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Re: DewDiligence post# 134914

Thursday, 01/12/2012 2:16:49 PM

Thursday, January 12, 2012 2:16:49 PM

Post# of 257443
The recently updated the data from Onty's original PhII trial actually showed some impressive results, But in that trial and the Current trial those aren't the endpoints they picked.....

J Cancer Res Clin Oncol (2011) 137:1337–1342

Purpose To present an updated survival analysis of an open-label, parallel-group, phase IIB trial of BLP25 liposome vaccine (L-BLP25) in patients with stage IIIB or IV non-small-cell lung cancer (NSCLC).

Methods Patients were randomized to either L-BLP25 plus best supportive care (BSC) or BSC alone. Patients in the L-BLP25 arm received subcutaneous vaccinations of L-BLP25 930 lg weekly for 8 weeks, followed by maintenance vaccinations at 6-week intervals.

Results Median survival time was 4.2 months longer in patients receiving L-BLP25 plus BSC (n = 88) than in those receiving BSC alone (n = 83; 17.2 months vs. 13.0 months, respectively; hazard ratio [HR] 0.745, 95% confidence interval [CI] 0.533–1.042). The 3-year survival rate was 31% in patients receiving L-BLP25 plus BSC and 17% in those receiving BSC (P = 0.035).

In the stratified subset of patients with stage IIIB loco-regional (LR) disease (this is the new trial design), median survival time was 17.3 months longer in patients receiving L-BLP25 plus BSC (n = 35) than in those receiving BSC (n = 30; 30.6 months vs. 13.3 months, respectively; HR 0.548, 95% CI 0.301–0.999). In this subgroup, 3-year survival was 49% in patients receiving L-BLP25 plus BSC and 27% in those receiving BSC (P = 0.070). (decent considering the subset size)

Conclusions Confirming the initial results, further followup continues to show that survival time for patients with stage IIIB/IV NSCLC was longer with L-BLP25 plus BSC compared with BSC alone, with the greatest difference seen in patients with stage IIIB LR disease.

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