Abstract
Background
An inosine triphosphatase (ITPA) single-nucleotide polymorphism (SNP) is associated with anemia induced by pegylated interferon and ribavirin (RBV) combination therapy in patients with chronic hepatitis C (CHC). However, there are very few reports on the hematological effects of RBV monotherapy. Here, hematological changes were monitored in patients with CHC who received RBV monotherapy, and the mechanism of these changes was investigated.
Methods
Patients with CHC (n = 30) received RBV monotherapy for 4 weeks. The RBV dose was determined on the basis of body weight. Complete blood count, and serum erythropoietin (EPO) and thrombopoietin (TPO) levels were assessed. The associations between these parameters and the ITPA SNP (rs1127354) were analyzed.
Results
Over the 4 weeks, the median hemoglobin level of all patients decreased significantly, from 13.6 (10.5–16.6) to 11.7 (9.4–14.9) g/dl (P < 0.001), and the platelet counts increased, from 14.0 × 104 (8.9–37.4 × 104) to 15.8 × 104 (10.2–40.6 × 104) /mm3 (P = 0.003). At week 4, hemoglobin levels differed between patients with the ITPA CC genotype and those with the AA or AC genotypes [11.1 (9.4–13.5) vs. 12.9 (12.5–14.9) g/dl, P = 0.001]. The platelet change ratio (i.e., platelet count at week 4/platelet count at baseline) in the patients with developing anemia was correlated with the increase in the serum EPO level over 4 weeks (r = 0.88, P = 0.002), but not with the increase in the serum TPO level over 4 weeks.
Conclusions
RBV monotherapy induced anemia and affected thrombocytosis in patients with CHC. Elevated endogenous EPO may stimulate platelet production.
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Abbreviations
- ITPA :
-
Inosine triphosphatase
- SNP:
-
Single-nucleotide polymorphism
- PEG-IFN:
-
Pegylated interferon
- RBV:
-
Ribavirin
- CHC:
-
Chronic hepatitis C
- EPO:
-
Erythropoietin
- TPO:
-
Thrombopoietin
- HCV:
-
Hepatitis C virus
- GWASs:
-
Genome-wide association studies
- IL28B:
-
Interleukin 28B
- DDRGK1 :
-
DDRGK domain-containing protein 1
References
Lavanchy D. Evolving epidemiology of hepatitis C virus. Clin Microbiol Infect. 2011;17:107–15.
Thomas DL, Astemborski J, Rai RM, Anania FA, Schaeffer M, Galai N, et al. The natural history of hepatitis C virus infection: host, viral, and environmental factors. JAMA. 2000;284:450–6.
di Iulio J, Ciuffi A, Fitzmaurice K, Kelleher D, Rotger M, Fellay J, et al. Estimating the net contribution of interleukin-28B variation to spontaneous hepatitis C virus clearance. Hepatology. 2011;53:1446–54.
Fried MW, Shiffman ML, Reddy KR, Smith C, Marinos G, Goncales FL, et al. Peginterferon alfa-2a plus ribavirin for chronic hepatitis C virus infection. N Engl J Med. 2002;347:975–82.
Hadziyannis SJ, Sette H, Morgan TR, Balan V, Diago M, Marcellin P, et al. Peginterferon-alpha2a and ribavirin combination therapy in chronic hepatitis C: a randomized study of treatment duration and ribavirin dose. Ann Intern Med. 2004;140:346–55.
Sidwell RW, Huffman JH, Khare GP, Allen LB, Witkowski JT, Robins RK. Broad-spectrum antiviral activity of Virazole: 1-beta-d-ribofuranosyl-1,2,4-triazole-3-carboxamide. Science. 1972;177:705–6.
Reddy KR, Shiffman ML, Morgan TR, Zeuzem S, Hadziyannis S, Hamzeh FM, et al. Impact of ribavirin dose reductions in hepatitis C virus genotype 1 patients completing peginterferon alfa-2a/ribavirin treatment. Clin Gastroenterol Hepatol. 2007;5:124–9.
Sulkowski MS, Wasserman R, Brooks L, Ball L, Gish R. Changes in haemoglobin during interferon alpha-2b plus ribavirin combination therapy for chronic hepatitis C virus infection. J Viral Hepat. 2004;11:243–50.
Tanaka Y, Nishida N, Sugiyama M, Kurosaki M, Matsuura K, Sakamoto N, et al. Genome-wide association of IL28B with response to pegylated interferon-alpha and ribavirin therapy for chronic hepatitis C. Nat Genet. 2009;41:1105–9.
