PhilipDiazMD

Pulmonology • Columbus, OH

Critical Care Medicine, Pleural Disease

Professor, Internal Medicine, Ohio State University College of Medicine

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Office
2050 Kenny Rd
Pavilion Ste 2200
Columbus, OH 43221
Phone+1 614-293-4925

Fax+1 614-293-5503
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Education & Training

Ohio State University HospitalFellowship, Pulmonary Disease and Critical Care Medicine, 1989 - 1992
Ohio State University HospitalResidency, Internal Medicine, 1986 - 1989
Pennsylvania State University College of MedicineClass of 1986

Certifications & Licensure

OH State Medical License 1989 - 2025
American Board of Internal Medicine Internal Medicine

Awards, Honors, & Recognition

CMS Meaningful Use Stage 1 Certification EpicCare Ambulatory EMR, Epic Systems Corporation, 2012-2013

Clinical Trials

Long-term Oxygen Treatment Trial Start of enrollment: 2009 Jan 01
Completed
Phase 3
Smoking Cessation Using Motivational Therapy and Varenicline Start of enrollment: 2008 Oct 03
Completed
Not Applicable
A Registry of COPD Patients to be Used for Future Studies Start of enrollment: 2008 Dec 01
Completed
Alveolar Macrophage Proteomics in HIV-associated Emphysema Start of enrollment: 2006 Apr 21
Completed
Longitudinal Studies of HIV-Associated Lung Infections and Complications (Lung HIV) Start of enrollment: 2007 Sep 01
Completed
Not Applicable
Green Tea Anticancer Mechanisms in Smokers Start of enrollment: 2010 Jun 01
Completed
Not Applicable
Pulmonary Rehabilitation in Improving Lung Function in Patients With Locally Advanced Non-Small Cell Lung Cancer Undergoing Chemoradiation Start of enrollment: 2013 Oct 01
Withdrawn
Not Applicable
Reveal LINQ for Chronic Obstructive Pulmonary Disease (COPD) Start of enrollment: 2020 Aug 25
Completed
Doxycycline for Emphysema in People Living With HIV (The DEPTH Trial) Start of enrollment: 2022 Aug 22
Recruiting
Phase 2
Roles: Principal Investigator, Contact
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Publications & Presentations

