{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=placebo+group&page=23",
    "query": {
      "intervention": "placebo group",
      "page": 23
    },
    "page_size": 10
  },
  "pagination": {
    "page": 23,
    "page_size": 10,
    "total_count": 7251,
    "total_pages": 726,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=placebo+group&page=24&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=placebo+group&page=22&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-15T05:19:46.984Z",
  "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": "NCT01247324",
      "title": "A Study of Ocrelizumab in Comparison With Interferon Beta-1a (Rebif) in Participants With Relapsing Multiple Sclerosis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Relapsing Multiple Sclerosis"
      ],
      "interventions": [
        {
          "name": "Interferon beta-1a",
          "type": "DRUG"
        },
        {
          "name": "Ocrelizumab-matching placebo",
          "type": "DRUG"
        },
        {
          "name": "Ocrelizumab",
          "type": "DRUG"
        },
        {
          "name": "Interferon beta-1a-matching placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Hoffmann-La Roche",
      "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": 821,
      "start_date": "2011-08-31",
      "completion_date": "2022-12-31",
      "has_results": true,
      "last_update_posted_date": "2024-03-04",
      "last_synced_at": "2026-10-15T05:19:46.984Z",
      "location_count": 40,
      "location_summary": "Phoenix, Arizona • Carmichael, California • La Jolla, California + 32 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Carmichael",
          "state": "California"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Laguna Hills",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01247324"
    },
    {
      "nct_id": "NCT07179380",
      "title": "Efficacy and Safety Study of Treprostinil Palmitil Inhalation Powder (TPIP) in Participants With Pulmonary Hypertension Associated With Interstitial Lung Disease (PH-ILD)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Pulmonary Hypertension",
        "Interstitial Lung Disease"
      ],
      "interventions": [
        {
          "name": "Treprostinil Palmitil Inhalation Powder",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Insmed Incorporated",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 344,
      "start_date": "2026-01-07",
      "completion_date": "2028-12-30",
      "has_results": false,
      "last_update_posted_date": "2026-10-13",
      "last_synced_at": "2026-10-15T05:19:46.984Z",
      "location_count": 19,
      "location_summary": "Phoenix, Arizona • Fresno, California • Los Angeles, California + 15 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Fresno",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07179380"
    },
    {
      "nct_id": "NCT03476317",
      "title": "Pilot Study of Fundamental Modification of the Gut Microbiota in the Treatment of Refractory Crohn's Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Crohn Disease"
      ],
      "interventions": [
        {
          "name": "Vancomycin",
          "type": "DRUG"
        },
        {
          "name": "Neomycin",
          "type": "DRUG"
        },
        {
          "name": "Ciprofloxacin",
          "type": "DRUG"
        },
        {
          "name": "Polyethylene Glycol 3350",
          "type": "DRUG"
        },
        {
          "name": "Fluconazole",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Children's Hospital of Philadelphia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "6 Years and older"
      },
      "enrollment_count": 10,
      "start_date": "2018-07-12",
      "completion_date": "2020-12-31",
      "has_results": true,
      "last_update_posted_date": "2022-02-09",
      "last_synced_at": "2026-10-15T05:19:46.984Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03476317"
    },
    {
      "nct_id": "NCT04948489",
      "title": "IUD and Norethindrone Acetate for Treatment of Endometriosis",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Endometriosis"
      ],
      "interventions": [
        {
          "name": "norethindrone acetate (NETA)",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Boston Children's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": "24 Years",
        "sex": "FEMALE",
        "summary": "13 Years to 24 Years · Female only"
      },
      "enrollment_count": 0,
      "start_date": "2026-01-01",
      "completion_date": "2029-09-01",
      "has_results": false,
      "last_update_posted_date": "2025-03-21",
      "last_synced_at": "2026-10-15T05:19:46.984Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04948489"
    },
    {
      "nct_id": "NCT05850091",
      "title": "Polygenic Risk-based Detection of Subclinical Coronary Atherosclerosis and Intervention With Statin and Colchicine",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Coronary Artery Disease"
      ],
      "interventions": [
        {
          "name": "Rosuvastatin",
          "type": "DRUG"
        },
        {
          "name": "Colchicine",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "40 Years to 75 Years"
      },
      "enrollment_count": 200,
      "start_date": "2023-12-07",
      "completion_date": "2027-06-01",
      "has_results": false,
      "last_update_posted_date": "2026-06-12",
      "last_synced_at": "2026-10-15T05:19:46.984Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05850091"
    },
    {
