{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Primary-progressive+Multiple+Sclerosis",
    "query": {
      "condition": "Primary-progressive Multiple Sclerosis"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 57,
    "total_pages": 6,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Primary-progressive+Multiple+Sclerosis&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-07-22T20:14:30.279Z",
  "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": "NCT02506751",
      "title": "Open-label Study of Liothyronine in MS",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Multiple Sclerosis, Relapsing-Remitting",
        "Multiple Sclerosis, Secondary Progressive",
        "Multiple Sclerosis, Primary Progressive"
      ],
      "interventions": [
        {
          "name": "liothyronine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "58 Years",
        "sex": "ALL",
        "summary": "18 Years to 58 Years"
      },
      "enrollment_count": 20,
      "start_date": "2015-07",
      "completion_date": "2017-09-18",
      "has_results": false,
      "last_update_posted_date": "2018-02-12",
      "last_synced_at": "2026-07-22T20:14:30.279Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02506751"
    },
    {
      "nct_id": "NCT04458051",
      "title": "Primary Progressive Multiple Sclerosis (PPMS) Study of Bruton's Tyrosine Kinase (BTK) Inhibitor Tolebrutinib (SAR442168) (PERSEUS)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Primary Progressive Multiple Sclerosis"
      ],
      "interventions": [
        {
          "name": "Tolebrutinib",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Sanofi",
      "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": 767,
      "start_date": "2020-08-13",
      "completion_date": "2025-11-14",
      "has_results": false,
      "last_update_posted_date": "2026-01-07",
      "last_synced_at": "2026-07-22T20:14:30.279Z",
      "location_count": 45,
      "location_summary": "La Jolla, California • Los Alamitos, California • Los Angeles, California + 41 more",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Los Alamitos",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Newport Beach",
          "state": "California"
        },
        {
          "city": "Pasadena",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04458051"
    },
    {
      "nct_id": "NCT02549703",
      "title": "Mitochondrial Dysfunction and Disease Progression",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Clinically Isolated Syndrome",
        "Relapsing-Remitting Multiple Sclerosis",
        "Secondary Progressive Multiple Sclerosis",
        "Primary Progressive Multiple Sclerosis"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Icahn School of Medicine at Mount Sinai",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 47,
      "start_date": "2015-09",
      "completion_date": "2018-09-27",
      "has_results": false,
      "last_update_posted_date": "2019-02-20",
      "last_synced_at": "2026-07-22T20:14:30.279Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02549703"
    },
    {
      "nct_id": "NCT01848327",
      "title": "Caprylic Triglyceride for Treatment of Cognitive Impairments in Multiple Sclerosis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Relapsing Remitting MS",
        "Secondary Progressive MS",
        "Primary Progressive MS"
      ],
      "interventions": [
        {
          "name": "Caprylic Triglyceride",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of Miami",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "59 Years",
        "sex": "ALL",
        "summary": "18 Years to 59 Years"
      },
      "enrollment_count": 124,
      "start_date": "2013-02",
      "completion_date": "2017-12",
      "has_results": false,
      "last_update_posted_date": "2018-01-25",
      "last_synced_at": "2026-07-22T20:14:30.279Z",
      "location_count": 1,
      "location_summary": "Miami, Florida",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01848327"
    },
    {
      "nct_id": "NCT02284568",
      "title": "A Phase 2 Clinical Study in Subjects With Primary Progressive Multiple Sclerosis to Assess the Efficacy, Safety and Tolerability of Two Oral Doses of Laquinimod Either of 0.6 mg/Day or 1.5mg/Day (Experimental Drug) as Compared to Placebo",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Primary Progressive Multiple Sclerosis"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Laquinimod",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Teva Branded Pharmaceutical Products R&D, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "25 Years to 55 Years"
      },
      "enrollment_count": 374,
      "start_date": "2015-01-12",
      "completion_date": "2017-10-01",
      "has_results": true,
      "last_update_posted_date": "2022-03-10",
      "last_synced_at": "2026-07-22T20:14:30.279Z",
      "location_count": 15,
