{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Castor+Oil+%28Placebo%29",
    "query": {
      "intervention": "Castor Oil (Placebo)"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-26T23:31:24.967Z",
  "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": "NCT03455075",
      "title": "Study of Spermatogenesis Suppression With DMAU Alone or With LNG Versus Placebo Alone in Normal Men",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Healthy",
        "Men",
        "Male Contraception"
      ],
      "interventions": [
        {
          "name": "Dimethandrolone-Undecanoate",
          "type": "DRUG"
        },
        {
          "name": "Levonorgestrel 0.03 MG",
          "type": "DRUG"
        },
        {
          "name": "Placebo oral capsule",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Premier Research",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "MALE",
        "summary": "18 Years to 50 Years · Male only"
      },
      "enrollment_count": 92,
      "start_date": "2018-04-16",
      "completion_date": "2020-03-05",
      "has_results": false,
      "last_update_posted_date": "2025-10-30",
      "last_synced_at": "2026-09-26T23:31:24.967Z",
      "location_count": 2,
      "location_summary": "Torrance, California • Seattle, Washington",
      "locations": [
        {
          "city": "Torrance",
          "state": "California"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03455075"
    },
    {
      "nct_id": "NCT07363395",
      "title": "Safety, Tolerability, and Pharmacokinetics of ASCT-83 in Healthy Adults",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Neuropathic Pain"
      ],
      "interventions": [
        {
          "name": "ASCT-83",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Alcamena Stem Cell Therapeutics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "18 Years to 64 Years"
      },
      "enrollment_count": 72,
      "start_date": "2026-01-06",
      "completion_date": "2026-12-01",
      "has_results": false,
      "last_update_posted_date": "2026-06-16",
      "last_synced_at": "2026-09-26T23:31:24.967Z",
      "location_count": 1,
      "location_summary": "Saint Paul, Minnesota",
      "locations": [
        {
          "city": "Saint Paul",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07363395"
    },
    {
      "nct_id": "NCT01119963",
      "title": "Progesterone (17P, Makena®) for Prolongation of Pregnancy in Women With Preterm Rupture of the Membranes (PROM)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Preterm Delivery"
      ],
      "interventions": [
        {
          "name": "17-alpha-hydroxy-progesterone caproate, Makena®",
          "type": "DRUG"
        },
        {
          "name": "Castor Oil (Placebo)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Obstetrix Medical Group",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 152,
      "start_date": "2011-10",
      "completion_date": "2014-10",
      "has_results": true,
      "last_update_posted_date": "2018-06-28",
      "last_synced_at": "2026-09-26T23:31:24.967Z",
      "location_count": 15,
      "location_summary": "Mobile, Alabama • Mesa, Arizona • Phoenix, Arizona + 10 more",
      "locations": [
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Mesa",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Long Beach",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01119963"
    },
    {
      "nct_id": "NCT03298373",
      "title": "28-Day Repeat-Dose, Dose Escalation Study of 11-β Methyl Nortestosterone Dodecylcarbonate (11β-MNTDC) in Healthy Men",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy Men",
        "Male Contraception"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "11β-methyl-nortestosterone-dodecylcarbonate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Premier Research",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "MALE",
        "summary": "18 Years to 50 Years · Male only"
      },
      "enrollment_count": 43,
      "start_date": "2017-11-09",
      "completion_date": "2020-02-05",
      "has_results": false,
      "last_update_posted_date": "2019-08-12",
      "last_synced_at": "2026-09-26T23:31:24.967Z",
      "location_count": 2,
      "location_summary": "Torrance, California • Seattle, Washington",
      "locations": [
        {
          "city": "Torrance",
          "state": "California"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03298373"
    },
    {
      "nct_id": "NCT01050647",
      "title": "Progesterone for the Management of Preterm, Premature Rupture of the Membranes: A Randomized Controlled Trial.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Pregnancy Complications"
      ],
      "interventions": [
        {
          "name": "17-Hydroxyprogesterone Caproate",
          "type": "DRUG"
        },
        {
          "name": "Caster Oil injections",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "Female only"
      },
      "enrollment_count": 21,
      "start_date": "2010-02",
      "completion_date": "2015-12",
      "has_results": true,
      "last_update_posted_date": "2019-04-09",
