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Showing 1–24 of 138 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Observation Unit Clear all
Not listed No phase listed Observational Accepts healthy volunteers

The Covid-19 HEalth caRe wOrkErS (HEROES) Study

NCT04352634
View directory record Official record
Conditions
Covid-19, Mental Health Disorder, Stress Disorder, Anxiety, Depression, SARS-CoV-2
Interventions
Exposure to the SARS-CoV-2 and its consequences
Other
Lead sponsor
University of Chile
Other
Eligibility
18 Years and older
Enrollment
2,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 31, 2021 · Synced Sep 5, 2026, 7:14 PM EDT
Recruiting No phase listed Observational

International obServational sTudy on AiRway manaGement in operAting Room and Non-operaTing Room anaEsthesia

NCT05759299
View directory record Official record
Conditions
Airway Complication of Anesthesia
Interventions
Advanced airway management
Procedure
Lead sponsor
University of Turin, Italy
Other
Eligibility
18 Years and older
Enrollment
10,500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
2
States / cities
Dallas, Texas • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jan 19, 2025 · Synced Sep 5, 2026, 7:14 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Sight and Hearing Investigation Into Effects on Delirium

NCT06176625
View directory record Official record
Conditions
Hearing Loss, Hearing Loss, Age-Related, Hearing Disability, Delirium, Delirium in Old Age, Delirium of Mixed Origin, Delirium With Dementia, Delirium on Emergence, Delirium, Cause Unknown, Delirium Superimposed on Dementia, Delirium Confusional State, Delirium;Non Alcoholic, Hearing Loss, Bilateral, Hearing Loss, Sensorineural, Hearing Loss, Functional, Hearing Loss, High-Frequency, Hearing
Interventions
Communication Signage, Amplifier Use
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
65 Years and older
Enrollment
1,543 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 6, 2026 · Synced Sep 5, 2026, 7:14 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

KYleena Satisfaction Study / Observational Study on User Satisfaction With the Levonorgestrel Intrauterine Delivery System Kyleena (LNG-IUS 12) in New Contraceptive Users and After Switching From Another Contraceptive Method

NCT03182140
View directory record Official record
Conditions
Contraception
Interventions
Kyleena
Drug
Lead sponsor
Bayer
Industry
Eligibility
Female only
Enrollment
1,134 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2020
U.S. locations
12
States / cities
Lakewood, Colorado • Sarasota, Florida • Wellington, Florida + 9 more
Source: ClinicalTrials.gov public record
Updated Mar 28, 2021 · Synced Sep 5, 2026, 7:14 PM EDT
Completed Phase 2 Interventional Results available

Red Blood Cell (RBC) Survival Following Transfusion in Infants

NCT00731588
View directory record Official record
Conditions
Neonatal Anemia
Interventions
Transfused Biotin RBCs - Adults Phase I, Transfused Biotin RBCs - Infants Phase II, Transfused Biotin RBCs - Infants Phase III
Biological
Lead sponsor
John A Widness
Other
Eligibility
1 Hour to 6 Months
Enrollment
140 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2018
U.S. locations
2
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Aug 12, 2021 · Synced Sep 5, 2026, 7:14 PM EDT
Completed Not applicable Interventional Results available

Very Low Birth Weight Preterm Infant Bundled Care in the NICU

NCT03370757
View directory record Official record
Conditions
Preterm Infants
Interventions
3-hour bundled care, 6-hour bundled care
Other
Lead sponsor
Duke University
Other
Eligibility
Up to 32 Weeks
Enrollment
49 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 18, 2024 · Synced Sep 5, 2026, 7:14 PM EDT
Completed Not applicable Interventional

Diabetes Electronic Prompt for Improved Care Coordination and Treatment in the ED

NCT06899191
View directory record Official record
Conditions
Type 2 Diabetes, Type 2 Diabetes Mellitus (T2DM), Hyperglycemia, Insulin Dependent Diabetes
Interventions
Hemoglobin A1c, Observation Unit
Diagnostic Test · Behavioral
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
21 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
New Brunswick, New Jersey
Source: ClinicalTrials.gov public record
Updated Apr 29, 2026 · Synced Sep 5, 2026, 7:14 PM EDT
Completed Not applicable Interventional Results available

Cost-Effectiveness Study Comparing Chlorhexidine Bathing With Active Surveillance Cultures to Prevent Methicillin-resistant Staphylococcus Aureus & Other Hospital Infections

