{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=RN624",
    "query": {
      "intervention": "RN624"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 11,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=RN624&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-06T15:07:45.943Z",
  "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": "NCT00863304",
      "title": "Tanezumab in Osteoarthritis of the Hip or Knee (2)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Osteoarthritis"
      ],
      "interventions": [
        {
          "name": "tanezumab 10 mg",
          "type": "BIOLOGICAL"
        },
        {
          "name": "tanezumab 5 mg",
          "type": "BIOLOGICAL"
        },
        {
          "name": "naproxen",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG",
        "OTHER"
      ],
      "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": 849,
      "start_date": "2009-06-09",
      "completion_date": "2010-08-16",
      "has_results": true,
      "last_update_posted_date": "2021-05-17",
      "last_synced_at": "2026-09-06T15:07:45.943Z",
      "location_count": 95,
      "location_summary": "Birmingham, Alabama • Huntsville, Alabama • Mobile, Alabama + 69 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Mesa",
          "state": "Arizona"
        },
        {
          "city": "Mesa",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00863304"
    },
    {
      "nct_id": "NCT00809783",
      "title": "Extension Study Of Tanezumab In Osteoarthritis",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Osteoarthritis"
      ],
      "interventions": [
        {
          "name": "tanezumab",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 2147,
      "start_date": "2009-02-06",
      "completion_date": "2011-06-23",
      "has_results": true,
      "last_update_posted_date": "2021-05-10",
      "last_synced_at": "2026-09-06T15:07:45.943Z",
      "location_count": 226,
      "location_summary": "Anniston, Alabama • Birmingham, Alabama • Huntsville, Alabama + 148 more",
      "locations": [
        {
          "city": "Anniston",
          "state": "Alabama"
        },
        {
          "city": "Anniston",
          "state": "Alabama"
        },
        {
          "city": "Anniston",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Huntsville",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00809783"
    },
    {
      "nct_id": "NCT00744471",
      "title": "Tanezumab in Osteoarthritis Of The Hip",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Arthritis",
        "Osteoarthritis",
        "Osteoarthritis, Hip"
      ],
      "interventions": [
        {
          "name": "tanezumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 627,
      "start_date": "2008-11-17",
      "completion_date": "2010-08-13",
      "has_results": true,
      "last_update_posted_date": "2021-02-26",
      "last_synced_at": "2026-09-06T15:07:45.943Z",
      "location_count": 99,
      "location_summary": "Mobile, Alabama • Paradise Valley, Arizona • Peoria, Arizona + 74 more",
      "locations": [
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Paradise Valley",
          "state": "Arizona"
        },
        {
          "city": "Peoria",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00744471"
    },
    {
      "nct_id": "NCT00809354",
      "title": "Long-Term Analgesic Efficacy And Safety Of Tanezumab Alone Or In Combination With Non-Steroidal Anti-Inflammatory Drugs (NSAIDs) Versus NSAIDs Alone In Patients With Osteoarthritis Of The Knee Or Hip",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Osteoarthritis",
        "Arthritis"
      ],
      "interventions": [
        {
          "name": "NSAID",
          "type": "DRUG"
        },
        {
          "name": "tanezumab",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BIOLOGICAL"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 2720,
      "start_date": "2009-02-12",
      "completion_date": "2011-01-12",
      "has_results": true,
      "last_update_posted_date": "2021-06-24",
      "last_synced_at": "2026-09-06T15:07:45.943Z",
      "location_count": 250,
      "location_summary": "Birmingham, Alabama • Huntsville, Alabama • Mobile, Alabama + 161 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Huntsville",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00809354"
    },
    {
      "nct_id": "NCT00399490",
      "title": "Open-label Extension Study Of RN624",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Osteoarthritis",
        "OA Knee Pain",
        "Arthritis"
      ],
      "interventions": [
        {
          "name": "RN624 (PF-04383119)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "40 Years to 75 Years"
      },
      "enrollment_count": 287,
      "start_date": "2006-09-15",
      "completion_date": "2008-02-11",
      "has_results": true,
      "last_update_posted_date": "2021-02-02",
      "last_synced_at": "2026-09-06T15:07:45.943Z",
      "location_count": 36,
      "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Anaheim, California + 24 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "Anaheim",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00399490"
    },
    {
      "nct_id": "NCT00733902",
