GUILLERMO J. VAZQUEZ, M.D.

Educational Background:

  • MD Degree, Jefferson Medical College of Thomas Jefferson University, Philadelphia, PA

  • Intership and Residency, San Juan City Hospital.

  • Infectious Disease Fellowship, Medical College of Virginia, Virginia Commonwealth University, Richmond, VA

Academic Position:

  • Professor of Medicine

  • Chairman, Department of Microbiology

Academic Address, Telephone & E-Mail:

Dept. of Microbiology and Zoology,
University of Puerto Rico-School of Medicine,
P.O. Box 365067,
San Juan, P.R. 00936-5067.
Phone: (787)758-2525 ext. 1309, 1310
E-mail:gjvazquezidmicro@hotmail.com o gvazquez@rcm.upr.edu
Field of interest:

    1. HIV/AIDS: Principal investigator of the Adult AIDS Clinical Trials (AACTU) since 1990. The AACTU is an NIAID/DAIDS sponsored clinical research facility under the direction of the Adult AIDS Clinical Trials Group (AACTG). These units are responsible for the accrual and retention of HIV/AIDS subjects interested in participation in clinical research and in gathering meaningful scientific information. The University of Puerto Rico, AACTU site has been extremely successful in achieving its goals, and it is considered one of the best Units. Active recruitment of participants for different protocols is currently being undertaken.

    2. Antimicrobial Agents: Clinical evaluation of novel antimicrobial agents for the treatments of bacterial infections.

    3. Antimicrobial susceptibility patterns

    4. Epidemiology, susceptibility and pathogenesis of the infections complications of Helicobacter pylori.

Selected Publications:

  • Archer GI and Vázquez GJ: 1979. Antibiotic therapy of experimental Staphylococcus epidermidis: Antimicrobial agents and chemotherapy. Vol. 17:280-285.

  • Ramírez-Ronda CH, Vázquez GJ, Ramírez-Ronda RA and Bermúdez RH: 1980. Sexually transmitted diseases. Part I: Gonococcal infection. Boletín Asoc. Médica de Puerto Rico, Vol. 12:251-264.

  • Quiñones R, Vázquez GJ and Ramírez-Ronda CH: 1980. Pulmonary nocardiosis: Presentation of a case and review of the literature. Bol Asoc Med PR, April 72(6): 176-7.

  • Archer GL and Vázquez GJ: 1980. Antibiotic prophylaxis of experimental Staphylococcus epidermidis. Endocarditis due to methicillin resistant Staphylococcus epidermidis. The Journal of Infectious Diseases, November 142(5), 725-31.

  • Rodríguez J, Vázquez GJ, Bermúdez RH, Luiña A and Ramírez Ronda CH: 1982. A randomized study of ceftizoxime and cefamandole in the treatment of lower respiratory tract infections. Journal of Antimicrobial Chemotherapy, November, 10 Suppl. C., 209-213.

  • Archer GL, Johnston JL, Vázquez GI and Hoywood HB 3rd. 1983. Efficacy of antibiotic combinations including rifampin against Staphylococcus epidermidis: In vitro and in vivo studies. Rev. Inf. Dis., July-August 5, Suppl. 3, S538-542

  • Oliver González J and Vázquez GJ: 1983. Preservation of Schistosoma mansoni eggs and infected livers as source of eggs for Circumoval Precipitin Test. J. Parasitology 69(2), 277-279

  • Nash TF, García Goyco C, Ruíz Tiben E, Nazario López HA and Vázquez GJ: 1983. Differentiation of acute and chronic schistosomiasis by antibody responses to specific schistosome antigens. American J. of Trop. Med. Hyg., 32(4) 776-784.

  • Hillyer GV, Nieves-Frau LL and Vázquez GJ: 1986. Identification of genus-specific Schistosoma mansoni soluble egg antigen reactive with the serum infected patients. Amer. J. Trop. Med. Hyg., 35(6) pp. 1198-1204.

  • Dunne DW, Hillyer GC and Vázquez GI. 1988. Schistosoma mansoni cationic egg antigen (CEF6) immunoserology with oxamniquine-treated patients and involvement of CEF6 in the circumoval precipitin reaction. AM. J. Trop. Med. Hyg., 38(3) 508-514.

  • Jacobson JM, Greenspan JS, Spritzier J, Ketter N, Fahey JL, Jackson JB, Fox I, Chernoff M, WU A, MacPhail LA, Vázquez GJ and Wohl DA: 1997. Thalidomide for the treatment of oval aphthus ulcers in patients with human immunodeficiency virus infection. NEJM, 336, pp. 1487-1493.

  • Ferrer I., Vázquez GJ., Córdova GJ. and Serrano AE: 1999. Diagnosis of malaria by polymerase chain reaction. P.R. Health Sciences Journal 18:99-103.

  • Hewitt RG, Yiannoutsos CT, Higgs ES, Carey JT, Jan Geiseler P, Soave R, Rosenberg R, Vázquez GJ, Joseph Wheat L, Fass RJ, Antoninievic Z, Walawander AL, Flanigan TP and Bender JF: 2000. Paromomycin: No more effective than placebo for treatment of cryptosporidiosis in patients with advanced human immunodeficiency virus infection. Clinical Infectious Diseases 31:1084-92.

  • Rodríguez, J.L, G.J. Vázquez, M. Bermúdez, J. De Orbeta, Y. García, Y. Rivera and I.E. Robledo. 2002. Prospective Study Using Standardized Methodology for Antimicrobial Susceptibility of Gram-Positive Cocci Isolated from Puerto Rico Medical Center (P.R. Health Sci. J., in press)

Abstract (2002)

  • Rodríguez, J.L, G.J. Vázquez, M. Bermúdez, J. De Orbeta, Y. García, Y. Rivera and I.E. Robledo. Prospective Study Using Standardized Methodology for Antimicrobial Susceptibility of Gram-Positive Cocci Isolated from PR Medical Center. Abstract of the Biomedical Research Forum held on April 18-19, 2002, University of P.R. -School of Medicine, San Juan, P.R.

  • Alemar, J., G.J. Vázquez, E. Aquino, and I.E. Robledo. Susceptibility Patterns of Helicobacter pylori isolates from PR. Abstract of the Biomedical Research Forum held on April 18-19, 2002, University of P.R. -School of Medicine, San Juan, P.R.

  • Arroy

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