for Patients With Cancer Undergoing Radiation Therapy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Breast Carcinoma",
        "Caregiver",
        "Head and Neck Carcinoma",
        "Lung Carcinoma",
        "Prostate Carcinoma",
        "Tobacco Use"
      ],
      "interventions": [
        {
          "name": "Communication Skills Training",
          "type": "OTHER"
        },
        {
          "name": "Medical Chart Review",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Tobacco Cessation Counseling",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "OHSU Knight Cancer Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 2,
      "start_date": "2017-08-01",
      "completion_date": "2020-09-23",
      "has_results": false,
      "last_update_posted_date": "2021-03-05",
      "last_synced_at": "2026-10-21T10:18:20.994Z",
      "location_count": 1,
      "location_summary": "Portland, Oregon",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03135782"
    },
    {
      "nct_id": "NCT01615770",
      "title": "Behavioral Maintenance Treatment for Smoking Cessation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking"
      ],
      "interventions": [
        {
          "name": "cognitive behavior therapy",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 304,
      "start_date": "2004-02",
      "completion_date": "2009-06",
      "has_results": false,
      "last_update_posted_date": "2016-03-03",
      "last_synced_at": "2026-10-21T10:18:20.994Z",
      "location_count": 2,
      "location_summary": "San Jose, California • Stanford, California",
      "locations": [
        {
          "city": "San Jose",
          "state": "California"
        },
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01615770"
    },
    {
      "nct_id": "NCT04694846",
      "title": "Effectiveness of an Enhanced Tobacco Intervention Protocol Compared to Standard Treatment in Helping Head and Neck and Lung Cancer Patients Starting Treatment to Reduce Cigarette Use",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Lung Non-Small Cell Carcinoma",
        "Head and Neck Squamous Cell Carcinoma"
      ],
      "interventions": [
        {
          "name": "Nicotine Replacement",
          "type": "DRUG"
        },
        {
          "name": "Bupropion Hydrochloride Controlled-release",
          "type": "DRUG"
        },
        {
          "name": "Varenicline",
          "type": "DRUG"
        },
        {
          "name": "Tobacco Cessation Counseling",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Quality of Life Assessment",
          "type": "OTHER"
        },
        {
          "name": "Best Practice",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Thomas Jefferson University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 19,
      "start_date": "2020-08-19",
      "completion_date": "2024-08-16",
      "has_results": false,
      "last_update_posted_date": "2025-09-09",
      "last_synced_at": "2026-10-21T10:18:20.994Z",
      "location_count": 2,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04694846"
    },
    {
      "nct_id": "NCT00957424",
      "title": "Acceptability of Less Harmful Alternatives to Cigarettes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Bladder Cancer",
        "Cervical Cancer",
        "Esophageal Cancer",
        "Gastric Cancer",
        "Head and Neck Cancer",
        "Kidney Cancer",
        "Leukemia",
        "Liver Cancer",
        "Lung Cancer",
        "Pancreatic Cancer",
        "Tobacco Use Disorder"
      ],
      "interventions": [
        {
          "name": "telephone-based intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "nicotine replacement therapy",
          "type": "DRUG"
        },
        {
          "name": "informational intervention",
          "type": "OTHER"
        },
        {
          "name": "internet-based intervention",
          "type": "OTHER"
        },
        {
          "name": "questionnaire administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Roswell Park Cancer Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "120 Years",
        "sex": "ALL",
        "summary": "18 Years to 120 Years"
      },
      "enrollment_count": 67,
      "start_date": "2009-06",
      "completion_date": "2011-11",
      "has_results": true,
      "last_update_posted_date": "2017-02-07",
      "last_synced_at": "2026-10-21T10:18:20.994Z",
      "location_count": 1,
      "location_summary": "Buffalo, New York",
      "locations": [
        {
          "city": "Buffalo",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00957424"
    },
    {
      "nct_id": "NCT01448551",
      "title": "MPOWERed Messages: Tailored Mobile Messages to Enhance Weight Loss for Teens",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Tailored Mobile Messages to Enhance Weight Loss for Teens",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Michigan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "12 Years to 18 Years"
      },
      "enrollment_count": 50,
      "start_date": "2011-10",
      "completion_date": "2015-10",
      "has_results": false,
      "last_update_posted_date": "2016-12-21",
      "last_synced_at": "2026-10-21T10:18:20.994Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01448551"
    },
    {
      "nct_id": "NCT02194387",
      "title": "Energy Balance Interventions in Increasing Physical Activity in Breast Cancer Gene Positive Patients, Lynch Syndrome-Positive Patients, CLL Survivors or High-Risk Family Members",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Body Mass Index 25 or Greater",
        "BRCA1 Gene Mutation",
        "BRCA2 Gene Mutation",
        "Breast Carcinoma",
        "Cancer Survivor",
        "Chronic Lymphocytic Leukemia",
        "Fatigue",
        "Health Status Unknown",
        "Lynch Syndrome",
        "Ovarian Carcinoma",
        "Overweight"
      ],
      "interventions": [
        {
          "name": "Dietary Intervention",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Internet-Based Intervention",
          "type": "OTHER"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Telephone-Based Intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "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": 337,
      "start_date": "2014-09-17",
      "completion_date": "2027-09-30",
      "has_results": false,
      "last_update_posted_date": "2026-09-16",
      "last_synced_at": "2026-10-21T10:18:20.994Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02194387"
    },
    {
      "nct_id": "NCT07148232",
      "title": "Extended Intervention for Tobacco Use (EXIT) for People Experiencing Homelessness",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Tobacco Cessation",
        "Tobacco Abstinence",
        "Tobacco Use",
        "Tobacco Use Cessation",
        "Tobacco Dependence"
      ],
      "interventions": [
        {
          "name": "Nicotine Replacement Therapy (NRT)",
          "type": "DRUG"
        },
        {
          "name": "Wellness Coaching",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "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": 150,
      "start_date": "2025-11-14",
      "completion_date": "2027-06-30",
      "has_results": false,
      "last_update_posted_date": "2025-11-21",
      "last_synced_at": "2026-10-21T10:18:20.994Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07148232"
    }
  ]
}