NCT00779246
View directory record Official record
Conditions
Staphylococcal Infections
Interventions
Nasal swabs for MRSA culture, Chlorhexidine gluconate, Contact isolation
Other · Drug
Lead sponsor
Christiana Care Health Services
Other
Eligibility
18 Years and older
Enrollment
1,518 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
1
States / cities
Newark, Delaware
Source: ClinicalTrials.gov public record
Updated May 14, 2018 · Synced Sep 5, 2026, 7:14 PM EDT
Completed No phase listed Observational

Gastrointestinal Microbiome Influence on the Development of Bronchopulmonary Dysplasia

NCT03229967
View directory record Official record
Conditions
Bronchopulmonary Dysplasia
Interventions
16S rRNA stool microbiome sequencing.
Diagnostic Test
Lead sponsor
University of Tennessee
Other
Eligibility
0 Days to 7 Days
Enrollment
197 participants
Timeline
2017 – 2020
U.S. locations
2
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated May 9, 2023 · Synced Sep 5, 2026, 7:14 PM EDT
Active, not recruiting Not applicable Interventional

Perioperative Risk Study

NCT02456389
View directory record Official record
Conditions
Tumors, Primary Neoplasm, Secondary Neoplasm, Surgery
Interventions
Preoperative risk stratification, Postoperative risk stratification, Risk-based, escalating levels of care, Risk-based, escalating levels of monitoring, Risk-based, escalating levels of co-management, Standard postoperative care
Other
Lead sponsor
Fox Chase Cancer Center
Other
Eligibility
18 Years and older
Enrollment
1,456 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2025
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 3, 2025 · Synced Sep 5, 2026, 7:14 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Comparing Oxygen Saturation in Post Anesthesia Care Unit After Different Methods of Pain Relief

NCT00435383
View directory record Official record
Conditions
Cryptorchidism
Interventions
Not listed
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
1 Year to 6 Years · Male only
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2008
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Dec 13, 2015 · Synced Sep 5, 2026, 7:14 PM EDT
Enrolling by invitation No phase listed Observational Accepts healthy volunteers

A Study of Communication Between Clinicians, Patients, and Families in the Intensive Care Unit (ICU)

NCT06042621
View directory record Official record
Conditions
Acute Respiratory Failure, Mechanical Ventilation, Life-Supporting Treatments, Communication, Decision Making, Critical Care, Palliative Care
Interventions
Not listed
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
7,818 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
5
States / cities
Chicago, Illinois • Philadelphia, Pennsylvania • Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Feb 4, 2026 · Synced Sep 5, 2026, 7:14 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Nutrition and Body Composition in Acute Lymphoblastic Leukemia

NCT01317940
View directory record Official record
Conditions
Precursor Cell Lymphoblastic Leukemia-Lymphoma, Vitamin D Deficiency
Interventions
Vitamin D and Calcium Citrate
Dietary Supplement
Lead sponsor
Children's Hospital Los Angeles
Other
Eligibility
10 Years to 29 Years
Enrollment
76 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2016
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jul 7, 2020 · Synced Sep 5, 2026, 7:14 PM EDT
Completed No phase listed Observational

Risks of Bacterial and Fungal Superinfection in Patients With COVID-19

NCT05256316
View directory record Official record
Conditions
COVID-19
Interventions
Previously admitted COVID-19 patients in intensive care units
Other
Lead sponsor
The University of Queensland
Other
Eligibility
18 Years and older
Enrollment
790 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated May 21, 2023 · Synced Sep 5, 2026, 7:14 PM EDT
Completed Not applicable Interventional

Correlation Between Vitamin D Status and Bone Mineral Density in Patients With Hemophilia

NCT01090206
View directory record Official record
Conditions
Hemophilia A, Hemophilia B, Vitamin D Deficiency
Interventions
Vitamin D and calcium
Dietary Supplement
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
2 Years to 21 Years · Male only
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2015
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Apr 28, 2016 · Synced Sep 5, 2026, 7:14 PM EDT
Completed Not applicable Interventional

An Algorithmic Approach to Ventilator Withdrawal at the End of Life

NCT03121391
View directory record Official record
Conditions
Critical Care, Palliative Care
Interventions
Ventilator withdrawal algorithm
Procedure
Lead sponsor
Wayne State University
Other
Eligibility
18 Years and older
Enrollment
165 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
5
States / cities
Detroit, Michigan • Royal Oak, Michigan • Southfield, Michigan
Source: ClinicalTrials.gov public record
Updated Nov 28, 2022 · Synced Sep 5, 2026, 7:14 PM EDT
Completed No phase listed Observational

