The purpose of the study was to assess in subjects with chronic hepatitis C (treatment-naïve, genotype 1) receiving weight-based doses of ribavirin the virologic response to 3 dose levels of Locteron™, dosed every 2 weeks, in comparison with PEG-Intron™ dosed weekly.
The aim of SELECT-2 study was to compare the safety and efficacy of Locteron to PegIntron. SELECT-2 was a 72-week Phase 2b, multicenter, international trial of treatment-naïve genotype-1 chronic HCV subjects who were randomized 1:1:1:1 and dosed with one of three doses \[640ug (n=29), 480ug (n=29), 320ug (n=28)\] of q2week Locteron or weekly doses of 1.5ug/kg PEG2b (n=30). Subjects received these regimens in combination with weight-based ribavirin (800-1400 mg) for up to 48 weeks. Subjects and staff were blinded to Locteron dose for the first 12 weeks. Subjects without early virologic response by 12 weeks, and without viral negativity by 24 weeks, discontinued treatment for lack of efficacy. Adverse events including flu symptoms and depression, Beck Depression Inventory (BDI), Short Form-36, HCV RNA and safety labs were measured at standard intervals at clinic visits through Week 72. In addition, daily subject self-reports of flu symptoms using an electronic subject reporting tool (ePRO) were collected for the first 12 weeks.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
QUADRUPLE
Enrollment
116
Co-administered in all arms: oral ribavirin, 200 mg capsules. Subjects with body weight \< 65 kg: 800 mg/day; Subjects with body weight 65-85 kg: 1000 mg/day; Subjects with body weight \> 85 kg: 1200 mg/day.
investigational controlled-release recombinant interferon alpha 2b formulated in 1500/77/23 PolyActive microspheres as a lyophilized powder, reconstituted with carboxymethyl cellulose immediately before subcutaneous injection every other week as part of the treatment of chronic hepatitis C
commercially available pegylated interferon alpha 2b injected subcutaneously weekly in a dose of 1.5 ug/kg as part of the treatment of chronic hepatitis C
eStudy site
Chula Vista, California, United States
EVR: the proportion of subjects in each arm that have at least a 2 log drop in HCV RNA from Baseline
Time frame: 12 weeks
SVR: the proportion of subjects in each arm demonstrating HCV RNA undetectable (< 10 IU/mL) at the end of the follow-up period
Time frame: 24 weeks
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eStudy Site
Oceanside, California, United States
Medical Associates Research Group
San Diego, California, United States
University of Louisville Health Care Outpatient Center
Louisville, Kentucky, United States
Maryland Digestive Disease Research, LLC
Laurel, Maryland, United States
St. Louis University
St Louis, Missouri, United States
AGA Clinical Research Associates, LLC.
Egg Harbor, New Jersey, United States
Montefiore Medical Center
The Bronx, New York, United States
Consultants for Clinical Research
Cincinnati, Ohio, United States
The Liver Institute at Methodist Dallas
Dallas, Texas, United States
...and 14 more locations