Patrick J Loehrer Sr. MD

Oncology•Indianapolis, IN

Gastrointestinal Cancer, Hematologic Oncology

Professor, Oncology, Indiana University School of Medicine

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535 Barnhill Dr# ROUTE448Indianapolis, IN 46202
Phone+1 317-278-7418

Summary

I am a board certified medical oncologist specializing in Gastrointestinal and thymic malignancies. I also am involved with global oncology

Education & Training

Indiana University School of MedicineFellowship, Hematology and Medical Oncology, 1981 - 1983
Rush University Medical CenterResidency, Internal Medicine, 1978 - 1980
Rush Medical College of Rush University Medical CenterClass of 1978

Certifications & Licensure

IN State Medical License 1981 - 2025
American Board of Internal Medicine Internal Medicine
American Board of Internal Medicine Medical Oncology

Awards, Honors, & Recognition

America's Top Doctors Castle Connolly, 2006-2014
America's Top Doctors for Cancer Castle Connolly, 2005-2013
Indianapolis Monthly Castle Connolly, 2010-2011, 2013
Fellow (FASCO) American Society of Clinical Oncologists, 2008
Top MD Consumers Checkbook
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Clinical Trials

Combination Chemotherapy With or Without Bone Marrow or Stem Cell Transplantation in Treating Men With Untreated Germ Cell Tumors Start of enrollment: 1994 Sep 01
Completed
Phase 3
Perillyl Alcohol Followed by Surgery in Treating Patients With Stage II or Stage III Pancreatic Cancer Start of enrollment: 1999 Feb 01
Completed
Phase 2
Carboplatin Combined With Paclitaxel in Treating Patients With Advanced Thymoma Start of enrollment: 2001 Jun 19
Completed
Phase 2
Gemcitabine With or Without Radiation Therapy in Treating Patients With Pancreatic Cancer Start of enrollment: 2003 Aug 29
Completed
Phase 3
Phase II Study of Alimta (Pemetrexed) Treatment of Advanced Thymoma and Thymic Carcinoma Start of enrollment: 2005 Jan 01
Completed
Phase 2
Pilot Study of Imatinib (Gleevec) as Treatment for Advanced Thymic Carcinoma Start of enrollment: 2006 Apr 01
Completed
Phase 1
Cetuximab, Cisplatin, Fluorouracil, and Radiation Therapy in Treating Patients With Anal Cancer Start of enrollment: 2007 Feb 28
Completed
Phase 2
A Study to Test the Safety and Efficacy of Erlotinib Plus Bevacizumab to Treat Advanced Thymoma and Thymic Cancer Start of enrollment: 2006 Aug 01
Completed
Phase 2
Combination Chemotherapy and Cetuximab in Treating Patients With Metastatic Esophageal Cancer or Gastroesophageal Junction Cancer Start of enrollment: 2006 Sep 15
Completed
Phase 2
Saracatinib in Treating Patients With Relapsed or Refractory Thymoma or Thymic Cancer Start of enrollment: 2008 Jun 01
Terminated
Phase 2
Study of Biomarkers in Blood & Tissue Samples From Patients With Colorectal Cancer or Polyps & Patients Without Polyps Start of enrollment: 2009 Jan 01
Completed
A Phase 2 Study of Amrubicin in Relapsed or Refractory Thymic Malignancies Start of enrollment: 2011 Jun 01
Completed
Phase 2
PROSPECT: Chemotherapy Alone or Chemotherapy Plus Radiation Therapy in Treating Patients With Locally Advanced Rectal Cancer Undergoing Surgery Start of enrollment: 2012 Jun 12
Active, not recruiting
Phase 2, Phase 3
A Study of BKM120 (Buparlisib) in Relapsed or Refractory Thymomas Start of enrollment: 2014 Oct 01
Completed
Phase 2
Cabozantinib and Erlotinib for Patients With EGFR and c-Met Co-expressing Metastatic Pancreatic Adenocarcinoma Start of enrollment: 2017 Oct 13
Terminated
Phase 2
Factors Predicting Persistence of Oncogenic HPV and Cervical Dysplasia in HIV Infected Kenyan Women Start of enrollment: 2015 Sep 21
COMPLETED
Study of Lonsurf in Combination With Gemcitabine and Nab-Paclitaxel in Patients With Advanced (PDAC) Start of enrollment: 2019 Sep 11
Terminated
Phase 1
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Publications & Presentations

PubMed

Lack of HIV suppression is associated with plasma aflatoxin B1 in Kenyan women living with HIV and receiving anti-retroviral therapy.
Philiph Tonui, Yan Tong, Omenge Orang'o, Kapten Muthoka, Peter Itsura
International Journal of STD & AIDS. 2025-07-01
National cancer control plans in Latin America and the Caribbean: challenges and future directions.
Cynthia Villarreal-Garza, Alejandro Aranda-Gutierrez, David G Gonzalez-Sanchez, Camila Bragança-Xavier, Gabriela Negrete-Tobar
The Lancet. Oncology. 2025-06-01
Scalable long-read Nanopore HPV16 Amplicon-based Whole-Genome Sequencing.
Maina K Titus, David Giesbrecht, Cliff I Oduor, Kapten Muthoka, Karamoko Niaré
Medrxiv. 2025-05-23

Press Mentions

Cardiovascular Risk Factors Play Greater Role in Adverse Outcomes in Thymic Cancer PatientsFebruary 25th, 2025
Empowering People with Cancer: A Q&A with Cancer.Net Editor in Chief Dr. Jyoti PatelJune 8th, 2021
Once-Trumpeted $150M Simon Cancer Center to Be Empty by 2026September 12th, 2020
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Grant Support

The East Africa Consortium for HPV and Cervical Cancer in Women living with HIV/AIDSINDIANA UNIVERSITY INDIANAPOLIS2020–2025
Eastern Cooperative Oncology GroupNational Cancer Institute1994–2012
Indiana University Melvin And Bren Simon Cancer Center Support GrantNational Cancer Institute2008–2011
Usa/Japan--Oral Uracil/Ftorafur+ Leucovorin In ColorectaNational Center For Research Resources2000–2002
Perillyl Alcohol In Resectable Pancreatic CancerNational Center For Research Resources2000–2002
LY231514 (Thymidylate Synthase Inhibitor) With Pancreatic CancerNational Center For Research Resources1996–1997