{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=PrEP+messages&page=2",
    "query": {
      "intervention": "PrEP messages",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=PrEP+messages&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-26T11:23:27.171Z",
  "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": "NCT03134833",
      "title": "Engaging Seronegative Youth to Optimize HIV Prevention Continuum",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "HIV",
        "Mental Health",
        "Substance Use",
        "STI"
      ],
      "interventions": [
        {
          "name": "Automated Messaging & Monitoring",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Peer Support",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Coaching",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "24 Years",
        "sex": "ALL",
        "summary": "12 Years to 24 Years"
      },
      "enrollment_count": 1478,
      "start_date": "2017-05-06",
      "completion_date": "2022-11-30",
      "has_results": false,
      "last_update_posted_date": "2022-12-05",
      "last_synced_at": "2026-09-26T11:23:27.171Z",
      "location_count": 2,
      "location_summary": "Los Angeles, California • New Orleans, Louisiana",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "New Orleans",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03134833"
    },
    {
      "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": "2026-09-26T11:23:27.171Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02749955"
    },
    {
      "nct_id": "NCT05968755",
      "title": "Leveraging Chatbot to Improve PrEP in the Southern United States",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "HIV Prevention",
        "PrEP Awareness",
        "PrEP Uptake"
      ],
      "interventions": [
        {
          "name": "A chatbot designed to promote PrEP awareness and uptake for Black MSM",
          "type": "DEVICE"
        },
        {
          "name": "General educational messages",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "Yale 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": 145,
      "start_date": "2026-07-13",
      "completion_date": "2027-07-01",
      "has_results": false,
      "last_update_posted_date": "2026-09-23",
      "last_synced_at": "2026-09-26T11:23:27.171Z",
      "location_count": 4,
      "location_summary": "Miami, Florida • Pembroke Pines, Florida • Atlanta, Georgia + 1 more",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Pembroke Pines",
          "state": "Florida"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Charlotte",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05968755"
    },
    {
      "nct_id": "NCT03541642",
      "title": "PrEP Communication Intervention for Female Clients of a Needle Exchange",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "HIV/AIDS"
      ],
      "interventions": [
        {
          "name": "Enhanced Intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Basic Intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Temple 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": 35,
      "start_date": "2018-06-01",
      "completion_date": "2021-12-17",
      "has_results": true,
      "last_update_posted_date": "2024-02-05",
      "last_synced_at": "2026-09-26T11:23:27.171Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03541642"
    },
    {
      "nct_id": "NCT04417946",
      "title": "Peer-led Social Media Intervention to Prevent HIV Among Young Men Who Have Sex With Men (YMSM)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pre-Exposure Prophylaxis",
        "Hiv",
        "Men"
      ],
      "interventions": [
        {
          "name": "PrEP messages",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Heath messages",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Yale University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "29 Years",
        "sex": "MALE",
        "summary": "18 Years to 29 Years · Male only"
      },
      "enrollment_count": 227,
      "start_date": "2018-06-05",
      "completion_date": "2023-04-01",
      "has_results": false,
      "last_update_posted_date": "2023-10-23",
      "last_synced_at": "2026-09-26T11:23:27.171Z",
      "location_count": 2,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        },
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04417946"
    },
    {
      "nct_id": "NCT04771312",
      "title": "Online Network Intervention to Increase HIV Pre-exposure Prophylaxis Intention",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Behavior, Health"
      ],
      "interventions": [
        {
          "name": "Mobile app information-only intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Mobile app social support network intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, Davis",
      "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": 50,
      "start_date": "2021-07-19",
      "completion_date": "2021-09-15",
      "has_results": false,
      "last_update_posted_date": "2021-10-01",
      "last_synced_at": "2026-09-26T11:23:27.171Z",
      "location_count": 1,
      "location_summary": "Davis, California",
      "locations": [
        {
          "city": "Davis",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04771312"
    },
    {
      "nct_id": "NCT07713836",
      "title": "Nutrition Intervention Optimization to Better Utilize Resources and Support Health",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Diabete Type 2",
        "Obesity & Overweight",
        "Nutritional Intervention",
        "Food Insecurity"
      ],
      "interventions": [
        {
          "name": "Meal kits",
          "type": "BEHAVIORAL"
        },
        {
          "name": "No-prep meals",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Culinary nutrition classes",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Text messages",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Tufts University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 400,
      "start_date": "2027-01",
      "completion_date": "2031-02",
      "has_results": false,
      "last_update_posted_date": "2026-07-20",
      "last_synced_at": "2026-09-26T11:23:27.171Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07713836"
    },
    {
      "nct_id": "NCT02994108",
      "title": "txt2protect: Using Text Messaging to Increase HPV Vaccination Among Young Sexual Minority Men",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Human Papillomavirus"
      ],
      "interventions": [
        {
          "name": "txt2protect",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Sexual Health Control",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "25 Years",
        "sex": "MALE",
        "summary": "18 Years to 25 Years · Male only"
      },
      "enrollment_count": 150,
      "start_date": "2018-01-03",
      "completion_date": "2019-06-30",
      "has_results": true,
      "last_update_posted_date": "2020-07-20",
      "last_synced_at": "2026-09-26T11:23:27.171Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02994108"
    },
    {
      "nct_id": "NCT04607291",
      "title": "Health Service Intervention for the Improvement of Access and Adherence to Colorectal Cancer Screening",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Colorectal Carcinoma"
      ],
      "interventions": [
        {
          "name": "Community Health Service",
          "type": "OTHER"
        },
        {
          "name": "Survey Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Roswell Park Cancer Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "50 Years to 75 Years"
      },
      "enrollment_count": 183,
      "start_date": "2019-09-01",
      "completion_date": "2021-05-14",
      "has_results": true,
      "last_update_posted_date": "2021-08-12",
      "last_synced_at": "2026-09-26T11:23:27.171Z",
      "location_count": 1,
      "location_summary": "Buffalo, New York",
      "locations": [
        {
          "city": "Buffalo",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04607291"
    },
    {
      "nct_id": "NCT02584140",
      "title": "Pre-exposure Prophylaxis (PrEP) Adherence Enhancement Guided by iTAB and Drug Levels for Women",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "HIV Prevention"
      ],
      "interventions": [
        {
          "name": "Text Messaging",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Adherence Counseling",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Daily Oral PrEP",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DRUG"
      ],
      "sponsor": "University of California, Los Angeles",
      "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": 136,
      "start_date": "2016-05",
      "completion_date": "2019-06-14",
      "has_results": true,
      "last_update_posted_date": "2021-07-08",
      "last_synced_at": "2026-09-26T11:23:27.171Z",
      "location_count": 5,
      "location_summary": "Los Angeles, California • San Diego, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02584140"
    }
  ]
}