FelixW.LeungMD

Gastroenterology • Sepulveda, CA

Professor, Medicine, UCLA School of Medicine

Join to view full profile

Dr. Leung is on Doximity

As a Doximity member you'll join over two million verified healthcare professionals in a private, secure network.

Gain access to free telehealth tools, such as our “call shielding” and one-way patient texting.
Connect with colleagues in the same hospital or clinic.
Read the latest clinical news, personalized to your specialty.

See Dr. Leung's full profile

Already have an account?

Office
16111 Plummer St
# 111G
Sepulveda, CA 91343
Phone+1 818-895-9403

Education & Training

UCLA David Geffen School of Medicine/UCLA Medical CenterFellowship, Gastroenterology, 1983 - 1984
UCLA David Geffen School of Medicine/UCLA Medical CenterFellowship, Gastroenterology, 1981 - 1983
UCLA-VA Greater Los AngelesResidency, Internal Medicine, 1978 - 1981
Yale School of MedicineClass of 1978

Certifications & Licensure

CA State Medical License 1979 - 2027
American Board of Internal Medicine Internal Medicine
American Board of Internal Medicine Gastroenterology

Awards, Honors, & Recognition

Fellow (FACG) American College of Gastroenterology

Clinical Trials

Treatment of Patients With Fecal Incontinence Start of enrollment: 2008 Jan 01
Terminated
Not Applicable
Can Simple and Inexpensive Techniques Enhance Patient Comfort Start of enrollment: 2007 Dec 01
Terminated
Phase 1, Phase 2
Techniques to Enhance Patient Comfort in Sedation-risk Free Colonoscopy Start of enrollment: 2007 Dec 01
Terminated
Phase 1, Phase 2
The Effects of the Water-exchanged Colonoscopy on Adenoma Detection Rate Start of enrollment: 2014 Apr 01
Completed
Not Applicable
Prospective RCT Of Water Exchange (WE) vs. WE Plus Cap-Assisted Colonoscopy Start of enrollment: 2018 Jun 08
Completed
Not Applicable
Does the Cap Increase the Finding of Polyps When Water Exchange Colonoscopy is Used Start of enrollment: 2018 Jul 01
Recruiting
Not Applicable
Roles: Principal Investigator, Contact
Join now to see all

Publications & Presentations

PubMed

Evaluation of causal relationships between genetic liability to inflammatory bowel disease and autism spectrum disorder by Mendelian randomization analysis.
Ruijie Zeng, Rui Jiang, Wentao Huang, Huihuan Wu, Zewei Zhuo
Dialogues in Clinical Neuroscience. 2025-12-01
Prospective randomized controlled trial of water exchange plus cap versus water exchange colonoscopy in unsedated veterans.
Felix W Leung, Ramsey Cheung, Shai Friedland, Naom Jacob, Joseph W Leung
Gastrointestinal Endoscopy. 2025-02-01
Extended flexible sigmoidoscopy using water exchange facilitates a complete colon examination without sedation in participants undergoing average risk colorectal cance...
Adrian Bak, Brent Parker, Rafael Perini, Arshbir Aulakh, Caio Oliveira
Journal of the Canadian Association of Gastroenterology. 2024-12-01

Authored Content

Mo1687 WATER EXCHANGE COLONOSCOPY IS SUPERIOR TO AIR/CARBON DIOXIDE INSUFFLATION AND WATER IMMERSION TECHNIQUES: A META-ANALYSIS AND SYSTEMATIC REVIEW OF RANDOMIZED CONTROLLED TRIALSMay 2018
Gastrointestinal Endoscopy Editorial Board Top 10 Topics: Advances in GI Endoscopy in 2017May 2018

Professional Memberships

American College of Gastroenterology - ACG
Fellow