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Daniel A. Hamstra
Researcher at University of Michigan
Publications - 165
Citations - 6984
Daniel A. Hamstra is an academic researcher from University of Michigan. The author has contributed to research in topics: Prostate cancer & Radiation therapy. The author has an hindex of 40, co-authored 154 publications receiving 6265 citations. Previous affiliations of Daniel A. Hamstra include Oakland University & University of Münster.
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Journal ArticleDOI
Combined effect of tumor necrosis factor-related apoptosis-inducing ligand and ionizing radiation in breast cancer therapy.
Arul M. Chinnaiyan,Uttara Prasad,Sunita Shankar,Daniel A. Hamstra,Murthy Shanaiah,Thomas L. Chenevert,Brian D. Ross,Alnawaz Rehemtulla +7 more
TL;DR: It is demonstrated that ionizing radiation can sensitize breast carcinoma cells to TRAIL-induced apoptosis and support for combining radiation with TRAIL to improve tumor eradication and suggest that efficacy of apoptosis-inducing cancer therapies may be monitored noninvasively, using diffusion MRI.
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Diffusion magnetic resonance imaging: a biomarker for treatment response in oncology.
TL;DR: Diffusion magnetic resonance imaging is a technique that measures the mobility of water within tissues and may function as a surrogate marker for both tissue cellularity and response to treatment that occur earlier than usual measures of tumor response.
Journal ArticleDOI
Evaluation of the functional diffusion map as an early biomarker of time-to-progression and overall survival in high-grade glioma
Daniel A. Hamstra,Thomas L. Chenevert,Bradford A. Moffat,Timothy D. Johnson,Charles R. Meyer,Suresh K. Mukherji,Douglas J. Quint,Stephen S. Gebarski,Xiaoying Fan,Christina Tsien,Theodore S. Lawrence,Larry Junck,Alnawaz Rehemtulla,Brian D. Ross +13 more
TL;DR: Functional diffusion maps (fDM) provided an early biomarker for response, TTP, and OS in patients with malignant glioma and were correlated with the radiographic response, time-to-progression (TTP), and overall survival (OS).
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Contemporary Update of a Multi-Institutional Predictive Nomogram for Salvage Radiotherapy After Radical Prostatectomy
Rahul D. Tendulkar,Shree Agrawal,Tianming Gao,Jason A. Efstathiou,Thomas M. Pisansky,Jeff M. Michalski,Bridget F. Koontz,Daniel A. Hamstra,Felix Y. Feng,Stanley L. Liauw,Matthew C. Abramowitz,Alan Pollack,Mitchell S. Anscher,Drew Moghanaki,Drew Moghanaki,Robert B. Den,Kevin L. Stephans,Anthony L. Zietman,W. Robert Lee,Michael W. Kattan,Andrew J. Stephenson +20 more
TL;DR: Early SRT at low PSA levels after RP is associated with improved freedom from biochemical failure and distant metastases rates, and on multivariable analysis, pre-SRT PSA, GS, EPE, SVI, surgical margins, ADT use, and SRT dose were associated with FFBF.
Journal ArticleDOI
Prediction of Erectile Function Following Treatment for Prostate Cancer
Mehrdad Alemozaffar,Meredith M. Regan,Matthew R. Cooperberg,John T. Wei,Jeff M. Michalski,Howard M. Sandler,Larry Hembroff,Natalia Sadetsky,Christopher S. Saigal,Mark S. Litwin,Eric A. Klein,Adam S. Kibel,Daniel A. Hamstra,Louis L. Pisters,Deborah A. Kuban,Irving D. Kaplan,David P. Wood,Jay P. Ciezki,Rodney L. Dunn,Peter R. Carroll,Martin G. Sanda +20 more
TL;DR: Pretreatment sexual HRQOL score, age, serum prostate-specific antigen level, race/ethnicity, body mass index, and intended treatment details were associated with functional erections 2 years after treatment.