      "location_summary": "Phoenix, Arizona • Newport Beach, California • San Francisco, California + 11 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Newport Beach",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Northbrook",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02284568"
    },
    {
      "nct_id": "NCT03993171",
      "title": "31P-MRS Imaging to Assess the Effects of CNM-Au8 on Impaired Neuronal Redox State in Multiple Sclerosis.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Multiple Sclerosis"
      ],
      "interventions": [
        {
          "name": "gold nanocrystals",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Clene Nanomedicine",
      "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": 33,
      "start_date": "2019-12-19",
      "completion_date": "2025-07-31",
      "has_results": false,
      "last_update_posted_date": "2025-12-19",
      "last_synced_at": "2026-07-22T20:14:30.279Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03993171"
    },
    {
      "nct_id": "NCT06680037",
      "title": "A Study to Assess the Safety and Clinical Activity of Azer-cel in Participants With B-cell Mediated Autoimmune Disorders",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "B-cell Mediated Autoimmune Disorders"
      ],
      "interventions": [
        {
          "name": "Azercabtagene zapreleucel (azer-cel)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "TG Therapeutics, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 100,
      "start_date": "2025-05-06",
      "completion_date": "2030-01-01",
      "has_results": false,
      "last_update_posted_date": "2026-07-20",
      "last_synced_at": "2026-07-22T20:14:30.279Z",
      "location_count": 8,
      "location_summary": "La Jolla, California • Ann Arbor, Michigan • Omaha, Nebraska + 5 more",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        },
        {
          "city": "Omaha",
          "state": "Nebraska"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Rochester",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06680037"
    },
    {
      "nct_id": "NCT01194570",
      "title": "A Study of Ocrelizumab in Participants With Primary Progressive Multiple Sclerosis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Multiple Sclerosis, Primary Progressive"
      ],
      "interventions": [
        {
          "name": "Ocrelizumab",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "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": 735,
      "start_date": "2011-03-02",
      "completion_date": "2022-12-31",
      "has_results": true,
      "last_update_posted_date": "2024-01-10",
      "last_synced_at": "2026-07-22T20:14:30.279Z",
      "location_count": 37,
      "location_summary": "Phoenix, Arizona • Scottsdale, Arizona • Phoenix, Arkansas + 31 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arkansas"
        },
        {
          "city": "Berkeley",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01194570"
    },
    {
      "nct_id": "NCT03562975",
      "title": "Upper Extremity Function in Multiple Sclerosis Patients With Advanced Disability Treated With Ocrevus",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Multiple Sclerosis",
        "Pathologic Processes",
        "Demyelinating Diseases",
        "Nervous System Diseases",
        "Autoimmune Diseases",
        "Immune System Diseases",
        "Primary Progressive Multiple Sclerosis",
        "Relapsing Remitting Multiple Sclerosis"
      ],
      "interventions": [
        {
          "name": "Ocrelizumab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of South Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 18,
      "start_date": "2018-07-23",
      "completion_date": "2023-01-11",
      "has_results": true,
      "last_update_posted_date": "2024-12-10",
      "last_synced_at": "2026-07-22T20:14:30.279Z",
      "location_count": 1,
      "location_summary": "Tampa, Florida",
      "locations": [
        {
          "city": "Tampa",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03562975"
    },
    {
      "nct_id": "NCT07222956",
      "title": "A Study of Remibrutinib Using MR Imaging in Relapsing or Progressive MS",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Multiple Sclerosis (MS) - Relapsing-remitting",
        "Multiple Sclerosis (MS) Secondary Progressive",
        "Multiple Sclerosis (MS) Primary Progressive"
      ],
      "interventions": [
        {
          "name": "Remibrutinib (Open Label)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Moein Amin",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 20,
      "start_date": "2026-06-30",
      "completion_date": "2030-12-30",
      "has_results": false,
      "last_update_posted_date": "2026-05-20",
      "last_synced_at": "2026-07-22T20:14:30.279Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07222956"
    }
  ]
}