{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Efficacy+Message&page=2",
    "query": {
      "intervention": "Efficacy Message",
      "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=Efficacy+Message&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-15T15:31:25.814Z",
  "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": "NCT02384265",
      "title": "Financial Incentives and Text Messaging to Improve African American Womens' Glycemic Control",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Diabetes Mellitus"
      ],
      "interventions": [
        {
          "name": "IM/SMS + Incentive Condition",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": "65 Years",
        "sex": "FEMALE",
        "summary": "25 Years to 65 Years · Female only"
      },
      "enrollment_count": 41,
      "start_date": "2012-06-21",
      "completion_date": "2021-12-31",
      "has_results": false,
      "last_update_posted_date": "2022-04-18",
      "last_synced_at": "2026-09-15T15:31:25.814Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02384265"
    },
    {
      "nct_id": "NCT05621265",
      "title": "Efficacy of Automated Text Messaging Services",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sleep",
        "Physical Therapy"
      ],
      "interventions": [
        {
          "name": "Automated Text messaging",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Black Hills State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "2021-10-01",
      "completion_date": "2022-05-01",
      "has_results": false,
      "last_update_posted_date": "2022-11-21",
      "last_synced_at": "2026-09-15T15:31:25.814Z",
      "location_count": 1,
      "location_summary": "Spearfish, South Dakota",
      "locations": [
        {
          "city": "Spearfish",
          "state": "South Dakota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05621265"
    },
    {
      "nct_id": "NCT01231711",
      "title": "Improving Quality-of-life and Depressive Symptoms of Combat Veterans Via Internet-based Intervention",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Depression",
        "Post-Traumatic Stress Disorder",
        "Functional Status"
      ],
      "interventions": [
        {
          "name": "Vets Prevail",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Prevail Health Solutions, LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 50,
      "start_date": "2009-09",
      "completion_date": "2010-06",
      "has_results": false,
      "last_update_posted_date": "2010-11-01",
      "last_synced_at": "2026-09-15T15:31:25.814Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01231711"
    },
    {
      "nct_id": "NCT04251273",
      "title": "Text Message Quit Vaping Intervention for Young Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tobacco Cessation"
      ],
      "interventions": [
        {
          "name": "This is Quitting",
          "type": "OTHER"
        },
        {
          "name": "Assessment only Control",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Truth Initiative",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "24 Years",
        "sex": "ALL",
        "summary": "18 Years to 24 Years"
      },
      "enrollment_count": 2588,
      "start_date": "2019-12-19",
      "completion_date": "2020-11-12",
      "has_results": true,
      "last_update_posted_date": "2024-07-10",
      "last_synced_at": "2026-09-15T15:31:25.814Z",
      "location_count": 1,
      "location_summary": "Washington D.C., District of Columbia",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04251273"
    },
    {
      "nct_id": "NCT01783327",
      "title": "Teens-Connect: Preventive Psycho-education for Transitioning Teens With Diabetes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Diabetes Mellitus, Type 1"
      ],
      "interventions": [
        {
          "name": "Teens-Connect",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Planet D",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Yale University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "11 Years",
        "maximum_age": "14 Years",
        "sex": "ALL",
        "summary": "11 Years to 14 Years"
      },
      "enrollment_count": 124,
      "start_date": "2012-07",
      "completion_date": "2015-08",
      "has_results": false,
      "last_update_posted_date": "2016-01-08",
      "last_synced_at": "2026-09-15T15:31:25.814Z",
      "location_count": 2,
      "location_summary": "New Haven, Connecticut • Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01783327"
    },
    {
      "nct_id": "NCT02903186",
      "title": "Multi-site Trial Using SMS to Improve Infant Weight",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "SMS",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Puerto Rico",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "2 Months",
        "sex": "ALL",
        "summary": "Up to 2 Months"
      },
      "enrollment_count": 202,
      "start_date": "2016-01",
      "completion_date": "2016-08-31",
      "has_results": false,
      "last_update_posted_date": "2018-05-29",
      "last_synced_at": "2026-09-15T15:31:25.814Z",
      "location_count": 1,
      "location_summary": "Honolulu, Hawaii",
      "locations": [
        {
          "city": "Honolulu",
          "state": "Hawaii"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02903186"
    },
    {
      "nct_id": "NCT03854734",
      "title": "Healthy, Immunized Communities Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Vaccine Hesitancy",
        "Communicable Diseases in Children"
      ],
      "interventions": [
        {
          "name": "Community Event",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Educational Material",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Milton S. Hershey Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 148,
      "start_date": "2019-02-14",
      "completion_date": "2023-02-09",
      "has_results": true,
      "last_update_posted_date": "2024-07-12",
      "last_synced_at": "2026-09-15T15:31:25.814Z",
      "location_count": 1,
      "location_summary": "Hershey, Pennsylvania",
      "locations": [
        {
          "city": "Hershey",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03854734"
    },
    {
      "nct_id": "NCT06631365",
      "title": "PrEPsmart 2-1-1 Pilot",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "HIV-1-infection"
      ],
      "interventions": [
        {
          "name": "PrEPsmart mobile app",
          "type": "DEVICE"
        },
        {
          "name": "Truvada",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "DRUG"
      ],
      "sponsor": "Public Health Foundation Enterprises, Inc.",
      "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": 60,
      "start_date": "2023-10-02",
      "completion_date": "2025-04-01",
      "has_results": false,
      "last_update_posted_date": "2024-10-08",
      "last_synced_at": "2026-09-15T15:31:25.814Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06631365"
    },
    {
      "nct_id": "NCT05489172",
      "title": "Mobile Health App to Reduce Diabetes in Latina Women With Prior Gestational Diabetes II",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Gestational Diabetes Mellitus"
      ],
      "interventions": [
        {
          "name": "Hola Bebe",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Environment and Health Group, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 45 Years · Female only"
      },
      "enrollment_count": 77,
      "start_date": "2020-02-01",
      "completion_date": "2023-07-31",
      "has_results": false,
      "last_update_posted_date": "2023-11-22",
      "last_synced_at": "2026-09-15T15:31:25.814Z",
      "location_count": 3,
      "location_summary": "Cambridge, Massachusetts • Jamaica Plain, Massachusetts • Lynn, Massachusetts",
      "locations": [
        {
          "city": "Cambridge",
          "state": "Massachusetts"
        },
        {
          "city": "Jamaica Plain",
          "state": "Massachusetts"
        },
        {
          "city": "Lynn",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05489172"
    },
    {
      "nct_id": "NCT07524244",
      "title": "Ketogenic and Carnivore (Lion) Diets for Inflammatory Bowel Disease and Rheumatoid Arthritis",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Rheumatoid Arthritis (RA)",
        "Crohn's Disease (CD)",
        "Ulcerative Colitis (UC)"
      ],
      "interventions": [
        {
          "name": "Ketogenic diet",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Carnivore (Lion) Diet",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Fuller Research Foundation",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "18 Years to 64 Years"
      },
      "enrollment_count": 160,
      "start_date": "2026-02-17",
      "completion_date": "2027-09",
      "has_results": false,
      "last_update_posted_date": "2026-04-16",
      "last_synced_at": "2026-09-15T15:31:25.814Z",
      "location_count": 1,
      "location_summary": "Charlottesville, Virginia",
      "locations": [
        {
          "city": "Charlottesville",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07524244"
    }
  ]
}