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Clinical Research

We offer robust clinical research opportunities through our UCLA-appointed faculty both at Olive View and UCLA.

These are just some of our faculty and their research interests.

FacultyResearch & Clinical Interests
Soma Wali, MD
Chair of Medicine
Obesity & weight loss, Smoking cessation, Disparities in hypertension, statin use in patients with HIV
Michael Rotblatt, MD
Associate Program Director
Pharmacology
Sural Shah, MDImmigrant health, Health equity, Medical education
Daniel Georgie, MDMedical education, Health equity and access to care
Arash Nafisi, MDHealth equity and access to care
Kenneth Pettersen, MDAddiction medicine
FacultyResearch & Clinical Interests
Anthony Koppula, MD
Chief of Cardiology
Echocardiography
Justin Hayase, MDElectrophysiology
Sheba Meymandi, MDChagas disease
Jonathan Soverow, MD
Director of Interventional Cardiology & Cardiovascular Research
Cardiac outcomes, Clinical trials
FacultyResearch Interests
Nasser Mikhail, MD
Chief of Endocrinology
Reviews in endocrinology
Vahid Mahabadi, MDMale reproductive disorders, Novel therapeutics for diabetes
FacultyResearch & Clinical Interests
Simon Beaven, MD, PhD
Chief of Gastroenterology & Hepatology
Liver fibrosis, Porphyrias
Thomas Kovacs, MDUpper gastrointestinal bleeding, Foregut diseases
James Tabibian, MD, PhD
Director of Endoscopy
Advanced endoscopy, Machine learning
FacultyResearch & Clinical Interests
Leland Powell, MD, PhD
Chief of Hematology & Oncology
Genitourinary cancers
David Bolos, MDHematologic cancer, LGBTQ health
Victor Chiu, MD
Director of Oncology Research
Clinical trials
Phyllis Kim, MDMedical education
Jared Reed, MDGenitourinary cancer
Phillis Wu, MD
Director of Hematology-Oncology Fellowship
Gynecologic cancer, medical education
FacultyResearch & Clinical Interests
Glenn Mathisen, MD
Chief of Infectious Disease
Atypical infections
Suzanne Donovan, MDGlobal health, Pandemics
Arthur Jeng, MDClinical trials, Antibiotic stewardship
Caitlin Reed, MDTuberculosis
FacultyResearch & Clinical Interests
Phuong-Chi Pham, MD
Fellowship Program Director
Sodium disorders, Hepatorenal syndrome, Magnesium disorders
Golriz Jafari, MDPatient education, CKD outcomes
Anita Kamarzarian, MDRenal outcomes in bevacizumab
FacultyResearch & Clinical Interests
Katherine Yu, MD
Chief of Palliative Care Medicine
Palliative skills acquisition, Oncologic care
Christopher Metchnikoff, MDAdvanced care planning
FacultyResearch & Clinical Interests
Nikhil Barot, MDEnd of life care
Vincent Chan, MDPoint-of-care ultrasound, Procedural training
Keren Fogelfeld, MDInterstitial lung disease, Pneumoconiosis
Nader Kamangar, MD
Chief of Pulmonary & Critical Care
UCLA Profile
Pulmonary infections, Interstitial lung disease
Kathryn Melamed, MD
Director of PCCM Fellowship
UCLA Profile
Pleural interventions
Kristin Schwab, MD
UCLA Profile
Post-ICU care, Interdisciplinary care, ICU outcomes
Dennis Yick, MD
Medical Director of ICU
Sepsis, Mechanical ventilation
FacultyResearch & Clinical Interests
Andrew Wong, MD
Chief of Rheumatology
Autoantibodies, RA empowerment programs for Spanish-speakers
Phillip Clements, MDSystemic sclerosis
Emil Heinze, MD
Director of Rheumatology Fellowship
T-regulatory cells
Suncica Volkov, MDRheumatoid arthritis

Recent Resident Publications

Our housestaff produce dozens of papers, presentations, and abstracts every year. These are some of the publications in the last couple years.

Azizian J, Dalai C, Adams MA, Murcia A, Tabibian, JH. Medical professional liability in gastroenterology: definitions, trends, risk factors, provider behaviors, and implications. Expert Review in Gastroenterology & Hepatologly. 2021 Jun;15(8):909-918. 

Azizian J, Dalai C, Adams MA, Tabibian, JH. Medical professional liability risk and mitigation: An overview for early-career gastroenterologists. The New Gastroenterologist. Published online 2021 Mar:1-4. 

Azizian J., Dalai C., Trieu H., Rajan A., Tabibian J.H.. (2021, May). Logistic Regression and Machine Learning Methods Predict Choledocholithiasis More Accurately Compared to Current Criteria. Gastrointestinal Endoscopy, 93(6), AB145-AB146.

De Silva S, Trieu H, Rajan A, Liang Y, Lin JL, Kidambi TD. Flexible sigmoidoscopy may be sufficient for initial evaluation of suspected immunotherapy-mediated colitis: A cross-sectional study. J Gastroenterol Hepatol. 2021 Sep 21. doi: 10.1111/jgh.15691. Epub ahead of print. PMID: 34547818.

