{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=placebo+gel&page=4",
    "query": {
      "intervention": "placebo gel",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 536,
    "total_pages": 54,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=placebo+gel&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=placebo+gel&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-06T18:28:31.426Z",
  "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": "NCT02952898",
      "title": "Study Comparing GDC 695 and Diclofenac Sodium Gel, 3% in Subjects With Actinic Keratoses",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Actinic Keratosis"
      ],
      "interventions": [
        {
          "name": "GDC 695",
          "type": "DRUG"
        },
        {
          "name": "Diclofenac Sodium Gel, 3%",
          "type": "DRUG"
        },
        {
          "name": "Vehicle gel",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Balmoral Medical company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 665,
      "start_date": "2016-10-27",
      "completion_date": "2017-09-06",
      "has_results": true,
      "last_update_posted_date": "2020-01-07",
      "last_synced_at": "2026-10-06T18:28:31.426Z",
      "location_count": 16,
      "location_summary": "Fort Smith, Arkansas • San Diego, California • San Ramon, California + 13 more",
      "locations": [
        {
          "city": "Fort Smith",
          "state": "Arkansas"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Ramon",
          "state": "California"
        },
        {
          "city": "Clearwater",
          "state": "Florida"
        },
        {
          "city": "North Miami Beach",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02952898"
    },
    {
      "nct_id": "NCT00516503",
      "title": "Baclofen-Amitriptyline Hydrochloride-Ketamine Gel in Treating Peripheral Neuropathy Caused by Chemotherapy in Patients With Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Chronic Myeloproliferative Disorders",
        "Leukemia",
        "Lymphoma",
        "Lymphoproliferative Disorder",
        "Multiple Myeloma and Plasma Cell Neoplasm",
        "Myelodysplastic Syndromes",
        "Myelodysplastic/Myeloproliferative Neoplasms",
        "Neurotoxicity",
        "Pain",
        "Unspecified Adult Solid Tumor, Protocol Specific"
      ],
      "interventions": [
        {
          "name": "baclofen/amitriptyline/ketamine gel",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Alliance for Clinical Trials in Oncology",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 208,
      "start_date": "2008-02",
      "completion_date": "2010-01",
      "has_results": true,
      "last_update_posted_date": "2017-08-24",
      "last_synced_at": "2026-10-06T18:28:31.426Z",
      "location_count": 165,
      "location_summary": "Scottsdale, Arizona • Jacksonville, Florida • Aurora, Illinois + 104 more",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Aurora",
          "state": "Illinois"
        },
        {
          "city": "Bloomington",
          "state": "Illinois"
        },
        {
          "city": "Canton",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00516503"
    },
    {
      "nct_id": "NCT02517931",
      "title": "Sphenopalatine Ganglion Block for Postdural Puncture Headache in the Emergency Department",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Postdural Puncture Headache"
      ],
      "interventions": [
        {
          "name": "Sphenopalatine Ganglion Block",
          "type": "PROCEDURE"
        },
        {
          "name": "Placebo",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of Arkansas",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2019-01-01",
      "completion_date": "2019-09-23",
      "has_results": false,
      "last_update_posted_date": "2019-09-25",
      "last_synced_at": "2026-10-06T18:28:31.426Z",
      "location_count": 1,
      "location_summary": "Little Rock, Arkansas",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02517931"
    },
    {
      "nct_id": "NCT01686828",
      "title": "T-IR- Study to Understand the Effects of Testosterone and Estrogen on the Body's Response to the Hormone Insulin",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Insulin Resistance",
        "Type 2 Diabetes Mellitus",
        "Obesity",
        "Androgen Deficiency",
        "Metabolic Disease"
      ],
      "interventions": [
        {
          "name": "Acyline",
          "type": "DRUG"
        },
        {
          "name": "Testosterone 1.62% gel",
          "type": "DRUG"
        },
        {
          "name": "Letrozole",
          "type": "DRUG"
        },
        {
          "name": "Placebo gel (for Testosterone 1.62% gel)",
          "type": "DRUG"
        },
        {
          "name": "Placebo pill (for Letrozole)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Washington",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": "55 Years",
        "sex": "MALE",
        "summary": "25 Years to 55 Years · Male only"
      },
      "enrollment_count": 53,
      "start_date": "2013-06",
      "completion_date": "2017-12",
      "has_results": true,
      "last_update_posted_date": "2018-05-08",
      "last_synced_at": "2026-10-06T18:28:31.426Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01686828"
