Research Topics
| Alexei TrofimovSummaryAffiliation: Massachusetts General Hospital Country: USA Publications
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Detail Information
Publications
Beam delivery sequencing for intensity modulated proton therapyAlexei Trofimov
Northeast Proton Therapy Center Massachusetts General Hospital, Boston, MA 02114, USA
Phys Med Biol 48:1321-31. 2003....
Optimization of beam parameters and treatment planning for intensity modulated proton therapyAlexei Trofimov
Department of Radiation Oncology, Massachusetts General Hospital, 30 Fruit Street, Boston, MA 02114, USA
Technol Cancer Res Treat 2:437-44. 2003..Possibilities have been investigated for improving the proton dose conformity by optimizing the beam and scanning nozzle parameters, and by taking the specifics and limitations of the system into account in the treatment planning stage...
Interfractional variations in the setup of pelvic bony anatomy and soft tissue, and their implications on the delivery of proton therapy for localized prostate cancerAlexei Trofimov
Department of Radiation Oncology, Massachusetts General Hospital, Boston, MA 02114, USA
Int J Radiat Oncol Biol Phys 80:928-37. 2011....
Temporo-spatial IMRT optimization: concepts, implementation and initial resultsAlexei Trofimov
Department of Radiation Oncology, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114, USA
Phys Med Biol 50:2779-98. 2005....
Tumor trailing strategy for intensity-modulated radiation therapy of moving targetsAlexei Trofimov
Department of Radiation Oncology, Massachusetts General Hospital, Boston, Massachusetts 02114, USA
Med Phys 35:1718-33. 2008..g., peak-to-peak motion of less than 10 mm). The mechanical limitations of implementing tumor trailing are less rigorous than those of real-time tracking, and the same technology could be used for both...
Radiotherapy treatment of early-stage prostate cancer with IMRT and protons: a treatment planning comparisonAlexei Trofimov
Department of Radiation Oncology, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114, USA
Int J Radiat Oncol Biol Phys 69:444-53. 2007..To compare intensity-modulated photon radiotherapy (IMRT) with three-dimensional conformal proton therapy (3D-CPT) for early-stage prostate cancer, and explore the potential utility of intensity-modulated proton therapy (IMPT)...
Should positive phase III clinical trial data be required before proton beam therapy is more widely adopted? NoHerman Suit
Department of Radiation Oncology, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114, USA
Radiother Oncol 86:148-53. 2008..Evaluate the rationale for the proposals that prior to a wider use of proton radiation therapy there must be supporting data from phase III clinical trials. That is, would less dose to normal tissues be an advantage to the patient?..
Variations in linear energy transfer within clinical proton therapy fields and the potential for biological treatment planningClemens Grassberger
Department of Radiation Oncology, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114, USA
Int J Radiat Oncol Biol Phys 80:1559-66. 2011..These distributions can be used to identify areas of elevated or diminished biological effect. The location of such areas might be influenced in intensity-modulated proton therapy (IMPT) optimization...
Rectal dose-volume histogram parameters are associated with long-term patient-reported gastrointestinal quality of life after conventional and high-dose radiation for prostate cancer: a subgroup analysis of a randomized trialPaul L Nguyen
Department of Radiation Oncology, Dana Farber Cancer Institute and Brigham and Women s Hospital, Harvard Medical School, Boston, MA 02115, USA
Int J Radiat Oncol Biol Phys 78:1081-5. 2010..2 GyE) or high-dose (79.2 GyE) radiation for prostate cancer...
Proton beams to replace photon beams in radical dose treatmentsHerman Suit
Department of Radiation Oncology, Massachusetts General Hospital, Harvard Medical School, Boston 02114, USA
Acta Oncol 42:800-8. 2003..5 provided there were to be no charge for the original facility and that there were sufficient patients for operating on an extended schedule (6-7 days of 14-16 h) with > or = two gantries and one fixed horizontal beam...
