{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Telephone-based+intervention&page=21",
    "query": {
      "intervention": "Telephone-based intervention",
      "page": 21
    },
    "page_size": 10
  },
  "pagination": {
    "page": 21,
    "page_size": 10,
    "total_count": 1707,
    "total_pages": 171,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Telephone-based+intervention&page=22&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Telephone-based+intervention&page=20&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-20T19:08:38.051Z",
  "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": "NCT02782130",
      "title": "Epic Allies HIV ART Adherence Intervention",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "HIV"
      ],
      "interventions": [
        {
          "name": "Epic Allies App Intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Epic Allies - Control Branch",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "16 Years",
        "maximum_age": "24 Years",
        "sex": "MALE",
        "summary": "16 Years to 24 Years · Male only"
      },
      "enrollment_count": 146,
      "start_date": "2015-06",
      "completion_date": "2017-12-14",
      "has_results": false,
      "last_update_posted_date": "2018-01-18",
      "last_synced_at": "2026-10-20T19:08:38.051Z",
      "location_count": 5,
      "location_summary": "Tampa, Florida • Chicago, Illinois • New Orleans, Louisiana + 2 more",
      "locations": [
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "New Orleans",
          "state": "Louisiana"
        },
        {
          "city": "The Bronx",
          "state": "New York"
        },
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02782130"
    },
    {
      "nct_id": "NCT03341975",
      "title": "Enhanced SexHealth Intervention to Improve Adolescent Outcomes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sexually Transmitted Diseases",
        "Reproductive Behavior"
      ],
      "interventions": [
        {
          "name": "SexHealth",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Children's Mercy Hospital Kansas City",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "14 Years",
        "maximum_age": "19 Years",
        "sex": "ALL",
        "summary": "14 Years to 19 Years"
      },
      "enrollment_count": 91,
      "start_date": "2017-12-01",
      "completion_date": "2020-05-01",
      "has_results": true,
      "last_update_posted_date": "2021-02-25",
      "last_synced_at": "2026-10-20T19:08:38.051Z",
      "location_count": 1,
      "location_summary": "Kansas City, Missouri",
      "locations": [
        {
          "city": "Kansas City",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03341975"
    },
    {
      "nct_id": "NCT03672981",
      "title": "Resistance Training Program and Cardiovascular Exercise in Increasing Muscle Mass in Adolescent and Young Adult Stem Cell Transplant Survivors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Malignant Neoplasm"
      ],
      "interventions": [
        {
          "name": "Exercise Intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Telephone-Based Intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "Fred Hutchinson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": "39 Years",
        "sex": "ALL",
        "summary": "13 Years to 39 Years"
      },
      "enrollment_count": 20,
      "start_date": "2018-11-21",
      "completion_date": "2020-10-31",
      "has_results": false,
      "last_update_posted_date": "2020-11-16",
      "last_synced_at": "2026-10-20T19:08:38.051Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03672981"
    },
    {
      "nct_id": "NCT05234372",
      "title": "MiVacunaLA: an Intervention to Improve COVID-19 Vaccination Behaviors Among Latinos",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "COVID-19 Pandemic"
      ],
      "interventions": [
        {
          "name": "mivacunaLA",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Cedars-Sinai Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 468,
      "start_date": "2022-06-01",
      "completion_date": "2022-12-31",
      "has_results": false,
      "last_update_posted_date": "2025-12-16",
      "last_synced_at": "2026-10-20T19:08:38.051Z",
      "location_count": 2,
      "location_summary": "Los Angeles, California • Malibu, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Malibu",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05234372"
    },
    {
      "nct_id": "NCT03689530",
      "title": "Using Peer Support to Aid in Prevention and Treatment in Prediabetes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "PreDiabetes"
      ],
      "interventions": [
        {
          "name": "Peer Support",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Enhanced Usual Care",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Michigan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 450,
      "start_date": "2018-10-02",
      "completion_date": "2022-04-15",
      "has_results": true,
      "last_update_posted_date": "2023-03-03",
      "last_synced_at": "2026-10-20T19:08:38.051Z",
      "location_count": 2,
      "location_summary": "Oakland, California • Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Oakland",
          "state": "California"
        },
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03689530"
    },
    {
      "nct_id": "NCT05500274",
      "title": "Social Network Diffusion of COVID-19 Prevention for Diverse Criminal Legal Involved Communities",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "COVID-19"
      ],
      "interventions": [
        {
          "name": "Education",
          "type": "OTHER"
        },
        {
          "name": "Motivational",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 778,
      "start_date": "2023-01-10",
      "completion_date": "2024-05-31",
      "has_results": true,
      "last_update_posted_date": "2025-05-18",
      "last_synced_at": "2026-10-20T19:08:38.051Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05500274"
    },
    {
      "nct_id": "NCT03921840",
      "title": "A Personalized Behavioral Intervention for Older Adults With Musculoskeletal Pain and Sleep Complaints",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sleep",
        "Pain"
      ],
      "interventions": [
        {
          "name": "ELDERFITNESS",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Control",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "60 Years to 85 Years"
      },
      "enrollment_count": 27,
      "start_date": "2019-07-01",
      "completion_date": "2020-09-10",
      "has_results": true,
      "last_update_posted_date": "2022-11-04",
      "last_synced_at": "2026-10-20T19:08:38.051Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03921840"
    },
    {
      "nct_id": "NCT02749955",
      "title": "Partner Services Pre-exposure Prophylaxis (PS-PrEP)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "HIV Transmission, Transtheoretical Model of Change"
      ],
      "interventions": [
        {
          "name": "PS-PrEP Intervention Group",
          "type": "BEHAVIORAL"
        },
        {
          "name": "PrEPLine Control Group",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "MALE",
        "summary": "18 Years to 35 Years · Male only"
      },
      "enrollment_count": 164,
      "start_date": "2015-11",
      "completion_date": "2018-07-30",
      "has_results": false,
      "last_update_posted_date": "2025-07-09",
      "last_synced_at": "2026-10-20T19:08:38.051Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02749955"
    },
    {
      "nct_id": "NCT04199052",
      "title": "LinkPositively: A Technology-Delivered Peer Navigation and Social Networking Intervention to Improve HIV Care",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "HIV/AIDS"
      ],
      "interventions": [
        {
          "name": "LinkPositively",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, San Diego",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 53,
      "start_date": "2021-09-14",
      "completion_date": "2023-10-31",
      "has_results": true,
      "last_update_posted_date": "2025-07-03",
      "last_synced_at": "2026-10-20T19:08:38.051Z",
      "location_count": 1,
      "location_summary": "San Diego, California",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04199052"
    },
    {
      "nct_id": "NCT02420015",
      "title": "Mobile Health Technology to Enhance Abstinence in Smokers With Schizophrenia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Schizophrenia",
        "Cigarette Smoking"
      ],
      "interventions": [
        {
          "name": "Nicotine replacement therapy",
          "type": "DRUG"
        },
        {
          "name": "Bupropion",
          "type": "DRUG"
        },
        {
          "name": "cognitive-behavioral smoking cessation counseling",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Mobile Contingency Management",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Stay Quit Coach",
          "type": "BEHAVIORAL"
        },
        {
          "name": "SMS text messaging",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "Duke University",
      "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": 35,
      "start_date": "2017-03-27",
      "completion_date": "2019-01-24",
      "has_results": true,
      "last_update_posted_date": "2019-07-10",
      "last_synced_at": "2026-10-20T19:08:38.051Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02420015"
    }
  ]
}