PubMed

4 citations
The deleterious effects of smoking on the development and progression of chronic pancreatitis.
Samuel Y Han, Darwin L Conwell, Philip T Diaz, Amy Ferketich, Christie Y Jeon, Dhiraj Yadav, Phil A Hart> ;Pancreatology. 2022 Sep 1
1 citations
Early Titration of Oxygen During Mechanical Ventilation Reduces Hyperoxemia in a Pilot, Feasibility, Randomized Control Trial for Automated Titration of Oxygen Levels.
Sonal R Pannu, Matthew Exline, Brett Klamer, Guy Brock, Elliott D Crouser, John W Christman, Philip Diaz> ;Critical Care Explorations. 2022 Jun 1
Rationale and design of a randomized controlled clinical trial; Titration of Oxygen Levels (TOOL) during mechanical ventilation.
Sonal R Pannu, Tyler Haddad, Matthew Exline, John W Christman, Jeffrey C Horowitz, Jonathan Peters, Guy Brock, Philip Diaz, Elliott D Crouser> ;Contemporary Clinical Trials. 2022 Aug 1
Brief Report: Increased Cotinine Concentrations are Associated With Reduced Expression of Cathelicidin (LL-37) and NOD-2 in Alveolar Macrophages of PLWH Who Smoke.
Philip T. Diaz, Amy K. Ferketich, Mary Ellen Wewers, Kristine K. Browning, Mikhail A. Gavrilin, Anasuya Sarkar, Jennifer L. Hollyfield, Teresa Trinka, Mark D. Wewers> ;Journal of Acquired Immune Deficiency Syndromes. 2020 Dec 15
18 citations
Serum IgG Levels and Risk of COPD Hospitalization: A Pooled Meta-analysis.
Fernando Sergio Leitao Filho, Andre Mattman, R. Robert Schellenberg, Gerard J. Criner, Prescott G. Woodruff, Stephen C. Lazarus, Richard K. Albert, John E. Connett, Me...> ;Chest. 2020 Oct 1
9 citations
Inflammasome Adaptor ASC Is Highly Elevated in Lung Over Plasma and Relates to Inflammation and Lung Diffusion in the Absence of Speck Formation
Mikhail A. Gavrilin, Christian C. McAndrew, Evan R. Prather, MuChun Tsai, Carleen R. Spitzer, Min-Ae Song, Srabani Mitra, Anasuya Sarkar, Peter G. Shields, Philip T. D...> ;Frontiers in Immunology. 2020 Mar 19
6 citations
Characteristics at the time of oxygen initiation associated with its adherence: Findings from the COPD Long-term Oxygen Treatment Trial.
Marilyn L. Moy, Kathleen F. Harrington, Alice L. Sternberg, Jerry A. Krishnan, Richard K. Albert, David H. Au, Richard Casaburi, Gerard J. Criner, Philip T. Diaz, Rich...> ;Respiratory Medicine. 2019 Mar 1
9 citations
Long-Term Results After Lung Volume Reduction Surgery: A Single Institution’s Experience
Chelsea R. Horwood, Daniel Mansour, Mahmoud Abdel-Rasoul, Gregory A. Metzger, Jing Han, Rishav Aggarwal, Mahasti Rittinger, Sheri Shimizu-Saito, Philip T. Diaz, Susan ...> ;The Annals of Thoracic Surgery. 2019 Apr 1
5 citations
Smoking and HIV: confronting the epidemic
Philip T. Diaz, Amy K. Ferketich> ;The Lancet. HIV. 2018 Mar 1
7 citations
The Long-Term Oxygen Treatment Trial for Chronic Obstructive Pulmonary Disease: Rationale, Design, and Lessons Learned
Roger D. Yusen, Gerard J. Criner, Alice L. Sternberg, David H. Au, Anne L. Fuhlbrigge, Richard K. Albert, Richard Casaburi, James K. Stoller, Kathleen F. Harrington, J...> ;Annals of the American Thoracic Society. 2018 Jan 1
79 citations
Anaerobic Bacterial Fermentation Products Increase Tuberculosis Risk in Antiretroviral-Drug-Treated HIV Patients
Leopoldo N. Segal, Jose C. Clemente, Yonghua Li, Chunhai Ruan, Jane Cao, Mauricio Danckers, Alison Morris, Sarah Tapyrik, Benjamin G. Wu, Philip T. Diaz, G Calligaro, ...> ;Cell Host & Microbe. 2017 Apr 12
Lung Volume Reduction following Recurrent Pneumonia: An Unusual Finding in a COPD Patient.
Yihenew Negatu, Philip T. Diaz> ;Case Reports in Medicine. 2017 Mar 8
35 citations
Risk Factors Associated With Quantitative Evidence of Lung Emphysema and Fibrosis in an HIV-Infected Cohort.
