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BerGenBio Presents New Preliminary Clinical and Biomarker Data Showing Durable Response & Median Survival Rates in Phase II Trial With Bemcentinib and KEYTRUDA in Pts With Advanced NSCLC at ASCO 2019

CHICAGO, June 2, 2019 /PRNewswire/ -- BerGenBio ASA (OSE: BGBIO) a clinical-stage biopharmaceutical company developing novel, selective AXL kinase inhibitors for multiple cancer indications, today presents updated data from its Phase II clinical trial (BGBC008, NCT03184571) with bemcentinib and Merck's anti-PD-1 therapy KEYTRUDA (pembrolizumab) in patients with advanced non-small cell lung cancer (NSCLC) at the 2019 annual meeting of the American Society of Clinical Oncology (ASCO) in Chicago, Illinois (31 May - 4 June 2019).

At data cut off, 35 out of 46 enrolled patients were evaluable; 58% were AXL +ve, and 53% were PD-L1 negative (<1%TPS), and a further 39% were PD-L1 (1-49% TPS). An objective response rate of 40% was achieved in AXL +ve patients, irrespective of the patients PD-L1 score; and an overall response rate of 29% was achieved. The median survival rate of 12.2 months was observed at the time of data cut-off, significantly surpassing what has been shown historically in second line treatment with PD-1 inhibitor monotherapy.

The combination treatment of bemcentinib and pembrolizumab was overall well-tolerated; the most common adverse events included transaminase increase (35%), fatigue (30%), and diarrhoea (26%). No grade 5 treatment related adverse events were reported and all events were reversible.

Principal investigator Enriqueta Filip, Vall d'Hebron University Hospital, Barcelona:  "Following the rapid uptake of checkpoint inhibitors in first-line lung cancer therapy, treatment options for NSCLC cancer patients that have not responded to anti-PD-1 therapies such as KEYTRUDA represent a significant unmet medical need. These data, which suggest that combination therapy with bemcentinib has the potential to enhance patient responses to these novel agents, particularly in patients with no or limited expression of PD-L1, is a very significant and encouraging development."

Richard Godfrey, Chief Executive Officer of BerGenBio, commented: "The clinical activity we are presenting here today surpasses what has been shown historically in previously-treated, PD-L1 low patients on PD-1 inhibitor monotherapy, and supports the hypothesis that AXL is implicated in the failure of anti-PD-L1 therapies. Further investigation is warranted and having recently extended the trial to include patients showing disease progression on checkpoint inhibitors, we will continue to test this hypothesis and look forward to providing further updates during 2019."

About NSCLC

It is estimated that more than 230,000 new cases of lung cancer have been diagnosed in the US in 2018 and it is the leading cause of cancer deaths. 65% of non-small cell lung cancers (NSCLC) are of adenocarcinoma pathology. Although various treatments exist for NSCLC, they are often curtailed by acquired resistance to therapy and immune evasion. Novel treatments overcoming these mechanisms in NSCLC are urgently required.

About the BGBC008 trial

The BGBC008 trial is a Phase II open-label study of bemcentinib in combination with KEYTRUDA (pembrolizumab) in previously treated patients with advanced adenocarcinoma of the lung, run at centres in the US, UK, Spain and Norway. The objective of the trial is to determine the anti-tumour activity of this novel drug combination and responses will be correlated with biomarker status (including AXL kinase and PD-L1 expression).

Patients eligible for participation in Cohort A must have progressed on or after prior therapy excluding immunotherapy whereas patients in Cohort B will be actively progressing on a therapy regimen containing an anti-PD(L)-1 therapy.

Both cohorts follow a two-stage design, Cohort A has previously successfully progressed into the second stage after meeting its first efficacy endpoint. Cohort B will evaluate advancement into stage 2 after 13 patients have been assessed for response.

For more information please access trial NCT03184571 at www.clinicaltrials.gov.

About BerGenBio  

BerGenBio is a clinical-stage biopharmaceutical company focused on developing transformative drugs targeting AXL as a potential cornerstone of therapy for aggressive diseases, including immune-evasive, therapy resistant cancers. The company's proprietary lead candidate, bemcentinib, is a potentially first-in-class selective AXL inhibitor in a broad Phase II oncology clinical development programme focused on combination and single agent therapy in lung cancer and leukaemia. A first-in-class functional blocking anti-AXL antibody is undergoing Phase I clinical testing. In parallel, BerGenBio is developing a companion diagnostic test to identify those patient populations most likely to benefit from bemcentinib: this is expected to facilitate more efficient registration trials supporting a precision medicine-based commercialisation strategy. BerGenBio is based in Bergen, Norway with a subsidiary in Oxford, UK. The company is listed on the Oslo Stock Exchange (ticker: BGBIO). For more information, visit www.bergenbio.com 

Contacts

Richard Godfrey CEO, BerGenBio ASA
+47 917 86 304

Rune Skeie, CFO, BerGenBio ASA
rune.skeie@bergenbio.com
+47 917 86 513

International Media and Investor Relations 

Mary-Jane Elliott, Chris Welsh, Jessica Hodgson, Nicholas Brown, Carina Jurs, Consilium Strategic Communications
bergenbio@consilium-comms.com 
+44 20 3709 5700

Media Relations in Norway

Jan Petter Stiff, Crux Advisers
stiff@crux.no
+47 995 13 891

Forward looking statements 

This announcement may contain forward-looking statements, which as such are not historical facts, but are based upon various assumptions, many of which are based, in turn, upon further assumptions. These assumptions are inherently subject to significant known and unknown risks, uncertainties and other important factors. Such risks, uncertainties, contingencies and other important factors could cause actual events to differ materially from the expectations expressed or implied in this announcement by such forward-looking statements.

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SOURCE BerGenBio ASA