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Study: HIV Infection Does Not Adversely Affect Outcomes of Liver Transplantation for Hepatocellular Carcinoma
Date:5/10/2013

Durham, NC (PRWEB) May 10, 2013

Liver transplantation for hepatocellular carcinoma (HCC) is feasible for HIV-infected patients, with no differences in post-transplant survival or HCC recurrence rates compared with liver transplantation for HCC in HIV-uninfected patients. The study, published in The Oncologist, was led by Dr. Fabrizio Di Benedetto, MD, PhD, Associate Professor of Surgery, University of Modena and Reggio Emilia, Modena, Italy, and represents the largest multicenter study of liver transplant for HCC in HIV-infected patients to date.

Patients infected with HIV experience a more aggressive course of HCC, in part due to the tumor-enhancing effects of HIV proteins, including increased growth signaling and diminished antitumor immune response. Moreover, as highly active antiretroviral therapy (HAART) prolongs the life expectancy of HIV-infected patients, the progression of underlying liver disease toward HCC is increasingly a major cause of morbidity and mortality in this patient population. Liver transplantation for HCC in HIV-infected patients is a recent indication, and its viability as a treatment option has been a matter of debate.

In the current study, researchers evaluated post-transplant outcomes in 30 HIV-positive patients and 125 HIV-uninfected patients who underwent liver transplantation for HCC at three transplantation centers in northern Italy between 2004 and 2009. Two patients in the HIV-positive cohort (6.7%) and 18 uninfected patients (14.4%) experienced a recurrence of HCC during the follow-up period of approximately 32 months (p = .15). Overall survival was similar for HIV-infected and -uninfected patients at 1 year (77% vs. 86.4%) and 3 years (65% vs. 70%), respectively, after liver transplantation (p = .32).

“The key message of this study is that liver transplantation is a valid option for HCC treatment in HIV-infected patients,” Dr. Di Benedetto and colleagues wrote. “We suggest that HIV-infected patients must be offered the same liver transplant options for HCC treatment currently provided to HIV-uninfected subjects.”

All HIV-infected patients were given HAART until liver transplantation, and antiviral therapy was discontinued only until liver function stabilized. No patients developed AIDS-defining events during the follow-up period, which the study authors attributed to early HAART resumption following transplantation. In particular, ritonavir-boosted protease inhibitor (PI) therapy appeared to induce more rapid increases in immunosuppressive drug serum levels than unboosted PI therapy, and is the preferred HAART regimen. In the future, new options for antiviral therapy may further improve HIV control and post-transplantation outcomes in HIV-infected patients undergoing liver transplantation for HCC.

The transplantation centers used a multidisciplinary approach to patient care that included input from oncologists, radiologists, gastroenterologists, liver surgeons, and infectious disease specialists. Dr. Di Benedetto and colleagues urged clinicians to adopt a similar collaborative approach to optimize outcomes for HIV-infected patients undergoing liver transplantation for HCC.

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The full article, titled “Multicenter Italian Experience in Liver Transplantation for Hepatocellular Carcinoma in HIV-Infected Patients,” can be accessed at http://www.TheOncologist.com.

About The Oncologist
Established by oncologists to help physicians better manage their practices in an ever-changing environment, The Oncologist® is the official journal of the Society for Translational Oncology (STO). Now in its 18th year, this internationally peer-reviewed journal focuses on clear and concise interpretation addressing the multimodality diagnosis, treatment, and quality of life of the cancer patient. Each issue is meant to impact the practice of oncology and to facilitate significant communication in the introduction of new medical treatments and technologies. For more information, visit http://www.TheOncologist.com.

About AlphaMed Press: Established in 1983, AlphaMed Press, with offices in Durham, NC, San Francisco, CA, and Belfast, Northern Ireland, publishes three internationally renowned peer-reviewed journals with globally recognized editorial boards dedicated to advancing knowledge and education in their focused disciplines. STEM CELLS® (http://www.StemCells.com), which celebrated its 31st year in 2013, is the world's first journal devoted to this fast paced field of research. THE ONCOLOGIST® (http://www.TheOncologist.com), entering its 18th year, is devoted to community and hospital-based oncologists and physicians entrusted with cancer patient care. STEM CELLS TRANSLATIONAL MEDICINE® (http://www.StemCellsTM.com), in its second year, is dedicated to significantly advancing the clinical utilization of stem cell molecular and cellular biology. By bridging stem cell research and clinical trials, SCTM will help move applications of these critical investigations closer to accepted best practices.

Read the full story at http://www.prweb.com/releases/2013/5/prweb10722333.htm.


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