Dr. Maribel Tirado Gómez

Associate Professor

Contact Info

  • School of Medicine
    Internal Medicine Department
    Hematology & Oncology Section
    P.O. Box 365067
    San Juan, PR 00936-5067
  • 787-754-0101, Ext. 5051


  • Degree: M.D. UPR, School of Medicine, 1997
  • Degree: B.S. (Biology), UPR, Río Piedras Campus, 1992
  • INTERSHIP: 1997-1998 – University District Hospital Puerto Rico Medical Center, San Juan, Puerto Rico
  • RESIDENCY: 1998-2000 – Internal Medicine, University District Hospital,San Juan, Puerto Rico
  • FELLOWSHIP: 2002-2005 – Hematology and Medical Oncology, University of Texas MD Anderson Cancer Center Houston, Texas
  • SPECIALTY: Internal Medicine
  • SUBSPECIALTY: Hematology/Medical Oncology


Associate Professor – Department of Medicine, UPR, School of Medicine, 2018- present

Adjunct Assistant Professor – Department of Surgical Oncology, MD Anderson Cancer Center, 2005-present


Training Program Director – Hematology and Medical Oncology Fellowship, UPR, School of Medicine, 2009-Present

Vice-Chairman – Institutional Review Board, UPR Comprehensive Cancer Center, 2016 -Present

President – Pharmacy Committee, UPR Comprehensive Cancer Center, 2018 – Present


An open-label, dose escalation phase I trial of MK-0646 given as every other week infusion in patients with relapsed/refractory locally advanced metastatic cancers
Role: Principal Investigator

A Phase 2 Study of Temozolomide (SCH52365) in Subjects with Advanced Aerodigestive Tract Cancers Selected for Methylation of O6 Methyl Guanine-DNA Methyltransferase (MGMT) Promoter
Role: Co-Principal Investigator

A Randomized Double-Blind Phase-2 Study of Anastrazole Plus Lonafarnib (SCH 66336) or Anastrazole Plus Placebo for the Treatment of Subjects with Advanced Breast Cancer
Role: Co-Principal Investigator

Vitamin D/Calcium Polyp Prevention Study
Role: Co-Principal Investigator

A Phase I study of LY573636 in relapsed/refractory acute myeloid leukemia
Role: Principal Investigator

AMC 088: A Randomized, Phase III Study of Intra-anal Imiquimod 2.5% vs. Topical 5-fluorouracil 5% vs. Observation for the Treatment of High-grade Anal Squamous Intraepithelial Lesions in HIV-infected Men and Women
Role: Principal Investigator

ANCHOR Study (Anal Cancer HSIL Outcomes Research)
Role: Principal Investigator


Keller K, Ramos-Cartagena JM, Guiot HM, Muñoz C, Rodríguez Y, Colón-López V, Deshmukh AA, Tirado-Gómez M, Ortiz AP. Association of smoking with anal high-risk HPV infection and histologically confirmed anal high-grade squamous intraepithelial lesions among a clinic-based population in Puerto Rico.  Cancer Treat Res Commun. 2021 Dec 31;30:(Online ahead of print).

Ortiz A, Hughes DC, Mama SK, Tirado-Gomez M, Liao Y, Song J, Gonzalez V, Basen-Engquist K.  Effectiveness of a Home-Based Exercise Intervention in the Fitness Profile of Hispanic Survivors of Breast Cancer.  Rehabil Oncol. 2021 Oct;39(4):175-183

Palefsky JM, Lensing SY, Belzer M, Lee J, Gaur AH, Mayer K, Futterman D, Stier EA, Paul ME, Chiao EY, Reirden D, Goldstone SE, Tirado M, Cachay ER, Barroso LF, Da Costa M, Darragh TM, Rudy BJ, Wilson CM, Kahn JA; AIDS Malignancy Consortium and Adolescent Medicine Trials Network for HIV/AIDS Interventions. High prevalence of anal high-grade squamous intraepithelial lesions, and prevention through human papillomavirus vaccination, in young men who have sex with men living with HIV.  Clin Infect Dis. 2021 Oct 20;73(8):1388-1396.

González-Mercado VJ, Lim J, Yu G, Penedo F, Pedro E, Bernabe R, Tirado-Gómez M, Aouizerat B. Co-Occurrence of Symptoms and Gut Microbiota Composition Before Neoadjuvant Chemotherapy and Radiation Therapy for Rectal Cancer: A Proof of Concept. Biol Res Nurs. 2021 Jul;23(3):513-523.

Gonzalez-Mercado VJ, Marrero S, Pérez-Santiago J, Tirado-Gómez M, Marrero-Falcón MA, Pedro E, Saligan LN. Association of Radiotherapy-Related Intestinal Injury and Cancer-related Fatigue: A Brief Review and Commentary. P R Health Sci J. 2021 Mar;40(1):6-11

Mahale P, Weisenburger DD, Kahn AR, Gonsalves L, Pawlish K, Koch L, Tirado-Gomez M, Clarke CA, Alverson G, Shiels MS, Engels EA.  Anaplastic large cell lymphoma in human immunodeficiency virus-infected people and solid organ transplant recipients. Br J Haematol. 2021 Feb;192(3):514-521.

Ramos-Cartagena JM, Pérez CM, Guiot HM, Amaya-Ardilla CP, Tirado-Gómez M, Ortiz AP. Assessment of Anal Cancer Screening Tools in Detecting High-Grade Anal Squamous Intraepithelial Lesions in Women.  J Low Genit Tract Dis. 2020 Jan;24(1):75-81

Medina-Laabes DT, Suarez-Perez EL, Guiot HM, Muñoz C, Colón-López V, Tirado-Gómez M, Ortiz AP.  Human Papillomavirus Correlates with Histologic Anal High-Grade Squamous Intraepithelial Lesions in Hispanics with HIV.  J Low Genit Tract Dis. 2018 Jul 2.

Gonzalez VJ, McMillan S, Pedro E, Tirado-Gomez M, Saligan LN. The Health related Quality of Life of Puerto Ricans during Cancer Treatments; A Pilot Study. PR Health Sci J. 2018 Mar;37(1):46-51

Ortiz A, Tirado M, Hughes DC, Gonzalez V, Song J, Mama SK, Basen-Engquist K.  Relationship between physical activity, disability, and physical fitness profile in sedentary Latina breast cancer survivors.  Physiother Theory Pract. 2018 Jan 10:1-12.

Ortega JL, Cabanillas F, Rivera N, Tirado-Gomez M, Hallman D, Pardo WI, Bruno M.  Results of Upfront Therapy for Marginal Zone Lymphoma.  Clin Lymphoma Myeloma Leuk. 2017 Dec;17(12):879-883