{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=High+dose+THC+marijuana",
    "query": {
      "intervention": "High dose THC marijuana"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 27,
    "total_pages": 3,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=High+dose+THC+marijuana&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-08T21:00:51.971Z",
  "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": "NCT00530764",
      "title": "A Study of Sativex® for Pain Relief in Patients With Advanced Malignancy.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Palliative Care",
        "Pain",
        "Cancer"
      ],
      "interventions": [
        {
          "name": "Sativex Low Dose",
          "type": "DRUG"
        },
        {
          "name": "Sativex Medium Dose",
          "type": "DRUG"
        },
        {
          "name": "Sativex High Dose",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "GW Pharmaceuticals Ltd",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 360,
      "start_date": "2007-11",
      "completion_date": "2010-01",
      "has_results": true,
      "last_update_posted_date": "2013-06-20",
      "last_synced_at": "2026-09-08T21:00:51.971Z",
      "location_count": 23,
      "location_summary": "Tuscaloosa, Alabama • Casa Grande, Arizona • Fountain Valley, California + 19 more",
      "locations": [
        {
          "city": "Tuscaloosa",
          "state": "Alabama"
        },
        {
          "city": "Casa Grande",
          "state": "Arizona"
        },
        {
          "city": "Fountain Valley",
          "state": "California"
        },
        {
          "city": "Gilroy",
          "state": "California"
        },
        {
          "city": "La Jolla",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00530764"
    },
    {
      "nct_id": "NCT02961309",
      "title": "A Laboratory Model of Increasing Delta-9-tetrahydrocannabinol (THC) Potency on Cigarette Smoking",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Tobacco Use"
      ],
      "interventions": [
        {
          "name": "THC",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Battelle Memorial Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 9,
      "start_date": "2018-05-07",
      "completion_date": "2019-09-30",
      "has_results": false,
      "last_update_posted_date": "2019-10-02",
      "last_synced_at": "2026-09-08T21:00:51.971Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02961309"
    },
    {
      "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": "2026-09-08T21:00:51.971Z",
      "location_count": 1,
      "location_summary": "Hartford, Connecticut",
      "locations": [
        {
          "city": "Hartford",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03191084"
    },
    {
      "nct_id": "NCT02757313",
      "title": "Neuroscience of Marijuana Impaired Driving",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "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": "18 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "18 Years to 40 Years"
      },
      "enrollment_count": 62,
      "start_date": "2016-10",
      "completion_date": "2021-05",
      "has_results": false,
      "last_update_posted_date": "2024-07-23",
      "last_synced_at": "2026-09-08T21:00:51.971Z",
      "location_count": 1,
      "location_summary": "Hartford, Connecticut",
      "locations": [
        {
          "city": "Hartford",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02757313"
    },
    {
      "nct_id": "NCT06293040",
      "title": "Vaporized Cannabis Administration and Co-Administration of Alcohol on Impairment",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Cannabis Intoxication",
        "Alcohol Intoxication"
      ],
      "interventions": [
        {
          "name": "Cannabis",
          "type": "DRUG"
        },
        {
          "name": "Alcohol",
          "type": "DRUG"
        },
        {
          "name": "Placebo Cannabis",
          "type": "DRUG"
        },
        {
          "name": "Placebo Alcohol",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 90,
      "start_date": "2024-09-26",
      "completion_date": "2027-12",
      "has_results": false,
      "last_update_posted_date": "2026-09-08",
      "last_synced_at": "2026-09-08T21:00:51.971Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06293040"
    },
    {
      "nct_id": "NCT05999383",
      "title": "Understanding the Clinical Pharmacology of Marijuana-Tobacco Co-administration",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "THC",
        "Cannabis",
        "Cannabis Use",
        "Cannabis Smoking",
        "Tobacco Use",
        "Vaping"
      ],
      "interventions": [
        {
          "name": "Cannabis",
          "type": "DRUG"
        },
        {
          "name": "Nicotine",
          "type": "DRUG"
        },
        {
          "name": "Pax Loose Leaf Vaporizer",
          "type": "DEVICE"
        },
        {
          "name": "Placebo Marijuana",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "University of California, San Francisco",
      "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": 48,
      "start_date": "2025-07-01",
      "completion_date": "2028-02-01",
      "has_results": false,
      "last_update_posted_date": "2026-01-07",
      "last_synced_at": "2026-09-08T21:00:51.971Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05999383"
    },
    {
      "nct_id": "NCT06609083",
      "title": "Effect of Cannabis on Cigarette Use Behavior",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Cannabis Use",
        "Tobacco Use",
        "Cigarette Smoking"
      ],
      "interventions": [
        {
          "name": "THC 30mg",
          "type": "DRUG"
        },
        {
          "name": "THC 5mg",
          "type": "DRUG"
        },
        {
          "name": "THC 0mg",
          "type": "DRUG"
        },
        {
          "name": "Cigarette Full Nicotine",
          "type": "DRUG"
        },
        {
          "name": "Cigarette Reduced Nicotine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 100,
      "start_date": "2025-01-22",
      "completion_date": "2029-10-01",
      "has_results": false,
      "last_update_posted_date": "2026-01-16",
      "last_synced_at": "2026-09-08T21:00:51.971Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06609083"
    },
    {
      "nct_id": "NCT00254761",
      "title": "Effects of Smoked Marijuana on Neuropathic Pain",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Neuropathic Pain"
      ],
      "interventions": [
        {
          "name": "Cannabis",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Center for Medicinal Cannabis Research",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 28,
      "start_date": "2003-11",
      "completion_date": "2006-02",
      "has_results": false,
      "last_update_posted_date": "2008-02-28",
      "last_synced_at": "2026-09-08T21:00:51.971Z",
      "location_count": 1,
      "location_summary": "Sacramento, California",
      "locations": [
        {
          "city": "Sacramento",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00254761"
    },
    {
      "nct_id": "NCT03518567",
      "title": "Behavioral Economic Analysis of Demand for Marijuana",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Marijuana Smoking"
      ],
      "interventions": [
        {
          "name": "Smoked marijuana cigarettes: High THC dose (6% THC)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Brown University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 133,
      "start_date": "2018-10-15",
      "completion_date": "2021-05-24",
      "has_results": true,
      "last_update_posted_date": "2024-02-12",
      "last_synced_at": "2026-09-08T21:00:51.971Z",
      "location_count": 1,
      "location_summary": "Providence, Rhode Island",
      "locations": [
        {
          "city": "Providence",
          "state": "Rhode Island"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03518567"
    },
    {
      "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": "2026-09-08T21:00:51.971Z",
      "location_count": 1,
      "location_summary": "Hartford, Connecticut",
      "locations": [
        {
          "city": "Hartford",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04856566"
    }
  ]
}