TimothyJHobdayMD

Oncology • Rochester, MN

Assistant Professor, Oncology, Mayo Medical School

Join to view full profile

Dr. Hobday is on Doximity

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

Connect with other colleagues in the same hospital or clinic
Search all U.S. specialist profiles and refer a patient
Read the latest clinical news and earn CME/CEU credits

See Dr. Hobday's full profile

Already have an account?

Office
200 1st Street SW
Rochester, MN 55905
Is this information wrong?

Education & Training

Mayo Clinic College of Medicine and Science (Rochester)Fellowship, Hematology and Medical Oncology, 1997 - 2001
Mayo Clinic College of Medicine and Science (Rochester)Residency, Internal Medicine, 1994 - 1997
Mayo Clinic College of MedicineClass of 1994

Certifications & Licensure

AZ State Medical License 1997 - Present
MN State Medical License 1995 - 2024
American Board of Internal Medicine Medical Oncology

Clinical Trials

Gefitinib in Treating Patients With Progressive Metastatic Neuroendocrine Tumors Start of enrollment: 2003 Dec 01
Completed
Phase 2
ABI-007 (Nab-Paclitaxel) and Gemcitabine in Treating Women With Metastatic Breast Cancer Start of enrollment: 2005 Aug 01
Completed
Phase 2
Sorafenib Tosylate in Treating Patients With Progressive Metastatic Neuroendocrine Tumors Start of enrollment: 2005 Jun 01
Completed
Phase 2
Paclitaxel Poliglumex and Capecitabine in Treating Patients With Metastatic Breast Cancer Start of enrollment: 2006 Feb 01
Completed
Phase 2
Irinotecan and Cetuximab in Treating Patients With Metastatic Breast Cancer Start of enrollment: 2006 Feb 01
Completed
Phase 2
A Phase III Randomized Trial of Metformin vs Placebo in Early Stage Breast Cancer Start of enrollment: 2010 Aug 13
Completed
Phase 3
Dovitinib Lactate in Treating Patients With Pancreatic Neuroendocrine Tumors Start of enrollment: 2014 Oct 01
Withdrawn
Phase 2
Comparing Capecitabine and Temozolomide in Combination to Lutetium Lu 177 Dotatate in Patients With Advanced Pancreatic Neuroendocrine Tumors Start of enrollment: 2022 Mar 16
Recruiting
Phase 2
Roles: Contact
Join now to see all

