{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo+%28vehicle+without+active+ingredient%29",
    "query": {
      "intervention": "Placebo (vehicle without active ingredient)"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 25,
    "total_pages": 3,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo+%28vehicle+without+active+ingredient%29&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-30T16:11:07.164Z",
  "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": "NCT02485717",
      "title": "Phase 3 Trial to Assess the Safety and Efficacy of Natroba for the Treatment of Scabies",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Scabies"
      ],
      "interventions": [
        {
          "name": "spinosad topical suspension, 0.9%",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "ParaPRO LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "4 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "4 Years and older"
      },
      "enrollment_count": 291,
      "start_date": "2017-05-02",
      "completion_date": "2018-06-25",
      "has_results": true,
      "last_update_posted_date": "2021-05-19",
      "last_synced_at": "2026-09-30T16:11:07.164Z",
      "location_count": 5,
      "location_summary": "Elk Grove, California • Kissimmee, Florida • Miami, Florida + 1 more",
      "locations": [
        {
          "city": "Elk Grove",
          "state": "California"
        },
        {
          "city": "Kissimmee",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "West Palm Beach",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02485717"
    },
    {
      "nct_id": "NCT04770610",
      "title": "Study of OT-101 in Treating Myopia",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Myopia, Progressive"
      ],
      "interventions": [
        {
          "name": "OT-101 Ophthalmic Solution",
          "type": "DRUG"
        },
        {
          "name": "Vehicle",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Ocumension (Hong Kong) Limited",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": "15 Years",
        "sex": "ALL",
        "summary": "3 Years to 15 Years"
      },
      "enrollment_count": 678,
      "start_date": "2021-04-01",
      "completion_date": "2027-04",
      "has_results": false,
      "last_update_posted_date": "2023-08-08",
      "last_synced_at": "2026-09-30T16:11:07.164Z",
      "location_count": 15,
      "location_summary": "Colorado Springs, Colorado • Fort Collins, Colorado • Gainesville, Florida + 12 more",
      "locations": [
        {
          "city": "Colorado Springs",
          "state": "Colorado"
        },
        {
          "city": "Fort Collins",
          "state": "Colorado"
        },
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04770610"
    },
    {
      "nct_id": "NCT02597634",
      "title": "Study of SST-0225 Topical Ibuprofen Cream in the Treatment of Delayed Onset Muscle Soreness (DOMS)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Delayed Onset Muscle Soreness, DOMS"
      ],
      "interventions": [
        {
          "name": "SST-0225",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Strategic Science & Technologies, LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "16 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "16 Years to 65 Years"
      },
      "enrollment_count": 156,
      "start_date": "2015-11",
      "completion_date": "2016-10",
      "has_results": false,
      "last_update_posted_date": "2016-10-13",
      "last_synced_at": "2026-09-30T16:11:07.164Z",
      "location_count": 3,
      "location_summary": "Hollywood, Florida • South Miami, Florida • Springfield, Missouri",
      "locations": [
        {
          "city": "Hollywood",
          "state": "Florida"
        },
        {
          "city": "South Miami",
          "state": "Florida"
        },
        {
          "city": "Springfield",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02597634"
    },
    {
      "nct_id": "NCT01228513",
      "title": "Efficacy and Safety of Different Concentrations of ZK245186 in Atopic Dermatitis (AD)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Atopic Dermatitis"
      ],
      "interventions": [
        {
          "name": "ZK245186",
          "type": "DRUG"
        },
        {
          "name": "Placebo (vehicle without active ingredient)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bayer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 263,
      "start_date": "2010-11",
      "completion_date": "2012-04",
      "has_results": false,
      "last_update_posted_date": "2016-01-21",
      "last_synced_at": "2026-09-30T16:11:07.164Z",
      "location_count": 13,
      "location_summary": "Anaheim, California • Honolulu, Hawaii • Boise, Idaho + 10 more",
      "locations": [
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "Honolulu",
          "state": "Hawaii"
        },
        {
          "city": "Boise",
          "state": "Idaho"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01228513"
    },
    {
      "nct_id": "NCT03578029",
      "title": "Evaluation of the Safety and Efficacy Study of RGN-137 Topical Gel for Junctional and Dystrophic Epidermolysis Bullosa",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Junctional Epidermolysis Bullosa",
        "Dystrophic Epidermolysis Bullosa"
      ],
      "interventions": [
        {