De Silva S, Trieu H, Rajan A., Liang Y., Lin J., Kidambi T.. (2021, Jun). Flexible Sigmoidoscopy is sufficient for evaluation of diarrhea in patients with suspected immunotherapy mediated colitis. The American Journal of Gastroenterology.

Gopalakrishnan R, Matta H , Choi S, Natarajan V, Prins R, Gong S, Zenunovic A, Narasappa N, Patel F, Prakash R, Chaudhary V, Sikri V, Chitnis SD, Kochegarov A, Wang D, Falat M, Kahn M, Keerthipati PS, Sharma N, Lenka J, Stieben TM, Braun J, Batra A, Purvis K, Ito K, Lee JH, Jeronimo A, Zamora HM, Membreno A, Qiu Q, Peshin S, Namburu L, Chaudhary PM. Topanga: A novel luciferase-based assay for the detection of chimeric antigen receptors. Scientific Reports. 2019;9(1):1957. PMID: 30760795.

Kahn M, Thetford J, Watson RL, Wong JI, Kamangar N. High incidence of barotrauma in severe COVID-19. Journal of Intensive Care Medicine. 2021;36(6):646-54. PMID: 33722090

Law J, Rajan A, Trieu H, Azizian J, Berry R, Beaven SW, Tabibian JH: Predictive modeling of colonoscopic findings in a fecal immunochemical test-based colorectal cancer screening program. Digestive Diseases and Sciences; August 2021; https://doi.org/10.1007/s10620-021-07160-6.

Law J. & Rajan A., Trieu H., Azizian J., Berry R., Beaven S., Tabibian J.H.. (2021, May). Predicting false-positive fecal immunochemical test (FIT) result and of adenomatous polyp number in a FIT-based colorectal cancer screening program. Gastroenterology, 160(6), S203-S204.

Law J, Singh S. Rings Round the Colon: An Early Diagnosis of Signet Ring Cell Carcinoma of the Colon. Proceedings of UCLA Health. [Internet]. Aug 2020; 24(1).

Law J, Zhornitskiy A, Tabibian JH. Staying “on tract”: a grave case of right upper quadrant pain in a patient with a cholecystostomy tube. Gastroenterology. 2019; https://doi.org/10.1053/j.gastro.2019.10.045.

Rajan A., Smith J., Chang L., Weiss G.. (2021, Jun). Constipation as a Cause of Non-Responsive Celiac Disease. The American Journal of Gastroenterology.

Rajan A., Trieu H., Lin J., Kidambi T.. (2020, Jun). Does Thrombocytopenia Predict Poor Outcome After Endoscopy For Evaluation of Graft-Versus-Host Disease in Hematologic Cancer Patients with Allogeneic Hematopoietic Stem Cell Transplant?. Gastrointestinal Endoscopy,, 91(6), AB534 – AB535.

Rajan AV., Trieu H., Chu P., Lin J., Kidambi T.D.. (2020, Oct). Assessing the yield and safety of endoscopy in acute graft-vs-host disease after hematopoietic stem cell transplant . World Journal of Gastrointestinal Endoscopy, 12(10), 341-354. Cited in PubMed; PMID: 33133371.

Sadek, R., Vu, Q., Gordin, J., Sanchez, D., Shantouf, R., & Soverow, J. Radial Artery Access: Palpation Vs Ultrasound. Catheterization and Cardiovascular Interventions Journal. April 2021 97 (1) 59.

Thetford J, Manwani P, Heinze E, Belani H. Gout of the Ordinary: A Case of Clavicular Gout in HIV. UCLA Proceedings. Volume 24. Published online February 3, 2021.

Wu B, Woo JS, Vila P, et al. NKD2 mediates stimulation-dependent ORA1 trafficking to augment Ca2+ entry in T-cells. Cell Reports. 36, 109603, Aug 24, 2021.

Kahn M, Suthar L. How to Teach the Teacher: Using Lesson Plans to Build Residents’ Teaching Skills, Workshop Presentation at Alliance for Academic Internal Medicine, Denver, CO, October 2019. National.

Kahn M, Suthar L. How to Teach the Teacher: Using Lesson Plans to Build Residents’ Teaching Skills, Workshop Presentation at American Medical Association, Sacramento, CA/Virtual, October 2020. National.

Wong JI, Sadek R, Mehrabani A, Koppula A, Soverow J. Echocardiographic Characteristics, Cardiovascular Factors, And Disease-directed Therapy Do Not Explain Differences In Covid-19 Related Hispanic Outcomes. American Heart Association Scientific Sessions 2021. Virtual. November 2021.

Azizian J, Dalai C, Tabibian JH. Risk Factors for Choledocholithiasis: Investigating the Validity of the 4 Fs and Other Potential PredictorsPoster Presentation, American College of Gastroenterology Virtual Conference 2020.

Azizian J, Dalai C, Trieu H, Chen F, Tabibian JHLogistic Regression and Machine Learning Methods Predict Choledocholithiasis More Accurately Compared to Current Criteria. Poster of Distinction, Digestive Disease Week 2021.

