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Showing 1–24 of 102 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Atropine Clear all
Completed Phase 3 Interventional Accepts healthy volunteers

The Effects of Low Concentration Atropine on Pupil Size and Accommodation

NCT02870478
View directory record Official record
Conditions
Myopia
Interventions
Atropine
Drug
Lead sponsor
University of California, Berkeley
Other
Eligibility
18 Years to 35 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
1
States / cities
Berkeley, California
Source: ClinicalTrials.gov public record
Updated Nov 3, 2020 · Synced Sep 1, 2026, 7:52 PM EDT
Recruiting Early Phase 1 Interventional Accepts healthy volunteers

Role of Neural and Hormonal Regulation Factors on Insulin Secretion After Gastric Bypass Surgery

NCT00992901
View directory record Official record
Conditions
Post Bariatricsurgery, Hypoglycemia
Interventions
Exendin-(9-39), Atropine, GLP-1 and GIP
Drug
Lead sponsor
The University of Texas Health Science Center at San Antonio
Other
Eligibility
18 Years to 65 Years
Enrollment
160 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2027
U.S. locations
2
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Sep 8, 2025 · Synced Sep 1, 2026, 7:52 PM EDT
Completed Phase 4 Interventional

Trial Comparing Treatment With Tiotropium Inhalation Capsules to Combivent® Inhalation Aerosol in COPD Patients.

NCT00388882
View directory record Official record
Conditions
Pulmonary Disease, Chronic Obstructive
Interventions
tiotropium, ipratropium bromide / albuterol
Drug
Lead sponsor
Boehringer Ingelheim
Industry
Eligibility
40 Years and older
Enrollment
327 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2006
U.S. locations
10
States / cities
Phoenix, Arizona • Lakewood, California • Sepulveda, California + 7 more
Source: ClinicalTrials.gov public record
Updated Nov 30, 2023 · Synced Sep 1, 2026, 7:52 PM EDT
Completed Not applicable Interventional Results available

Efficacy of Open Label Placebo in Children With FGIDs

NCT02389998
View directory record Official record
Conditions
Functional Abdominal Pain, Functional Dyspepsia, Irritable Bowel Syndrome, Functional Gastrointestinal Disorders
Interventions
Placebo Suspension, Hyoscyamine
Other · Drug
Lead sponsor
Boston Children's Hospital
Other
Eligibility
8 Years to 21 Years
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2019
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 22, 2021 · Synced Sep 1, 2026, 7:52 PM EDT
Completed Phase 3 Interventional Results available

Respimat® Combivent Trial in Chronic Obstructive Pulmonary Disease (COPD)

NCT00400153
View directory record Official record
Conditions
Pulmonary Disease, Chronic Obstructive
Interventions
Atrovent Respimat (20 mcg), COMBIVENT MDI (36/206 mcg), Combivent Respimat (20 mcg/100 mcg), Placebo via corresponding inhaler for blinding purposes
Drug
Lead sponsor
Boehringer Ingelheim
Industry
Eligibility
40 Years and older
Enrollment
1,480 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2006
U.S. locations
87
States / cities
Birmingham, Alabama • Jasper, Alabama • Mobile, Alabama + 74 more
Source: ClinicalTrials.gov public record
Updated Jun 12, 2014 · Synced Sep 1, 2026, 7:52 PM EDT
Completed Phase 3 Interventional

A Crossover Study in the Treatment of Patients With COPD

NCT00462540
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease
Interventions
Formoterol Fumurate inhalation solution 20 mcg, Ipratropium bromide 18 mcg and albuterol sulfate 103 mcg
Drug
Lead sponsor
Dey
Industry
Eligibility
40 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007
U.S. locations
15
States / cities
San Diego, California • Denver, Colorado • Wheat Ridge, Colorado + 12 more
Source: ClinicalTrials.gov public record
Updated Mar 3, 2009 · Synced Sep 1, 2026, 7:52 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

The Influence of Atropine on Choroidal Thickness

NCT03158142
View directory record Official record
Conditions
Myopia
Interventions
Atropine Sulfate 1% Oph Soln
Drug
Lead sponsor
State University of New York College of Optometry
Other
Eligibility
18 Years to 40 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Oct 14, 2018 · Synced Sep 1, 2026, 7:52 PM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

NMBA Reversal and Postoperative Urinary Retention

NCT06948409
View directory record Official record
Conditions
Neuromuscular Blocking Agents, Urinary Retention After Procedure, Urinary Retention Postoperative, Neuromuscular Blockade Reversal Agent, Neuromuscular Blockade, Costs, Atropine, Sugammadex, Glycopyrrolate, Neostigmine, Anesthesia
Interventions
Choice of reversal agent (sugammadex or neostigmine [with muscaranic antagonist])
Drug
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years and older
Enrollment
70,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 22, 2026 · Synced Sep 1, 2026, 7:52 PM EDT
Completed Phase 4 Interventional Results available

