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- Carlsson, T., et al.
(författare)
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HCV RNA levels during therapy with amantadine in addition to interferonand ribavirin in chronic hepatitis C patients with previous nonresponse orresponse/relapse to interferon and ribavirin
- 2000
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Ingår i: Journal of Viral Hepatitis. - : Wiley. - 1352-0504 .- 1365-2893. ; 7:6, s. 409-413
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Tidskriftsartikel (refereegranskat)abstract
- Interferon (IFN) alpha in combination with ribavirin (RIB) is standard therapy for patients with chronic hepatitis C virus (HCV) infection. However, many patients do not respond with sustained HCV clearance to this therapy. At present, no accepted treatment strategy exists for these patients. Recent preliminary data have suggested that amantadine (AMA) is effective against HCV infection. In a pilot study, we treated 13 nonresponders and 10 response/ relapsers to previous IFN/RIB therapy with AMA 200 mg per day in combination with IFN 3 MU thrice weekly, and RIB 1000 mg per day for 24 weeks, with a 24-week follow-up period after end-of-treatment. At the end-of-treatment, 1 previous nonresponder and 5 previous response/relapsers were HCV RNA negative. At the end of follow-up, only 1 previous response/relapser remained HCV RNA negative and had a sustained response. During therapy, serum HCV RNA became undetectable in 4 previous nonresponders, of whom 3 had a breakthrough at week 24. Twenty-one patients continued therapy without dose reductions. One patient discontinued therapy prematurely due to sleeping disturbances, and another patient was withdrawn from therapy due to heavy alcohol intake. We conclude that the addition of AMA to IFN and RIB was well tolerated but had little, if any, impact on HCV RNA eradication in nonresponders or response/relapsers to previous IFN/RIB combination therapy.
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| 5. |
- Weiland, O, et al.
(författare)
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Efficacy of human leucocyte alpha-interferon treatment for chronic hepatitis C virus infection
- 1995
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Ingår i: Scandinavian Journal of Infectious Diseases. - : Informa UK Limited. - 1651-1980 .- 0036-5548. ; 27:5, s. 319-324
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Tidskriftsartikel (refereegranskat)abstract
- A total of 42 Swedish patients with biopsy-proven chronic hepatitis C virus (HCV) infection were treated with a natural human leucocyte alpha-interferon (HuIFN-alpha-Le), Alfanative (BioNative AB, Umeå, Sweden) in an open uncontrolled study. Two patients were withdrawn from treatment within 2 weeks due to non-compliance and were omitted from further analysis, and 40 patients (17 females), mean age 39 years (range 24-71) completed the study. All patients were HCV RNA-positive in serum prior to treatment, with raised alanine aminotransferase (ALT) levels > 1.5 times the upper normal limit known for more than 6 months. Interferon was given at a dose of 3 MU t.i.w. for an intended 24 weeks and follow-up was a further 24 weeks after treatment. Biochemical non-responders were withdrawn from treatment within 12-16 weeks but continued follow-up. Overall 21/40 (52.5%) patients had a complete biochemical response with normal ALT levels at the end of treatment. Sustained response during follow-up was seen in 8 (20%) whereas 13 (32.5%) had a non-sustained response. At the end of treatment 23 (58%) patients had undetectable serum HCV RNA and 9 (23%) at follow-up. Patients with sustained, non-sustained and non-response had a mean pretreatment HCV RNA level of 3.2 x 10(5), 2.5 x 10(6) and 3.2 x 10(6) genomes/ml, respectively, differences that did not reach statistical significance. Of the patients 3, 9, 10 and 14 had genotype 1b, 3a, 1a, and 2b, respectively, and 4 had mixed genotypes. Of the 23 patients with genotype 2b or 3a, 7 had a sustained response vs. none of the 13 patients with genotype 1a or 1b (p = 0.03). No patients with cirrhosis had a sustained response whereas 4/18 with chronic persistent and 4/18 with chronic active hepatitis had such a response. It is concluded that some 50% of patients treated with HuIFN-alpha-Le responded with normalisation of ALT levels but that only 20% had a durable response 24 weeks post-treatment, and that patients with genotypes 3a or 2b seem to respond better than patients with other genotypes.
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| 11. |
- Bruchfeld, A, et al.
(författare)
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Interferon and ribavirin therapy in dialysis patients with chronic hepatitis C
- 2001
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Ingår i: Nephrology, dialysis, transplantation : official publication of the European Dialysis and Transplant Association - European Renal Association. - : Oxford University Press (OUP). - 0931-0509. ; 16:8, s. 1729-1729
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Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)
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| 14. |
- Bruchfeld, A, et al.
(författare)
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Pegylated interferon and ribavirin in haemodialysis patients
- 2006
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Ingår i: Nephrology, dialysis, transplantation : official publication of the European Dialysis and Transplant Association - European Renal Association. - : Oxford University Press (OUP). - 0931-0509. ; 21:5, s. 1444-1445
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Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)
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- Nowak, P, et al.
(författare)
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Follow-up of antiretroviral treatment in liver transplant recipients with primary and chronic HIV type 1 infection
- 2003
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Ingår i: AIDS Research and Human Retroviruses. - : Mary Ann Liebert Inc. - 1931-8405 .- 0889-2229. ; 19:1, s. 13-19
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Tidskriftsartikel (refereegranskat)abstract
- The prognosis of HIV-1-infected patients has dramatically improved but progression to liver failure occurs now frequently in subjects coinfected with hepatitis C virus (HCV). This has raised the issue of organ transplantation, but the knowledge about the effect of concomitant antiretroviral and immunosuppressive therapy is limited. The objective of the study was to describe viral and immunological events in antiretroviral-treated orthotopic liver transplant (OLT) recipients with primary (PHI) or chronic HIV-1 infection. Three HIV-1-infected patients with liver cirrhosis due to chronic HCV infection underwent OLT. A fourth patient developed PHI at OLT. Immunosuppressive drugs and combination antiretroviral therapy were given. The effects on HIV-1 load, viral diversity and divergence, and CD4(+) T cell counts,were studied. One patient died after 3 months. Three subjects were alive after 9 months, 14 months, and 3 years, respectively. In the PHI patient, viral load decreased during the second week of illness despite immunosuppression. During the third week the viremia increased until antiretroviral treatment was initiated. In all four patients, the HIV-1 replication was effectively inhibited during follow-up by the treatment, as determined by undetectable plasma viremia, lack of viral sequence changes, and increase in CD4(+) T cells. The pattern of viral dynamics may suggest that the innate immunity causes the earliest decline of viral load in PHI patients. A lack of adaptive immunity may thereafter lead to an increase in viremia in heavily immunosuppressed individuals. However, a specific HIV-1 immunity is not necessary to efficiently inhibit the viral replication when potent antiretroviral therapy is given in liver transplant recipients with primary or chronic HIV-1 infection.
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