On June 4, 2021 Heat Biologics, Inc. (Nasdaq: HTBX), a clinical-stage biopharmaceutical company focused on developing first-in-class therapies to modulate the immune system, reported that Dr. Roger B. Cohen, MD, Professor of Medicine at the University of Pennsylvania Perelman School of Medicine, presented an overview of the latest HS-110 data at the 2021 American Society of Clinical Oncology (ASCO) (Free ASCO Whitepaper) Annual Meeting which is being held from June 4-8, 2021 (Press release, Heat Biologics, JUN 4, 2021, View Source [SID1234583527]). This poster presentation can be viewed on Heat Biologics’ website at: View Source The ASCO (Free ASCO Whitepaper) Annual Meeting is the world’s largest oncology conference showcasing the latest advancements in cancer research.

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HS-110, in combination with a checkpoint inhibitor (CPI), is a potentially transformational agent to improve survival benefit for patients with non-small cell lung cancer (NSCLC). This is a first-in-class, allogeneic, off-the shelf cell-based therapy developed by Heat leveraging its proprietary gp96 platform. At this year’s ASCO (Free ASCO Whitepaper) meeting, the Company is pleased to report the latest data of HS-110 in combination with OPDIVO (nivolumab) in two distinct treatment settings in a total of 115 previously treated patients with NSCLC:

Median overall survival (mOS) of 24.6 months was observed in previously treated, CPI naïve patients with advanced NSCLC (Cohort A, n=47). This data compares favorably with published data of Checkmate 057, which reported a mOS of 12.2 months in patients who received nivolumab as single agent in a similar treatment setting.
mOS of 11.9 months was reported in NSCLC patients who were previously treated with CPI and whose disease had subsequently progressed (Cohort B, n=68). Published data from other studies stated median OS of 6.8 to 9.0 months for NSCLC patients treated with chemotherapies after CPI progression.
Multiple subset analyses including injection-site reaction (ISR) and tumor PD-L1 expression were performed.
Significantly longer mOS was observed in patients with ISR compared with those without such a reaction for both Cohorts A and B.
Extended survival benefit was observed in PD-L1 positive patients in Cohort A.
A trend of improved overall survival was observed in patients with low blood tumor mutation burden in Cohort B.
Dr. Roger B. Cohen, Professor of Medicine at the University of Pennsylvania Perelman School of Medicine, commented, "HS-110 is a promising agent for treatment of incurable NSCLC. The latest data presented support further clinical evaluation in combination with first line regimens that include a CPI as well as addressing high unmet medical needs for CPI progressors."

Jeff Wolf, Chief Executive Officer of Heat, commented, "This data further reinforces the potential utility of HS-110 in combination with a CPI for multiple treatment settings of NSCLC. The growing body of clinical data demonstrates that HS-110 in combination with a CPI is well tolerated and has the potential to enhance survival benefit when given with a CPI. Our latest results, consistent with previously reported data, provide a strong foundation for the Company to discuss possible Phase 3 registration trial designs with the FDA and potential partners."

About HS-110
HS-110 is a first-in-class, off-the-shelf, allogeneic cell therapy designed to utilize gp96 for immune activation against multiple tumor testis antigens. Phase 2 trial of HS-110 in combination with Bristol Myers Squibb’s OPDIVO (nivolumab) has completed enrollment in patients with incurable or metastatic NSCLC. OPDIVO is a programmed death-1 immune checkpoint inhibitor. HS-110 has broad potential for providing multiple treatment options to NSCLC patients in combination with a PD-1 inhibitor. Positive interim survival data has been demonstrated in two distinct treatment settings in previously treated NSCLC patients who have not been treated with CPI as well as patients who have progressed during or after previous treatment with a CPI. Combination of HS-110 and PD-(L)1 therapies may confer additional survival benefit.