{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Osteoarthritis+Pain+of+the+Knee&page=2",
    "query": {
      "condition": "Osteoarthritis Pain of the Knee",
      "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=Osteoarthritis+Pain+of+the+Knee&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-07-24T14:25:20.980Z",
  "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": "NCT04814719",
      "title": "Treatment and Duration Effect of Pentosan Polysulfate Sodium (PPS) in Participants With Knee Osteoarthritis Pain",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Osteoarthritis, Knee"
      ],
      "interventions": [
        {
          "name": "Pentosan Polysulphate Sodium",
          "type": "DRUG"
        },
        {
          "name": "Placebo (Sodium Chloride Injection, 0.9%)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Paradigm Biopharmaceuticals Ltd.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 133,
      "start_date": "2023-06-24",
      "completion_date": "2024-12-24",
      "has_results": false,
      "last_update_posted_date": "2025-07-22",
      "last_synced_at": "2026-07-24T14:25:20.980Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04814719"
    },
    {
      "nct_id": "NCT01379118",
      "title": "Comparison of Clinical Outcomes and Performance of Total Knee Replacement Patients Before and After Surgery",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Degenerative Joint Disease",
        "Osteoarthritis",
        "Knee Injury, Trauma",
        "Connective Tissue Disorder",
        "Pain",
        "Loss of Function"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Loma Linda University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "40 Years to 80 Years"
      },
      "enrollment_count": 50,
      "start_date": "2012-07",
      "completion_date": "2016-04",
      "has_results": false,
      "last_update_posted_date": "2016-09-15",
      "last_synced_at": "2026-07-24T14:25:20.980Z",
      "location_count": 1,
      "location_summary": "San Bernardino, California",
      "locations": [
        {
          "city": "San Bernardino",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01379118"
    },
    {
      "nct_id": "NCT03074526",
      "title": "Protocol for the Clinical Evaluation of Lyophilized Amniotic Fluid in the Treatment of Knee Osteoarthritis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Osteoarthritis, Knee"
      ],
      "interventions": [
        {
          "name": "Amniotic Fluid",
          "type": "OTHER"
        },
        {
          "name": "Saline Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "MiMedx Group, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "30 Years and older"
      },
      "enrollment_count": 156,
      "start_date": "2017-01-23",
      "completion_date": "2018-04-25",
      "has_results": false,
      "last_update_posted_date": "2020-11-13",
      "last_synced_at": "2026-07-24T14:25:20.980Z",
      "location_count": 4,
      "location_summary": "Birmingham, Alabama • Atlanta, Georgia • Des Plaines, Illinois + 1 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Des Plaines",
          "state": "Illinois"
        },
        {
          "city": "Hinsdale",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03074526"
    },
    {
      "nct_id": "NCT03381248",
      "title": "Cooled Radiofrequency vs. Hyaluronic Acid to Manage Knee Pain",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Osteoarthritis of the Knee"
      ],
      "interventions": [
        {
          "name": "Cooled Radiofrequency",
          "type": "DEVICE"
        },
        {
          "name": "Hyaluronic Acid Injection",
          "type": "OTHER"
        },
        {
          "name": "Crossover from Hyaluronic Acid Injection to Cooled Radiofrequency",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "Avanos Medical",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 177,
      "start_date": "2017-12-07",
      "completion_date": "2020-07-20",
      "has_results": true,
      "last_update_posted_date": "2023-10-10",
      "last_synced_at": "2026-07-24T14:25:20.980Z",
      "location_count": 10,
      "location_summary": "Coeur d'Alene, Idaho • New Orleans, Louisiana • Rochester, Minnesota + 7 more",
      "locations": [
        {
          "city": "Coeur d'Alene",
          "state": "Idaho"
        },
        {
          "city": "New Orleans",
          "state": "Louisiana"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        },
        {
          "city": "Edmond",
          "state": "Oklahoma"
        },
        {
          "city": "Altoona",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03381248"
    },
    {
      "nct_id": "NCT02068599",