A Study to Monitor Patients With Primary or Early HIV Infection

NCT00000911
View directory record Official record
Conditions
HIV Infections
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
13 Years and older
Enrollment
1,500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999 – 2007
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Oct 21, 2015 · Synced Sep 5, 2026, 7:14 PM EDT
Terminated Phase 4 Interventional Results available

Comparison of Nebulizers in ED in Pediatric Asthma Patients

NCT01951378
View directory record Official record
Conditions
Asthma
Interventions
Hudson RCI® nebulizer, NebuTech® HDN® nebulizer, Albuterol
Device · Drug
Lead sponsor
Seton Healthcare Family
Other
Eligibility
3 Years to 17 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Apr 7, 2021 · Synced Sep 5, 2026, 7:14 PM EDT
Not yet recruiting No phase listed Observational

An Observational Study to Learn How Mirena and Other Progestogen Treatments Are Used for Endometrial Protection in Women 40+ With a Uterus in the United States Receiving Estrogen Therapy, and Their Respective Health Outcomes

NCT07795606
View directory record Official record
Conditions
Estrogen Therapy
Interventions
Estrogen therapy, Mirena levonorgestrel-releasing intrauterine system, Other progestogen therapy
Drug · Device
Lead sponsor
Bayer
Industry
Eligibility
40 Years and older · Female only
Enrollment
456,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
2
States / cities
Ann Arbor, Michigan • Eden Prairie, Minnesota
Source: ClinicalTrials.gov public record
Updated Aug 30, 2026 · Synced Sep 5, 2026, 7:14 PM EDT
Completed No phase listed Observational

Assessment of Stroke Volume in Shock Using Echocardiography Versus Bioreactive Impedance

NCT07020637
View directory record Official record
Conditions
Shock, Critical Illness
Interventions
Cheetah NICOM
Device
Lead sponsor
University of Nevada, Las Vegas
Other
Eligibility
18 Years to 90 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Las Vegas, Nevada
Source: ClinicalTrials.gov public record
Updated Jul 13, 2026 · Synced Sep 5, 2026, 7:14 PM EDT
Recruiting No phase listed Observational

EXtubation Related Complications - the EXTUBE Study (EXTUBE)

NCT06442930
View directory record Official record
Conditions
Extubation
Interventions
Not listed
Lead sponsor
University Health Network, Toronto
Other
Eligibility
18 Years and older
Enrollment
3,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
6
States / cities
Tucson, Arizona • Little Rock, Arkansas • Gainesville, Florida + 3 more
Source: ClinicalTrials.gov public record
Updated Aug 26, 2026 · Synced Sep 5, 2026, 7:14 PM EDT
Completed No phase listed Observational

Identifying Risk Factors for Gram-negative Resistance for HAP/VAP in the Intensive Care Unit

NCT04700202
View directory record Official record
Conditions
Ventilator-associated Pneumonia, Hospital-acquired Pneumonia
Interventions
Observational
Other
Lead sponsor
Methodist Health System
Other
Eligibility
18 Years and older
Enrollment
132 participants
Timeline
2020 – 2022
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Mar 22, 2026 · Synced Sep 5, 2026, 7:14 PM EDT
Completed Not applicable Interventional

Evaluating an Emergency Department Observation Syncope Protocol for Older Adults

NCT01003262
View directory record Official record
Conditions
Syncope
Interventions
Emergency Department Observation Protocol, Unstructured, inpatient evaluation
Other
Lead sponsor
University of California, Los Angeles
Other
Eligibility
50 Years and older
Enrollment
123 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
4
States / cities
Los Angeles, California • Boston, Massachusetts • Royal Oaks, Michigan + 1 more
Source: ClinicalTrials.gov public record
Updated Feb 12, 2023 · Synced Sep 5, 2026, 7:14 PM EDT
Completed Not applicable Interventional

Sleep Organization in Premature Infants With Feeding Difficulties

NCT01946308
View directory record Official record
Conditions
Premature Infant Sleep
Interventions
Conformational positioning system
Other
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
26 Weeks to 36 Weeks
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 28, 2020 · Synced Sep 5, 2026, 7:14 PM EDT