{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Harm-Reduction+Counseling",
    "query": {
      "intervention": "Harm-Reduction Counseling"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 42,
    "total_pages": 5,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Harm-Reduction+Counseling&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-07T01:15:47.747Z",
  "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": "NCT01459458",
      "title": "Family Planning-based Partner Abuse Intervention to Reduce Unintended Pregnancy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Violence",
        "Pregnancy"
      ],
      "interventions": [
        {
          "name": "Family Planning-based Partner Violence Intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Pittsburgh",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "16 Years",
        "maximum_age": "29 Years",
        "sex": "FEMALE",
        "summary": "16 Years to 29 Years · Female only"
      },
      "enrollment_count": 3687,
      "start_date": "2011-10",
      "completion_date": "2015-09",
      "has_results": false,
      "last_update_posted_date": "2015-12-02",
      "last_synced_at": "2026-09-07T01:15:47.747Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01459458"
    },
    {
      "nct_id": "NCT02837315",
      "title": "Improving Brief Marijuana Interventions With a Behavioral Economic Supplement",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Marijuana Use"
      ],
      "interventions": [
        {
          "name": "Brief Motivational Intervention (BMI)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Substance-Free Activity Session (SFAS)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Relaxation Session",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Memphis",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 133,
      "start_date": "2014-10-23",
      "completion_date": "2016-11-30",
      "has_results": false,
      "last_update_posted_date": "2017-05-02",
      "last_synced_at": "2026-09-07T01:15:47.747Z",
      "location_count": 1,
      "location_summary": "Memphis, Tennessee",
      "locations": [
        {
          "city": "Memphis",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02837315"
    },
    {
      "nct_id": "NCT05815199",
      "title": "E-cigarettes for Harm Reduction Among Smokers With Serious Mental Illness",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cigarette Smoking"
      ],
      "interventions": [
        {
          "name": "E-cigarette (EC)",
          "type": "OTHER"
        },
        {
          "name": "Nicotine Replacement Therapy (NRT)",
          "type": "OTHER"
        },
        {
          "name": "Harm-Reduction Counseling",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Ecological Momentary Intervention (EMI) Text Messaging",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "OTHER",
        "BEHAVIORAL"
      ],
      "sponsor": "NYU Langone Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 60,
      "start_date": "2023-11-13",
      "completion_date": "2026-03",
      "has_results": false,
      "last_update_posted_date": "2025-10-10",
      "last_synced_at": "2026-09-07T01:15:47.747Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05815199"
    },
    {
      "nct_id": "NCT06318975",
      "title": "Text-Based Messaging Strategies for Preventing Subsequent Problematic Alcohol Use",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Alcohol Drinking",
        "Binge Drinking",
        "Text Messaging"
      ],
      "interventions": [
        {
          "name": "Brief Alcohol Intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Automated and Targeted Text Messages",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Virginia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 7000,
      "start_date": "2023-12-01",
      "completion_date": "2028-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-06-15",
      "last_synced_at": "2026-09-07T01:15:47.747Z",
      "location_count": 1,
      "location_summary": "San Antonio, Texas",
      "locations": [
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06318975"
    },
    {
      "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": "2026-09-07T01:15:47.747Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01231711"
    },
    {
      "nct_id": "NCT03502200",
      "title": "Switching to a Vaping Device: Evaluating Risk Reduction Among Quitline Treatment Failures",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking, Cigarette"
      ],
      "interventions": [
        {
          "name": "JUUL",
          "type": "DEVICE"
        },
        {
          "name": "Treatment As Usual",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "Ohio State University Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "21 Years to 99 Years"
      },
      "enrollment_count": 350,
      "start_date": "2020-10-15",
      "completion_date": "2023-01-31",
      "has_results": true,
      "last_update_posted_date": "2023-07-21",
      "last_synced_at": "2026-09-07T01:15:47.747Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03502200"
    },
    {
      "nct_id": "NCT02712034",
      "title": "Impact on Opioid Use of Bundling Medication-assisted Treatment With mHealth",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Opioid Use Disorder"
      ],
      "interventions": [
        {
          "name": "MAT + A-CHESS",
          "type": "BEHAVIORAL"
        },
        {
          "name": "MAT",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 417,
      "start_date": "2016-04-21",
      "completion_date": "2020-04-08",
      "has_results": false,
      "last_update_posted_date": "2020-04-14",
      "last_synced_at": "2026-09-07T01:15:47.747Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02712034"
    },
    {
      "nct_id": "NCT05733442",
      "title": "Counseling for Harm Reduction and Retention in Medication-assisted Treatment - Cherokee Nation",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Opioid Use Disorder"
      ],
      "interventions": [
        {
          "name": "Treatment as usual (TAU)",
          "type": "OTHER"
        },
        {
          "name": "CHaRRM-CN",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Washington 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": 136,
      "start_date": "2023-01-17",
      "completion_date": "2026-07-31",
      "has_results": false,
      "last_update_posted_date": "2026-05-05",
      "last_synced_at": "2026-09-07T01:15:47.747Z",
      "location_count": 2,
      "location_summary": "Tahlequah, Oklahoma • Seattle, Washington",
      "locations": [
        {
          "city": "Tahlequah",
          "state": "Oklahoma"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05733442"
    },
    {
      "nct_id": "NCT03049904",
      "title": "American Indian and Alaska Native Men Who Have Sex With Men HIV & Substance Abuse Research",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "HIV",
        "Substance Use"
      ],
      "interventions": [
        {
          "name": "Vr2L 2Spirit",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Washington",
      "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": 79,
      "start_date": "2017-02-19",
      "completion_date": "2018-03-30",
      "has_results": false,
      "last_update_posted_date": "2018-04-30",
      "last_synced_at": "2026-09-07T01:15:47.747Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03049904"
    },
    {
      "nct_id": "NCT07202039",
      "title": "Electronic Cigarettes as a Harm Reduction Strategy Among People With Opioid Use Disorder on Buprenorphine",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tobacco-flavored EC",
        "Sweet-Cooling EC",
        "Sweet Non-cooling EC"
      ],
      "interventions": [
        {
          "name": "Brief individual counseling sessions",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Prisma Health-Upstate",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 90,
      "start_date": "2026-04-29",
      "completion_date": "2029-06-29",
      "has_results": false,
      "last_update_posted_date": "2026-05-12",
      "last_synced_at": "2026-09-07T01:15:47.747Z",
      "location_count": 1,
      "location_summary": "Greenville, South Carolina",
      "locations": [
        {
          "city": "Greenville",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07202039"
    }
  ]
}