John A Kalapurakal

  • 1949 Citations
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Personal profile

Research Interests

Primary research interests are in adult and pediatric genito-urinary and CNS cancers including prostate cancer, Wilms tumor and brain tumors. The other areas of interest include development of novel therapies for recurrent tumors including prostate, brain, sarcomas, Wilms tumor and neuroblastoma. Radiosurgery, hyperthermia,intra-operative radiation therapy, brachytherapy, novel IMRT techniques, proton therapy and nanoparticle-mediated delivery of novel radiosensitizing therapy are areas of ongoing clinical and basic research.

Certifications and Licenses

Radiation Oncology

Training Experience

1993Residency, Erlanger Medical Center
1997Residency, Temple University Hospital

Education/Academic qualification

MD, Medical College Kottayam, India

… → 1988


  • Brain Cancer / Nervous System Cancer
  • Kidney Cancer / Urinary Tract Cancer
  • Pediatrics
  • Prostate Cancer
  • Radiation Oncology
  • Urology

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Wilms Tumor Medicine & Life Sciences
Radiotherapy Medicine & Life Sciences
radiation therapy Physics & Astronomy
Radiosurgery Medicine & Life Sciences
tumors Physics & Astronomy
Neoplasms Medicine & Life Sciences
Histology Medicine & Life Sciences
Recurrence Medicine & Life Sciences

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Grants 2008 2022

Prostatic Neoplasms
Wilms Tumor
Radiation Oncology
Diagnostic Imaging

Research Output 1997 2019

1 Citation (Scopus)

Cardiac-Sparing Whole Lung IMRT in Patients With Pediatric Tumors and Lung Metastasis: Final Report of a Prospective Multicenter Clinical Trial

Kalapurakal, J. A., Gopalakrishnan, M., Walterhouse, D. O., Rigsby, C. K., Rademaker, A. W., Helenowski, I., Kessel, S., Morano, K., Laurie, F., Ulin, K., Esiashvili, N., Katzenstein, H., Marcus, K., Followill, D. S., Wolden, S. L., Mahajan, A. & Fitzgerald, T. J., Jan 1 2019, In : International Journal of Radiation Oncology Biology Physics. 103, 1, p. 28-37 10 p.

Research output: Contribution to journalArticle

Multicenter Studies
radiation therapy
Wilms Tumor
Thyroid Gland

Higher Reported Lung Dose Received During Total Body Irradiation for Allogeneic Hematopoietic Stem Cell Transplantation in Children With Acute Lymphoblastic Leukemia Is Associated With Inferior Survival: A Report from the Children's Oncology Group

Esiashvili, N., Lu, X., Ulin, K., Laurie, F., Kessel, S., Kalapurakal, J. A., Merchant, T. E., Followill, D. S., Sathiaseelan, V., Schmitter, M. K., Devidas, M., Chen, Y., Wall, D. A., Brown, P. A., Hunger, S. P., Grupp, S. A. & Pulsipher, M. A., Jul 1 2019, In : International Journal of Radiation Oncology Biology Physics. 104, 3, p. 513-521 9 p.

Research output: Contribution to journalArticle

stem cells
Whole-Body Irradiation
Hematopoietic Stem Cell Transplantation

Impact of cyclophosphamide and etoposide on outcome of clear cell sarcoma of the kidney treated on the National Wilms Tumor Study-5 (NWTS-5)

Seibel, N. L., Chi, Y. Y., Perlman, E. J., Tian, J., Sun, J., Anderson, J. R., Ritchey, M. L., Thomas, P. R., Miser, J., Kalapurakal, J. A., Grundy, P. E. & Green, D. M., Jan 1 2019, In : Pediatric Blood and Cancer. 66, 1, e27450.

Research output: Contribution to journalArticle

Clear Cell Sarcoma
Disease-Free Survival

In Memoriam: Giulio D'Angio, MD, May 2, 1922-September 14, 2018

Maris, J. M., Perilongo, G., Halperin, E. C., D'Angio, C. T., Carrie, C., Thomas, P., Kalapurakal, J. A. & Marcus, K. J., Jul 1 2019, In : International Journal of Radiation Oncology Biology Physics. 104, 3, p. 478-480 3 p.

Research output: Contribution to journalEditorial

Open Access