      "title": "Tanezumab in Osteoarthritis of the Knee",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Arthritis",
        "Osteoarthritis"
      ],
      "interventions": [
        {
          "name": "tanezumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 697,
      "start_date": "2008-09-15",
      "completion_date": "2010-01-14",
      "has_results": true,
      "last_update_posted_date": "2021-03-22",
      "last_synced_at": "2026-09-06T15:07:45.943Z",
      "location_count": 82,
      "location_summary": "Phoenix, Arizona • Danbury, Connecticut • Stamford, Connecticut + 65 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Danbury",
          "state": "Connecticut"
        },
        {
          "city": "Stamford",
          "state": "Connecticut"
        },
        {
          "city": "Newark",
          "state": "Delaware"
        },
        {
          "city": "Clearwater",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00733902"
    },
    {
      "nct_id": "NCT00985621",
      "title": "Tanezumab In Osteoarthritis Of The Hip Or Knee",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Osteoarthritis"
      ],
      "interventions": [
        {
          "name": "tanezumab 10 mg",
          "type": "BIOLOGICAL"
        },
        {
          "name": "tanezumab 5 mg",
          "type": "BIOLOGICAL"
        },
        {
          "name": "oxycodone",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Pfizer",
      "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": 614,
      "start_date": "2009-10-30",
      "completion_date": "2011-02-04",
      "has_results": true,
      "last_update_posted_date": "2021-05-14",
      "last_synced_at": "2026-09-06T15:07:45.943Z",
      "location_count": 66,
      "location_summary": "Birmingham, Alabama • Mobile, Alabama • Phoenix, Arizona + 54 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Beverly Hills",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00985621"
    },
    {
      "nct_id": "NCT00830063",
      "title": "Tanezumab In Osteoarthritis Of The Knee (2)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Arthritis",
        "Osteoarthritis"
      ],
      "interventions": [
        {
          "name": "tanezumab 10 mg",
          "type": "BIOLOGICAL"
        },
        {
          "name": "tanezumab 5 mg",
          "type": "BIOLOGICAL"
        },
        {
          "name": "naproxen",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG",
        "OTHER"
      ],
      "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": 832,
      "start_date": "2009-05-05",
      "completion_date": "2010-08-31",
      "has_results": true,
      "last_update_posted_date": "2021-05-13",
      "last_synced_at": "2026-09-06T15:07:45.943Z",
      "location_count": 94,
      "location_summary": "Anniston, Alabama • Mesa, Arizona • Paradise Valley, Arizona + 72 more",
      "locations": [
        {
          "city": "Anniston",
          "state": "Alabama"
        },
        {
          "city": "Anniston",
          "state": "Alabama"
        },
        {
          "city": "Mesa",
          "state": "Arizona"
        },
        {
          "city": "Paradise Valley",
          "state": "Arizona"
        },
        {
          "city": "Peoria",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00830063"
    },
    {
      "nct_id": "NCT00568321",
      "title": "RN624 For Pain Of Post-Herpetic Neuralgia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Neuralgia, Postherpetic"
      ],
      "interventions": [
        {
          "name": "RN624",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "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": 99,
      "start_date": "2007-12-19",
      "completion_date": "2009-01-07",
      "has_results": true,
      "last_update_posted_date": "2021-05-28",
      "last_synced_at": "2026-09-06T15:07:45.943Z",
      "location_count": 31,
      "location_summary": "Anniston, Alabama • Litchfield Park, Arizona • Phoenix, Arizona + 24 more",
      "locations": [
        {
          "city": "Anniston",
          "state": "Alabama"
        },
        {
          "city": "Anniston",
          "state": "Alabama"
        },
        {
          "city": "Litchfield Park",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Atlantis",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00568321"
    },
    {
      "nct_id": "NCT00584870",
      "title": "RN624 In Adult Patients With Chronic Low Back Pain",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Low Back Pain"
      ],
      "interventions": [
        {
          "name": "Naproxen",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "PF-04383119 (RN624)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 220,
      "start_date": "2007-07-05",
      "completion_date": "2008-09-02",
      "has_results": true,
      "last_update_posted_date": "2021-07-12",
      "last_synced_at": "2026-09-06T15:07:45.943Z",
      "location_count": 38,
      "location_summary": "Anniston, Alabama • Birmingham, Alabama • Chandler, Arizona + 30 more",
      "locations": [
        {
          "city": "Anniston",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Chandler",
          "state": "Arizona"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Anaheim",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00584870"
    }
  ]
}