Proton radiotherapy for pediatric central nervous system germ cell tumors: early clinical outcomesShannon M Macdonald
Department of Radiation Oncology, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02114, USA
Int J Radiat Oncol Biol Phys 79:121-9. 2011....
Including robustness in multi-criteria optimization for intensity-modulated proton therapyWei Chen
Department of Radiation Oncology, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114, USA
Phys Med Biol 57:591-608. 2012....
Proton vs carbon ion beams in the definitive radiation treatment of cancer patientsHerman Suit
Department of Radiation Oncology, Boston, MA, USA
Radiother Oncol 95:3-22. 2010..The principal differences are LET, low for (1)H and high for (12)C, and a narrower penumbra of (12)C beams. Were (12)C to yield a higher TCP for a defined NTCP than (1)H therapy, would LET, fractionation or penumbra width be the basis?..
Breathing interplay effects during proton beam scanning: simulation and statistical analysisJoao Seco
Department of Radiation Oncology, Harvard Medical School and Massachusetts General Hospital, Boston, MA, USA
Phys Med Biol 54:N283-94. 2009..5 x 8.5 x 10 cm(3). For smaller tumor volumes more repaintings will be required, while for larger volumes five repaintings should be sufficient to achieve the required dose accuracy...
Maximizing the biological effect of proton dose delivered with scanned beams via inhomogeneous daily dose distributionsChuan Zeng
Department of Radiation Oncology, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts 02114
Med Phys 40:051708. 2013..IFD distributions are characterized by a dose gradient located in proximity of the prostate's midplane, thus, the fidelity of delivery would depend crucially on the precision with which the proton range could be controlled...
Early clinical outcomes using proton radiation for children with central nervous system atypical teratoid rhabdoid tumorsKaren De Amorim Bernstein
Department of Radiation Oncology, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts
Int J Radiat Oncol Biol Phys 86:114-20. 2013..Irradiation improves survival but has traditionally been avoided in patients under the age of 3 due to the increasing risk of neurocognitive side effects. We report the first cohort of AT/RT patients treated with proton therapy...
Proton-beam vs intensity-modulated radiation therapy. Which is best for treating prostate cancer?Paul L Nguyen
Department of Radiation Oncology, Massachusetts General Hospital, Harvard Medical School, MA 02114, USA
Oncology (Williston Park) 22:748-54; discussion 754, 757. 2008..In this article, we review the current status of the evidence supporting the use of protons in prostate cancer and discuss the active controversies that surround this modality...
Proton radiotherapy for childhood ependymoma: initial clinical outcomes and dose comparisonsShannon M Macdonald
Department of Radiation Oncology, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02114, USA
Int J Radiat Oncol Biol Phys 71:979-86. 2008....
Clinical controversies: proton therapy for prostate cancerKent W Mouw
Harvard Radiation Oncology Program, Boston, MA, USA
Semin Radiat Oncol 23:109-14. 2013..We review the available evidence and present the current state of proton beam therapy for prostate cancer...
MO-A-213AB-09: Hypofractionated Proton Therapy of the Prostate: The Impact of the Uncertainties in Dose Delivery and Alpha/Beta Ratio on Tumor Dose EscalationYi Wang
Francis H Burr Proton Therapy Center, Massachusetts General Hospital, Harvard Medical School, Boston, MA
Med Phys 39:3860-1. 2012..0 Gy, and is of minimal concern to hypofractionated proton therapy. This study was supported by the Federal Share of program income earned by Massachusetts General Hospital on C06-CA059267, Proton Therapy Research and Treatment Center...
A unified approach for inversion problems in intensity-modulated radiation therapyYair Censor
Department of Mathematics, University of Haifa, Mt Carmel, Haifa 31905, Israel
Phys Med Biol 51:2353-65. 2006..We present computational results that demonstrate the validity of the model and the power of the proposed algorithmic scheme...