Joseph K. Leader, Kristina Crothers, Laurence Huang, Mark A. King, Alison Morris, Bruce Thompson, Sonia C. Flores, M.B. Drummond, William N. Rom, Philip T. Diaz> ;Journal of Acquired Immune Deficiency Syndromes. 2016 Apr 1
18 citations
Adherence to Tobacco Dependence Treatment Among HIV-Infected Smokers.
Kristine K. Browning, Mary Ellen Wewers, Amy K. Ferketich, Philip T. Diaz, Susan L. Koletar, Nancy R. Reynolds> ;AIDS and Behavior. 2016 Mar 1
10 citations
Biobehavioral Prognostic Factors in Chronic Obstructive Pulmonary Disease: Results From the INSPIRE-II Trial.
James A. Blumenthal, Patrick Smith, Michael T. Durheim, Stephanie Mabe, Charles F. Emery, Tereza Martinu, Philip T. Diaz, Michael A. Babyak, Karen E. Welty-Wolf, Scott...> ;Psychosomatic Medicine. 2016 Feb 1
36 citations
Factors associated with abnormal spirometry among HIV-infected individuals.
M. Bradley Drummond, Laurence Huang, Philip T. Diaz, Gregory D. Kirk, Eric C. Kleerup, Alison Morris, William N. Rom, Michael D. Weiden, Enxu Zhao, Bruce Thompson, Kri...> ;AIDS. 2015 Aug 24
34 citations
Characterization of reactive oxygen species in diaphragm
Li Zuo, Thomas M. Best, W. J. Roberts, Philip T. Diaz, Peter D. Wagner> ;Acta Physiologica. 2015 Mar 1
37 citations
Short- and long-term effects of ambient ozone and fine particulate matter on the respiratory health of chronic obstructive pulmonary disease subjects.
Mbabazi Kariisa, Randi E. Foraker, Michael L. Pennell, Timothy J. Buckley, Philip T. Diaz, Gerard J. Criner, J. R. Wilkins> ;Archives of Environmental & Occupational Health. 2015 Jan 2
13 citations
PO2 cycling reduces diaphragm fatigue by attenuating ROS formation
Li Zuo, Philip T. Diaz, Michael T. Chien, William J. Roberts, Juliana Kishek, Thomas M. Best, Peter D. Wagner> ;Plos One. 2014 Oct 9
44 citations
The Effects of a Telehealth Coping Skills Intervention on Outcomes in Chronic Obstructive Pulmonary Disease: Primary Results from the INSPIRE-II Study
James A. Blumenthal, Charles F. Emery, Patrick Smith, Francis J. Keefe, Karen E. Welty-Wolf, Stephanie Mabe, Tereza Martinu, Julie Johnson, Michael A. Babyak, Virginia...> ;Psychosomatic Medicine. 2014 Oct 1
66 citations
Molecular characterization of redox mechanisms in allergic asthma
Lan Jiang, Philip T. Diaz, Thomas M. Best, Julia N. Stimpfl, Feng He, Li Zuo> ;Annals of Allergy, Asthma & Immunology. 2014 Aug 1
167 citations
Interrelated role of cigarette smoking, oxidative stress, and immune response in COPD and corresponding treatments
Li Zuo, Feng He, Georgianna Sergakis, Majid Koozehchian, Julia N. Stimpfl, Yi Rong, Philip T. Diaz, Thomas M. Best> ;American Journal of Physiology. Lung Cellular and Molecular Physiology. 2014 Aug 1
53 citations
Accumulation of metals in GOLD4 COPD lungs is associated with decreased CFTR levels
Fatemat Hassan, Xiaohua Xu, Gerard J. Nuovo, David W. Killilea, Jean Tyrrell, Chong Da Tan, Robert Tarran, Philip T. Diaz, Junbae Jee, Daren L. Knoell, Prosper N. Boya...> ;Respiratory Research. 2014 Jun 23
9 citations
Gender Differences in Pulmonary Function, Respiratory Symptoms, and Macrophage Proteomics among HIV-Infected Smokers.
Shiva D. Rahmanian, Karen L. Wood, Shili Lin, Mark A. King, April Horne, Shangbin Yang, Haifeng M. Wu, Philip T. Diaz> ;Scientifica. 2014 Mar 4
82 citations
HIV infection is associated with reduced pulmonary diffusing capacity
Kristina Crothers, Kathleen A. McGinnis, Eric C. Kleerup, Cherry Wongtrakool, Guy W. Soo Hoo, Joon Kim, Amir Sharafkhaneh, Laurence Huang, Zhaoyu Luo, Bruce Thompson, ...> ;Journal of Acquired Immune Deficiency Syndromes. 2013 Nov 1
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Press Mentions

COPD: Weighing Your Treatment OptionsOctober 20th, 2020
Sex, Depression, and Risk of Hospitalization and Mortality in Chronic Obstructive Pulmonary DiseaseNovember 26th, 2019