Publications & Presentations

PubMed

Spectrum of therapy-related clonal cytopenias and neoplasms after exposure to Lutetium-177-Dotatate.
Kendi, A., Pritzl, S., Kusne, Y., Halfdanarson, T., Hobday, T., Sonbol, M., Mangaonkar, A., Gangat, N., Shah, M., Patnaik, M.> ;Leukemia Research. 2024 Jan 1
Preparing Hematology/Oncology Fellows for Success: Implementing an Annual Career Development and Research Retreat.
Akeem R Lewis, Grace M Choong, Elizabeth Cathcart-Rake, Narjust Florez, Urshila Durani, Siddhartha Yadav, Harry Fuentes, Karl Sorensen, Daniel S Childs, Antoine Saliba...> ;Journal of Cancer Education. 2024 Feb 1
3 citations
Adherence to Cancer Prevention Lifestyle Recommendations Before, During, and 2 Years After Treatment for High-risk Breast Cancer.
Rikki A Cannioto, Kristopher M Attwood, Evan W Davis, Lucas A Mendicino, Alan Hutson, Gary R Zirpoli, Li Tang, Nisha M Nair, William Barlow, Dawn L Hershman, Joseph M ...> ;JAMA Network Open. 2023 May 1
1 citations
Efficacy of first-line checkpoint inhibitors in combination with chemotherapy in high-grade extrapulmonary metastatic neuroendocrine carcinomas.
Patrick W McGarrah, Konstantinos Leventakos, Mohamad B Sonbol, Jason S Starr, Rachel A Eiring, Timothy J Hobday, Thorvardur R Halfdanarson, Jennifer J Gile> ;Journal of Neuroendocrinology. 2023 May 1
1 citations
Evaluation of Hepatotoxicity from Peptide Receptor Radionuclide Therapy in Patients with Gastroenteropancreatic Neuroendocrine Tumors and a Very High Liver Tumor Burden.
Denise A Gococo-Benore, Justin Kuhlman, Ephraim E Parent, Akash Sharma, Joseph Accurso, Ming Yang, Ayse Tuba Kendi, Geoff Johnson, Mohamad Bassam Sonbol, Timothy Hobda...> ;Journal of Nuclear Medicine. 2023 Jun 1
8 citations
Evaluation of Alisertib Alone or Combined With Fulvestrant in Patients With Endocrine-Resistant Advanced Breast Cancer: The Phase 2 TBCRC041 Randomized Clinical Trial.
Tufia C Haddad, Vera J Suman, Antonino B D'Assoro, Jodi M Carter, Karthik V Giridhar, Brendan P McMenomy, Katelyn Santo, Erica L Mayer, Meghan S Karuturi, Aki Morikawa...> ;JAMA Oncology. 2023 Jun 1
4 citations
Clinical management of metastatic hormone receptor-positive, HER2-negative breast cancer (MBC) after CDK 4/6 inhibitors: a retrospective single-institution study.
Grace M Choong, Savannah Liddell, Roberto A Leon Ferre, Ciara C O'Sullivan, Kathryn J Ruddy, Tufia C Haddad, Timothy J Hobday, Prema P Peethambaram, Minetta C Liu, Mat...> ;Breast Cancer Research and Treatment. 2022 Nov 1
6 citations
Survival and Incidence Patterns of Pancreatic Neuroendocrine Tumors Over the Last 2 Decades: A SEER Database Analysis.
Mohamad Bassam Sonbol, Gina L Mazza, Lanyu Mi, Thomas Oliver, Jason Starr, Hallbera Gudmundsdottir, Sean P Cleary, Timothy Hobday, Thorvardur R Halfdanarson> ;The Oncologist. 2022 Jul 5
67 citations
Effect of Metformin vs Placebo on Invasive Disease-Free Survival in Patients With Breast Cancer: The MA.32 Randomized Clinical Trial.
Pamela J Goodwin, Bingshu E Chen, Karen A Gelmon, Timothy J Whelan, Marguerite Ennis, Julie Lemieux, Jennifer A Ligibel, Dawn L Hershman, Ingrid A Mayer, Timothy J Hob...> ;JAMA. 2022 May 24
4 citations
Assessment of Discrimination, Bias, and Inclusion in a United States Hematology and Oncology Fellowship Program.
Rahma Warsame, Gladys B. Asiedu, Ashok Kumbamu, Joselle Cook, Sharonne N. Hayes, Carrie A. Thompson, Timothy J. Hobday, Katharine A. Price> ;JAMA Network Open. 2021 Nov 1
4 citations
Cancer Antigen 15-3/Mucin 1 Levels in CCTG MA.32: A Breast Cancer Randomized Trial of Metformin vs Placebo.
Pamela J. Goodwin, Ryan J. O. Dowling, Marguerite Ennis, Bingshu E. Chen, Wendy R. Parulekar, Lois E. Shepherd, Karen A. Gelmon, Timothy J. Whelan, Jennifer A. Ligibel...> ;JNCI Cancer Spectrum. 2021 Sep 1
14 citations
Effect of metformin versus placebo on metabolic factors in the MA.32 randomized breast cancer trial.
Pamela J. Goodwin, Ryan J. O. Dowling, Marguerite Ennis, Bingshu E. Chen, Wendy R. Parulekar, Lois E. Shepherd, Margot J. Burnell, Rachel Vander Meer, Andrea Molckovsk...> ;NPJ Breast Cancer. 2021 Jun 8
