Faculty

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Leo Mascarenhas, MD
Associate Professor of Clinical Pediatrics
Section Head, Oncology
Director Solid Tumor Program
Director of Clinical Trials office
Pediatrics
CHL 4650 W Sunset Boulevard Off Campus Los Angeles
+1 323 361 2529

Overview

Leo Mascarenhas, MD is director of the Clinical Trials Office in the Children’s Center for Cancer and Blood Diseases and Principal Investigator for the National Cancer Institute funded Children’s Oncology Group grant at Children’s Hospital Los Angeles. He is an associate professor of Clinical Pediatrics at the Keck School of Medicine of the University of Southern California.

Childhood cancer is the leading cause of disease-related death in pediatrics in the United States. Dr. Mascarenhas and his team's research focuses on developmental therapeutics for patients with bone and soft tissue sarcomas. Despite the remarkable progress made in the treatment of childhood cancer in the last four decades, improved therapies are still needed for our patients with a poor prognosis and less toxic therapies for those destined to survive. This can be accomplished only through basic, translational and clinical research.

Publications

Mascarenhas L, Felgenhauer JL, Bond MC, Villaluna D, Femino JD, Laack NN, Ranganathan S, Meyer J, Womer RB, Gorlick R, Krailo MD, Marina N. Pilot Study of Adding Vincristine, Topotecan, and Cyclophosphamide to Interval-Compressed Chemotherapy in Newly Diagnosed Patients With Localized Ewing Sarcoma: A Report From the Children's Oncology Group. Pediatr Blood Cancer. 2016 Mar; 63(3):493-8. View in: PubMed

Reed DR, Mascarenhas L, Manning K, Hale GA, Goldberg J, Gill J, Sandler E, Isakoff MS, Smith T, Caracciolo J, Lush RM, Juan TH, Lee JK, Neuger AM, Sullivan DM. Pediatric phase I trial of oral sorafenib and topotecan in refractory or recurrent pediatric solid malignancies. Cancer Med. 2016 Feb; 5(2):294-303. View in: PubMed

De A, Mascarenhas L, Kamath S, LaRiviere A, Goodarzian F, Keens TG, Venkatramani R. Pilot Feasibility Study of Comprehensive Pulmonary Evaluation Following Lung Radiation Therapy. J Pediatr Hematol Oncol. 2015 Oct; 37(7):e412-8. View in: PubMed

Chien MC, Mascarenhas L, Hammoudeh JA, Venkatramani R. Zoledronic Acid for the Treatment of Children With Refractory Central Giant Cell Granuloma. J Pediatr Hematol Oncol. 2015 Aug; 37(6):e399-401. View in: PubMed

Venkatramani R, Triche TJ, Wang L, Shimada H, Mascarenhas L. Insulin-like Growth Factor 2 Gene Expression Molecularly Differentiates Pleuropulmonary Blastoma and Embryonal Rhabdomyosarcoma. J Pediatr Hematol Oncol. 2015 Aug; 37(6):e356-60. View in: PubMed

De A, Kamath S, Wong K, Olch AJ, Malvar J, Sposto R, Mascarenhas L, Keens TG, Venkatramani R. Correlation of pulmonary function abnormalities with dose volume histograms in children treated with lung irradiation. Pediatr Pulmonol. 2015 Jun; 50(6):596-603. View in: PubMed

Bhatia S, Landier W, Hageman L, Chen Y, Kim H, Sun CL, Kornegay N, Evans WE, Angiolillo AL, Bostrom B, Casillas J, Lew G, Maloney KW, Mascarenhas L, Ritchey AK, Termuhlen AM, Carroll WL, Wong FL, Relling MV. Systemic Exposure to Thiopurines and Risk of Relapse in Children With Acute Lymphoblastic Leukemia: A Children's Oncology Group Study. JAMA Oncol. 2015 Jun 1; 1(3):287-95. View in: PubMed

Chan R, Mascarenhas L, Boles RG, Kerkar N, Genyk Y, Venkatramani R. Hepatoblastoma in a patient with methylmalonic aciduria. Am J Med Genet A. 2015 Mar; 167(3):635-8. View in: PubMed

Tran HC, Marachelian A, Venkatramani R, Jubran RF, Mascarenhas L. Oxaliplatin and Doxorubicin for relapsed or refractory high-risk neuroblastoma. Pediatr Hematol Oncol. 2015 Feb; 32(1):26-31. View in: PubMed

HaDuong JH, Martin AA, Skapek SX, Mascarenhas L. Sarcomas. Pediatr Clin North Am. 2015 Feb; 62(1):179-200. View in: PubMed

Zhou S, Gomulia E, Mascarenhas L, Wang L. Is INI1-retained small cell undifferentiated histology in hepatoblastoma unfavorable? Hum Pathol. 2015 Jan 14. View in: PubMed

Armenian SH, Gelehrter SK, Vase T, Venkatramani R, Landier W, Wilson KD, Herrera C, Reichman L, Menteer JD, Mascarenhas L, Freyer DR, Venkataraman K, Bhatia S. Screening for cardiac dysfunction in anthracycline-exposed childhood cancer survivors. Clin Cancer Res. 2014 Dec 15; 20(24):6314-23. View in: PubMed

