{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo+%28Part+B%29",
    "query": {
      "intervention": "Placebo (Part B)"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 722,
    "total_pages": 73,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo+%28Part+B%29&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-16T06:46:45.103Z",
  "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": "NCT05507515",
      "title": "A Phase 1 Study of ONO-2020 in Healthy Participants",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy Volunteers"
      ],
      "interventions": [
        {
          "name": "ONO-2020",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Ono Pharmaceutical Co., Ltd.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 132,
      "start_date": "2022-07-29",
      "completion_date": "2023-12-24",
      "has_results": false,
      "last_update_posted_date": "2024-04-09",
      "last_synced_at": "2026-09-16T06:46:45.103Z",
      "location_count": 1,
      "location_summary": "Cypress, California",
      "locations": [
        {
          "city": "Cypress",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05507515"
    },
    {
      "nct_id": "NCT06605950",
      "title": "A Study to Assess the Safety, Tolerability and Pharmacokinetics (PK) of Xanomeline With Trospium Chloride Versus KarXT in Healthy Adult and Elderly Participants of Japanese Ethnicity and to Assess the Effect of Omeprazole on the PK of Xanomeline With Trospium Chloride in Healthy Adult Participants",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy Volunteers"
      ],
      "interventions": [
        {
          "name": "KarXT",
          "type": "DRUG"
        },
        {
          "name": "KarX-EC",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Omeprazole",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Karuna Therapeutics, Inc., a Bristol Myers Squibb company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "19 Years to 90 Years"
      },
      "enrollment_count": 78,
      "start_date": "2024-10-01",
      "completion_date": "2025-05-31",
      "has_results": false,
      "last_update_posted_date": "2025-07-04",
      "last_synced_at": "2026-09-16T06:46:45.103Z",
      "location_count": 1,
      "location_summary": "Anaheim, California",
      "locations": [
        {
          "city": "Anaheim",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06605950"
    },
    {
      "nct_id": "NCT04744883",
      "title": "Efficacy of Spinal Manipulation Therapy or Mindfulness-based Reduction Therapy on Patients With Chronic Low Back Pain",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Chronic Low-back Pain"
      ],
      "interventions": [
        {
          "name": "Spinal Manipulation Therapy (SMT)",
          "type": "OTHER"
        },
        {
          "name": "Naloxone",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Mindfulness Based Stress Reduction Therapy (MT)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "Rush University Medical Center",
      "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": 140,
      "start_date": "2020-08-15",
      "completion_date": "2026-06-01",
      "has_results": false,
      "last_update_posted_date": "2025-07-10",
      "last_synced_at": "2026-09-16T06:46:45.103Z",
      "location_count": 2,
      "location_summary": "Chicago, Illinois • Nashville, Tennessee",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04744883"
    },
    {
      "nct_id": "NCT02289482",
      "title": "A Single Dose Pharmacokinetic (PK) and Safety Study of GSK2838232 With and Without Ritonavir (RTV) Conducted in Healthy Subjects",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Infection, Human Immunodeficiency Virus"
      ],
      "interventions": [
        {
          "name": "GSK2838232 PIB (SDD)",
          "type": "DRUG"
        },
        {
          "name": "GSK2838232 PIB (API)",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Ritonavir",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "GlaxoSmithKline",
      "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": 20,
      "start_date": "2014-11-17",
      "completion_date": "2015-03-10",
      "has_results": false,
      "last_update_posted_date": "2017-05-15",
      "last_synced_at": "2026-09-16T06:46:45.103Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02289482"
    },
    {
      "nct_id": "NCT06846593",
      "title": "The Comparison of Semiconductor Embedded Therapeutic Arm Sleeves for the Treatment of ECRB Tendinopathy",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "ECRB Tendinopathy"
      ],
      "interventions": [
        {
          "name": "Semiconductor Embedded Therapeutic Arm Sleeves",
          "type": "DEVICE"
        },
        {
          "name": "Placebo Arm Sleeves",
          "type": "DEVICE"
        },
        {
          "name": "Platelet-Rich Plasma with Adipose Stem Cell (PRP+ASC) Injections",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "INCREDIWEAR HOLDINGS, 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": 5,
      "start_date": "2024-11-01",
      "completion_date": "2026-05-20",
      "has_results": false,
      "last_update_posted_date": "2026-05-22",
      "last_synced_at": "2026-09-16T06:46:45.103Z",
      "location_count": 1,
      "location_summary": "Chesterfield, Missouri",
      "locations": [
        {
          "city": "Chesterfield",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06846593"
    },
    {
      "nct_id": "NCT06401044",