Olfactory Deficits in MCI as Predictor of Improved Cognition on Donepezil

NCT01845636
View directory record Official record
Conditions
Mild Cognitive Impairment
Interventions
Donepezil, Atropine
Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
55 Years to 95 Years
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 8, 2018 · Synced Sep 1, 2026, 7:52 PM EDT
Not yet recruiting Phase 2 Interventional

Evaluation of Echothiophate in Pediatric Patients With Refractory Amblyopia

NCT07554131
View directory record Official record
Conditions
Refractory Amblyopia
Interventions
Echothiophate Iodide 0.125% Ophthalmic Solution
Drug
Lead sponsor
University of Oklahoma
Other
Eligibility
3 Years to 17 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Apr 27, 2026 · Synced Sep 1, 2026, 7:52 PM EDT
Completed Phase 4 Interventional Results available

Efficacy, Safety, and Pharmacokinetics of Sugammadex for Reversal of Neuromuscular Blockade (NMB) in Pediatric Participants (MK-8616-089)

NCT03351608
View directory record Official record
Conditions
Neuromuscular Blockade
Interventions
Sugammadex 2 mg/kg, Sugammadex 4 mg/kg, Neostigmine + Glycopyrrolate, Neostigmine + Atropine
Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
2 Years to 16 Years
Enrollment
288 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
11
States / cities
Los Angeles, California • Palo Alto, California • San Diego, California + 8 more
Source: ClinicalTrials.gov public record
Updated Feb 4, 2021 · Synced Sep 1, 2026, 7:52 PM EDT
Active, not recruiting Phase 2 Interventional

A Study of SHJ002 Sterile Ophthalmic Solution for Myopia Control

NCT06579287
View directory record Official record
Conditions
Myopia, Progressive
Interventions
SHJ002, Atropine
Drug
Lead sponsor
Sunhawk Vision Biotech, Inc.
Industry
Eligibility
3 Years to 12 Years
Enrollment
140 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Hillsboro, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 22, 2026 · Synced Sep 1, 2026, 7:52 PM EDT
Completed Phase 4 Interventional Results available

Randomized Controlled Trial of Surfactant Delivery Via Laryngeal Mask Airway (LMA) Versus Endotracheal Intubation

NCT01042600
View directory record Official record
Conditions
Respiratory Distress Syndrome, Newborn
Interventions
Endotracheal tube insertion, Laryngeal mask airway insertion
Device
Lead sponsor
Albany Medical College
Other
Eligibility
4 Hours to 48 Hours
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
Albany, New York
Source: ClinicalTrials.gov public record
Updated Jul 25, 2019 · Synced Sep 1, 2026, 7:52 PM EDT
Completed Phase 1 Interventional

The Pathophysiology of Orthostatic Hypotension

NCT00748059
View directory record Official record
Conditions
Autonomic Nervous System Diseases, Orthostatic Hypotension, Dopamine Beta-Hydroxylase Deficiency, Orthostatic Intolerance
Interventions
Standing or upright tilt, Microneurography, QSweat, neck cuff stimulation, phenylephrine,isoproterenol,nitroprusside,propranolol,edrophonium,atropine,tyramine, clonidine,yohimbine,metoclopramide,alpha-methyldopa, BodPod, Eye exam, Sleep study, Pain response testing, Metabolic chamber, Brain function studies, Bicycle Exercise Test
Procedure · Device · Drug
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
12 Years to 70 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1996 – 2020
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated May 11, 2021 · Synced Sep 1, 2026, 7:52 PM EDT
Completed Phase 4 Interventional Results available

A Trial Comparing Treatment With Tiotropium Inhalation Capsules to Combivent Inhalation Aerosol in COPD Patients.

NCT00359788
View directory record Official record
Conditions
Pulmonary Disease, Chronic Obstructive
Interventions
tiotropium, Combivent (Ipratropium/Albuterol)
Drug
Lead sponsor
Boehringer Ingelheim
Industry
Eligibility
40 Years and older
Enrollment
349 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2006
U.S. locations
31
States / cities
Birmingham, Alabama • Phoenix, Arizona • Tucson, Arizona + 27 more
Source: ClinicalTrials.gov public record
Updated May 15, 2014 · Synced Sep 1, 2026, 7:52 PM EDT
Completed Phase 3 Interventional Results available

Augmenting Atropine Treatment for Amblyopia in Children 3 to < 8 Years Old

NCT00944710
View directory record Official record
Conditions
Amblyopia
Interventions
Atropine, Plano lens
Drug · Device
Lead sponsor
Jaeb Center for Health Research
Other
Eligibility
3 Years to 7 Years
Enrollment
73 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
2
States / cities
Fullerton, California • Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 5, 2019 · Synced Sep 1, 2026, 7:52 PM EDT
Terminated Phase 3 Interventional

Microdosed Atropine 0.1% and 0.01% Ophthalmic Solutions for Reduction of Pediatric Myopia Progression