Su A, Low L, Li X, Zhou S, Mascarenhas L, Barnhill RL. De novo congenital melanoma: analysis of 2 cases with array comparative genomic hybridization. Am J Dermatopathol. 2014 Nov; 36(11):915-9. View in: PubMed

De A, Guryev I, LaRiviere A, Kato R, Wee CP, Mascarenhas L, Keens TG, Venkatramani R. Pulmonary function abnormalities in childhood cancer survivors treated with bleomycin. Pediatr Blood Cancer. 2014 Sep; 61(9):1679-84. View in: PubMed

Chan R, Mascarenhas L, Venkatramani R. Hepatoblastoma and hypoplastic kidneys: A new association. Pediatr Blood Cancer. 2014 Aug; 61(8):1476-8. View in: PubMed

Venkatramani R, Shoureshi P, Malvar J, Zhou S, Mascarenhas L. High dose alkylator therapy for extracranial malignant rhabdoid tumors in children. Pediatr Blood Cancer. 2014 Aug; 61(8):1357-61. View in: PubMed

Venkatramani R, Kamath S, Wong K, Olch AJ, Malvar J, Sposto R, Goodarzian F, Freyer DR, Keens TG, Mascarenhas L. Pulmonary outcomes in patients with Hodgkin lymphoma treated with involved field radiation. Pediatr Blood Cancer. 2014 Jul; 61(7):1277-81. View in: PubMed

Venkatramani R, Mascarenhas L. Successful treatment of recurrent metastatic nasopharyngeal carcinoma with oxaliplatin and Doxorubicin. J Pediatr Hematol Oncol. 2014 Jul; 36(5):e307-9. View in: PubMed

Armenian SH, Gelehrter SK, Vase T, Venkatramani R, Landier W, Wilson KD, Herrera C, Reichman L, Menteer JD, Mascarenhas L, Freyer DR, Venkataraman K, Bhatia S. Carnitine and cardiac dysfunction in childhood cancer survivors treated with anthracyclines. Cancer Epidemiol Biomarkers Prev. 2014 Jun; 23(6):1109-14. View in: PubMed

Puliyel MM, Mascarenhas L, Zhou S, Sapra A, Dal Cin P, French CA, Venkatramani R. Nuclear protein in testis midline carcinoma misdiagnosed as adamantinoma. J Clin Oncol. 2014 May 20; 32(15):e57-60. View in: PubMed

Venkatramani R, Malogolowkin MH, Mascarenhas L. Treatment of multiply relapsed wilms tumor with vincristine, irinotecan, temozolomide and bevacizumab. Pediatr Blood Cancer. 2014 Apr; 61(4):756-9. View in: PubMed

Shah R, Tran HC, Randolph L, Mascarenhas L, Venkatramani R. Hepatoblastoma in a 15-month-old female with trisomy 13. Am J Med Genet A. 2014 Feb; 164(2):472-5. View in: PubMed

Mehta B, Mascarenhas L, Zhou S, Wang L, Venkatramani R. Inflammatory myofibroblastic tumors in childhood. Pediatr Hematol Oncol. 2013 Oct; 30(7):640-5. View in: PubMed

Venkatramani R, Kamath S, Wong K, Olch AJ, Malvar J, Sposto R, Goodarzian F, Freyer DR, Keens TG, Mascarenhas L. Correlation of clinical and dosimetric factors with adverse pulmonary outcomes in children after lung irradiation. Int J Radiat Oncol Biol Phys. 2013 Aug 1; 86(5):942-8. View in: PubMed

Mascarenhas L, Malogolowkin M, Armenian SH, Sposto R, Venkatramani R. A phase I study of oxaliplatin and doxorubicin in pediatric patients with relapsed or refractory extracranial non-hematopoietic solid tumors. Pediatr Blood Cancer. 2013 Jul; 60(7):1103-7. View in: PubMed

Arkader A, Myung KS, Stanley P, Mascarenhas L. Ewing sarcoma of the tibia mimicking fibrous dysplasia. J Pediatr Orthop B. 2013 May; 22(3):222-7. View in: PubMed

Ibrahim DA, Mascarenhas L, Tovar JP, Arkader A. Orthopaedic case of the month: A 14-year-old boy with a medial thigh soft tissue mass. Clin Orthop Relat Res. 2013 May; 471(5):1433-8. View in: PubMed

Venkatramani R, Malogolowkin M, Davidson TB, May W, Sposto R, Mascarenhas L. A phase I study of vincristine, irinotecan, temozolomide and bevacizumab (vitb) in pediatric patients with relapsed solid tumors. PLoS One. 2013; 8(7):e68416. View in: PubMed

Venkatramani R, Wang L, Malvar J, Dias D, Sposto R, Malogolowkin MH, Mascarenhas L. Tumor necrosis predicts survival following neo-adjuvant chemotherapy for hepatoblastoma. Pediatr Blood Cancer. 2012 Sep; 59(3):493-8. View in: PubMed

