Indian J Sex Transm Dis Indian J Sex Transm Dis
Official Publication of the Indian Association for the Study of Sexually Transmitted Disesses
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LETTER TO EDITOR
Year : 2009  |  Volume : 30  |  Issue : 2  |  Page : 120-121
 

Managing HCV/HIV coinfection


1 Princess of Wales Hospital, Coity Road, Bridgend CF31 1RQ United Kingdom,
2 Department of Medicine (Unit-I), Institute of Medical Sciences (PIMS), Islamabad, Pakistan,
3 Department of Pediatrics, Holy Family Hospital, Rawalpindi, Pakistan,
4 Foundation University Medical College (FUMC), Rawalpindi, Pakistan,
5 Shifa International Hospital, Islamabad, Pakistan,

Date of Web Publication24-Apr-2010

Correspondence Address:
Fazal A Danish
Flat A1, Staff Residences, Princess of Wales Hospital, Coity Road, Bridgend CF31 1RQ, United Kingdom

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DOI: 10.4103/0253-7184.62771

PMID: 21938134

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How to cite this article:
Danish FA, Koul SS, Subhani FR, Rabbani AE, Yasmin S. Managing HCV/HIV coinfection. Indian J Sex Transm Dis 2009;30:120-1

How to cite this URL:
Danish FA, Koul SS, Subhani FR, Rabbani AE, Yasmin S. Managing HCV/HIV coinfection. Indian J Sex Transm Dis [serial online] 2009 [cited 2014 Sep 22];30:120-1. Available from: http://www.ijstd.org/text.asp?2009/30/2/120/62771


Sir,

Some 20-25% of all human immunodeficiency virus (HIV) cases in the western world are estimated to be coinfected with hepatitis C virus (HCV). There are multiple causes of liver damage in a case of HCV-HIV coinfection. For example, heavy alcohol use, nonalcoholic steatohepatitis, pre-existing viral hepatitis (B or D), HIV-related opportunistic infections (e.g., Mycobacterium avium complex), drug-induced hepatotoxicity and AIDS-related cholangiopathy in patients with CD4 cell counts <100 cells/mm 3 . It appears that HIV-associated immunosuppression stimulates HCV replication and also impairs spontaneous immune-mediated HCV clearance. Thus, the risk of cirrhosis, end-stage liver disease and hepatocellular carcinoma is higher in coinfected cases.

Because of the high prevalence of coinfection, it is recommended to investigate for HCV infection in all HIV-infected cases and vice versa. The investigative work-up for HCV in known HIV cases should proceed as otherwise, i.e. serology (anti-HCV detection by 3 rd generation enzyme immunoassay or enzyme-linked immunosorbent assay) followed by reverse transcriptase polymerase chain reaction (PCR) to detect circulating HCV RNA. Because of immunosuppression, the initial serologic test may be falsely negative. The Canadian Consensus Guidelines, 2007 [1] thus recommend performing a qualitative HCV RNA assay in all HIV cases suspected of being coinfected with HCV even if the initial anti-HCV test is negative.

Liver biopsy may be considered in patients who elect not to be treated with antiviral therapy for any reason or those with persistently normal aminotransferase levels. [2] If liver biopsy shows only a minimal fibrosis limited to the portal tract (Metavir score <2 or Ishak score <3), initiation of interferon therapy can be delayed (in genotype 2 and 3 cases), or altogether avoided (in genotype 1 cases).

HIV cases with a relatively high CD4 cell count (>350 cells/mm 3 ) are usually considered appropriate candidates for HCV therapy; highly active antiretroviral therapy (HAART) for HIV infection can be deferred in such cases. Conversely, HAART should be given first in all cases with a low CD4 cell counts (<200 cells/mm 3 ); HCV therapy can be deferred in such cases till HIV suppression is achieved.

In HCV/HIV coinfected cases, peginterferon-ribavirin combination therapy for an extended period of 48 weeks is associated with better sustained virological response (SVR) rates and lower relapse rates in both genotypes 1 and 2 and 3 cases. [3] All HIV/HCV-coinfected cases should be subjected to a repeat quantitative PCR for HCV RNA at week 12 as the likelihood of attainment of SVR is best assessed by attainment of an early virologic response (EVR) at this stage. [4] Higher weight-based doses of ribavirin (1,000-1,200 mg/day) are more efficacious than the lower fixed doses of 800 mg/day for the treatment of genotype 1 hepatitis C cases.

Studies have shown that erythropoietin (EPO) can help avoid dose reductions in cases of ribavirin-induced hemolytic anemia. Possible indications of EPO include a fall in the hemoglobin (Hb) level by >4 g/dl, Hb levels of <8 g/dl and patients developing symptoms and signs of anemia (palpitations, dyspnea, easy fatigability, pallor). [5] Every effort should be made to avoid potentially dose-limiting complications, such as hepatotoxicity, mitochondrial toxicity, anemia, neutropenia and depression.

 
   References Top

1.Sherman M, Shafran S, Burak K, Doucette K, Wong W, Girgrah N, et al. Management of chronic hepatitis C: consensus guidelines. Can J Gastroenterol 2007;21:25-34.  Back to cited text no. 1      
2.Bonacini M, Lin HJ, Hollinger FB. Effect of coexisting HIV-1 infection on the diagnosis and evaluation of hepatitis C virus. J Acquir Immune Defic Syndr 2001;26:340-4.  Back to cited text no. 2  [PUBMED]  [FULLTEXT]  
3.Khokhar N. Effectiveness of 48 weeks Interferon alfa-2b in combination with ribavirin as initial treatment of chronic hepatitis. J Ayub Med Coll Abbottabad 2002;14:5-8.  Back to cited text no. 3  [PUBMED]    
4.Torriani FJ, Rodriguez-Torres M, Lissen E, Brau N, Sulkowski M, Sola R, et al. Predictability of virological response at week 4 and 12 of peginterferon alfa-2a (40KD) plus ribavirin (RBV) therapy in HIV-HCV co-infection: AIDS PEGASYS Ribavirin (RBV) International Co-infection Trial (APRICOT). Washington: Program and abstracts of the 45th Interscience Conference of Antimicrobial Agents and Chemotherapy; 2005.   Back to cited text no. 4      
5.Danish FA, Koul SS, Subhani FR, Rabbani AE, Yasmin S. Role of hematopoietic growth factors as adjuncts in the treatment of chronic hepatitis C patients. Saudi J Gastroenterol 2008;14:151-7.  Back to cited text no. 5  [PUBMED]  Medknow Journal  



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