11 citations
Efficacy of Checkpoint Inhibitors in Neuroendocrine Neoplasms: Mayo Clinic Experience.
Jennifer Gile, Alex J. Liu, Patrick W. McGarrah, Rachel A. Eiring, Timothy J. Hobday, Jason S. Starr, Mohamad Bassam Sonbol, Thorvardur R. Halfdanarson> ;Pancreas. 2021 Apr 1
2 citations
Bowel Obstruction as a Complication of Peptide Receptor Radionuclide Therapy (PRRT).
Christopher E. Wee, Ayca Dundar, Rachel A. Eiring, Mohamed Badawy, Timothy J. Hobday, A Tuba Kendi, Annie T. Packard, Thorvardur R. Halfdanarson> ;Journal of Nuclear Medicine. 2021 Mar 1
5 citations
Percutaneous Image-Guided Core Needle Biopsy of Neuroendocrine Tumors: How Common Is Intraprocedural Carcinoid Crisis?
Samuel Jang, John J. Schmitz, Thomas D. Atwell, Tasha L. Welch, Brian T. Welch, Timothy J. Hobday, Daniel A. Adamo, Michael R. Moynagh> ;Journal of Vascular and Interventional Radiology. 2021 Feb 16
5 citations
The Effect of Metformin vs Placebo on Sex Hormones in Canadian Cancer Trials Group MA.32.
Isabel Pimentel, Bingshu E Chen, Ana Elisa Lohmann, Marguerite Ennis, Jennifer Ligibel, Lois Shepherd, Dawn L Hershman, Timothy Whelan, Vuk Stambolic, Ingrid Mayer, Ti...> ;Journal of the National Cancer Institute. 2021 Feb 1
1 citations
Pilot Study Characterizing the Hematology-Oncology Fellow Job Search Process: Tools Used and Identification of Potential New Resources.
Ariela L. Marshall, Thorvardur R. Halfdanarson, Hassan B. Alkhateeb, Timothy J. Hobday> ;Journal of Cancer Education. 2021 Jan 30
23 citations
Treatment Outcomes of Well-Differentiated High-Grade Neuroendocrine Tumors.
Alex J. Liu, Benjamin E. Ueberroth, Patrick W. McGarrah, Skye A. Buckner Petty, Ayse Tuba Kendi, Jason S. Starr, Timothy J. Hobday, Thorvardur R. Halfdanarson, Mohamad...> ;The Oncologist. 2021 May 1
83 citations
Physical Activity Before, During, and After Chemotherapy for High-Risk Breast Cancer: Relationships With Survival.
Rikki Cannioto, Alan D. Hutson, Shruti G. Dighe, William E. McCann, Susan E. McCann, Gary Zirpoli, William E. Barlow, Kara M. Kelly, Carol A DeNysschen, Dawn L. Hershm...> ;Journal of the National Cancer Institute. 2021 Jan 4
6 citations
Neuroendocrine Carcinoma of the Anus and Rectum: Patient Characteristics and Treatment Options.
Benjamin E. Ueberroth, Alex J. Liu, Jason S. Starr, Timothy J. Hobday, Jonathan B. Ashman, Nitin Mishra, Tanios Bekaii-Saab, Thorvardur R. Halfdanarson, M. Bassam Sonbol> ;Clinical Colorectal Cancer. 2021 Jun 1
2 citations
Homologous Recombination Repair Defect May Predict Treatment Response to Peptide Receptor Radionuclide Therapy for Neuroendocrine Tumors
Mojun Zhu, Mohamad Bassam Sonbol, Thorvardur R. Halfdanarson, Timothy J. Hobday, Daniel H. Ahn, Wen Wee Ma, Tanios Bekaii-Saab> ;The Oncologist. 2020 Aug 1
1 citations
Holistic review for hematology-oncology fellowship applicants: A new paradigm?
Ariela L. Marshall, Thorvardur R. Halfdanarson, Grzegorz S. Nowakowski, Martha Q. Lacy, Carrie A. Thompson, Timothy J. Hobday> ;American Journal of Hematology. 2020 Jul 6
The effect of metformin vs placebo on sex hormones in CCTG MA.32.
Isabel Pimentel, Bingshu E Chen, Ana Elisa Lohmann, Marguerite Ennis, Jennifer Ligibel, Lois Shepherd, Dawn L Hershman, Timothy Whelan, Vuk Stambolic, Ingrid Mayer, Ti...> ;Journal of the National Cancer Institute. 2020 Jun 4
22 citations
Peptide Receptor Radionuclide Therapy for the Treatment of Pancreatic Neuroendocrine Tumors: Recent Insights.
Jason S. Starr, Mohamad Bassam Sonbol, Timothy J. Hobday, Akash Sharma, Ayse Tuba Kendi, Thorvardur R. Halfdanarson> ;Oncotargets and Therapy. 2020 Apr 28
3 citations
A randomized phase II trial evaluating two non-pharmacologic interventions in cancer survivors for the treatment of sleep-wake disturbances: NCCTG N07C4 (Alliance)
Debra L. Barton, Pamela J. Atherton, Daniel Satele, Rui Qin, Shaker R. Dakhil, Teri Britt Pipe, Timothy J. Hobday, Kelli Fee-Schroeder, Charles L. Loprinzi> ;Supportive Care in Cancer. 2020 Apr 19
Join now to see all