      "title": "A Study of AMG 732 in Healthy Participants and Participants With Thyroid Eye Disease",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Thyroid Eye Disease"
      ],
      "interventions": [
        {
          "name": "AMG 732",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Amgen",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 94,
      "start_date": "2024-05-30",
      "completion_date": "2027-12-24",
      "has_results": false,
      "last_update_posted_date": "2026-08-10",
      "last_synced_at": "2026-09-16T06:46:45.103Z",
      "location_count": 12,
      "location_summary": "Little Rock, Arkansas • Newport Beach, California • Jacksonville, Florida + 9 more",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Newport Beach",
          "state": "California"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Kissimmee",
          "state": "Florida"
        },
        {
          "city": "Sarasota",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06401044"
    },
    {
      "nct_id": "NCT06836609",
      "title": "A Study to Evaluate ALN-CIDEB in Adult Participants With Metabolic Dysfunction-Associated Steatotic Liver Disease or With Metabolic Dysfunction-Associated Steatohepatitis (MASLD/MASH)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Metabolic Dysfunction-Associated Steatotic Liver Disease",
        "Metabolic Dysfunction-Associated Steatohepatitis"
      ],
      "interventions": [
        {
          "name": "ALN-CIDEB",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Regeneron Pharmaceuticals",
      "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": 132,
      "start_date": "2025-04-28",
      "completion_date": "2027-05-15",
      "has_results": false,
      "last_update_posted_date": "2026-07-08",
      "last_synced_at": "2026-09-16T06:46:45.103Z",
      "location_count": 2,
      "location_summary": "Chandler, Arizona • Tucson, Arizona",
      "locations": [
        {
          "city": "Chandler",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06836609"
    },
    {
      "nct_id": "NCT02018536",
      "title": "A Study to Investigate the Safety, Tolerability and Pharmacokinetics of GSK2336805 Alone and With the Co-administration of TMC435 in Healthy Japanese Participants.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "GSK2336805 30 mg",
          "type": "DRUG"
        },
        {
          "name": "GSK2336805 60 mg",
          "type": "DRUG"
        },
        {
          "name": "GSK2336805 120 mg",
          "type": "DRUG"
        },
        {
          "name": "TMC435 150 mg (Treatment A)",
          "type": "DRUG"
        },
        {
          "name": "GSK2336805 60 mg (Treatment B and part of Treatment C and D)",
          "type": "DRUG"
        },
        {
          "name": "TMC435 100 mg (part of Treatment C)",
          "type": "DRUG"
        },
        {
          "name": "TMC435 150 mg (part of treatment D)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Janssen R&D Ireland",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "20 Years to 55 Years"
      },
      "enrollment_count": 48,
      "start_date": "2013-10",
      "completion_date": "2014-03",
      "has_results": false,
      "last_update_posted_date": "2014-06-17",
      "last_synced_at": "2026-09-16T06:46:45.103Z",
      "location_count": 1,
      "location_summary": "Cypress, California",
      "locations": [
        {
          "city": "Cypress",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02018536"
    },
    {
      "nct_id": "NCT06884865",
      "title": "A Study to Assess Safety and Tolerability of PCRX-201 in Subjects With Painful Osteoarthritis of the Knee",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Osteoarthritis (OA) of the Knee"
      ],
      "interventions": [
        {
          "name": "Enekinragene Inzadenovec (PCRX-201)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Pacira Pharmaceuticals, Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "45 Years to 80 Years"
      },
      "enrollment_count": 135,
      "start_date": "2025-02-26",
      "completion_date": "2032-07",
      "has_results": false,
      "last_update_posted_date": "2026-08-25",
      "last_synced_at": "2026-09-16T06:46:45.103Z",
      "location_count": 40,
      "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Beverly Hills, California + 34 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Beverly Hills",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06884865"
    },
    {
      "nct_id": "NCT03275064",
      "title": "Study of Safety, Tolerability, Preliminary Efficacy of Intra-articular LNA043 Injections in Patients With Articular Cartilage Lesions and Knee Osteoarthritis.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Osteoarthritis"
      ],
      "interventions": [
        {
          "name": "LNA043",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "Novartis Pharmaceuticals",
      "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": 142,
      "start_date": "2017-09-12",
      "completion_date": "2022-09-06",
      "has_results": true,
      "last_update_posted_date": "2026-04-21",
      "last_synced_at": "2026-09-16T06:46:45.103Z",
      "location_count": 11,
      "location_summary": "Phoenix, Arizona • La Mesa, California • Sacramento, California + 8 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "La Mesa",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "Miami Lakes",
          "state": "Florida"
        },
        {
          "city": "Sunrise",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03275064"
    }
  ]
}