{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo+with+Butyrate",
    "query": {
      "intervention": "Placebo with Butyrate"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 220,
    "total_pages": 22,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo+with+Butyrate&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-14T03:44:48.653Z",
  "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": "NCT02372578",
      "title": "Study to Assess Analgesic Efficacy and Safety of ASP3662 in Subjects With Painful Diabetic Peripheral Neuropathy",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Painful Diabetic Peripheral Neuropathy (PDPN)"
      ],
      "interventions": [
        {
          "name": "ASP3662",
          "type": "DRUG"
        },
        {
          "name": "pregabalin",
          "type": "DRUG"
        },
        {
          "name": "ASP3662 placebo",
          "type": "DRUG"
        },
        {
          "name": "pregabalin placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Astellas Pharma Global Development, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 115,
      "start_date": "2015-05-27",
      "completion_date": "2016-05-20",
      "has_results": false,
      "last_update_posted_date": "2019-03-26",
      "last_synced_at": "2026-09-14T03:44:48.653Z",
      "location_count": 37,
      "location_summary": "Anniston, Alabama • Phoenix, Arizona • Fresno, California + 33 more",
      "locations": [
        {
          "city": "Anniston",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Fresno",
          "state": "California"
        },
        {
          "city": "Lomita",
          "state": "California"
        },
        {
          "city": "Santa Monica",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02372578"
    },
    {
      "nct_id": "NCT00640003",
      "title": "Baclofen Treatment of Ataxia Telangiectasia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Ataxia Telangiectasia"
      ],
      "interventions": [
        {
          "name": "Baclofen",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 10,
      "start_date": "2007-04",
      "completion_date": "2011-02",
      "has_results": false,
      "last_update_posted_date": "2017-12-20",
      "last_synced_at": "2026-09-14T03:44:48.653Z",
      "location_count": 2,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00640003"
    },
    {
      "nct_id": "NCT02355886",
      "title": "Gabapentin in Reducing the Need for Pain Medication in Patients With Bladder Cancer Undergoing Radical Cystectomy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Bladder Carcinoma"
      ],
      "interventions": [
        {
          "name": "Gabapentin",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "University of Washington",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 25,
      "start_date": "2015-04-22",
      "completion_date": "2019-02-28",
      "has_results": true,
      "last_update_posted_date": "2019-06-04",
      "last_synced_at": "2026-09-14T03:44:48.653Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02355886"
    },
    {
      "nct_id": "NCT00232141",
      "title": "Study of Pregabalin Versus Placebo in the Treatment of Nerve Pain Associated With HIV Neuropathy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "HIV Infections",
        "Peripheral Neuropathy"
      ],
      "interventions": [
        {
          "name": "pregabalin",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pfizer's Upjohn has merged with Mylan to form Viatris Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 302,
      "start_date": "2005-10",
      "completion_date": "2007-11",
      "has_results": true,
      "last_update_posted_date": "2021-02-09",
      "last_synced_at": "2026-09-14T03:44:48.653Z",
      "location_count": 41,
      "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Little Rock, Arkansas + 29 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00232141"
    },
    {
      "nct_id": "NCT07777965",
      "title": "Abuse Potential of Oral Gabapentin in Healthy, Non-Drug-Dependent Individuals With Recreational Sedative Drug Use Experience",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Healthy Non-dependent, Recreational Sedative Users"
      ],
      "interventions": [
        {
          "name": "Alprazolam (Xanax)",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Gabapentin (Neurontin® (Registered Trademark))",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Viatris Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 44,
      "start_date": "2026-06-18",
      "completion_date": "2026-08-31",
      "has_results": false,
      "last_update_posted_date": "2026-09-08",
      "last_synced_at": "2026-09-14T03:44:48.653Z",
      "location_count": 1,
      "location_summary": "Overland Park, Kansas",
      "locations": [
        {
          "city": "Overland Park",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07777965"
    },
