{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=atropine+sulfate&page=3",
    "query": {
      "intervention": "atropine sulfate",
      "page": 3
    },
    "page_size": 10
  },
  "pagination": {
    "page": 3,
    "page_size": 10,
    "total_count": 102,
    "total_pages": 11,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=atropine+sulfate&page=4&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=atropine+sulfate&page=2&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-08T18:05:18.090Z",
  "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": "NCT07674966",
      "title": "An Investigation of Topical Ophthalmic Low-Dose Atropine on Pupil Size and Accommodation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Myopia"
      ],
      "interventions": [
        {
          "name": "Atropine 0.01% Ophthalmic Solution",
          "type": "DRUG"
        },
        {
          "name": "Atropine 0.02% Ophthalmic Solution",
          "type": "DRUG"
        },
        {
          "name": "Atropine 0.05% Ophthalmic Solution",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of California, Berkeley",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "18 Years to 40 Years"
      },
      "enrollment_count": 24,
      "start_date": "2022-03-16",
      "completion_date": "2022-10-09",
      "has_results": false,
      "last_update_posted_date": "2026-06-30",
      "last_synced_at": "2026-10-08T18:05:18.090Z",
      "location_count": 1,
      "location_summary": "Berkeley, California",
      "locations": [
        {
          "city": "Berkeley",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07674966"
    },
    {
      "nct_id": "NCT04290039",
      "title": "Sublingual vs IV Atropine Bioavailability Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Toxic Effect of Organophosphate and Carbamate Insecticides"
      ],
      "interventions": [
        {
          "name": "Atropine Sulfate Ophthalmic Solution",
          "type": "DRUG"
        },
        {
          "name": "Atropine Sulphate Injection",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Biomedical Advanced Research and Development Authority",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 15,
      "start_date": "2020-01-04",
      "completion_date": "2020-02-08",
      "has_results": true,
      "last_update_posted_date": "2023-06-22",
      "last_synced_at": "2026-10-08T18:05:18.090Z",
      "location_count": 1,
      "location_summary": "High Point, North Carolina",
      "locations": [
        {
          "city": "High Point",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04290039"
    },
    {
      "nct_id": "NCT07434635",
      "title": "APPRAISE: Assessment of Pain and Posterior Synechiae Reduction With Atropine, an Investigation of Post-Surgical Eyes",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Eye Disorders"
      ],
      "interventions": [
        {
          "name": "Atropine 1%",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "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": 62,
      "start_date": "2026-03-10",
      "completion_date": "2029-02",
      "has_results": false,
      "last_update_posted_date": "2026-07-31",
      "last_synced_at": "2026-10-08T18:05:18.090Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07434635"
    },
    {
      "nct_id": "NCT00894179",
      "title": "Safety and Accuracy of Regadenoson-Atropine Stress Echocardiography in CAD",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Coronary Artery Disease"
      ],
      "interventions": [
        {
          "name": "regadenoson and atropine",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Henry Ford Health System",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 45,
      "start_date": "2009-10",
      "completion_date": "2012-04",
      "has_results": true,
      "last_update_posted_date": "2026-05-22",
      "last_synced_at": "2026-10-08T18:05:18.090Z",
      "location_count": 1,
      "location_summary": "Detroit, Michigan",
      "locations": [
        {
          "city": "Detroit",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00894179"
    },
    {
      "nct_id": "NCT00748059",
      "title": "The Pathophysiology of Orthostatic Hypotension",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Autonomic Nervous System Diseases",
        "Orthostatic Hypotension",
        "Dopamine Beta-Hydroxylase Deficiency",
        "Orthostatic Intolerance"
      ],
      "interventions": [
        {
          "name": "Standing or upright tilt",
          "type": "PROCEDURE"
        },
        {
          "name": "Microneurography",
          "type": "PROCEDURE"
        },
        {
          "name": "QSweat",
          "type": "PROCEDURE"
        },
        {
          "name": "neck cuff stimulation",
          "type": "DEVICE"
        },
        {
