{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Pre-Operative+Information&page=4",
    "query": {
      "intervention": "Pre-Operative Information",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 115,
    "total_pages": 12,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Pre-Operative+Information&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Pre-Operative+Information&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-22T10:42:22.050Z",
  "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": "NCT02330965",
      "title": "Mechanistic Studies of Phase III Trial With BAF312 in Secondary Progressive Multiple Sclerosis",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Secondary Progressive Multiple Sclerosis"
      ],
      "interventions": [
        {
          "name": "Blood Draw",
          "type": "PROCEDURE"
        },
        {
          "name": "CSF collection by lumbar puncture (Optional)",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 36,
      "start_date": "2014-12",
      "completion_date": "2017-07-12",
      "has_results": false,
      "last_update_posted_date": "2020-11-09",
      "last_synced_at": "2026-10-22T10:42:22.050Z",
      "location_count": 13,
      "location_summary": "Berkeley, California • Los Angeles, California • Sacramento, California + 10 more",
      "locations": [
        {
          "city": "Berkeley",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02330965"
    },
    {
      "nct_id": "NCT04752137",
      "title": "Intraoperative Tumor Margin Identification With ICG Dye Imaging",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Benign Neoplasm",
        "Malignant Neoplasm"
      ],
      "interventions": [
        {
          "name": "Indocyanine green",
          "type": "DRUG"
        },
        {
          "name": "SPY-PHI",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 100,
      "start_date": "2022-05-25",
      "completion_date": "2030-04-01",
      "has_results": false,
      "last_update_posted_date": "2026-04-24",
      "last_synced_at": "2026-10-22T10:42:22.050Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04752137"
    },
    {
      "nct_id": "NCT01614210",
      "title": "Preoperative Window of Endocrine Therapy Provides Information to Increase Compliance",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Newly Diagnosed Hormone Positive Clinical Stage 1 or 2 Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Tamoxifen",
          "type": "DRUG"
        },
        {
          "name": "Breast cancer surgery",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "University of Utah",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 52,
      "start_date": "2012-08",
      "completion_date": "2016-11",
      "has_results": true,
      "last_update_posted_date": "2018-08-01",
      "last_synced_at": "2026-10-22T10:42:22.050Z",
      "location_count": 1,
      "location_summary": "Salt Lake City, Utah",
      "locations": [
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01614210"
    },
    {
      "nct_id": "NCT04636710",
      "title": "Refining Local-Regional Therapy for IBC",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Breast Cancer",
        "Inflammatory Breast Cancer",
        "Sentinel Lymph Node"
      ],
      "interventions": [
        {
          "name": "Lymphoscintigraphy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Dana-Farber Cancer Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 50,
      "start_date": "2021-06-02",
      "completion_date": "2028-12-01",
      "has_results": false,
      "last_update_posted_date": "2025-12-29",
      "last_synced_at": "2026-10-22T10:42:22.050Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04636710"
    },
    {
      "nct_id": "NCT01669187",
      "title": "The Effects of Pre-operative Physical Therapy Education",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Education brochure",
          "type": "OTHER"
        },
        {
          "name": "Live education and exercise instruction",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Oakland University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2011-12",
      "completion_date": "2012-12",
      "has_results": false,
      "last_update_posted_date": "2014-04-10",
      "last_synced_at": "2026-10-22T10:42:22.050Z",
      "location_count": 2,
      "location_summary": "Saginaw, Michigan",
      "locations": [
        {
          "city": "Saginaw",
          "state": "Michigan"
        },
        {
          "city": "Saginaw",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01669187"
    },
    {
      "nct_id": "NCT05156762",
      "title": "Total Joint Arthroplasty (TJA) Weight Loss Study",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Osteoarthritis, Hip",
        "Osteoarthritis, Knee",
        "Obesity, Morbid"
      ],
      "interventions": [
        {
          "name": "Bariatric surgery",
          "type": "PROCEDURE"
        },
        {
          "name": "Medical weight loss",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Patient research surveys",
          "type": "OTHER"
        },
        {
          "name": "Total joint arthroplasty (TJA)",
          "type": "PROCEDURE"
        },
        {
          "name": "Usual standard of care",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "Boston Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 3,
      "start_date": "2022-10-03",
      "completion_date": "2025-09-07",
      "has_results": false,
      "last_update_posted_date": "2025-10-14",
      "last_synced_at": "2026-10-22T10:42:22.050Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05156762"
    },
    {
      "nct_id": "NCT07296770",
      "title": "An Artificial Intelligence Driven Approach to Optimize Patient Selection for a Transitional Pain Service",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Postsurgical Pain Management",
        "Postsurgical Pain, Chronic",
        "Opioid Use After Surgery"
      ],
      "interventions": [
        {
          "name": "TPS-Select",
          "type": "DEVICE"
        },
        {
          "name": "Pharmacologic Pain Management",
          "type": "DRUG"
        },
        {
          "name": "Interventional Pain Procedures",
          "type": "PROCEDURE"
        },
        {
          "name": "Psychological Management and Pain Education",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Physical Therapy",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "DRUG",
        "PROCEDURE",
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 474,
      "start_date": "2026-10-01",
      "completion_date": "2029-12-01",
      "has_results": false,
      "last_update_posted_date": "2026-10-09",
      "last_synced_at": "2026-10-22T10:42:22.050Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07296770"
    },
    {
      "nct_id": "NCT05412342",
      "title": "Characterizing the Association Between Preoperative Depressive Symptoms and Opioid Use/Misuse After Surgery",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Opioid Use"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 718,
      "start_date": "2019-05-10",
      "completion_date": "2024-03-03",
      "has_results": false,
      "last_update_posted_date": "2024-12-18",
      "last_synced_at": "2026-10-22T10:42:22.050Z",
      "location_count": 2,
      "location_summary": "Palo Alto, California • Stanford, California",
      "locations": [
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05412342"
    },
    {
      "nct_id": "NCT01992471",
      "title": "Multiplex Testing for Breast Cancer Susceptibility: A Pilot Study of Subject Preferences for Information and Responses After Testing",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Pre-test Assessment",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Pre test Counseling",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Blood draw",
          "type": "OTHER"
        },
        {
          "name": "Post-test counseling, and post-test assessment",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Follow-up assessments (6 and 12 months)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "Memorial Sloan Kettering 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": 197,
      "start_date": "2013-11",
      "completion_date": "2017-12-01",
      "has_results": false,
      "last_update_posted_date": "2017-12-05",
      "last_synced_at": "2026-10-22T10:42:22.050Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01992471"
    },
    {
      "nct_id": "NCT06706856",
      "title": "Quantitative Ultrasound to Assess Steatotic Liver Disease in Children",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "MASLD",
        "MASLD - Metabolic Dysfunction-Associated Steatotic Liver Disease"
      ],
      "interventions": [
        {
          "name": "MR exam",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "US exam",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Blood draw",
          "type": "OTHER"
        },
        {
          "name": "Physical measurements",
          "type": "OTHER"
        },
        {
          "name": "Questionnaires",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST",
        "OTHER"
      ],
      "sponsor": "University of California, San Diego",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "9 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "9 Years to 18 Years"
      },
      "enrollment_count": 120,
      "start_date": "2024-09-23",
      "completion_date": "2029-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-01-21",
      "last_synced_at": "2026-10-22T10:42:22.050Z",
      "location_count": 1,
      "location_summary": "La Jolla, California",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06706856"
    }
  ]
}