{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Actonel+%28Risedronate%29",
    "query": {
      "intervention": "Actonel (Risedronate)"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 54,
    "total_pages": 6,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Actonel+%28Risedronate%29&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-26T01:35:43.066Z",
  "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": "NCT00619957",
      "title": "Efficacy and Safety of Risedronate Therapy Administered 35 mg Once A Week in Men With Osteoporosis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Other Osteoporosis"
      ],
      "interventions": [
        {
          "name": "Placebo tablet",
          "type": "DRUG"
        },
        {
          "name": "Risedronate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Warner Chilcott",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "30 Years and older · Male only"
      },
      "enrollment_count": 285,
      "start_date": "2002-06",
      "completion_date": "2007-05",
      "has_results": true,
      "last_update_posted_date": "2011-10-28",
      "last_synced_at": "2026-09-26T01:35:43.066Z",
      "location_count": 7,
      "location_summary": "Palm Desert, California • Lakewood, Colorado • Stuart, Florida + 4 more",
      "locations": [
        {
          "city": "Palm Desert",
          "state": "California"
        },
        {
          "city": "Lakewood",
          "state": "Colorado"
        },
        {
          "city": "Stuart",
          "state": "Florida"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00619957"
    },
    {
      "nct_id": "NCT00887354",
      "title": "A Study That Will Compare the Effect of Two Drugs on Participants With Low Bone Mass and a Recent Hip Fracture",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Osteoporosis"
      ],
      "interventions": [
        {
          "name": "Teriparatide",
          "type": "DRUG"
        },
        {
          "name": "Risedronate",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Calcium",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Vitamin D",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Eli Lilly and Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 224,
      "start_date": "2009-04",
      "completion_date": "2015-08",
      "has_results": true,
      "last_update_posted_date": "2019-09-25",
      "last_synced_at": "2026-09-26T01:35:43.066Z",
      "location_count": 6,
      "location_summary": "Fort Lauderdale, Florida • New Port Richey, Florida • Orlando, Florida + 3 more",
      "locations": [
        {
          "city": "Fort Lauderdale",
          "state": "Florida"
        },
        {
          "city": "New Port Richey",
          "state": "Florida"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00887354"
    },
    {
      "nct_id": "NCT01875458",
      "title": "Biomarker Identification in Orthopaedic & Oral Maxillofacial Surgery Subjects to Identify Risks of Bisphosphonate Use",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Osteoporosis, With or Without Treatment",
        "Bisphosphonate Treatment",
        "Atypical Femur Fracture",
        "Bisphosphonate Related Osteonecrosis of the Jaws (BRONJ)",
        "Healthy Volunteers"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 314,
      "start_date": "2012-04-13",
      "completion_date": "2022-10-30",
      "has_results": false,
      "last_update_posted_date": "2023-01-13",
      "last_synced_at": "2026-09-26T01:35:43.066Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01875458"
    },
    {
      "nct_id": "NCT00130403",
      "title": "OPTAMISE: Clinical Effectiveness of Teriparatide After Alendronate or Risedronate Therapy in Osteoporotic Postmenopausal Women",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Osteoporosis, Postmenopausal"
      ],
      "interventions": [
        {
          "name": "risedronate sodium",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Sanofi",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": "85 Years",
        "sex": "FEMALE",
        "summary": "55 Years to 85 Years · Female only"
      },
      "enrollment_count": 290,
      "start_date": "2004-03",
      "completion_date": "2007-03",
      "has_results": false,
      "last_update_posted_date": "2011-01-11",
      "last_synced_at": "2026-09-26T01:35:43.066Z",
      "location_count": 1,
      "location_summary": "Bridgewater, New Jersey",
      "locations": [
        {
          "city": "Bridgewater",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00130403"
    },
    {
      "nct_id": "NCT04922333",
      "title": "Bisphosphonate Use to Mitigate Bone Loss Secondary to Bariatric Surgery",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Bone Loss"
      ],
      "interventions": [
        {
          "name": "Risedronate",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Wake Forest University Health Sciences",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "30 Years and older"
      },
      "enrollment_count": 200,
      "start_date": "2023-03-28",
      "completion_date": "2028-04-30",
      "has_results": false,
      "last_update_posted_date": "2026-02-19",
      "last_synced_at": "2026-09-26T01:35:43.066Z",
      "location_count": 1,
      "location_summary": "Winston-Salem, North Carolina",
