{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Substance+use+prevention+only",
    "query": {
      "intervention": "Substance use prevention only"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 55,
    "total_pages": 6,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Substance+use+prevention+only&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-11T04:13:03.300Z",
  "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": "NCT04075526",
      "title": "Vancomycin Powder and Dilute Povidone Iodine Lavage for Infection Prophylaxis in High Risk Total Joint Arthroplasty",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Osteoarthritis"
      ],
      "interventions": [
        {
          "name": "Povidone iodine",
          "type": "DRUG"
        },
        {
          "name": "Vancomycin powder",
          "type": "DRUG"
        },
        {
          "name": "Conventional",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "NYU Langone Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 2129,
      "start_date": "2019-10-01",
      "completion_date": "2025-12-13",
      "has_results": true,
      "last_update_posted_date": "2026-02-17",
      "last_synced_at": "2026-09-11T04:13:03.300Z",
      "location_count": 14,
      "location_summary": "Rancho Mirage, California • Denver, Colorado • Weston, Florida + 6 more",
      "locations": [
        {
          "city": "Rancho Mirage",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Weston",
          "state": "Florida"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04075526"
    },
    {
      "nct_id": "NCT03512418",
      "title": "Development of Ingestible Biosensors to Enhance PrEP Adherence in Substance Users (PrEPSteps)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "HIV Infections",
        "Substance Use Disorders"
      ],
      "interventions": [
        {
          "name": "PrEPsteps",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Digital pill",
          "type": "DEVICE"
        },
        {
          "name": "Truvada",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DEVICE",
        "DRUG"
      ],
      "sponsor": "Brigham and Women's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 30,
      "start_date": "2019-06-20",
      "completion_date": "2024-04-10",
      "has_results": true,
      "last_update_posted_date": "2025-09-17",
      "last_synced_at": "2026-09-11T04:13:03.300Z",
      "location_count": 1,
      "location_summary": "Boylston, Massachusetts",
      "locations": [
        {
          "city": "Boylston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03512418"
    },
    {
      "nct_id": "NCT07070414",
      "title": "Substance Use in Assault-Injured Young Adults",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Alcohol Misuse",
        "Cannabis Misuse"
      ],
      "interventions": [
        {
          "name": "Brief Negotiation Interview intervention (BNI) (adapted)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Yale University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "25 Years",
        "sex": "ALL",
        "summary": "18 Years to 25 Years"
      },
      "enrollment_count": 50,
      "start_date": "2027-03",
      "completion_date": "2028-02",
      "has_results": false,
      "last_update_posted_date": "2026-06-04",
      "last_synced_at": "2026-09-11T04:13:03.300Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07070414"
    },
    {
      "nct_id": "NCT00230100",
      "title": "The Women's Recovery Group Study: Stage I Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Alcohol-Related Disorders",
        "Substance-Related Disorders"
      ],
      "interventions": [
        {
          "name": "The Women's Recovery Group",
          "type": "BEHAVIORAL"
        },
        {
          "name": "mixed-gender Group Drug Counseling",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Mclean Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 46,
      "start_date": "2003-03",
      "completion_date": "2005-10",
      "has_results": true,
      "last_update_posted_date": "2023-11-01",
      "last_synced_at": "2026-09-11T04:13:03.300Z",
      "location_count": 1,
      "location_summary": "Belmont, Massachusetts",
      "locations": [
        {
          "city": "Belmont",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00230100"
    },
    {
      "nct_id": "NCT03526380",
      "title": "The OPT-IN Project",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Opioid-Related Disorders"
      ],
      "interventions": [
        {
          "name": "Behavioral: the OPT-IN Intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Michigan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 92,
      "start_date": "2018-10-11",
      "completion_date": "2020-06-30",
      "has_results": false,
      "last_update_posted_date": "2020-08-13",
      "last_synced_at": "2026-09-11T04:13:03.300Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03526380"
    },
    {
      "nct_id": "NCT01056484",