    {
      "nct_id": "NCT00351611",
      "title": "Vision Testing in Patients With Partial Seizures Receiving Either Lyrica or Placebo",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Epilepsies, Partial"
      ],
      "interventions": [
        {
          "name": "Lyrica (pregabalin)",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pfizer's Upjohn has merged with Mylan to form Viatris Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 187,
      "start_date": "2006-07-26",
      "completion_date": "2020-02-04",
      "has_results": true,
      "last_update_posted_date": "2021-04-13",
      "last_synced_at": "2026-09-14T03:44:48.653Z",
      "location_count": 103,
      "location_summary": "Mobile, Alabama • Northport, Alabama • Tuscaloosa, Alabama + 57 more",
      "locations": [
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Northport",
          "state": "Alabama"
        },
        {
          "city": "Tuscaloosa",
          "state": "Alabama"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00351611"
    },
    {
      "nct_id": "NCT06097676",
      "title": "An Abuse Potential Study of Orally Administered HORIZANT in Healthy, Non-dependent, Recreational Drug Users",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Abuse Potential"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Alprazolam 2 mg",
          "type": "DRUG"
        },
        {
          "name": "Gabapentin Enacarbil Immediate Release (GE-IR) 200 mg",
          "type": "DRUG"
        },
        {
          "name": "Gabapentin Enacarbil Immediate Release (GE-IR) 450 mg",
          "type": "DRUG"
        },
        {
          "name": "Gabapentin Enacarbil Immediate Release (GE-IR) 700 mg",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Arbor Pharmaceuticals, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 86,
      "start_date": "2021-09-28",
      "completion_date": "2022-06-30",
      "has_results": true,
      "last_update_posted_date": "2024-08-12",
      "last_synced_at": "2026-09-14T03:44:48.653Z",
      "location_count": 1,
      "location_summary": "Overland Park, Kansas",
      "locations": [
        {
          "city": "Overland Park",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06097676"
    },
    {
      "nct_id": "NCT00991276",
      "title": "Polysomnography Study Of Pregabalin And Pramipexole Versus Placebo In Patients With Restless Legs Syndrome And Associated Sleep Disturbance",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Restless Legs Syndrome"
      ],
      "interventions": [
        {
          "name": "pregabalin",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "DRUG"
        },
        {
          "name": "pramipexole",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pfizer's Upjohn has merged with Mylan to form Viatris Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 85,
      "start_date": "2009-12",
      "completion_date": "2011-06",
      "has_results": true,
      "last_update_posted_date": "2021-02-15",
      "last_synced_at": "2026-09-14T03:44:48.653Z",
      "location_count": 41,
      "location_summary": "Jasper, Alabama • Phoenix, Arizona • Tucson, Arizona + 35 more",
      "locations": [
        {
          "city": "Jasper",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00991276"
    },
    {
      "nct_id": "NCT00423813",
      "title": "A Safety and Efficacy Study of Xyrem® (Sodium Oxybate) to Treat Fibromyalgia.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Fibromyalgia"
      ],
      "interventions": [
        {
          "name": "placebo",
          "type": "DRUG"
        },
        {
          "name": "Xyrem®",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Jazz Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 573,
      "start_date": "2006-12",
      "completion_date": "2009-06",
      "has_results": true,
      "last_update_posted_date": "2012-01-24",
      "last_synced_at": "2026-09-14T03:44:48.653Z",
      "location_count": 71,
      "location_summary": "Auburn, Alabama • Birmingham, Alabama • Montgomery, Alabama + 61 more",
      "locations": [
        {
          "city": "Auburn",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Montgomery",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Anaheim",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00423813"
    },
    {
      "nct_id": "NCT03720717",
      "title": "Baclofen as a Perioperative Analgesic Adjuvant",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Pain"
      ],
      "interventions": [
        {
          "name": "Baclofen 10mg",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "19 Years and older"
      },
      "enrollment_count": 34,
      "start_date": "2020-10-27",
      "completion_date": "2022-10-28",
      "has_results": true,
      "last_update_posted_date": "2024-09-05",
      "last_synced_at": "2026-09-14T03:44:48.653Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03720717"
    }
  ]
}