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Results of interferon-based treatments in Alaska Native and American Indian population with chronic hepatitis C

Livingston, Stephen E. et al.

International journal of circumpolar health. Volume 75:Issue 1 (2016) -- Taylor & Francis

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  • Title:
    Results of interferon-based treatments in Alaska Native and American Indian population with chronic hepatitis C
  • Author: Livingston, Stephen E.;
    Townshend-Bulson, Lisa J.;
    Bruden, Dana J. T.;
    Homan, Chriss E.;
    Gove, James E.;
    Plotnik, Julia N.;
    Simons, Brenna C.;
    Spradling, Philip R.;
    McMahon, Brian J.
  • Found In: International journal of circumpolar health. Volume 75:Issue 1 (2016)
  • Journal Title: International journal of circumpolar health
  • Subjects: Médecine arctique--Périodiques; Médecine polaire--Périodiques; Antarctic Regions; Arctic Regions; Cold Climate; Medicine; Arctic medicine--Periodicals; Circumpolar medicine--Periodicals; Electronic journals; Gezondheid; Noordpoolgebied; Arctic medicine; Circumpolar medicine; Periodicals; pegylated interferon--discontinuation--indigenous population--longitudinal study--sustained virologic response; Dewey: 616.9881
  • Rights: legaldeposit
  • Publication Details: Taylor & Francis
  • Abstract: Abstract : Background:

    There have been few reports of hepatitis C virus (HCV) treatment results with interferon-based regimens in indigenous populations.

    Objective:

    To determine interferon-based treatment outcome among Alaska Native and American Indian (AN/AI) population.

    Design:

    In an outcomes study of 1, 379 AN/AI persons with chronic HCV infection from 1995 through 2013, we examined treatment results of 189 persons treated with standard interferon, interferon plus ribavirin, pegylated interferon plus ribavirin and triple therapy with a protease inhibitor. For individuals treated with pegylated interferon and ribavirin, the effect of patient characteristics on response was also examined.

    Results:

    Sustained virologic response (SVR) with standard interferon was 16.7% (3/18) and with standard interferon and ribavirin was 29.7% (11/37). Of 119 persons treated with pegylated interferon and ribavirin, 61 achieved SVR (51.3%), including 10 of 46 with genotype 1 (21.7%), 38 of 51 with genotype 2 (74.5%) and 13 of 22 with genotype 3 (59.1%). By multivariate analysis, SVR in the pegylated interferon group was associated with female sex (p=0.002), estimated duration of infection (p=0.034) and HCV genotype (p<0.0001). There was a high discontinuation rate due to side effects in those treated with pegylated interferon and ribavirin for genotype 1 (52.2%). Seven of 15 genotype 1 patients treated with pegylated interferon, ribavirin and telaprevir or boceprevir achieved SVR (46.7%).

    Conclusions:

    We had success with pegylated interferon-based treatment of AN/AI people with genotypes 2 and 3. However, there were low SVR and high discontinuation rates for those with genotype 1.


  • Identifier: System Number: LDEAvdc_100059555532.0x000001; Journal ISSN: 1239-9736; 10.3402/ijch.v75.30696
  • Publication Date: 2016
  • Physical Description: Electronic
  • Shelfmark(s): ELD Digital store

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