{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Telephone+message&page=19",
    "query": {
      "intervention": "Telephone message",
      "page": 19
    },
    "page_size": 10
  },
  "pagination": {
    "page": 19,
    "page_size": 10,
    "total_count": 769,
    "total_pages": 77,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Telephone+message&page=20&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Telephone+message&page=18&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-25T02:03:11.482Z",
  "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": "NCT03232762",
      "title": "Effects of Diet on Pregnancy Outcome and Child Obesity",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pregnancy Related",
        "Diet Modification",
        "Obesity",
        "Hypertension",
        "Pre-Eclampsia",
        "Blood Pressure",
        "Breast Feeding",
        "Birth Weight"
      ],
      "interventions": [
        {
          "name": "Refined Grains",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Whole Grains",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "NYU Langone Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 45 Years · Female only"
      },
      "enrollment_count": 303,
      "start_date": "2017-10-03",
      "completion_date": "2019-08-22",
      "has_results": false,
      "last_update_posted_date": "2019-11-13",
      "last_synced_at": "2026-10-25T02:03:11.482Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03232762"
    },
    {
      "nct_id": "NCT06872307",
      "title": "Intervention to Enhance PrEP Persistence",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "HIV Prevention",
        "HIV Infection Primary"
      ],
      "interventions": [
        {
          "name": "RAMP-It-Up Initiation, Adherence, and Retention Intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Brown University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 300,
      "start_date": "2024-10-01",
      "completion_date": "2028-07-31",
      "has_results": false,
      "last_update_posted_date": "2026-10-16",
      "last_synced_at": "2026-10-25T02:03:11.482Z",
      "location_count": 3,
      "location_summary": "Atlanta, Georgia • Jackson, Mississippi • Providence, Rhode Island",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Jackson",
          "state": "Mississippi"
        },
        {
          "city": "Providence",
          "state": "Rhode Island"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06872307"
    },
    {
      "nct_id": "NCT07857200",
      "title": "The Use of Risk Prediction to Identify Patients at Risk for Chronic Kidney Disease: Patient and Provider Interventions for Patients at High Risk for Chronic Kidney Disease",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "CKD - Chronic Kidney Disease"
      ],
      "interventions": [
        {
          "name": "Letter Intervention",
          "type": "OTHER"
        },
        {
          "name": "Letter + Phone Call Intervention:",
          "type": "OTHER"
        },
        {
          "name": "Augmented usual care",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Kaiser Permanente",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 1500,
      "start_date": "2026-08-20",
      "completion_date": "2027-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-10-05",
      "last_synced_at": "2026-10-25T02:03:11.482Z",
      "location_count": 1,
      "location_summary": "Portland, Oregon",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07857200"
    },
    {
      "nct_id": "NCT06666309",
      "title": "Adaptive Intervention Strategies for HIV PrEP Care in Rural People Who Inject Drugs",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "HIV Prevention"
      ],
      "interventions": [
        {
          "name": "SBCM-PrEP + Text Messaging",
          "type": "BEHAVIORAL"
        },
        {
          "name": "CDC-PrEP + Text Messaging",
          "type": "BEHAVIORAL"
        },
        {
          "name": "T-SBCM",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Mobile Outreach",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Hilary L Surratt, PhD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 424,
      "start_date": "2025-05-14",
      "completion_date": "2029-01",
      "has_results": false,
      "last_update_posted_date": "2026-05-11",
      "last_synced_at": "2026-10-25T02:03:11.482Z",
      "location_count": 4,
      "location_summary": "Barbourville, Kentucky • Lexington, Kentucky • Manchester, Kentucky + 1 more",
      "locations": [
        {
          "city": "Barbourville",
          "state": "Kentucky"
        },
        {
          "city": "Lexington",
          "state": "Kentucky"
        },
        {
          "city": "Manchester",
          "state": "Kentucky"
        },
        {
          "city": "Richmond",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06666309"
    },
    {
      "nct_id": "NCT04656899",
      "title": "Mobile Medication Adherence Platform for Buprenorphine-Naloxone During Treatment of Opioid Use Disorder: Phase I Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Opioid-use Disorder"
      ],
      "interventions": [
        {
          "name": "Reminders messages to improve adherence.",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Washington State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 41,
      "start_date": "2020-12-06",