      "title": "Mindfulness Meditation for Health",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Alcohol Dependence"
      ],
      "interventions": [
        {
          "name": "Mindfulness Based Relapse Prevention for Alcohol Dependence",
          "type": "BEHAVIORAL"
        },
        {
          "name": "\"Wait-list\" control",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 123,
      "start_date": "2009-09",
      "completion_date": "2013-05",
      "has_results": true,
      "last_update_posted_date": "2014-11-06",
      "last_synced_at": "2026-09-11T04:13:03.300Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01056484"
    },
    {
      "nct_id": "NCT02977286",
      "title": "Naloxegol to Prevent Lower Gastrointestinal Paralysis in Critically Ill Adults Administered Opioids",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Constipation"
      ],
      "interventions": [
        {
          "name": "Naloxegol Oral Tablet",
          "type": "DRUG"
        },
        {
          "name": "Placebo Oral Tablet",
          "type": "DRUG"
        },
        {
          "name": "Docusate Sodium 100 Mg oral capsule [Colace]",
          "type": "DRUG"
        },
        {
          "name": "Senna 217 Mg Oral Tablet",
          "type": "DRUG"
        },
        {
          "name": "Polyethylene Glycols",
          "type": "DRUG"
        },
        {
          "name": "Bisacodyl 10 mg Suppository",
          "type": "DRUG"
        },
        {
          "name": "Magnesium Citrate Oral Liquid Product",
          "type": "DRUG"
        },
        {
          "name": "Methylnaltrexone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Tufts 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": 12,
      "start_date": "2017-01-01",
      "completion_date": "2019-10-09",
      "has_results": true,
      "last_update_posted_date": "2023-02-16",
      "last_synced_at": "2026-09-11T04:13:03.300Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02977286"
    },
    {
      "nct_id": "NCT02132481",
      "title": "Using Smartphones to Provide Recovery Support Services",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Substance Use Disorder (SUD)",
        "Recovery"
      ],
      "interventions": [
        {
          "name": "EMA Only",
          "type": "OTHER"
        },
        {
          "name": "EMI Only",
          "type": "OTHER"
        },
        {
          "name": "EMA+EMI",
          "type": "OTHER"
        },
        {
          "name": "Neither - RSAU",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Chestnut Health Systems",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 401,
      "start_date": "2015-06",
      "completion_date": "2021-02-28",
      "has_results": false,
      "last_update_posted_date": "2021-07-28",
      "last_synced_at": "2026-09-11T04:13:03.300Z",
      "location_count": 3,
      "location_summary": "Chicago, Illinois • Normal, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Normal",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02132481"
    },
    {
      "nct_id": "NCT07460622",
      "title": "A Virtual Reality E-cigarette Prevention and Emotion Regulation Intervention for Adolescents",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "E-cigarette Use/Vaping Prevention",
        "Nicotine Dependence Prevention",
        "Adolescent Mental Health"
      ],
      "interventions": [
        {
          "name": "Virtual Reality E-Cigarette Prevention Program",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Yale University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "11 Years",
        "maximum_age": "15 Years",
        "sex": "ALL",
        "summary": "11 Years to 15 Years"
      },
      "enrollment_count": 1251,
      "start_date": "2026-10-01",
      "completion_date": "2028-06",
      "has_results": false,
      "last_update_posted_date": "2026-03-10",
      "last_synced_at": "2026-09-11T04:13:03.300Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07460622"
    },
    {
      "nct_id": "NCT04247191",
      "title": "Parent Intervention to Reduce College Student Drinking and Consequences",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Underage Drinking",
        "Driving Under the Influence",
        "Drinking, Teen",
        "Drinking, College"
      ],
      "interventions": [
        {
          "name": "P-Chat+",
          "type": "BEHAVIORAL"
        },
        {
          "name": "PBI",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Penn State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "19 Years",
        "sex": "ALL",
        "summary": "18 Years to 19 Years"
      },
      "enrollment_count": 2061,
      "start_date": "2021-06-14",
      "completion_date": "2025-04-16",
      "has_results": false,
      "last_update_posted_date": "2026-05-28",
      "last_synced_at": "2026-09-11T04:13:03.300Z",
      "location_count": 1,
      "location_summary": "University Park, Pennsylvania",
      "locations": [
        {
          "city": "University Park",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04247191"
    }
  ]
}