{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Marijuana+Impairment",
    "query": {
      "condition": "Marijuana Impairment"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 26,
    "total_pages": 3,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Marijuana+Impairment&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-05-22T07:02:42.381Z",
  "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": "NCT04931095",
      "title": "The Impact of Oral Cannabis Administration and Co-Administration of Alcohol on Impairment",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Cannabis Intoxication",
        "Alcohol Intoxication"
      ],
      "interventions": [
        {
          "name": "Cannabis",
          "type": "DRUG"
        },
        {
          "name": "Alcohol",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "21 Years to 55 Years"
      },
      "enrollment_count": 60,
      "start_date": "2022-02-17",
      "completion_date": "2025-08-15",
      "has_results": false,
      "last_update_posted_date": "2025-10-03",
      "last_synced_at": "2026-05-22T07:02:42.381Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04931095"
    },
    {
      "nct_id": "NCT05999344",
      "title": "Alcohol and Cannabis Concentrates Co-Administration",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Alcohol Use Disorder",
        "Cannabis Use"
      ],
      "interventions": [
        {
          "name": "commercially available cannabis administered prior to commercially available alcohol",
          "type": "OTHER"
        },
        {
          "name": "commercially available alcohol administered prior to commercially available cannabis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "21 Years to 65 Years"
      },
      "enrollment_count": 146,
      "start_date": "2021-12-16",
      "completion_date": "2024-08-01",
      "has_results": false,
      "last_update_posted_date": "2025-11-18",
      "last_synced_at": "2026-05-22T07:02:42.381Z",
      "location_count": 1,
      "location_summary": "Fort Collins, Colorado",
      "locations": [
        {
          "city": "Fort Collins",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05999344"
    },
    {
      "nct_id": "NCT04856566",
      "title": "Examine the Feasibility of a Standardized Field Test for Marijuana and Alcohol Impairment: Laboratory Evaluations",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Marijuana Impairment",
        "Alcohol Impairment"
      ],
      "interventions": [
        {
          "name": "Low Marijuana, Hash, THC, or Grass",
          "type": "DRUG"
        },
        {
          "name": "High Marijuana, Hash, THC, or Grass",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "0.05 BAC Alcohol",
          "type": "DRUG"
        },
        {
          "name": "0.08 BAC Alcohol",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Yale University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "21 Years to 40 Years"
      },
      "enrollment_count": 41,
      "start_date": "2021-07-28",
      "completion_date": "2023-08-23",
      "has_results": false,
      "last_update_posted_date": "2025-07-01",
      "last_synced_at": "2026-05-22T07:02:42.381Z",
      "location_count": 1,
      "location_summary": "Hartford, Connecticut",
      "locations": [
        {
          "city": "Hartford",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04856566"
    },
    {
      "nct_id": "NCT03191084",
      "title": "Examine the Feasibility of a Standardized Field Test for Marijuana Impairment: Laboratory Evaluations",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Marijuana Impairment"
      ],
      "interventions": [
        {
          "name": "Low Dose THC Marijuana",
          "type": "DRUG"
        },
        {
          "name": "High Dose THC Marijuana",
          "type": "DRUG"
        },
        {
          "name": "Placebo Marijuana",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Yale University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "20 Years to 40 Years"
      },
      "enrollment_count": 26,
      "start_date": "2017-12-01",
      "completion_date": "2020-03-30",
      "has_results": false,
      "last_update_posted_date": "2024-07-23",
      "last_synced_at": "2026-05-22T07:02:42.381Z",
      "location_count": 1,
      "location_summary": "Hartford, Connecticut",
      "locations": [
        {
          "city": "Hartford",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03191084"
    },
    {
      "nct_id": "NCT04970342",
      "title": "Validation of the Drug Impaired Driving Scenario (DIDS) on the CRCDS-miniSim",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Driving Behavior",
        "Driving Under the Influence"
      ],
      "interventions": [
        {
          "name": "Placebo (Lactose) Capsule",
          "type": "DRUG"
        },
        {
          "name": "0.75 mg Alprazolam Capsule",
          "type": "DRUG"
        },
        {
          "name": "Cannabis (6.18% THC / <0.025% CBD)",
          "type": "DRUG"
        },
        {
