{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Substance+Use+History",
    "query": {
      "condition": "Substance Use History"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 31,
    "total_pages": 4,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Substance+Use+History&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-07T12:07:25.068Z",
  "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": "NCT01148381",
      "title": "Characterization of Phenotypic and Genotypic Regressors for Imaging",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Healthy Volunteers",
        "Substance Use Disorders"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Institute on Drug Abuse (NIDA)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 847,
      "start_date": "2010-11-18",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2026-07-16",
      "last_synced_at": "2026-09-07T12:07:25.068Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01148381"
    },
    {
      "nct_id": "NCT03331354",
      "title": "Assessing the Effect of Distance Learning Vocational Rehabilitation on Employment Outcomes of Veterans With Psychiatric Illness and Histories of Legal Convictions",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Unemployment",
        "Mental Illness",
        "Substance Use Disorder",
        "Legal History"
      ],
      "interventions": [
        {
          "name": "Distant vocational learning",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Basic vocational services",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 136,
      "start_date": "2019-05-01",
      "completion_date": "2023-05-30",
      "has_results": true,
      "last_update_posted_date": "2024-06-28",
      "last_synced_at": "2026-09-07T12:07:25.068Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03331354"
    },
    {
      "nct_id": "NCT01730781",
      "title": "Imaging Cannabinoid Receptors Using Positron Emission Tomography (PET) Scanning",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Schizophrenia",
        "Cannabis Dependence",
        "Prodromal for Psychotic Illness",
        "Family History of Alcoholism",
        "Healthy Control",
        "Opioid-use Disorder",
        "Post Traumatic Stress Disorder"
      ],
      "interventions": [
        {
          "name": "[11-C]OMAR",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION"
      ],
      "sponsor": "Yale University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "MALE",
        "summary": "18 Years to 55 Years · Male only"
      },
      "enrollment_count": 100,
      "start_date": "2010-07",
      "completion_date": "2026-12",
      "has_results": false,
      "last_update_posted_date": "2026-04-27",
      "last_synced_at": "2026-09-07T12:07:25.068Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01730781"
    },
    {
      "nct_id": "NCT04946851",
      "title": "Addictions Neuroclinical Assessment (ANA)",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Normal Physiology",
        "Alcohol Use Disorder"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Institute on Alcohol Abuse and Alcoholism (NIAAA)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 1400,
      "start_date": "2021-08-12",
      "completion_date": "2031-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-09-01",
      "last_synced_at": "2026-09-07T12:07:25.068Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04946851"
    },
    {
      "nct_id": "NCT00787423",
      "title": "Developing Field Tools for Real-Time Assessment of Exposure to Psychosocial Stress and Drug Use in an Outpatient Treatment Population",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Stress",
        "Drug Abuse"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Institute on Drug Abuse (NIDA)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 373,
      "start_date": "2009-07-14",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2026-09-01",
      "last_synced_at": "2026-09-07T12:07:25.068Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00787423"
    },
    {
      "nct_id": "NCT02102113",
      "title": "Probing the Cannabinoid System in Individuals With a Family History of Psychosis",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Psychosis",
        "Cannabis Use",
        "THC",
        "Marijuana",
        "Schizophrenia"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Very Low Dose THC",
          "type": "DRUG"
        },
        {
          "name": "Low Dose THC",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Yale University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 21,
      "start_date": "2014-01",
      "completion_date": "2026-12",
      "has_results": false,
      "last_update_posted_date": "2025-06-10",
      "last_synced_at": "2026-09-07T12:07:25.068Z",
      "location_count": 1,
      "location_summary": "West Haven, Connecticut",
      "locations": [
        {
          "city": "West Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02102113"
    },
    {
      "nct_id": "NCT03745339",
      "title": "Outcome Inference in the Sensory Preconditioning Task in Opioid-Use Disorder",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Opioid-Related Disorders",
        "Drug Addiction"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Institute on Drug Abuse (NIDA)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "21 Years to 60 Years"
      },
      "enrollment_count": 150,
      "start_date": "2019-06-07",
      "completion_date": "2026-10-01",
      "has_results": false,
      "last_update_posted_date": "2026-08-31",
      "last_synced_at": "2026-09-07T12:07:25.068Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03745339"
    },
    {
      "nct_id": "NCT04391816",
      "title": "COVID-19 Pandemic Impact on Alcohol (PIA) - A Natural History Study",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Alcohol Drinking",
        "Alcohol-Related Disorders",
        "Pandemic",
        "Psychological Stress"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Institute on Alcohol Abuse and Alcoholism (NIAAA)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 1500,
      "start_date": "2020-06-03",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-06-24",
      "last_synced_at": "2026-09-07T12:07:25.068Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04391816"
    },
    {
      "nct_id": "NCT01036685",
      "title": "Cognitive Task Development and Implementation for Functional MRI Studies",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Drug Abuse",
        "Nicotine Dependence"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Institute on Drug Abuse (NIDA)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 525,
      "start_date": "2005-05-22",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2026-07-17",
      "last_synced_at": "2026-09-07T12:07:25.068Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01036685"
    },
    {
      "nct_id": "NCT06794983",
      "title": "Calls and Coordination for Transitions of Care at Re-entry",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Prisoners",
        "Substance Use History",
        "Chronic Medical Conditions",
        "Psychiatric Condition",
        "Substance Use Disorder (SUD)"
      ],
      "interventions": [
        {
          "name": "In-person visit with study team member",
          "type": "OTHER"
        },
        {
          "name": "In-person visit with NCM",
          "type": "OTHER"
        },
        {
          "name": "Phone calls and texts",
          "type": "OTHER"
        },
        {
          "name": "Phone calls and texts - NCM",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "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": 488,
      "start_date": "2025-09-19",
      "completion_date": "2029-04-30",
      "has_results": false,
      "last_update_posted_date": "2026-03-13",
      "last_synced_at": "2026-09-07T12:07:25.068Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06794983"
    }
  ]
}