      "nct_id": "NCT02590874",
      "title": "The Use of Duloxetine for Cognition Improvement in Individuals With Mild Cognitive Impairment",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Mild Cognitive Impairment",
        "Depression"
      ],
      "interventions": [
        {
          "name": "Duloxetine",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of North Texas Health Science Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 19,
      "start_date": "2016-01",
      "completion_date": "2018-10",
      "has_results": false,
      "last_update_posted_date": "2018-10-11",
      "last_synced_at": "2026-10-15T05:19:46.984Z",
      "location_count": 1,
      "location_summary": "Fort Worth, Texas",
      "locations": [
        {
          "city": "Fort Worth",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02590874"
    },
    {
      "nct_id": "NCT03863574",
      "title": "Saroglitazar Magnesium in the Treatment of Non-Alcoholic Steatohepatitis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Non Alcoholic Steatohepatitis"
      ],
      "interventions": [
        {
          "name": "Saroglitazar Magnesium 2mg",
          "type": "DRUG"
        },
        {
          "name": "Saroglitazar Magnesium 4mg",
          "type": "DRUG"
        },
        {
          "name": "Placebos",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Zydus Therapeutics 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": 16,
      "start_date": "2019-06-12",
      "completion_date": "2020-03-20",
      "has_results": true,
      "last_update_posted_date": "2024-10-15",
      "last_synced_at": "2026-10-15T05:19:46.984Z",
      "location_count": 6,
      "location_summary": "Jackson, Mississippi • Germantown, Tennessee • Hermitage, Tennessee + 2 more",
      "locations": [
        {
          "city": "Jackson",
          "state": "Mississippi"
        },
        {
          "city": "Germantown",
          "state": "Tennessee"
        },
        {
          "city": "Hermitage",
          "state": "Tennessee"
        },
        {
          "city": "San Antonio",
          "state": "Texas"
        },
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03863574"
    },
    {
      "nct_id": "NCT04065490",
      "title": "Study of Photobiomodulation to Treat Dry Age-Related Macular Degeneration (LIGHTSITE III)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Dry Age-related Macular Degeneration"
      ],
      "interventions": [
        {
          "name": "Valeda Light Delivery System",
          "type": "DEVICE"
        },
        {
          "name": "Valeda Light Delivery System Sham Mode",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "LumiThera, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 100,
      "start_date": "2019-09-23",
      "completion_date": "2024-11-01",
      "has_results": true,
      "last_update_posted_date": "2026-10-08",
      "last_synced_at": "2026-10-15T05:19:46.984Z",
      "location_count": 10,
      "location_summary": "Beverly Hills, California • Palo Alto, California • Altamonte Springs, Florida + 7 more",
      "locations": [
        {
          "city": "Beverly Hills",
          "state": "California"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "Altamonte Springs",
          "state": "Florida"
        },
        {
          "city": "Hagerstown",
          "state": "Maryland"
        },
        {
          "city": "Cherry Hill",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04065490"
    },
    {
      "nct_id": "NCT04882124",
      "title": "Study of Effect of CSJ117 on Symptoms, Pharmacodynamics and Safety in Patients With COPD",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Pulmonary Disease, Chronic Obstructive"
      ],
      "interventions": [
        {
          "name": "CSJ117",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Novartis Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "40 Years to 90 Years"
      },
      "enrollment_count": 38,
      "start_date": "2021-09-24",
      "completion_date": "2022-09-15",
      "has_results": false,
      "last_update_posted_date": "2022-11-28",
      "last_synced_at": "2026-10-15T05:19:46.984Z",
      "location_count": 7,
      "location_summary": "Andalusia, Alabama • Crowley, Louisiana • New Orleans, Louisiana + 4 more",
      "locations": [
        {
          "city": "Andalusia",
          "state": "Alabama"
        },
        {
          "city": "Crowley",
          "state": "Louisiana"
        },
        {
          "city": "New Orleans",
          "state": "Louisiana"
        },
        {
          "city": "Saint Charles",
          "state": "Missouri"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04882124"
    },
    {
      "nct_id": "NCT06902285",
      "title": "Magnesium-L-Threonate for Sleep Quality Post-Arthroplasty",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Sleep",
        "Knee Osteoarthritis"
      ],
      "interventions": [
        {
          "name": "Magnesium Threonate",
          "type": "DRUG"
        },
        {
          "name": "Control",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "University of Miami",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 64,
      "start_date": "2025-04-21",
      "completion_date": "2027-07-01",
      "has_results": false,
      "last_update_posted_date": "2026-07-09",
      "last_synced_at": "2026-10-15T05:19:46.984Z",
      "location_count": 1,
      "location_summary": "Miami, Florida",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06902285"
    }
  ]
}