{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo+Ultrasound&page=2",
    "query": {
      "intervention": "Placebo Ultrasound",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 191,
    "total_pages": 20,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo+Ultrasound&page=3&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo+Ultrasound&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-02T06:40:32.514Z",
  "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": "NCT01450007",
      "title": "Ropivacaine Block Alone or With Perineural or Systemic Dexamethasone for Pain in Shoulder Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Shoulder Injury"
      ],
      "interventions": [
        {
          "name": "Ropivacaine",
          "type": "DRUG"
        },
        {
          "name": "Dexamethasone",
          "type": "DRUG"
        },
        {
          "name": "Normal saline",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 130,
      "start_date": "2012-05",
      "completion_date": "2015-07",
      "has_results": true,
      "last_update_posted_date": "2016-06-17",
      "last_synced_at": "2026-10-02T06:40:32.514Z",
      "location_count": 1,
      "location_summary": "Phoenix, Arizona",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01450007"
    },
    {
      "nct_id": "NCT01436968",
      "title": "Phase 3 Study of ProstAtak® Immunotherapy With Standard Radiation Therapy for Localized Prostate Cancer",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "Aglatimagene besadenovec + valacyclovir",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo + valacyclovir",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Candel Therapeutics, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 711,
      "start_date": "2011-09",
      "completion_date": "2030-12",
      "has_results": false,
      "last_update_posted_date": "2025-07-30",
      "last_synced_at": "2026-10-02T06:40:32.514Z",
      "location_count": 72,
      "location_summary": "Gilbert, Arizona • Glendale, Arizona • Multiple Locations, Arizona + 56 more",
      "locations": [
        {
          "city": "Gilbert",
          "state": "Arizona"
        },
        {
          "city": "Glendale",
          "state": "Arizona"
        },
        {
          "city": "Multiple Locations",
          "state": "Arizona"
        },
        {
          "city": "Peoria",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01436968"
    },
    {
      "nct_id": "NCT00147199",
      "title": "Clinical Investigation Into Inhaled Treprostinil Sodium in Patients With Severe Pulmonary Arterial Hypertension (PAH)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Pulmonary Hypertension"
      ],
      "interventions": [
        {
          "name": "Inhaled treprostinil",
          "type": "DRUG"
        },
        {
          "name": "Placebo inhalation solution",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "United Therapeutics",
      "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": 235,
      "start_date": "2005-06",
      "completion_date": "2007-10",
      "has_results": true,
      "last_update_posted_date": "2024-01-02",
      "last_synced_at": "2026-10-02T06:40:32.514Z",
      "location_count": 15,
      "location_summary": "Birmingham, Alabama • Tucson, Arizona • La Jolla, California + 12 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Torrance",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00147199"
    },
    {
      "nct_id": "NCT01690663",
      "title": "Dose Response Study of Dexamethasone in Combination With Bupivacaine 0.25%",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Post Surgical Pain"
      ],
      "interventions": [
        {
          "name": "Bupivacaine 0.25%",
          "type": "DRUG"
        },
        {
          "name": "Dexamethasone",
          "type": "DRUG"
        },
        {
          "name": "normal saline",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 89,
      "start_date": "2012-09",
      "completion_date": "2015-02",
      "has_results": true,
      "last_update_posted_date": "2017-05-04",
      "last_synced_at": "2026-10-02T06:40:32.514Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01690663"
    },
    {
      "nct_id": "NCT02712151",
      "title": "Efficacy of Transversus Abdominis Plane Block for Laparoscopic Cholecystectomy",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Pain, Postoperative"
      ],
      "interventions": [
        {
          "name": "Abdominal Wall Block",
          "type": "PROCEDURE"
        },
        {
          "name": "Surgical infiltration",
          "type": "PROCEDURE"
        },
        {
          "name": "Sterile saline",
          "type": "DRUG"
        },
        {
          "name": "Ropivacaine 0.2%",
          "type": "DRUG"
        },
        {
          "name": "Ultrasound",
          "type": "DEVICE"
        },
        {
          "name": "Ropivacaine 0.5%",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "Boston Children's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "5 Years to 17 Years"
      },
      "enrollment_count": 0,
      "start_date": "2024-03-01",
      "completion_date": "2026-12",