          "name": "RGN-137",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Lenus Therapeutics, LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "4 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "4 Years and older"
      },
      "enrollment_count": 4,
      "start_date": "2019-05-22",
      "completion_date": "2021-11-23",
      "has_results": false,
      "last_update_posted_date": "2022-08-22",
      "last_synced_at": "2026-09-30T16:11:07.164Z",
      "location_count": 5,
      "location_summary": "Evanston, Illinois • Brooklyn, New York • Cincinnati, Ohio + 2 more",
      "locations": [
        {
          "city": "Evanston",
          "state": "Illinois"
        },
        {
          "city": "Brooklyn",
          "state": "New York"
        },
        {
          "city": "Cincinnati",
          "state": "Ohio"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        },
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03578029"
    },
    {
      "nct_id": "NCT02342691",
      "title": "Safety and Preliminary Efficacy of Lipoxin Analog BLXA4-ME Oral Rinse for the Treatment of Gingivitis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Gingival Inflammation"
      ],
      "interventions": [
        {
          "name": "BLXA4",
          "type": "DRUG"
        },
        {
          "name": "Placebo oral rinse",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "The Forsyth Institute",
      "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": 127,
      "start_date": "2015-04",
      "completion_date": "2019-08-30",
      "has_results": true,
      "last_update_posted_date": "2023-12-20",
      "last_synced_at": "2026-09-30T16:11:07.164Z",
      "location_count": 1,
      "location_summary": "Cambridge, Massachusetts",
      "locations": [
        {
          "city": "Cambridge",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02342691"
    },
    {
      "nct_id": "NCT03883360",
      "title": "Effects of Cannabidiol on Psychiatric Symptoms, Cognition, and Cannabis Consumption in Cannabis Users With Recent-Onset Psychosis",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Schizophrenia Spectrum Disorders",
        "Cannabis Use"
      ],
      "interventions": [
        {
          "name": "Cannabidiol (CBD)",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Maryland, Baltimore",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "18 Years to 35 Years"
      },
      "enrollment_count": 0,
      "start_date": "2050-01",
      "completion_date": "2050-03",
      "has_results": false,
      "last_update_posted_date": "2021-04-19",
      "last_synced_at": "2026-09-30T16:11:07.164Z",
      "location_count": 3,
      "location_summary": "Los Angeles, California • Baltimore, Maryland • Catonsville, Maryland",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Catonsville",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03883360"
    },
    {
      "nct_id": "NCT01336647",
      "title": "An Efficacy and Safety Study of Ha44 Gel Administered Topically for the Treatment of Head Lice Infestation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Pediculosis"
      ],
      "interventions": [
        {
          "name": "Group A - Low-Dose Ha44 0.37% w/w",
          "type": "DRUG"
        },
        {
          "name": "Group B - High Dose Ha44 Gel 0.74% w/w",
          "type": "DRUG"
        },
        {
          "name": "Group C - Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Dr. Reddy's Laboratories Limited",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "2 Years and older"
      },
      "enrollment_count": 142,
      "start_date": "2011-04",
      "completion_date": "2012-03",
      "has_results": true,
      "last_update_posted_date": "2020-04-29",
      "last_synced_at": "2026-09-30T16:11:07.164Z",
      "location_count": 2,
      "location_summary": "Dinuba, California • Los Angeles, California",
      "locations": [
        {
          "city": "Dinuba",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01336647"
    },
    {
      "nct_id": "NCT03990051",
      "title": "Treatment Safety and Efficacy of Pro-ocular™ 1% for Chronic Ocular Graft Following Allogeneic HSCT.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Chronic Ocular Graft-versus-host Disease"
      ],
      "interventions": [
        {
          "name": "Pro-ocular™ topical gel",
          "type": "DRUG"
        },
        {
          "name": "Placebo topical gel",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Glia, LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 33,
      "start_date": "2019-10-17",
      "completion_date": "2021-11-19",
      "has_results": true,
      "last_update_posted_date": "2025-05-06",
      "last_synced_at": "2026-09-30T16:11:07.164Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03990051"
    },
    {
      "nct_id": "NCT00348439",
      "title": "Study to Evaluate Plasmin for the Creation of a Posterior Vitreous Detachment",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Vitreoretinal Traction Syndrome"
      ],
      "interventions": [
        {
          "name": "Plasmin",
          "type": "DRUG"
        },
        {
          "name": "Vehicle",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bausch & Lomb Incorporated",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 29,
      "start_date": "2006-04",
      "completion_date": "2007-08",
      "has_results": false,
      "last_update_posted_date": "2019-06-21",
      "last_synced_at": "2026-09-30T16:11:07.164Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00348439"
    }
  ]
}