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BARACLUDE data show low resistance over 5 years in nucleoside-naive hepatitis B patients
Date:3/24/2008

resistance, said Helena Brett-Smith, M.D., Group Director of Clinical Research at Bristol-Myers Squibb. More importantly, we believe the data support BARACLUDE as an important initial treatment choice for chronic hepatitis B, which is a disease that results in a large global health burden.

About the Analysis

More than 700 patients across six studies initiated therapy on BARACLUDE and were monitored for treatment response and resistance. The year five analysis expands upon previous analyses, adding in information on patients who received treatment with BARACLUDE during the fifth year of follow-up (n=108 for patients in nucleoside-nave studies and n=33 for patients in lamivudine-refractory studies).

In this comprehensive analysis, all patients enrolled in Bristol-Myers Squibb clinical trials ETV-014, -015, -022, -027, -026 and -901 who experienced a virologic breakthrough1 or whose virus had not yet reached undetectable levels2 at weeks 48, 96, 144, 192, 240 or end of dosing, were sequenced to determine if any changes occurred in the genetic code of the virus that would result in resistance or loss of effectiveness of BARACLUDE.

Nucleoside-nave patients in this analysis were initially treated with BARACLUDE 0.5 mg in studies ETV-022 and -027 and continued treatment with BARACLUDE 1 mg by enrolling in study ETV-901 with a treatment gap of less than or equal to 35 days. Lamivudine-refractory patients in this analysis initiated therapy on BARACLUDE 1 mg in studies ETV-014, -015, and -026 and continued treatment in study ETV-901 with a treatment gap of less than or equal to 35 days.

1 Virologic breakthrough is defined as a greater than or equal to 1 log increase in HBV DNA from nadir, as measured by the polymerase chain reaction or PCR assay.

2 Undetectable viral load is defined as HBV DNA levels less than 300 copies/mL, as measured by PCR assay.

Viral load reduction in chronic hepatitis B patients treated with
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Contact: Hilary Mra
mrah@ruderfinn.com
212-593-6414
Ruder Finn Public Relations
Source:Eurekalert

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