      "has_results": false,
      "last_update_posted_date": "2024-07-08",
      "last_synced_at": "2026-10-02T06:40:32.514Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02712151"
    },
    {
      "nct_id": "NCT01615718",
      "title": "Non-invasive Neurostimulation in Parkinson's Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Parkinson's Disease"
      ],
      "interventions": [
        {
          "name": "low-intensity transcranial electrical stimulation",
          "type": "PROCEDURE"
        },
        {
          "name": "transcranial ultrasound",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Spaulding Rehabilitation Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 48,
      "start_date": "2013-09",
      "completion_date": "2019-04",
      "has_results": false,
      "last_update_posted_date": "2021-01-27",
      "last_synced_at": "2026-10-02T06:40:32.514Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01615718"
    },
    {
      "nct_id": "NCT06574152",
      "title": "Effect of Photobiomodulation on Pain and Healing of the Vertical Releasing Incision After Endodontic Microsurgery",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Apical Periodontitis",
        "Endodontically Treated Teeth",
        "Endodontic Disease",
        "Apical Cyst",
        "Apical Granuloma",
        "Periradicular Disease",
        "Previous Endodontic Treatment"
      ],
      "interventions": [
        {
          "name": "PBM treatment",
          "type": "DEVICE"
        },
        {
          "name": "PBM sham treatment",
          "type": "DEVICE"
        },
        {
          "name": "EMS",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "The University of Texas Health Science Center, Houston",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 90,
      "start_date": "2024-08-20",
      "completion_date": "2028-05-04",
      "has_results": false,
      "last_update_posted_date": "2026-08-17",
      "last_synced_at": "2026-10-02T06:40:32.514Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06574152"
    },
    {
      "nct_id": "NCT05029726",
      "title": "Regional Anesthesia in Minimally Invasive Lumbar Spine Surgery",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Lumbar Spinal Stenosis",
        "Lumbar Disc Herniation",
        "Lumbar Spondylolisthesis",
        "Lumbar Spondylosis",
        "Lumbar Radiculopathy",
        "Lumbar Spine Instability",
        "Synovial Cyst",
        "Degenerative Disc Disease",
        "Degenerative Spondylolisthesis",
        "Degenerative Intervertebral Discs"
      ],
      "interventions": [
        {
          "name": "Bupivacaine-Epinephrine 0.25%-1:200,000 Injectable Solution plus clonidine",
          "type": "DRUG"
        },
        {
          "name": "normal saline",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "John O'Toole",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 125,
      "start_date": "2022-02-01",
      "completion_date": "2027-04-30",
      "has_results": false,
      "last_update_posted_date": "2026-02-17",
      "last_synced_at": "2026-10-02T06:40:32.514Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05029726"
    },
    {
      "nct_id": "NCT04218084",
      "title": "Study to Evaluate the Effect of GBT440 on TCD in Pediatrics With Sickle Cell Disease",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Sickle Cell Disease"
      ],
      "interventions": [
        {
          "name": "Voxelotor",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "14 Years",
        "sex": "ALL",
        "summary": "2 Years to 14 Years"
      },
      "enrollment_count": 236,
      "start_date": "2020-11-11",
      "completion_date": "2024-11-06",
      "has_results": true,
      "last_update_posted_date": "2026-03-10",
      "last_synced_at": "2026-10-02T06:40:32.514Z",
      "location_count": 13,
      "location_summary": "Washington D.C., District of Columbia • Miami, Florida • Atlanta, Georgia + 5 more",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04218084"
    },
    {
      "nct_id": "NCT02892500",
      "title": "Investigation of Corticosteroid Versus Placebo Injection in Patients With Syndesmotic Ligament Injury or High Ankle Sprain",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Ankle Injuries"
      ],
      "interventions": [
        {
          "name": "bupivacaine hydrochloride and betamethasone sodium phosphate",
          "type": "DRUG"
        },
        {
          "name": "bupivacaine hydrochloride",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Sanford Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "16 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "16 Years and older"
      },
      "enrollment_count": 1,
      "start_date": "2016-04",
      "completion_date": "2016-09-21",
      "has_results": true,
      "last_update_posted_date": "2024-02-13",
      "last_synced_at": "2026-10-02T06:40:32.514Z",
      "location_count": 1,
      "location_summary": "Fargo, North Dakota",
      "locations": [
        {
          "city": "Fargo",
          "state": "North Dakota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02892500"
    }
  ]
}