Fellay J, Thompson AJ, Ge D, Gumbs C, Urban TJ, Shianna K, et al. ITPA gene variants protect against anaemia in patients treated for chronic hepatitis C. Nature. 2010;464:405–8.
Ochi H, Maekawa T, Abe H, Hayashida Y, Nakano R, Kubo M, et al. ITPA polymorphism affects ribavirin-induced anemia and outcomes of therapy—a genome-wide study of Japanese HCV virus patients. Gastroenterology. 2010;139:1190–7.
Tanaka Y, Kurosaki M, Nishida N, Sugiyama M, Matsuura K, Sakamoto N, et al. Genome-wide association study identified ITPA/DDRGK1 variants reflecting thrombocytopenia in pegylated interferon and ribavirin therapy for chronic hepatitis C. Hum Mol Genet. 2011;20:3507–16.
Homma M, Jayewardene AL, Gambertoglio J, Aweeka F. High-performance liquid chromatographic determination of ribavirin in whole blood to assess disposition in erythrocytes. Antimicrob Agents Chemother. 1999;43:2716–9.
Pawlotsky JM, Dahari H, Neumann AU, Hézode C, Germanidis G, Lonjon I, et al. Antiviral action of ribavirin in chronic hepatitis C. Gastroenterology. 2004;126:703–14.
Hézode C, Forestier N, Dusheiko G, Ferenci P, Pol S, Goeser T, et al. Telaprevir and peginterferon with or without ribavirin for chronic HCV infection. N Engl J Med. 2009;360:1839–50.
Canonico PG, Kastello MD, Cosgriff TM, Donovan JC, Ross PE, Spears CT, et al. Hematological and bone marrow effects of ribavirin in rhesus monkeys. Toxicol Appl Pharmacol. 1984;74:163–72.
Streja E, Kovesdy CP, Greenland S, Kopple JD, McAllister CJ, Nissenson AR, et al. Erythropoietin, iron depletion, and relative thrombocytosis: a possible explanation for hemoglobin-survival paradox in hemodialysis. Am J Kidney Dis. 2008;52:727–36.
Homoncik M, Jilma-Stohlawetz P, Schmid M, Ferlitsch A, Peck-Radosavljevic M. Erythropoietin increases platelet reactivity and platelet counts in patients with alcoholic liver cirrhosis: a randomized, double-blind, placebo-controlled study. Aliment Pharmacol Ther. 2004;20:437–43.
Dessypris EN, Gleaton JH, Armstrong OL. Effect of human recombinant erythropoietin on human marrow megakaryocyte colony formation in vitro. Br J Haematol. 1987;65:265–9.
Vaziri ND. Thrombocytosis in EPO-treated dialysis patients may be mediated by EPO rather than iron deficiency. Am J Kidney Dis. 2009;53:733–6.
Bilic E. Amino acid sequence homology of thrombopoietin and erythropoietin may explain thrombocytosis in children with iron deficiency anemia. J Pediatr Hematol Oncol. 2003;25:675–6.
Tekin D, Yavuzer S, Tekin M, Akar N, Cin S. Possible effects of antioxidant status on increased platelet aggregation in childhood iron-deficiency anemia. Pediatr Int. 2001;43:74–7.
Youdim MB, Woods HF, Mitchell B, Grahame-Smith DG, Callender S. Human platelet monoamine oxidase activity in iron-deficiency anaemia. Clin Sci Mol Med. 1975;48:289–95.
Schmid M, Kreil A, Jessner W, Homoncik M, Datz C, Gangl A, et al. Suppression of haematopoiesis during therapy of chronic hepatitis C with different interferon alpha mono and combination therapy regimens. Gut. 2005;54:1014–20.
De Franceschi L, Fattovich G, Turrini F, Ayi K, Brugnara C, Manzato F, et al. Hemolytic anemia induced by ribavirin therapy in patients with chronic hepatitis C virus infection: role of membrane oxidative damage. Hepatology. 2000;31:997–1004.
Vanderheiden BS. Genetic studies of human erythrocyte inosine triphosphatase. Biochem Genet. 1969;3:289–97.
Acknowledgments
We appreciate the technical advice given by ProfessorYasuhito Tanaka.
Conflict of interest
Shuhei Hige has received a research grant from MSD. The other authors have declared that no conflict of interest exists.
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Kobayashi, T., Hige, S., Terashita, K. et al. Anemia and thrombocytosis induced by ribavirin monotherapy in patients with chronic hepatitis C. J Gastroenterol 47, 1228–1237 (2012). https://doi.org/10.1007/s00535-012-0579-y
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DOI: https://doi.org/10.1007/s00535-012-0579-y