{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo+marijuana",
    "query": {
      "intervention": "Placebo marijuana"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 229,
    "total_pages": 23,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo+marijuana&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-09T12:29:56.525Z",
  "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": "NCT02460692",
      "title": "Trial of Dronabinol and Vaporized Cannabis in Chronic Low Back Pain",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Cannabis",
        "Low Back Pain",
        "Neuropathic Pain"
      ],
      "interventions": [
        {
          "name": "Placebos",
          "type": "DRUG"
        },
        {
          "name": "dronabinol",
          "type": "DRUG"
        },
        {
          "name": "Vaporized Cannabis 3.7% THC/5.6% CBD",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of California, San Diego",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "19 Years to 70 Years"
      },
      "enrollment_count": 131,
      "start_date": "2016-12",
      "completion_date": "2020-03-25",
      "has_results": true,
      "last_update_posted_date": "2023-09-28",
      "last_synced_at": "2026-09-09T12:29:56.525Z",
      "location_count": 1,
      "location_summary": "San Diego, California",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02460692"
    },
    {
      "nct_id": "NCT03676166",
      "title": "Pharmacokinetic and Pharmacodynamic Effects of Smoked and Vaporized Cannabis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Cannabis"
      ],
      "interventions": [
        {
          "name": "Cannabis",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "18 Years to 45 Years"
      },
      "enrollment_count": 18,
      "start_date": "2016-06-16",
      "completion_date": "2017-01-17",
      "has_results": false,
      "last_update_posted_date": "2019-09-13",
      "last_synced_at": "2026-09-09T12:29:56.525Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03676166"
    },
    {
      "nct_id": "NCT04800159",
      "title": "Cannabis Effects on Antiretroviral Therapy Pharmacokinetics and Neurotoxicity",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "HIV",
        "Cannabis Use"
      ],
      "interventions": [
        {
          "name": "THC Cannabis",
          "type": "DRUG"
        },
        {
          "name": "CBD Cannabis",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of California, San Diego",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 40,
      "start_date": "2021-02-19",
      "completion_date": "2026-04-30",
      "has_results": false,
      "last_update_posted_date": "2025-10-15",
      "last_synced_at": "2026-09-09T12:29:56.525Z",
      "location_count": 1,
      "location_summary": "San Diego, California",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04800159"
    },
    {
      "nct_id": "NCT02710097",
      "title": "Ethanol and Cannabinoid Effects on Simulated Driving and Related Cognition: Sub-Study II",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Cannabis",
        "Alcohol Effect",
        "Driving Under the Influence of Alcohol and Other Drugs"
      ],
      "interventions": [
        {
          "name": "Active inhaled cannabis",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Active Oral Ethanol",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Yale 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": 40,
      "start_date": "2016-03",
      "completion_date": "2026-12",
      "has_results": false,
      "last_update_posted_date": "2026-04-29",
      "last_synced_at": "2026-09-09T12:29:56.525Z",
      "location_count": 1,
      "location_summary": "West Haven, Connecticut",
      "locations": [
        {
          "city": "West Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02710097"
    },
    {
      "nct_id": "NCT03809546",
      "title": "Individual Differences in Drug Response",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Differential Female Response to Δ9-tetrahydrocannabinol (THC)"
      ],
      "interventions": [
        {
          "name": "Dronabinol",
          "type": "DRUG"
        },
        {
          "name": "dextrose",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 35 Years · Female only"
      },
      "enrollment_count": 60,
      "start_date": "2018-11-06",
      "completion_date": "2021-06-01",
      "has_results": true,
      "last_update_posted_date": "2024-07-03",
      "last_synced_at": "2026-09-09T12:29:56.525Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03809546"
    },
    {
      "nct_id": "NCT07043452",
      "title": "Measuring Acute Drug Demand in Humans II",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Healthy Volunteers"
      ],
      "interventions": [
        {
          "name": "Blinded Study Medication - Condition 1",
          "type": "DRUG"
        },
        {
          "name": "Blinded Study Medication - Condition 2",
          "type": "DRUG"
        },
        {
          "name": "Blinded Study Medication - Condition 3",
          "type": "DRUG"
        },
        {
          "name": "Blinded Study Medication - Condition 4",
          "type": "DRUG"
        },
        {
          "name": "Blinded Study Medication - Condition 5",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Johns Hopkins 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": 0,
      "start_date": "2025-11-15",
      "completion_date": "2027-12-30",
      "has_results": false,
      "last_update_posted_date": "2025-11-12",
      "last_synced_at": "2026-09-09T12:29:56.525Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07043452"
    },
    {
      "nct_id": "NCT06236815",
      "title": "High Confusion: Cannabis & Driving",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Impairment, Cognitive",
        "Impairment of Attention",
        "Impairment, Psychomotor"
      ],
      "interventions": [
        {
          "name": "Delta-9-THC",
          "type": "DRUG"
        },
        {
          "name": "Delta-8-THC",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "49 Years",
        "sex": "ALL",
        "summary": "18 Years to 49 Years"
      },
      "enrollment_count": 5,
      "start_date": "2025-01-25",
      "completion_date": "2025-09-16",
      "has_results": false,
      "last_update_posted_date": "2025-10-10",
      "last_synced_at": "2026-09-09T12:29:56.525Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06236815"
    },
    {
      "nct_id": "NCT06859723",
      "title": "High Potency Cannabis: Acute and Protracted Effects",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Abuse Cannabis",
        "Pain",
        "Pharmacokinetics"
      ],
      "interventions": [
        {
          "name": "Placebo Comparator: Placebo",
          "type": "DRUG"
        },
        {
          "name": "Low dose THC",
          "type": "DRUG"
        },
        {
          "name": "High dose THC",
          "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": 30,
      "start_date": "2025-07-03",
      "completion_date": "2028-07-01",
      "has_results": false,
      "last_update_posted_date": "2026-09-04",
      "last_synced_at": "2026-09-09T12:29:56.525Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06859723"
    },
    {
      "nct_id": "NCT00255580",
      "title": "Medicinal Cannabis for Painful HIV Neuropathy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Neuropathic Pain"
      ],
      "interventions": [
        {
          "name": "Smoked cannabis",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Center for Medicinal Cannabis Research",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "21 Years to 65 Years"
      },
      "enrollment_count": 28,
      "start_date": "2001-09",
      "completion_date": "2006-11",
      "has_results": false,
      "last_update_posted_date": "2008-02-28",
      "last_synced_at": "2026-09-09T12:29:56.525Z",
      "location_count": 1,
      "location_summary": "San Diego, California",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00255580"
    },
    {
      "nct_id": "NCT05273567",
      "title": "A Trial of Guanfacine-er for Cannabis Use Disorder",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Cannabis Use"
      ],
      "interventions": [
        {
          "name": "guanfacine-ER",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "New York State Psychiatric Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 22,
      "start_date": "2022-06-01",
      "completion_date": "2023-09-08",
      "has_results": true,
      "last_update_posted_date": "2026-08-18",
      "last_synced_at": "2026-09-09T12:29:56.525Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05273567"
    }
  ]
}