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ClinicalTrials.gov public records Last synced Sep 6, 2026, 8:06 AM EDT

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Showing 1–21 of 21 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Preoperative fasting Clear all
Recruiting Not applicable Interventional

Preoperative Fasting vs. Not Fasting in Critically Ill Patients

NCT06751043
View directory record Official record
Conditions
Critical Illness, Surgical Procedure, Unspecified, Pulmonary Aspiration, Fasting
Interventions
Fasting, Not fasting
Other
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
1,072 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
19
States / cities
Palo Alto, California • San Francisco, California • Aurora, Colorado + 13 more
Source: ClinicalTrials.gov public record
Updated Jun 11, 2026 · Synced Sep 6, 2026, 8:06 AM EDT
Enrolling by invitation Not applicable Interventional

Preoperative Use of a Magnetically Controlled Capsule Endoscopy in Patients Undergoing Bariatric Surgery

NCT07587437
View directory record Official record
Conditions
Obesity, Bariatric Surgery Candidate, Hypertension, Diabetes
Interventions
Magnetically Controlled Capsule Endoscopy (MCCE)
Device
Lead sponsor
Jerry Dang
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated May 13, 2026 · Synced Sep 6, 2026, 8:06 AM EDT
Terminated Phase 2 Interventional Results available

Dabrafenib/Trametinib, BRAF or BRAF AND MEK Pre-op With BRAF and MEK Post-op, Phase IIB, Melanoma With Brain Mets,Biomarkers and Metabolites

NCT01978236
View directory record Official record
Conditions
Melanoma and Brain Metastases
Interventions
Dabrafenib 150 mg, Trametinib 2.0 mg
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years and older
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
2
States / cities
Pittsburgh, Pennsylvania • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 16, 2018 · Synced Sep 6, 2026, 8:06 AM EDT
Recruiting No phase listed Observational

GLP1 Fasting Status and Gastric Retention Using Gastric Ultrasound

NCT07251803
View directory record Official record
Conditions
Gastric Retention
Interventions
Gastric Ultrasound
Diagnostic Test
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Feb 24, 2026 · Synced Sep 6, 2026, 8:06 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Enhanced Recovery After Surgery in Kidney Transplant Donors

NCT04110080
View directory record Official record
Conditions
Opioid Use, Kidney Diseases, Pain, Postoperative, Postoperative Complications, Postoperative Nausea and Vomiting
Interventions
multimodal pain management, goal directed fluid management, preoperative carbohydrate loading, Donor nephrectomy, regional anesthesia
Procedure · Other
Lead sponsor
Thomas Jefferson University
Other
Eligibility
18 Years and older
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 17, 2023 · Synced Sep 6, 2026, 8:06 AM EDT
Recruiting No phase listed Observational

The Million Anesthesia Cases Study (MACS) - a Cohort Study of Preoperative Fasting and Perioperative Outcomes

NCT07022951
View directory record Official record
Conditions
Anesthesia, Sedation, Monitored Anesthesia Care, Procedure, Surgery, Day, Surgery, Surgery Scheduled, Fasting Before Operation, Aspiration; Gastric Contents, Anesthesia
Interventions
Preoperative fasting
Other
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
Not listed
Enrollment
1,200,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2030
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 7, 2026 · Synced Sep 6, 2026, 8:06 AM EDT
Recruiting Not applicable Interventional

Time Restricted Eating for the Improvement of Outcomes in Patients With Stage I-III Breast Cancer Receiving Chemotherapy Before Surgery

NCT05327608
View directory record Official record
Conditions
Anatomic Stage I Breast Cancer AJCC v8, Anatomic Stage II Breast Cancer AJCC v8, Anatomic Stage III Breast Cancer AJCC v8, Invasive Breast Carcinoma
Interventions
Short-Term Fasting, Chemotherapy, Biospecimen Collection, Questionnaire Administration
Other · Drug · Procedure
Lead sponsor
Thomas Jefferson University
Other
Eligibility
18 Years and older
Enrollment
55 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
5
States / cities
Cherry Hill, New Jersey • Sewell, New Jersey • Philadelphia, Pennsylvania + 1 more
Source: ClinicalTrials.gov public record
Updated Sep 2, 2026 · Synced Sep 6, 2026, 8:06 AM EDT
Not yet recruiting Not applicable Interventional

Carbohydrate Fluids and Post Operative Nausea and Vomiting

NCT06481670
View directory record Official record
Conditions
Nausea, Postoperative, Vomiting, Postoperative
Interventions
Carbohydrate drink
Other
Lead sponsor
Boston Medical Center
Other
Eligibility
19 Years and older
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 29, 2026 · Synced Sep 6, 2026, 8:06 AM EDT
Completed Not applicable Interventional Results available

Monitoring of Exhaled Carbon Monoxide to Promote Pre-operative Smoking Cessation

NCT01014455
View directory record Official record
Conditions
Smoking
Interventions
Informing surgical patients about CO monitoring, a brief intervention recommending preoperative abstinence from smoking
Behavioral
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
169 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Aug 21, 2011 · Synced Sep 6, 2026, 8:06 AM EDT
Terminated Phase 1Phase 2 Interventional Results available

Fasting on Newly Diagnosed Breast Cancer

NCT02379585
View directory record Official record
Conditions
HER2-positive Breast Cancer
Interventions
Doxorubicin, cyclophosphamide, paclitaxel, docetaxel, Trastuzumab, Pertuzumab
Drug
Lead sponsor
Western Regional Medical Center
Other
Eligibility
18 Years and older
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Goodyear, Arizona
Source: ClinicalTrials.gov public record
Updated Apr 23, 2018 · Synced Sep 6, 2026, 8:06 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Using Point-of-Care-Ultrasound (POCUS) to Assess Gastric Contents Among Fasting Pre-operative Patients Taking GLP-1 Agonists.