    },
    {
      "nct_id": "NCT03593538",
      "title": "Effects of Metformin During Nicotine Withdrawal",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Smoking",
        "HIV-1-infection"
      ],
      "interventions": [
        {
          "name": "Metformin",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 80,
      "start_date": "2016-04-01",
      "completion_date": "2020-03-13",
      "has_results": true,
      "last_update_posted_date": "2021-03-26",
      "last_synced_at": "2026-10-06T18:28:31.426Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03593538"
    },
    {
      "nct_id": "NCT01027143",
      "title": "Obesity and Asthma: Nutrigenetic Response to Omega-3 Fatty Acids",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Asthma",
        "Obesity"
      ],
      "interventions": [
        {
          "name": "omega-3 polyunsaturated fatty acids",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Omega-3 Fatty Acid",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "DRUG"
      ],
      "sponsor": "Nemours Children's Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "25 Years",
        "sex": "ALL",
        "summary": "12 Years to 25 Years"
      },
      "enrollment_count": 143,
      "start_date": "2010-07",
      "completion_date": "2016-10-22",
      "has_results": true,
      "last_update_posted_date": "2023-09-08",
      "last_synced_at": "2026-10-06T18:28:31.426Z",
      "location_count": 3,
      "location_summary": "Jacksonville, Florida • Orlando, Florida • Tampa, Florida",
      "locations": [
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01027143"
    },
    {
      "nct_id": "NCT01192568",
      "title": "Safety and Efficacy Evaluation of Oxybutynin Topical Gel In Children With Neurogenic Bladder",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Overactive Detrusor",
        "Neurogenic Bladder"
      ],
      "interventions": [
        {
          "name": "Oxybutynin",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "AbbVie",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": "16 Years",
        "sex": "ALL",
        "summary": "3 Years to 16 Years"
      },
      "enrollment_count": 52,
      "start_date": "2011-05-17",
      "completion_date": "2023-10-24",
      "has_results": true,
      "last_update_posted_date": "2024-09-04",
      "last_synced_at": "2026-10-06T18:28:31.426Z",
      "location_count": 10,
      "location_summary": "Loma Linda, California • Orange, California • Aurora, Colorado + 7 more",
      "locations": [
        {
          "city": "Loma Linda",
          "state": "California"
        },
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Augusta",
          "state": "Georgia"
        },
        {
          "city": "Jackson",
          "state": "Mississippi"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01192568"
    },
    {
      "nct_id": "NCT01591785",
      "title": "Treatment of Staphylococcus Aureus Colonization in Hand Eczema",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hand Eczema",
        "Foot Eczema"
      ],
      "interventions": [
        {
          "name": "Retapamulin 1% ointment",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Gary Goldenberg",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 60,
      "start_date": "2012-01",
      "completion_date": "2012-08",
      "has_results": true,
      "last_update_posted_date": "2020-12-03",
      "last_synced_at": "2026-10-06T18:28:31.426Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01591785"
    },
    {
      "nct_id": "NCT04843813",
      "title": "Effects of Lutein Supplementation on Cognition and MPOD in Multiple Sclerosis Patients-",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Multiple Sclerosis"
      ],
      "interventions": [
        {
          "name": "Lutein",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of Illinois at Urbana-Champaign",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "18 Years to 64 Years"
      },
      "enrollment_count": 60,
      "start_date": "2021-03-26",
      "completion_date": "2023-03",
      "has_results": false,
      "last_update_posted_date": "2021-04-15",
      "last_synced_at": "2026-10-06T18:28:31.426Z",
      "location_count": 1,
      "location_summary": "Urbana, Illinois",
      "locations": [
        {
          "city": "Urbana",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04843813"
    },
    {
      "nct_id": "NCT03068754",
      "title": "Study of Acthar® Gel (Acthar) for Amyotrophic Lateral Sclerosis (ALS)",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Amyotrophic Lateral Sclerosis"
      ],
      "interventions": [
        {
          "name": "Acthar",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Mallinckrodt",
      "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": 143,
      "start_date": "2017-06-22",
      "completion_date": "2019-11-25",
      "has_results": true,
      "last_update_posted_date": "2020-10-14",
      "last_synced_at": "2026-10-06T18:28:31.426Z",
      "location_count": 39,
      "location_summary": "Phoenix, Arizona • Scottsdale, Arizona • La Jolla, California + 33 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Loma Linda",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03068754"
    }
  ]
}