{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Telephone-based+intervention&page=51",
    "query": {
      "intervention": "Telephone-based intervention",
      "page": 51
    },
    "page_size": 10
  },
  "pagination": {
    "page": 51,
    "page_size": 10,
    "total_count": 1710,
    "total_pages": 171,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Telephone-based+intervention&page=52&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Telephone-based+intervention&page=50&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-26T08:35:55.516Z",
  "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": "NCT03871075",
      "title": "Intermittent Pneumatic Compression With and Without Exercise to Improve Functioning in Peripheral Artery Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Peripheral Artery Disease"
      ],
      "interventions": [
        {
          "name": "intermittent pneumatic compression",
          "type": "DEVICE"
        },
        {
          "name": "exercise",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Sham device",
          "type": "DEVICE"
        },
        {
          "name": "Health Education",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "BEHAVIORAL"
      ],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "55 Years and older"
      },
      "enrollment_count": 211,
      "start_date": "2019-01-02",
      "completion_date": "2026-09-17",
      "has_results": false,
      "last_update_posted_date": "2026-09-29",
      "last_synced_at": "2026-10-26T08:35:55.516Z",
      "location_count": 4,
      "location_summary": "Chicago, Illinois • Detroit, Michigan • Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Detroit",
          "state": "Michigan"
        },
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03871075"
    },
    {
      "nct_id": "NCT04222673",
      "title": "Peer Based Suicide Prevention",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Suicide"
      ],
      "interventions": [
        {
          "name": "Peer Specialist Suicide Prevention",
          "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": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 17,
      "start_date": "2021-05-14",
      "completion_date": "2024-03-30",
      "has_results": true,
      "last_update_posted_date": "2025-11-05",
      "last_synced_at": "2026-10-26T08:35:55.516Z",
      "location_count": 3,
      "location_summary": "West Haven, Connecticut • Ann Arbor, Michigan • Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "West Haven",
          "state": "Connecticut"
        },
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04222673"
    },
    {
      "nct_id": "NCT02513069",
      "title": "Mobile Contingency Management for Smoking Cessation in Returning US Veterans",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking",
        "Veterans"
      ],
      "interventions": [
        {
          "name": "Nicotine gum",
          "type": "OTHER"
        },
        {
          "name": "mobile contingency management",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Telephone counseling",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Nicotine patch",
          "type": "OTHER"
        },
        {
          "name": "Nicotine lozenge",
          "type": "OTHER"
        },
        {
          "name": "Smart phone",
          "type": "OTHER"
        },
        {
          "name": "Carbon monoxide monitor",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER",
        "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": 291,
      "start_date": "2015-01",
      "completion_date": "2019-02-14",
      "has_results": false,
      "last_update_posted_date": "2020-02-21",
      "last_synced_at": "2026-10-26T08:35:55.516Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02513069"
    },
    {
      "nct_id": "NCT03326141",
      "title": "Community-based Intervention Effects on Older Adults' Physical Activity",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Exercise",
        "Physical Activity",
        "Accidental Fall",
        "Motivation",
        "Older Adults"
      ],
      "interventions": [
        {
          "name": "Otago Exercise Program",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Physical activity monitors (e.g., Fitbit)",
          "type": "DEVICE"
        },
        {
          "name": "Interpersonal Behavior Change Strategies",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Intrapersonal Behavior Change Strategies",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Information about Health and Wellness",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "70 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "70 Years and older"
      },
      "enrollment_count": 309,
      "start_date": "2017-11-17",
      "completion_date": "2023-10-31",
      "has_results": true,
      "last_update_posted_date": "2024-04-24",
      "last_synced_at": "2026-10-26T08:35:55.516Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03326141"
    },
    {
      "nct_id": "NCT04215029",
      "title": "Lifestyle Intervention for the Reduction of Prostate Cancer Disparities Among African Americans",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cancer Survivor",
        "Partner",
        "Spouse",
        "Stage I Prostate Cancer AJCC v8",
