{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?sponsor=COMPASS+Pathways",
    "query": {
      "sponsor": "COMPASS Pathways"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 16,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?sponsor=COMPASS+Pathways&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-03T11:30:15.818Z",
  "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": "NCT05312151",
      "title": "The Safety and Tolerability of COMP360 in Participants With Post-traumatic Stress Disorder",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Post Traumatic Stress Disorder"
      ],
      "interventions": [
        {
          "name": "Psilocybin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "COMPASS Pathways",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 22,
      "start_date": "2022-06-10",
      "completion_date": "2024-02-12",
      "has_results": true,
      "last_update_posted_date": "2025-06-13",
      "last_synced_at": "2026-09-03T11:30:15.818Z",
      "location_count": 2,
      "location_summary": "Rockville, Maryland • New York, New York",
      "locations": [
        {
          "city": "Rockville",
          "state": "Maryland"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05312151"
    },
    {
      "nct_id": "NCT05381974",
      "title": "The Effects of Psilocybin on Self-Focus and Self-Related Processing in Treatment Resistant MDD",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Treatment-Resistant Major Depressive Disorder"
      ],
      "interventions": [
        {
          "name": "Psilocybin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 0,
      "start_date": "2022-09-15",
      "completion_date": "2023-06-01",
      "has_results": false,
      "last_update_posted_date": "2024-01-24",
      "last_synced_at": "2026-09-03T11:30:15.818Z",
      "location_count": 1,
      "location_summary": "Charlestown, Massachusetts",
      "locations": [
        {
          "city": "Charlestown",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05381974"
    },
    {
      "nct_id": "NCT05624268",
      "title": "Efficacy, Safety, and Tolerability of COMP360 in Participants With TRD",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Treatment Resistant Depression"
      ],
      "interventions": [
        {
          "name": "Psilocybin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "COMPASS Pathways",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 258,
      "start_date": "2023-01-24",
      "completion_date": "2026-04-15",
      "has_results": false,
      "last_update_posted_date": "2026-08-10",
      "last_synced_at": "2026-09-03T11:30:15.818Z",
      "location_count": 40,
      "location_summary": "Tuscon, Arizona • Culver City, California • Garden Grove, California + 30 more",
      "locations": [
        {
          "city": "Tuscon",
          "state": "Arizona"
        },
        {
          "city": "Culver City",
          "state": "California"
        },
        {
          "city": "Garden Grove",
          "state": "California"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "La Jolla",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05624268"
    },
    {
      "nct_id": "NCT04739865",
      "title": "The Safety and Efficacy Of Psilocybin as an Adjunctive Therapy in Participants With Treatment Resistant Depression",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Treatment Resistant Depression"
      ],
      "interventions": [
        {
          "name": "Psilocybin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "COMPASS Pathways",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 19,
      "start_date": "2020-08-10",
      "completion_date": "2021-10-14",
      "has_results": true,
      "last_update_posted_date": "2023-11-09",
      "last_synced_at": "2026-09-03T11:30:15.818Z",
      "location_count": 1,
      "location_summary": "La Jolla, California",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04739865"
    },
    {
      "nct_id": "NCT04656301",
      "title": "Safety and Efficacy of Psilocybin for Body Dysmorphic Disorder",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Body Dysmorphic Disorders"
      ],
      "interventions": [
        {
          "name": "Psilocybin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "New York State Psychiatric Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 12,
      "start_date": "2021-02-26",
      "completion_date": "2022-11-02",
      "has_results": true,
      "last_update_posted_date": "2023-03-13",
      "last_synced_at": "2026-09-03T11:30:15.818Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04656301"
    },
    {
      "nct_id": "NCT03775200",
      "title": "The Safety and Efficacy of Psilocybin in Participants With Treatment Resistant Depression",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Treatment Resistant Depression"
      ],
      "interventions": [
        {
          "name": "Psilocybin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "COMPASS Pathways",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 233,
      "start_date": "2019-03-01",
      "completion_date": "2021-09-27",
      "has_results": true,
      "last_update_posted_date": "2023-04-24",
      "last_synced_at": "2026-09-03T11:30:15.818Z",
      "location_count": 8,
      "location_summary": "La Jolla, California • San Diego, California • Stanford, California + 5 more",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Stanford",
          "state": "California"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "New Orleans",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03775200"
    },
    {
      "nct_id": "NCT04433845",
      "title": "The Safety and Efficacy of Psilocybin in Participants With Type 2 Bipolar Disorder (BP-II) Depression.",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Treatment Resistant Depression"
      ],
      "interventions": [
        {
          "name": "Psilocybin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Sheppard Pratt Health System",
      "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": 15,
      "start_date": "2021-03-01",
      "completion_date": "2023-04-15",
      "has_results": false,
      "last_update_posted_date": "2022-10-25",
      "last_synced_at": "2026-09-03T11:30:15.818Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04433845"
    },
    {
      "nct_id": "NCT05711940",
      "title": "Efficacy, Safety, and Tolerability of Two Administrations of COMP360 in Participants With TRD",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Treatment Resistant Depression"
      ],
      "interventions": [
        {
          "name": "Psilocybin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "COMPASS Pathways",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 572,
      "start_date": "2023-02-14",
      "completion_date": "2026-12",
      "has_results": false,
      "last_update_posted_date": "2026-08-10",
      "last_synced_at": "2026-09-03T11:30:15.818Z",
      "location_count": 62,
      "location_summary": "Gilbert, Arizona • Bellflower, California • Encino, California + 50 more",
      "locations": [
        {
          "city": "Gilbert",
          "state": "Arizona"
        },
        {
          "city": "Bellflower",
          "state": "California"
        },
        {
          "city": "Encino",
          "state": "California"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "La Jolla",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05711940"
    },
    {
      "nct_id": "NCT05220410",
      "title": "The Safety and Efficacy of Psilocybin in Patients With Treatment-resistant Depression and Chronic Suicidal Ideation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Treatment Resistant Depression",
        "Suicidal Ideation"
      ],
      "interventions": [
        {
          "name": "Psilocybin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Sheppard Pratt Health System",
      "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": 20,
      "start_date": "2022-03-28",
      "completion_date": "2025-05-12",
      "has_results": false,
      "last_update_posted_date": "2025-12-24",
      "last_synced_at": "2026-09-03T11:30:15.818Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05220410"
    },
    {
      "nct_id": "NCT04433858",
      "title": "An Open Label Study of the Safety and Efficacy of Psilocybin in Participants With Treatment-Resistant Depression (P-TRD)",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Treatment Resistant Depression"
      ],
      "interventions": [
        {
          "name": "Psilocybin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Sheppard Pratt Health System",
      "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": 27,
      "start_date": "2021-03-01",
      "completion_date": "2026-05-01",
      "has_results": false,
      "last_update_posted_date": "2024-08-09",
      "last_synced_at": "2026-09-03T11:30:15.818Z",
      "location_count": 2,
      "location_summary": "Palo Alto, California • Baltimore, Maryland",
      "locations": [
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04433858"
    }
  ]
}