NCT03942419
View directory record Official record
Conditions
Myopia
Interventions
Atropine 0.1% Ophthalmic Solution, Atropine 0.01% Ophthalmic Solution, Placebo Ophthalmic Solution
Drug
Lead sponsor
Eyenovia Inc.
Industry
Eligibility
3 Years to 12 Years
Enrollment
438 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
18
States / cities
Birmingham, Alabama • Glendale, Arizona • Azusa, California + 15 more
Source: ClinicalTrials.gov public record
Updated Jan 5, 2025 · Synced Sep 1, 2026, 7:52 PM EDT
Completed Phase 4 Interventional

Symbicort in Airway Predominant Chronic Obstructive Pulmonary Disease (COPD)

NCT01253473
View directory record Official record
Conditions
Pulmonary Disease, Chronic Obstructive
Interventions
Budesonide, budesonide/formoterol, Ipratropium/albuterol
Drug
Lead sponsor
National Jewish Health
Other
Eligibility
45 Years to 80 Years
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
7
States / cities
Birmingham, Alabama • Torrance, California • Denver, Colorado + 4 more
Source: ClinicalTrials.gov public record
Updated Jan 18, 2021 · Synced Sep 1, 2026, 7:52 PM EDT
Completed Phase 4 Interventional Results available

Heart Rate Response to Atropine Doses Less Than 0.1mg IV to Anesthetized Infants

NCT01819064
View directory record Official record
Conditions
Bradycardia, Arrhythmias
Interventions
Atropine
Drug
Lead sponsor
State University of New York at Buffalo
Other
Eligibility
1 Day to 2 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Apr 5, 2023 · Synced Sep 1, 2026, 7:52 PM EDT
Completed Not applicable Interventional Results available

Atropine in Catecholaminergic Polymorphic Ventricular Tachycardia (CPVT)

NCT02927223
View directory record Official record
Conditions
Catecholaminergic Polymorphic Ventricular Tachycardia
Interventions
Atropine, Exercise treadmill test
Drug · Procedure
Lead sponsor
Vanderbilt University
Other
Eligibility
6 Years and older
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jan 27, 2020 · Synced Sep 1, 2026, 7:52 PM EDT
Withdrawn Early Phase 1 Interventional Accepts healthy volunteers

Role of Acetylcholine in Blood Flow Regulation in Healthy Adults: Effects of Age and Exercise Training

NCT03972683
View directory record Official record
Conditions
Vasoconstriction, Vasodilation
Interventions
Handgrip Exercise Training, Acetylcholine, Adenosine Triphosphate, Atropine, Phenylephrine, Sodium Nitroprusside
Other · Drug
Lead sponsor
Colorado State University
Other
Eligibility
18 Years to 85 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Fort Collins, Colorado
Source: ClinicalTrials.gov public record
Updated Aug 1, 2021 · Synced Sep 1, 2026, 7:52 PM EDT
Completed Not applicable Interventional Results available

Decision Support for Intraoperative Low Blood Pressure

NCT02726620
View directory record Official record
Conditions
Hypotension
Interventions
Attending real-time decision support, In-room real-time decision support, Attending feedback emails, In-room provider feedback emails, Anesthesia Information Management System (AIMS), Perioperative Data Warehouse (PDW), General anesthesia, Pager system, Central neuraxial anesthesia, Non-cardiac surgery, Propofol, Sevoflurane, Desflurane, Isoflurane, Ephedrine, Phenylephrine, Norepinephrine, Epinephrine, Dobutamine, Dopamine, Isoproterenol, Milrinone, Atropine, Glycopyrrolate, Vasopressin, Terlipressin, Sodium Chloride 0.9%, Ringer's lactate, Hydroxyethyl starch solutions, Fresh Frozen Plasma, Packed Red Blood Cells, Albumin solutions, Plasma-Lyte, Lidocaine, Bupivacaine, Levobupivacaine, Ropivacaine, Mepivacaine, Tetracaine, Prilocaine, Procaine, Chloroprocaine, Benzocaine, Articaine
Procedure · Device · Drug
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
60 Years to 100 Years
Enrollment
22,435 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated May 15, 2019 · Synced Sep 1, 2026, 7:52 PM EDT
Completed Phase 4 Interventional Results available

Dexmedetomidine and Propofol in Children With History of Obstructive Sleep Apnea

NCT01344759
View directory record Official record
Conditions
Sleep Apnea, Obstructive
Interventions
Dexmedetomidine, Propofol
Drug
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
12 Months to 25 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Aug 7, 2018 · Synced Sep 1, 2026, 7:52 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Pathophysiology of Orthostatic Intolerance

NCT00608725
View directory record Official record
Conditions
Tachycardia, Postural Orthostatic Tachycardia Syndrome
Interventions
DAXOR, QSweat, Intrinsic Heart Rate
Radiation · Procedure · Drug
Lead sponsor
Satish R. Raj
Other
Eligibility
18 Years to 80 Years
Enrollment
260 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1996 – 2029
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Oct 7, 2025 · Synced Sep 1, 2026, 7:52 PM EDT