        "Stage II Prostate Cancer AJCC v8",
        "Stage IIA Prostate Cancer AJCC v8",
        "Stage IIB Prostate Cancer AJCC v8",
        "Stage IIC Prostate Cancer AJCC v8",
        "Stage III Prostate Cancer AJCC v8",
        "Stage IIIA Prostate Cancer AJCC v8",
        "Stage IIIB Prostate Cancer AJCC v8",
        "Stage IIIC Prostate Cancer AJCC v8"
      ],
      "interventions": [
        {
          "name": "Exercise Intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Informational Intervention",
          "type": "OTHER"
        },
        {
          "name": "Interview",
          "type": "OTHER"
        },
        {
          "name": "Nutritional Assessment",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Telephone-Based Intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "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": 6,
      "start_date": "2019-08-27",
      "completion_date": "2026-07-31",
      "has_results": false,
      "last_update_posted_date": "2026-04-15",
      "last_synced_at": "2026-10-26T08:35:55.516Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04215029"
    },
    {
      "nct_id": "NCT03523923",
      "title": "TBI Care: Collaborative Care for Pain After Traumatic Brain Injury (TBI)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Brain Injuries, Traumatic",
        "Chronic Pain",
        "Post-Traumatic Headache"
      ],
      "interventions": [
        {
          "name": "Collaborative Care",
          "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": 158,
      "start_date": "2018-06-18",
      "completion_date": "2022-09-30",
      "has_results": false,
      "last_update_posted_date": "2022-11-01",
      "last_synced_at": "2026-10-26T08:35:55.516Z",
      "location_count": 2,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03523923"
    },
    {
      "nct_id": "NCT00136279",
      "title": "Linking Lives: Building Quality Parent Components for School-Based Health Programs in Middle Schools",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking",
        "Sexual Behavior"
      ],
      "interventions": [
        {
          "name": "Linking Lives parent-based intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Centers for Disease Control and Prevention",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 9510,
      "start_date": "2004-01",
      "completion_date": "2007-09",
      "has_results": false,
      "last_update_posted_date": "2009-02-03",
      "last_synced_at": "2026-10-26T08:35:55.516Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00136279"
    },
    {
      "nct_id": "NCT07557303",
      "title": "Supporting Just-In-Time Consent for Prenatal Screening: The INFORM Study",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Delivery of Health Care",
        "Genetic Testing",
        "Humans",
        "Pregnancy",
        "Noninvasive Prenatal Testing",
        "Informed Consent",
        "Internet-Based Intervention",
        "Self Efficacy",
        "Pregnant People",
        "Decision Making",
        "Health Education",
        "Patient Education as Topic/Method"
      ],
      "interventions": [
        {
          "name": "Mobile-based Educational Intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Case Western Reserve University",
      "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": 1400,
      "start_date": "2026-09-10",
      "completion_date": "2028-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-09-22",
      "last_synced_at": "2026-10-26T08:35:55.516Z",
      "location_count": 3,
      "location_summary": "San Francisco, California • Jacksonville, Florida • Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07557303"
    },
    {
      "nct_id": "NCT03500835",
      "title": "An Addiction-Based Mobile Health Weight Loss Intervention With Coaching",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pediatric Obesity",
        "Mobile Technology",
        "Addiction"
      ],
      "interventions": [
        {
          "name": "App",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Coaching",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Clinic: Modified KidsNFitness",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Children's Hospital Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "14 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "14 Years to 18 Years"
      },
      "enrollment_count": 161,
      "start_date": "2019-01-01",
      "completion_date": "2023-12-19",
      "has_results": true,
      "last_update_posted_date": "2024-12-06",
      "last_synced_at": "2026-10-26T08:35:55.516Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03500835"
    },
    {
      "nct_id": "NCT02997735",
      "title": "Parent eReferral to Tobacco Quitline",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Secondhand Smoke"
      ],
      "interventions": [
        {
          "name": "Quitline Delivered Treatment",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Children's Hospital of Philadelphia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 484,
      "start_date": "2017-01-11",
      "completion_date": "2018-08",
      "has_results": true,
      "last_update_posted_date": "2019-10-28",
      "last_synced_at": "2026-10-26T08:35:55.516Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02997735"
    }
  ]
}