      "completion_date": "2021-10-11",
      "has_results": true,
      "last_update_posted_date": "2023-03-14",
      "last_synced_at": "2026-10-25T02:03:11.482Z",
      "location_count": 1,
      "location_summary": "Spokane, Washington",
      "locations": [
        {
          "city": "Spokane",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04656899"
    },
    {
      "nct_id": "NCT04522245",
      "title": "Evaluation of Brain Activity Changes After a Behavior Change Weight Loss Intervention",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity",
        "Behavior, Health",
        "Weight Loss"
      ],
      "interventions": [
        {
          "name": "Noom Healthy Weight; mobile behavior change program for weight loss.",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Matched Control",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "Noom Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 70,
      "start_date": "2020-10-01",
      "completion_date": "2021-07-15",
      "has_results": false,
      "last_update_posted_date": "2021-07-20",
      "last_synced_at": "2026-10-25T02:03:11.482Z",
      "location_count": 1,
      "location_summary": "Commack, New York",
      "locations": [
        {
          "city": "Commack",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04522245"
    },
    {
      "nct_id": "NCT03148145",
      "title": "CalFitness Smartphone-Delivered Physical Activity Intervention With Messaging",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sedentary Lifestyle",
        "Physical Activity"
      ],
      "interventions": [
        {
          "name": "Step Goal Delivery by Smartphone",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Message Delivery by Smartphone",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, Berkeley",
      "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": 40,
      "start_date": "2017-02-01",
      "completion_date": "2017-05-31",
      "has_results": false,
      "last_update_posted_date": "2018-10-10",
      "last_synced_at": "2026-10-25T02:03:11.482Z",
      "location_count": 1,
      "location_summary": "Berkeley, California",
      "locations": [
        {
          "city": "Berkeley",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03148145"
    },
    {
      "nct_id": "NCT04022772",
      "title": "Effect of PACK Health Support Program on Patient Reported Outcomes in Patients With Breast Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Breast Carcinoma",
        "Breast Ductal Carcinoma In Situ",
        "Invasive Breast Carcinoma",
        "Recurrent Breast Carcinoma"
      ],
      "interventions": [
        {
          "name": "Best Practice",
          "type": "OTHER"
        },
        {
          "name": "Medical Chart Review",
          "type": "OTHER"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Supportive Care",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "M.D. Anderson 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": 287,
      "start_date": "2019-07-31",
      "completion_date": "2023-07-27",
      "has_results": false,
      "last_update_posted_date": "2023-08-07",
      "last_synced_at": "2026-10-25T02:03:11.482Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04022772"
    },
    {
      "nct_id": "NCT03880461",
      "title": "A Mobile Health Intervention to Achieve Appropriate Gestational Weight Gain in Overweight/Obese Women",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Gestational Weight Gain"
      ],
      "interventions": [
        {
          "name": "Lifestyle Intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Kaiser Permanente",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "21 Years to 45 Years · Female only"
      },
      "enrollment_count": 1335,
      "start_date": "2021-01-21",
      "completion_date": "2025-03-31",
      "has_results": true,
      "last_update_posted_date": "2026-07-29",
      "last_synced_at": "2026-10-25T02:03:11.482Z",
      "location_count": 4,
      "location_summary": "Oakland, California • Redwood City, California • San Francisco, California + 1 more",
      "locations": [
        {
          "city": "Oakland",
          "state": "California"
        },
        {
          "city": "Redwood City",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Santa Clara",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03880461"
    },
    {
      "nct_id": "NCT01990079",
      "title": "Use of Technological Advances to Prevent Smoking Relapse Among Smokers With PTSD",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "PTSD",
        "Smoking"
      ],
      "interventions": [
        {
          "name": "Bupropion",
          "type": "DRUG"
        },
        {
          "name": "nicotine replacement therapy",
          "type": "DRUG"
        },
        {
          "name": "Smoking cessation counseling",
          "type": "OTHER"
        },
        {
          "name": "mobile contingency management",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Stay Quit Coach",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER",
        "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": 15,
      "start_date": "2013-12",
      "completion_date": "2015-08",
      "has_results": false,
      "last_update_posted_date": "2026-05-18",
      "last_synced_at": "2026-10-25T02:03:11.482Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01990079"
    }
  ]
}