Venkatramani R, Malogolowkin MH, Wang L, Mascarenhas L. Pleuropulmonary Blastoma: A Single-institution Experience. J Pediatr Hematol Oncol. 2012 Jul; 34(5):e182-5. View in: PubMed

Venkatramani R, Olch AJ, Mascarenhas L, Yoon S, Suterwala B, Mehta B, Wong K. Correlation of long-term pulmonary injury with radiation dose distribution in childhood cancer survivors. Pract Radiat Oncol. 2012 Jul-Sep; 2(3):237-40. View in: PubMed

Bhatia S, Landier W, Shangguan M, Hageman L, Schaible AN, Carter AR, Hanby CL, Leisenring W, Yasui Y, Kornegay NM, Mascarenhas L, Ritchey AK, Casillas JN, Dickens DS, Meza J, Carroll WL, Relling MV, Wong FL. Nonadherence to Oral Mercaptopurine and Risk of Relapse in Hispanic and Non-Hispanic White Children With Acute Lymphoblastic Leukemia: A Report From the Children's Oncology Group. J Clin Oncol. 2012 Jun 10; 30(17):2094-101. View in: PubMed

Hingorani P, Seidel K, Krailo M, Mascarenhas L, Meyers P, Marina N, Conrad EU, Hawkins DS. Body mass index (BMI) at diagnosis is associated with surgical wound complications in patients with localized osteosarcoma: a report from the Children's Oncology Group. Pediatr Blood Cancer. 2011 Dec 1; 57(6):939-42. View in: PubMed

Venkatramani R, Ma NS, Pitukcheewanont P, Malogolowkin MH, Mascarenhas L. Gorham's disease and diffuse lymphangiomatosis in children and adolescents. Pediatr Blood Cancer. 2011 Apr; 56(4):667-70. View in: PubMed

Mascarenhas L, Bond MC, Seibel NL. Expanded Access Through Cancer Trials Support Unit to Children's Oncology Group Sarcoma Trial AEWS1031 for Adolescents and Young Adults. J Adolesc Young Adult Oncol. 2011 Mar; 1(1):61-3. View in: PubMed

Mascarenhas L, Lyden ER, Breitfeld PP, Walterhouse DO, Donaldson SS, Paidas CN, Parham DM, Anderson JR, Meyer WH, Hawkins DS. Randomized phase II window trial of two schedules of irinotecan with vincristine in patients with first relapse or progression of rhabdomyosarcoma: a report from the Children's Oncology Group. J Clin Oncol. 2010 Oct 20; 28(30):4658-63. View in: PubMed

Rovelo MO, Kim R, Mascarenhas L, Hammoudeh J, Urata MM. Recurrent and refractory giant cell tumor of the jaw. J Craniofac Surg. 2009 Nov; 20(6):2245-8. View in: PubMed

Imran H, Enders F, Krailo M, Sim F, Okuno S, Hawkins D, Neglia J, Randall RL, Womer R, Mascarenhas L, Arndt CA. Effect of time to resumption of chemotherapy after definitive surgery on prognosis for non-metastatic osteosarcoma. J Bone Joint Surg Am. 2009 Mar 1; 91(3):604-12. View in: PubMed

Leavey PJ, Mascarenhas L, Marina N, Chen Z, Krailo M, Miser J, Brown K, Tarbell N, Bernstein ML, Granowetter L, Gebhardt M, Grier HE. Prognostic factors for patients with Ewing sarcoma (EWS) at first recurrence following multi-modality therapy: A report from the Children's Oncology Group. Pediatr Blood Cancer. 2008 Sep; 51(3):334-8. View in: PubMed

Madigan CE, Armenian SH, Malogolowkin MH, Mascarenhas L. Extracranial malignant rhabdoid tumors in childhood: the Childrens Hospital Los Angeles experience. Cancer. 2007 Nov 1; 110(9):2061-6. View in: PubMed

Armenian SH, Hoffman JA, Butturini AM, Kapoor N, Mascarenhas L. Invasive diagnostic procedures for pulmonary infiltrates in pediatric hematopoietic stem cell transplant recipients. Pediatr Transplant. 2007 Nov; 11(7):736-42. View in: PubMed

Harned TM, Mascarenhas L. Severe methotrexate toxicity precipitated by intravenous radiographic contrast. J Pediatr Hematol Oncol. 2007 Jul; 29(7):496-9. View in: PubMed

Yoon JM, Burns RC, Malogolowkin MH, Mascarenhas L. Treatment of infantile choriocarcinoma of the liver. Pediatr Blood Cancer. 2007 Jul; 49(1):99-102. View in: PubMed

Armenian SH, La Via WV, Siegel SE, Mascarenhas L. Evaluation of persistent pulmonary infiltrates in pediatric oncology patients. Pediatr Blood Cancer. 2007 Feb; 48(2):165-72. View in: PubMed

Wu SQ, Loh KT, Chen XR, Joo WJ, Mascarenhas L. Transient myeloproliferative disorder in a phenotypically normal infant with i(21q) mosaicism. Cancer Genet Cytogenet. 2002 Jul 15; 136(2):138-40. View in: PubMed

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