          "name": "phenylephrine,isoproterenol,nitroprusside,propranolol,edrophonium,atropine,tyramine",
          "type": "DRUG"
        },
        {
          "name": "clonidine,yohimbine,metoclopramide,alpha-methyldopa",
          "type": "DRUG"
        },
        {
          "name": "BodPod",
          "type": "PROCEDURE"
        },
        {
          "name": "Eye exam",
          "type": "PROCEDURE"
        },
        {
          "name": "Sleep study",
          "type": "PROCEDURE"
        },
        {
          "name": "Pain response testing",
          "type": "PROCEDURE"
        },
        {
          "name": "Metabolic chamber",
          "type": "PROCEDURE"
        },
        {
          "name": "Brain function studies",
          "type": "PROCEDURE"
        },
        {
          "name": "Bicycle Exercise Test",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DEVICE",
        "DRUG"
      ],
      "sponsor": "Vanderbilt University Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "12 Years to 70 Years"
      },
      "enrollment_count": 10,
      "start_date": "1996-12",
      "completion_date": "2020-12",
      "has_results": false,
      "last_update_posted_date": "2021-05-12",
      "last_synced_at": "2026-10-08T18:05:18.090Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00748059"
    },
    {
      "nct_id": "NCT02726620",
      "title": "Decision Support for Intraoperative Low Blood Pressure",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hypotension"
      ],
      "interventions": [
        {
          "name": "Attending real-time decision support",
          "type": "PROCEDURE"
        },
        {
          "name": "In-room real-time decision support",
          "type": "PROCEDURE"
        },
        {
          "name": "Attending feedback emails",
          "type": "PROCEDURE"
        },
        {
          "name": "In-room provider feedback emails",
          "type": "PROCEDURE"
        },
        {
          "name": "Anesthesia Information Management System (AIMS)",
          "type": "DEVICE"
        },
        {
          "name": "Perioperative Data Warehouse (PDW)",
          "type": "DEVICE"
        },
        {
          "name": "General anesthesia",
          "type": "PROCEDURE"
        },
        {
          "name": "Pager system",
          "type": "DEVICE"
        },
        {
          "name": "Central neuraxial anesthesia",
          "type": "PROCEDURE"
        },
        {
          "name": "Non-cardiac surgery",
          "type": "PROCEDURE"
        },
        {
          "name": "Propofol",
          "type": "DRUG"
        },
        {
          "name": "Sevoflurane",
          "type": "DRUG"
        },
        {
          "name": "Desflurane",
          "type": "DRUG"
        },
        {
          "name": "Isoflurane",
          "type": "DRUG"
        },
        {
          "name": "Ephedrine",
          "type": "DRUG"
        },
        {
          "name": "Phenylephrine",
          "type": "DRUG"
        },
        {
          "name": "Norepinephrine",
          "type": "DRUG"
        },
        {
          "name": "Epinephrine",
          "type": "DRUG"
        },
        {
          "name": "Dobutamine",
          "type": "DRUG"
        },
        {
          "name": "Dopamine",
          "type": "DRUG"
        },
        {
          "name": "Isoproterenol",
          "type": "DRUG"
        },
        {
          "name": "Milrinone",
          "type": "DRUG"
        },
        {
          "name": "Atropine",
          "type": "DRUG"
        },
        {
          "name": "Glycopyrrolate",
          "type": "DRUG"
        },
        {
          "name": "Vasopressin",
          "type": "DRUG"
        },
        {
          "name": "Terlipressin",
          "type": "DRUG"
        },
        {
          "name": "Sodium Chloride 0.9%",
          "type": "DRUG"
        },
        {
          "name": "Ringer's lactate",
          "type": "DRUG"
        },
        {
          "name": "Hydroxyethyl starch solutions",
          "type": "DRUG"
        },
        {
          "name": "Fresh Frozen Plasma",
          "type": "DRUG"
        },
        {
          "name": "Packed Red Blood Cells",
          "type": "DRUG"
        },
        {
          "name": "Albumin solutions",
          "type": "DRUG"
        },
        {
          "name": "Plasma-Lyte",
          "type": "DRUG"
        },
        {
          "name": "Lidocaine",
          "type": "DRUG"
        },
        {
          "name": "Bupivacaine",
          "type": "DRUG"
        },
        {
          "name": "Levobupivacaine",
          "type": "DRUG"
        },
        {
          "name": "Ropivacaine",
          "type": "DRUG"
        },
        {
          "name": "Mepivacaine",
          "type": "DRUG"
        },
        {
          "name": "Tetracaine",
          "type": "DRUG"
        },
        {