Azizian J, Trieu H, Beaven SW, Kovacs TO, Tabibian JH. Yield of Post-Acute Diverticulitis Colonoscopy: Analysis of an Underserved Patient Population in the Los Angeles County Dept of Health Services. Poster of Distinction, Digestive Disease Week 2021.

Dalai C, Azizian J, Chen F, Tabibian JH. Clinical Epidemiology of Choledocholithiasis: Examining Recent Trends and the Notion of the “4 Fs” . Poster Presentation, Digestive Disease Week 2020.

Kahn M, Benjamin L, Fathizadeh P, Kamangar N. Tracheobronchopathia osteochondroplastica with metastatic breast cancer. Poster presentation & abstract published in: Chest 2020 Annual Meeting; October 2020. DOI: 10.1016/j.chest.2020.08.1472

Kahn M, Seo JY, Kyung SRBarot N. Bosutinib-induced pulmonary arterial hypertension in a patient with chronic myelogenous leukemia. Abstract published in: American Journal of Respiratory and Critical Care Medicine. 2020;201:A3775. Poster presentation & abstract published in: American Thoracic Society International Conference 2020; Philadelphia, PA; May 2020. DOI: 10.1164/ajrccm-conference.2020.201.1_meetingabstracts.a3775

Kahn M, Thetford J, Watson R, Wong JI, Kamangar N. High Incidence of Barotrauma in Critically Ill Patients with COVID-19. 50th Critical Care Congress 2021. Virtual January 2021.

Kahn M, Watson R, Thetford J, Kamangar N. E. coli Pneumonia with pneumatocele, empyema necessitans, and bronchopleural fistula in a patient with severe COVID-19. Poster presentation & abstract published in: Chest 2020 Annual Meeting; October 2020. DOI: 10.1016/ j.chest.2020.08.485

Kahn MSuthar L. Goal-directed teaching: A movement for module-based learning on the wards. Poster presentation at: UCLA Solomon Scholars Research Program 2019; April 2019; Los Angeles, CA.

Kahn MThetford J, Watson R, Wong JI, Kamangar N. High Incidence of Barotrauma in Severe COVID-19. Oral research presentation & abstract published in: Society of Critical Care Medicine 2021 Annual Conference; January 2021.

Law J, Rajan A, Trieu H, Azizian J, Berry R, Beaven SW, Tabibian JHPredictive modeling of colonoscopic findings in a fecal-immunochemical test-based colorectal cancer screening program. Poster Presentation, Digestive Disease Week 2021.

Sadek R, Soverow J. (October 2020). Scorched Earth: Immune Checkpoint Inhibitors and the Heart. Poster presented at: Southern California American College of Physicians; Los Angeles, CA, USA.

Thetford J, Heinze E, Belani H. GOUT OF THE ORDINARY: Clavicular Gout in HIV. Poster presented at: 2019 SGIM Annual National Meeting. Washington DC. May 2019.

Thetford J, Jasuja S, Barot N. Improving High Output Heart Failure with Trans-jugular Intrahepatic Portosystemic Shunt Revision. Poster presented at: 2020 American Thoracic Society (ATS) International Conference. August 2020.

Thetford J, Meymandi S, Mahabadi V. AN UNLIKELY PAIR: Using Diabetes Insipidus to Treat Heart Failure Exacerbation. Poster presented at: 2020 SGIM California-Hawaii Regional Meeting. Irvine, CA. January 2020.

Thetford JKahn MBarot N, Kamangar N. Pneumomedastinum and Pneumothorax due to Noninvasive Positive Pressure Ventilation in COVID-19 Pneumonia. Poster presentation & abstract published in: Chest 2020 Annual Meeting; October 2020. DOI: 10.1016/ j.chest.2020.08.1171

Thetford J, Mosaferi T, Belperio. A Grave Conundrum: Thyrotoxicosis and Bacteremia with an Unusual Pathogen. Poster to be presented at: 2020 ACP Southern California Virtual Poster Competition. October 2020.

Vila P. “Timely Primary Palliative Pain Management in a Safety Net Oncology Clinic: Results of a Year-Long Palliative Care- Oncology Partnership”. Annual Assembly of Hospice and Palliative Care Poster Presentation. Nashville, TN. 02/2022.

Vila P. “Diffuse alveolar hemorrhage and renal failure in a young Hispanic woman”. ACP Poster Presentation, Carlsbad, CA. 10/2019. 2nd place in Southern California Region I.

Wong JI, Agarwal M, Patel J, Yang EH. Plication of a High-Flow Arteriovenous Fistula Resulting in Improvement of High-Output Heart Failure. Heart Failure Society of America Annual Scientific Meeting 2021; Virtual September 2021.

Wong JI, Chen A, Vila P, Mehrabani A, Salama P, Peterson K. Reducing Inappropriate Prescribing of Aspirin for Primary Prevention of Atherosclerotic Cardiovascular Disease. 21st Annual Southern Hospital Medicine Conference; Atlanta, GA. October 14 2021.

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