      "locations": [
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04922333"
    },
    {
      "nct_id": "NCT00343252",
      "title": "Effect of Teriparatide Compared to Risedronate on Back Pain in Women With a Spine Fracture Caused by Osteoporosis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Osteoporosis, Postmenopausal",
        "Back Pain",
        "Spinal Fracture"
      ],
      "interventions": [
        {
          "name": "teriparatide",
          "type": "DRUG"
        },
        {
          "name": "risedronate",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Eli Lilly and Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "45 Years and older · Female only"
      },
      "enrollment_count": 712,
      "start_date": "2006-06",
      "completion_date": "2010-06",
      "has_results": true,
      "last_update_posted_date": "2011-05-26",
      "last_synced_at": "2026-09-26T01:35:43.066Z",
      "location_count": 20,
      "location_summary": "Birmingham, Alabama • Montgomery, Alabama • Peoria, Arizona + 17 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Montgomery",
          "state": "Alabama"
        },
        {
          "city": "Peoria",
          "state": "Arizona"
        },
        {
          "city": "Laguna Hills",
          "state": "California"
        },
        {
          "city": "Oakland",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00343252"
    },
    {
      "nct_id": "NCT00452439",
      "title": "A Study of Actonel for the Prevention of Bone Loss",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Leukemia",
        "Lymphoma"
      ],
      "interventions": [
        {
          "name": "Actonel (Risedronate)",
          "type": "DRUG"
        },
        {
          "name": "Calcium",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Vitamin D",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 72,
      "start_date": "2004-02",
      "completion_date": "2014-08",
      "has_results": true,
      "last_update_posted_date": "2020-12-28",
      "last_synced_at": "2026-09-26T01:35:43.066Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00452439"
    },
    {
      "nct_id": "NCT00577850",
      "title": "Pharmacokinetics of a Single 14C-labeled Dose of Risedronate or Alendronate Followed by Once-a-week Unlabeled Oral Dose",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Osteopenia",
        "Osteoporosis"
      ],
      "interventions": [
        {
          "name": "risedronate",
          "type": "DRUG"
        },
        {
          "name": "alendronate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Warner Chilcott",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "75 Years",
        "sex": "FEMALE",
        "summary": "40 Years to 75 Years · Female only"
      },
      "enrollment_count": 32,
      "start_date": "2002-11",
      "completion_date": "2004-02",
      "has_results": false,
      "last_update_posted_date": "2013-04-17",
      "last_synced_at": "2026-09-26T01:35:43.066Z",
      "location_count": 2,
      "location_summary": "Gainesville, Florida • New Orleans, Louisiana",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "New Orleans",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00577850"
    },
    {
      "nct_id": "NCT00837746",
      "title": "Analysis of Iliac Crest Biopsies From Patients Receiving Risedronate",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Osteoporosis"
      ],
      "interventions": [
        {
          "name": "risedronate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Warner Chilcott",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "Female only"
      },
      "enrollment_count": 29,
      "start_date": "2003-04",
      "completion_date": "2006-10",
      "has_results": false,
      "last_update_posted_date": "2013-06-05",
      "last_synced_at": "2026-09-26T01:35:43.066Z",
      "location_count": 7,
      "location_summary": "Palm Desert, California • Lakewood, Colorado • Decatur, Georgia + 4 more",
      "locations": [
        {
          "city": "Palm Desert",
          "state": "California"
        },
        {
          "city": "Lakewood",
          "state": "Colorado"
        },
        {
          "city": "Decatur",
          "state": "Georgia"
        },
        {
          "city": "Gainesville",
          "state": "Georgia"
        },
        {
          "city": "Omaha",
          "state": "Nebraska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00837746"
    },
    {
      "nct_id": "NCT00616694",
      "title": "Impact of Vertebral Fracture Knowledge on Persistence in Subjects Taking Glucocorticoid Therapy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Osteoporosis"
      ],
      "interventions": [
        {
          "name": "Actonel",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Sanofi",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "30 Years to 85 Years"
      },
      "enrollment_count": 248,
      "start_date": "2002-07",
      "completion_date": "2004-12",
      "has_results": false,
      "last_update_posted_date": "2008-02-21",
      "last_synced_at": "2026-09-26T01:35:43.066Z",
      "location_count": 1,
      "location_summary": "Bridgewater, New Jersey",
      "locations": [
        {
          "city": "Bridgewater",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00616694"
    }
  ]
}