          "name": "Prilocaine",
          "type": "DRUG"
        },
        {
          "name": "Procaine",
          "type": "DRUG"
        },
        {
          "name": "Chloroprocaine",
          "type": "DRUG"
        },
        {
          "name": "Benzocaine",
          "type": "DRUG"
        },
        {
          "name": "Articaine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DEVICE",
        "DRUG"
      ],
      "sponsor": "Vanderbilt University Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "60 Years to 100 Years"
      },
      "enrollment_count": 22435,
      "start_date": "2017-01-05",
      "completion_date": "2018-12-29",
      "has_results": true,
      "last_update_posted_date": "2019-05-16",
      "last_synced_at": "2026-10-08T18:05:18.090Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02726620"
    },
    {
      "nct_id": "NCT00388882",
      "title": "Trial Comparing Treatment With Tiotropium Inhalation Capsules to Combivent® Inhalation Aerosol in COPD Patients.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Pulmonary Disease, Chronic Obstructive"
      ],
      "interventions": [
        {
          "name": "tiotropium",
          "type": "DRUG"
        },
        {
          "name": "ipratropium bromide / albuterol",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Boehringer Ingelheim",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 327,
      "start_date": "2006-10-04",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2023-12-01",
      "last_synced_at": "2026-10-08T18:05:18.090Z",
      "location_count": 10,
      "location_summary": "Phoenix, Arizona • Lakewood, California • Sepulveda, California + 7 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Lakewood",
          "state": "California"
        },
        {
          "city": "Sepulveda",
          "state": "California"
        },
        {
          "city": "Torrance",
          "state": "California"
        },
        {
          "city": "Wheat Ridge",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00388882"
    },
    {
      "nct_id": "NCT00371527",
      "title": "Effect of Ipratropium on Acute Bronchitis in Subjects Without Underlying Lung Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Bronchitis"
      ],
      "interventions": [
        {
          "name": "ipratropium",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Kaiser Permanente",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 200,
      "start_date": "2002-10",
      "completion_date": "2004-01",
      "has_results": false,
      "last_update_posted_date": "2008-10-17",
      "last_synced_at": "2026-10-08T18:05:18.090Z",
      "location_count": 1,
      "location_summary": "Sacramento, California",
      "locations": [
        {
          "city": "Sacramento",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00371527"
    },
    {
      "nct_id": "NCT01384448",
      "title": "Stress Echocardiography and Heart Computed Tomography (CT) Scan in Emergency Department Patients With Chest Pain",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Chest Pain",
        "Angina",
        "Angina Pectoris",
        "Coronary Artery Disease"
      ],
      "interventions": [
        {
          "name": "Stress Echocardiography",
          "type": "PROCEDURE"
        },
        {
          "name": "Coronary CT Angiography",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Montefiore Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "30 Years and older"
      },
      "enrollment_count": 400,
      "start_date": "2011-08",
      "completion_date": "2017-02",
      "has_results": false,
      "last_update_posted_date": "2018-10-11",
      "last_synced_at": "2026-10-08T18:05:18.090Z",
      "location_count": 1,
      "location_summary": "The Bronx, New York",
      "locations": [
        {
          "city": "The Bronx",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01384448"
    },
    {
      "nct_id": "NCT00359788",
      "title": "A Trial Comparing Treatment With Tiotropium Inhalation Capsules to Combivent Inhalation Aerosol in COPD Patients.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Pulmonary Disease, Chronic Obstructive"
      ],
      "interventions": [
        {
          "name": "tiotropium",
          "type": "DRUG"
        },
        {
          "name": "Combivent (Ipratropium/Albuterol)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Boehringer Ingelheim",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 349,
      "start_date": "2006-07",
      "completion_date": null,
      "has_results": true,
      "last_update_posted_date": "2014-05-16",
      "last_synced_at": "2026-10-08T18:05:18.090Z",
      "location_count": 31,
      "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Tucson, Arizona + 27 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00359788"
    }
  ]
}