{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Ankylosing+Spondyloarthritis&page=2",
    "query": {
      "condition": "Ankylosing Spondyloarthritis",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Ankylosing+Spondyloarthritis&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-05-22T07:58:56.088Z",
  "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": "NCT01302730",
      "title": "Ankylosing Spondylitis and Spondyloarthritis Evaluation Tool Study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Ankylosing Spondylitis",
        "Spondylarthritis"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 490,
      "start_date": "2011-04",
      "completion_date": "2013-11",
      "has_results": false,
      "last_update_posted_date": "2013-11-08",
      "last_synced_at": "2026-05-22T07:58:56.088Z",
      "location_count": 1,
      "location_summary": "Stanford, California",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01302730"
    },
    {
      "nct_id": "NCT03259074",
      "title": "Effect of Secukinumab on Radiographic Progression in Ankylosing Spondylitis as Compared to GP2017 (Adalimumab Biosimilar)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Ankylosing Spondylitis"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "BIOLOGICAL"
        },
        {
          "name": "GP2017 (adalimumab biosimilar)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "AIN457 150 mg",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Novartis Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 859,
      "start_date": "2017-11-30",
      "completion_date": "2021-11-29",
      "has_results": true,
      "last_update_posted_date": "2023-08-21",
      "last_synced_at": "2026-05-22T07:58:56.088Z",
      "location_count": 19,
      "location_summary": "Mesa, Arizona • Escondido, California • La Mesa, California + 16 more",
      "locations": [
        {
          "city": "Mesa",
          "state": "Arizona"
        },
        {
          "city": "Escondido",
          "state": "California"
        },
        {
          "city": "La Mesa",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03259074"
    },
    {
      "nct_id": "NCT02696798",
      "title": "A Study of Ixekizumab (LY2439821) in TNF Inhibitor Experienced Participants With Radiographic Axial Spondyloarthritis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Spondyloarthritis"
      ],
      "interventions": [
        {
          "name": "Ixekizumab",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Eli Lilly and Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 316,
      "start_date": "2016-04-12",
      "completion_date": "2019-05-03",
      "has_results": true,
      "last_update_posted_date": "2020-06-17",
      "last_synced_at": "2026-05-22T07:58:56.088Z",
      "location_count": 27,
      "location_summary": "Phoenix, Arizona • Escondido, California • Huntington Beach, California + 24 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Escondido",
          "state": "California"
        },
        {
          "city": "Huntington Beach",
          "state": "California"
        },
        {
          "city": "Palm Desert",
          "state": "California"
        },
        {
          "city": "Colorado Springs",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02696798"
    },
    {
      "nct_id": "NCT03350815",
      "title": "Study Estimating the Clinical Difference Between 300 mg and 150 mg of Secukinumab Following Dose Escalation to 300 mg in Patients With Ankylosing Spondylitis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Ankylosing Spondylitis"
      ],
      "interventions": [
        {
          "name": "150 mg open-label secukinumab",
          "type": "DRUG"
        },
        {
          "name": "150 mg double-blinded secukinumab",
          "type": "DRUG"
        },
        {
          "name": "300 mg double-blinded secukinumab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Novartis Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 322,
      "start_date": "2018-03-13",
      "completion_date": "2021-05-29",
      "has_results": true,
      "last_update_posted_date": "2022-04-29",
      "last_synced_at": "2026-05-22T07:58:56.088Z",
      "location_count": 65,
      "location_summary": "Jonesboro, Arkansas • Fullerton, California • Loma Linda, California + 60 more",
      "locations": [
        {
          "city": "Jonesboro",
          "state": "Arkansas"
        },
        {
          "city": "Fullerton",
          "state": "California"
        },
        {
          "city": "Loma Linda",
          "state": "California"
        },
        {
          "city": "Palm Desert",
          "state": "California"
        },
        {
          "city": "Tustin",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03350815"
    },
    {
      "nct_id": "NCT03928743",
      "title": "A Study to Evaluate the Efficacy and Safety of Bimekizumab in Subjects With Active Ankylosing Spondylitis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Ankylosing Spondylitis"
      ],
      "interventions": [
        {
          "name": "Bimekizumab",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "UCB Biopharma SRL",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 332,
      "start_date": "2019-04-25",