NCT06038734
View directory record Official record
Conditions
Delayed Gastric Emptying, Gastroparesis
Interventions
gastric ultrasound
Diagnostic Test
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years and older
Enrollment
108 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 26, 2024 · Synced Sep 6, 2026, 8:06 AM EDT
Completed No phase listed Observational

Gastric Ultrasound Assessment for Patients Taking Cannabis

NCT06567873
View directory record Official record
Conditions
Gastric Ultrasound, Point of Care Ultrasound, Cannabis Use
Interventions
Gastric Ultrasound Exam
Other
Lead sponsor
Hospital for Special Surgery, New York
Other
Eligibility
18 Years to 99 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 15, 2025 · Synced Sep 6, 2026, 8:06 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Preoperative Oral Carbohydrate Drink for Elective Cesarean Delivery and the Effect on Insulin Sensitivity

NCT03494868
View directory record Official record
Conditions
Insulin Sensitivity
Interventions
Carbohydrate Drink
Dietary Supplement
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2025
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated May 6, 2025 · Synced Sep 6, 2026, 8:06 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

The Physiology of Human Brown Adipose Tissue

NCT04352244
View directory record Official record
Conditions
Adipose Tissue, Brown, Adipose Tissue, Obesity
Interventions
Fat biopsy, Blood sampling, Blood sample for DNA analysis
Procedure · Diagnostic Test · Genetic
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years to 75 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 30, 2025 · Synced Sep 6, 2026, 8:06 AM EDT
Completed Not applicable Interventional

Shortened Preoperative Fasts in ICU

NCT03031379
View directory record Official record
Conditions
Intubated ICU Patients
Interventions
shortened fast
Other
Lead sponsor
Montefiore Medical Center
Other
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Apr 19, 2018 · Synced Sep 6, 2026, 8:06 AM EDT
Completed Not applicable Interventional

Sharp Health Companion App for Cataract Surgery Preparation and Recovery

NCT07028359
View directory record Official record
Conditions
Cataract
Interventions
Printed Instructions with Phone Reminders, Sharp Health Companion App (CareKit)
Behavioral
Lead sponsor
Sharp HealthCare
Other
Eligibility
Not listed
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Jun 18, 2025 · Synced Sep 6, 2026, 8:06 AM EDT
Completed No phase listed Observational

Gastric Ultrasound Assessment for Patients Taking GLP1 Agonists

NCT06003985
View directory record Official record
Conditions
Gastric Ultrasound, Glucagon-like Peptide 1, Point of Care Ultrasound
Interventions
Gastric Ultrasound Exam
Other
Lead sponsor
Hospital for Special Surgery, New York
Other
Eligibility
18 Years to 99 Years
Enrollment
354 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
7
States / cities
Washington D.C., District of Columbia • Jacksonville, Florida • Albany, New York + 2 more
Source: ClinicalTrials.gov public record
Updated Nov 25, 2025 · Synced Sep 6, 2026, 8:06 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Gastric Assessment of Pediatric Patients Undergoing Surgery

NCT05674643
View directory record Official record
Conditions
Fasting, Delayed Gastric Emptying, Aspiration Pneumonia, Respiratory Aspiration of Gastric Content
Interventions
Gastric Ultrasound Baseline Scans, Acetaminophen Absorption Test (AAT), Gastric Ultrasound Serial Scans
Diagnostic Test
Lead sponsor
Boston Children's Hospital
Other
Eligibility
2 Years to 18 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2028
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 1, 2026 · Synced Sep 6, 2026, 8:06 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Impact of Oral Carbohydrate Consumption Prior to Cesarean Section

NCT02684513
View directory record Official record
Conditions
Dehydration
Interventions
Oral Carbohydrate Beverage, Rehydration beverage
Dietary Supplement
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
134 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Jul 30, 2019 · Synced Sep 6, 2026, 8:06 AM EDT
Completed No phase listed Observational

Geriatric Fracture Centers - Evaluation of a Geriatric Co-management Program

NCT02297581
View directory record Official record
Conditions
Hip Fractures
Interventions
Not listed
Lead sponsor
AO Innovation Translation Center
Other
Eligibility
70 Years and older
Enrollment
282 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2020
U.S. locations
2
States / cities
St Louis, Missouri • New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 3, 2020 · Synced Sep 6, 2026, 8:06 AM EDT
Not yet recruiting Early Phase 1 Interventional

Multiparametric Metabolic and Hypoxic PET/MRI Imaging Substudy in Gliomas

NCT07778979
View directory record Official record
Conditions
Glioma
Interventions
[18F]FMISO-PET with contrast-enhanced MRI
Drug
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Aug 23, 2026 · Synced Sep 6, 2026, 8:06 AM EDT