      "title": "A Study to Evaluate the Safety and Efficacy of Topically Applied TV-45070 (Ointment) in Participants With Primary Osteoarthritis (OA) Affecting a Single Knee",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Osteoarthritis of the Knee"
      ],
      "interventions": [
        {
          "name": "TV-45070",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Teva Branded Pharmaceutical Products R&D, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "40 Years to 85 Years"
      },
      "enrollment_count": 389,
      "start_date": "2014-04-14",
      "completion_date": "2015-05-04",
      "has_results": true,
      "last_update_posted_date": "2021-11-09",
      "last_synced_at": "2026-07-24T14:25:20.980Z",
      "location_count": 42,
      "location_summary": "Anaheim, California • Cerritos, California • El Cajon, California + 35 more",
      "locations": [
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "Cerritos",
          "state": "California"
        },
        {
          "city": "Cerritos",
          "state": "California"
        },
        {
          "city": "El Cajon",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02068599"
    },
    {
      "nct_id": "NCT02289716",
      "title": "Study of Efficacy, Safety of Fulranumab Monotherapy for OA of Hip or Knee, PAI3003",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Osteoarthritis",
        "Pain"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Fulranumab 1 mg",
          "type": "DRUG"
        },
        {
          "name": "Fulranumab 3 mg",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Janssen Research & Development, LLC",
      "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": 41,
      "start_date": "2015-07-10",
      "completion_date": "2016-10-10",
      "has_results": false,
      "last_update_posted_date": "2025-04-29",
      "last_synced_at": "2026-07-24T14:25:20.980Z",
      "location_count": 7,
      "location_summary": "El Cajon, California • Sherman Oaks, California • Miami, Florida + 4 more",
      "locations": [
        {
          "city": "El Cajon",
          "state": "California"
        },
        {
          "city": "Sherman Oaks",
          "state": "California"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Traverse City",
          "state": "Michigan"
        },
        {
          "city": "Omaha",
          "state": "Nebraska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02289716"
    },
    {
      "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": "2026-07-24T14:25:20.980Z",
      "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": "NCT02336685",
      "title": "Study of Efficacy, Safety of Fulranumab Adjunctive Use in OA of Hip or Knee, PAI3001",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Osteoarthritis",
        "Pain"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Fulranumab 1 mg",
          "type": "DRUG"
        },
        {
          "name": "Fulranumab 3 mg",
          "type": "DRUG"
        },
        {
          "name": "Opioid",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Janssen Research & Development, LLC",
      "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": 79,
      "start_date": "2015-07-07",
      "completion_date": "2016-09-16",
      "has_results": false,
      "last_update_posted_date": "2017-10-02",
      "last_synced_at": "2026-07-24T14:25:20.980Z",
      "location_count": 36,
      "location_summary": "Birmingham, Alabama • Huntsville, Alabama • Cerritos, California + 33 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Cerritos",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Stamford",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02336685"
    },
    {
      "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": "2026-07-24T14:25:20.980Z",
      "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": "NCT04682652",
      "title": "Genicular Artery Embolization Vs Observation for Symptomatic Knee Osteoarthritis",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Knee Osteoarthritis",
        "Degenerative Joint Disease of Knee"
      ],
      "interventions": [
        {
          "name": "Embozene MicroSpheres",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of California, Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "79 Years",
        "sex": "ALL",
        "summary": "40 Years to 79 Years"
      },
      "enrollment_count": 100,
      "start_date": "2023-08-01",
      "completion_date": "2027-10-01",
      "has_results": false,
      "last_update_posted_date": "2026-04-29",
      "last_synced_at": "2026-07-24T14:25:20.980Z",
      "location_count": 1,
      "location_summary": "Santa Monica, California",
      "locations": [
        {
          "city": "Santa Monica",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04682652"
    }
  ]
}