      "completion_date": "2022-08-08",
      "has_results": true,
      "last_update_posted_date": "2025-12-24",
      "last_synced_at": "2026-05-22T07:58:56.088Z",
      "location_count": 14,
      "location_summary": "Mesa, Arizona • Phoenix, Arizona • Sun City, Arizona + 10 more",
      "locations": [
        {
          "city": "Mesa",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Sun City",
          "state": "Arizona"
        },
        {
          "city": "Upland",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03928743"
    },
    {
      "nct_id": "NCT03502616",
      "title": "Efficacy and Safety of Tofacitinib in Subjects With Active Ankylosing Spondylitis (AS)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Ankylosing Spondylitis"
      ],
      "interventions": [
        {
          "name": "Tofacitinib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 270,
      "start_date": "2018-06-07",
      "completion_date": "2020-08-20",
      "has_results": true,
      "last_update_posted_date": "2021-09-17",
      "last_synced_at": "2026-05-22T07:58:56.088Z",
      "location_count": 28,
      "location_summary": "Huntsville, Alabama • Gilbert, Arizona • Covina, California + 22 more",
      "locations": [
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Gilbert",
          "state": "Arizona"
        },
        {
          "city": "Covina",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03502616"
    },
    {
      "nct_id": "NCT01463189",
      "title": "Web-based Support to Manage Arthritis Pain",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Osteoarthritis",
        "Rheumatoid Arthritis",
        "Ankylosing Spondylitis",
        "Other Arthritic Conditions (e.g., Psoriatic Arthritis)"
      ],
      "interventions": [
        {
          "name": "painACTION: Arthritis",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Inflexxion, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 228,
      "start_date": "2011-09",
      "completion_date": "2012-11",
      "has_results": false,
      "last_update_posted_date": "2012-12-10",
      "last_synced_at": "2026-05-22T07:58:56.088Z",
      "location_count": 1,
      "location_summary": "Newton, Massachusetts",
      "locations": [
        {
          "city": "Newton",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01463189"
    },
    {
      "nct_id": "NCT02281747",
      "title": "Frequency and Complications of Major Orthopedic Procedures in Medicare Beneficiaries",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Rheumatoid Arthritis",
        "Ankylosing Spondylitis"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "20 Years to 100 Years"
      },
      "enrollment_count": 521292,
      "start_date": "2014-10-24",
      "completion_date": "2029-05-31",
      "has_results": false,
      "last_update_posted_date": "2026-05-01",
      "last_synced_at": "2026-05-22T07:58:56.088Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02281747"
    },
    {
      "nct_id": "NCT04436640",
      "title": "A Study to Evaluate the Long-term Safety, Tolerability and Efficacy of Bimekizumab in Subjects With Active Axial Spondyloarthritis Including Ankylosing Spondylitis and Nonradiographic Axial Spondyloarthritis",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Axial Spondyloarthritis",
        "Ankylosing Spondylitis",
        "r-axSpa",
        "Nr-axSpa"
      ],
      "interventions": [
        {
          "name": "Bimekizumab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "UCB Biopharma SRL",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 508,
      "start_date": "2020-06-16",
      "completion_date": "2026-08-07",
      "has_results": false,
      "last_update_posted_date": "2026-05-08",
      "last_synced_at": "2026-05-22T07:58:56.088Z",
      "location_count": 10,
      "location_summary": "Glendale, Arizona • Phoenix, Arizona • Upland, California + 7 more",
      "locations": [
        {
          "city": "Glendale",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Upland",
          "state": "California"
        },
        {
          "city": "Ormond Beach",
          "state": "Florida"
        },
        {
          "city": "Sarasota",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04436640"
    },
    {
      "nct_id": "NCT04169373",
      "title": "A Study to Evaluate Efficacy and Safety of Upadacitinib in Adults With Axial Spondyloarthritis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Spondyloarthritis"
      ],
      "interventions": [
        {
          "name": "Upadacitinib",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "AbbVie",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 734,
      "start_date": "2019-11-26",
      "completion_date": "2025-02-28",
      "has_results": true,
      "last_update_posted_date": "2026-02-24",
      "last_synced_at": "2026-05-22T07:58:56.088Z",
      "location_count": 41,
      "location_summary": "Flagstaff, Arizona • Phoenix, Arizona • Tucson, Arizona + 36 more",
      "locations": [
        {
          "city": "Flagstaff",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Huntington Beach",
          "state": "California"
        },
        {
          "city": "Upland",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04169373"
    }
  ]
}