          "name": "Cannabis (0%/ THC / 0% CBD)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Timothy L. Brown",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "19 Years to 45 Years"
      },
      "enrollment_count": 13,
      "start_date": "2021-07-16",
      "completion_date": "2021-08-21",
      "has_results": true,
      "last_update_posted_date": "2023-07-25",
      "last_synced_at": "2026-05-22T07:02:42.381Z",
      "location_count": 1,
      "location_summary": "Iowa City, Iowa",
      "locations": [
        {
          "city": "Iowa City",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04970342"
    },
    {
      "nct_id": "NCT04799093",
      "title": "Eye Movement Tracking to Detect Impairment Due to Acute Cannabis Intoxication",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Impairment",
        "Cannabis Intoxication"
      ],
      "interventions": [
        {
          "name": "EyeBOX",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Oculogica, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 225,
      "start_date": "2021-02-01",
      "completion_date": "2021-09-07",
      "has_results": false,
      "last_update_posted_date": "2021-09-13",
      "last_synced_at": "2026-05-22T07:02:42.381Z",
      "location_count": 1,
      "location_summary": "Westport, Connecticut",
      "locations": [
        {
          "city": "Westport",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04799093"
    },
    {
      "nct_id": "NCT05037487",
      "title": "Evaluation of Smoked THC and CBD in Men and Women",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Drug Abuse",
        "Intoxication by Drug",
        "Impairment"
      ],
      "interventions": [
        {
          "name": "Placebo Cannabis",
          "type": "DRUG"
        },
        {
          "name": "20 mg CBD Cannabis",
          "type": "DRUG"
        },
        {
          "name": "20 mg CBD + 20 mg THC Cannabis",
          "type": "DRUG"
        },
        {
          "name": "20 mg THC Cannabis",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of California, Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "21 Years to 55 Years"
      },
      "enrollment_count": 19,
      "start_date": "2022-09-01",
      "completion_date": "2025-06-08",
      "has_results": false,
      "last_update_posted_date": "2026-03-20",
      "last_synced_at": "2026-05-22T07:02:42.381Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05037487"
    },
    {
      "nct_id": "NCT01887301",
      "title": "Assessment of the Single Dose Pharmacokinetics and Tolerability of Sativex in Patients With Impaired Hepatic Function and Healthy Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Hepatic Impairment"
      ],
      "interventions": [
        {
          "name": "Sativex",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Jazz Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 32,
      "start_date": "2013-07",
      "completion_date": "2014-05",
      "has_results": false,
      "last_update_posted_date": "2022-12-20",
      "last_synced_at": "2026-05-22T07:02:42.381Z",
      "location_count": 2,
      "location_summary": "Anaheim, California • Miami, Florida",
      "locations": [
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01887301"
    },
    {
      "nct_id": "NCT05115513",
      "title": "Standardized Field Test for Marijuana Impairment II",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Marijuana Impairment"
      ],
      "interventions": [
        {
          "name": "Medium THC",
          "type": "DRUG"
        },
        {
          "name": "Placebo 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": 41,
      "start_date": "2022-08-25",
      "completion_date": "2023-08-21",
      "has_results": false,
      "last_update_posted_date": "2025-10-09",
      "last_synced_at": "2026-05-22T07:02:42.381Z",
      "location_count": 1,
      "location_summary": "Hartford, Connecticut",
      "locations": [
        {
          "city": "Hartford",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05115513"
    },
    {
      "nct_id": "NCT06059677",
      "title": "Cannabis Consumption and Driving Impairment Assessment on a Closed Course",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Cannabis Smoking",
        "Driving Impaired"
      ],
      "interventions": [
        {
          "name": "Active smoked cannabis",
          "type": "DRUG"
        },
        {
          "name": "Placebo smoked cannabis",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bayliss J. Camp, PhD",
      "sponsor_class": "OTHER_GOV",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "21 Years to 55 Years"
      },
      "enrollment_count": 300,
      "start_date": "2023-10-03",
      "completion_date": "2024-12-31",
      "has_results": false,
      "last_update_posted_date": "2023-09-29",
      "last_synced_at": "2026-05-22T07:02:42.381Z",
      "location_count": 1,
      "location_summary": "Sacramento, California",
      "locations": [
        {
          "city": "Sacramento",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06059677"
    }
  ]
}