      "last_synced_at": "2026-09-26T23:31:24.967Z",
      "location_count": 2,
      "location_summary": "San Jose, California • Stanford, California",
      "locations": [
        {
          "city": "San Jose",
          "state": "California"
        },
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01050647"
    },
    {
      "nct_id": "NCT06033222",
      "title": "A Study of Perturbation of Human Small Intestinal Colonic Permeability",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Ricinoleic Acid 750 mg",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Ricinoleic Acid 1500 mg",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Ricinoleic Acid 3000 mg",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "DRUG"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 24,
      "start_date": "2024-01-08",
      "completion_date": "2024-07-31",
      "has_results": false,
      "last_update_posted_date": "2024-09-19",
      "last_synced_at": "2026-09-26T23:31:24.967Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06033222"
    },
    {
      "nct_id": "NCT00439374",
      "title": "RCT of Progesterone to Prevent Preterm Birth in Nulliparous Women With a Short Cervix",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Preterm Delivery",
        "Cervical Length"
      ],
      "interventions": [
        {
          "name": "17 alpha-hydroxyprogesterone caproate",
          "type": "DRUG"
        },
        {
          "name": "Placebo Oil",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "The George Washington University Biostatistics Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "Female only"
      },
      "enrollment_count": 657,
      "start_date": "2007-04",
      "completion_date": "2011-12",
      "has_results": true,
      "last_update_posted_date": "2019-07-15",
      "last_synced_at": "2026-09-26T23:31:24.967Z",
      "location_count": 14,
      "location_summary": "Birmingham, Alabama • Chicago, Illinois • Detroit, Michigan + 11 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Detroit",
          "state": "Michigan"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00439374"
    },
    {
      "nct_id": "NCT02927210",
      "title": "Injectable DMAU for Male Contraception in Healthy Male Volunteers (CCN015)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy Men",
        "Male Contraception"
      ],
      "interventions": [
        {
          "name": "Dimethandrolone Undecanoate",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Kimberly Myer",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "MALE",
        "summary": "18 Years to 50 Years · Male only"
      },
      "enrollment_count": 106,
      "start_date": "2017-02-15",
      "completion_date": "2025-04-29",
      "has_results": false,
      "last_update_posted_date": "2025-10-31",
      "last_synced_at": "2026-09-26T23:31:24.967Z",
      "location_count": 2,
      "location_summary": "Torrance, California • Seattle, Washington",
      "locations": [
        {
          "city": "Torrance",
          "state": "California"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02927210"
    },
    {
      "nct_id": "NCT01004029",
      "title": "Confirmatory Study of 17P vs Vehicle for Prevention of Preterm Birth in Women w/ Previous Spontaneous Preterm Delivery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Preterm Birth"
      ],
      "interventions": [
        {
          "name": "Hydroxyprogesterone Caproate Injection (HPC), 250mg/mL",
          "type": "DRUG"
        },
        {
          "name": "Vehicle",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "AMAG Pharmaceuticals, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 1740,
      "start_date": "2009-10",
      "completion_date": "2018-10",
      "has_results": true,
      "last_update_posted_date": "2022-06-01",
      "last_synced_at": "2026-09-26T23:31:24.967Z",
      "location_count": 41,
      "location_summary": "Montgomery, Alabama • Tucson, Arizona • La Mesa, California + 35 more",
      "locations": [
        {
          "city": "Montgomery",
          "state": "Alabama"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "La Mesa",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "West Hills",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01004029"
    },
    {
      "nct_id": "NCT07638189",
      "title": "CBD Knee Osteoarthritis Study",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Osteoarthitis"
      ],
      "interventions": [
        {
          "name": "Cannabidiol (CBD)",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Castor Oil (Placebo)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "University of Tennessee",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 30,
      "start_date": "2026-07-01",
      "completion_date": "2028-03-30",
      "has_results": false,
      "last_update_posted_date": "2026-06-10",
      "last_synced_at": "2026-09-26T23:31:24.967Z",
      "location_count": 1,
      "location_summary": "Memphis, Tennessee",
      "locations": [
        {
          "city": "Memphis",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07638189"
    }
  ]
}