On September 9, 2021 GlaxoSmithKline (GSK) plc reported that it will present new data across the Company’s oncology pipeline and portfolio at the upcoming European Society for Medical Oncology (ESMO) (Free ESMO Whitepaper) Congress 2021 (16-21 September), including new data on JEMPERLI (dostarlimab) and ZEJULA (niraparib), as well as early-stage research in immuno-oncology and oncology cell therapy (Press release, GlaxoSmithKline, SEP 9, 2021, https://www.gsk.com/en-gb/media/press-releases/gsk-to-highlight-continued-progress-in-oncology-pipeline-and-portfolio-with-data-presented-at-esmo/ [SID1234587454]). With 13 presentations at the meeting (12 GSK-sponsored and one GSK-supported), GSK will demonstrate its momentum in advancing dostarlimab and niraparib, and provide new insights into investigational therapies through early-stage research.
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The data being presented at ESMO (Free ESMO Whitepaper) reflect GSK’s commitment to strengthening its oncology pipeline across its focus areas of immuno-oncology, synthetic lethality and oncology cell therapy. GSK has a diverse portfolio and pipeline, including three marketed oncology medicines and 16 assets in clinical development that leverage the science of the immune system, human genetics and advanced technologies to address a variety of tumour types.
Continuing to advance immuno-oncology therapies
Presentations from the phase I GARNET study will address anti-tumour activity by tumour mutational burden in patients with recurrent or advanced endometrial cancer (Abstract #76P) in addition to treatment-related adverse events occurring during the study (Abstract #991P). GSK will also present a real-world analysis of the demographics and survival outcomes in patients from England with advanced or recurrent endometrial cancer following platinum-based doublet therapies (Abstract #812P).
Dostarlimab is the first anti-PD-1 monotherapy approved for endometrial cancer in the European Union (EU) and received a conditional approval in April for the treatment of women with mismatch repair-deficient (dMMR) /microsatellite instability-high (MSI-H) recurrent or advanced endometrial cancer who have progressed on or following prior treatment with a platinum containing regimen. The treatment also received accelerated approval in the United States (US) for adult patients with dMMR recurrent or advanced endometrial cancer, as determined by an FDA-approved test, who have progressed on or following prior treatment with a platinum-containing regimen.
Last month, the FDA granted accelerated approval of an additional indication for dostarlimab for the treatment of adult patients with dMMR recurrent or advanced solid tumours, as determined by an FDA-approved test, who have progressed on or following prior treatment and who have no satisfactory alternative treatment options. The new indication for dostarlimab is the fourth approval for GSK oncology in less than 1.5 years, demonstrating GSK’s unyielding commitment to address the unmet needs of cancer patients.
Continued research and development in synthetic lethality
Results from the phase III PRIMA trial will examine quality-adjusted time without symptom or toxicity of niraparib in patients with advanced ovarian cancer (Abstract #738P). Additionally, GSK will present real-world analyses from three studies in patients with advanced ovarian cancer across the UK, France and US.
Niraparib is a once-daily oral monotherapy maintenance treatment approved for women with first-line platinum-responsive advanced ovarian cancer regardless of biomarker status in the US and the EU. The research that will be presented at ESMO (Free ESMO Whitepaper) bolsters the understanding of the use of this poly (ADP-ribose) polymerase (PARP) inhibitor for maintenance treatment in ovarian cancer.
GSK will also present a trial in progress poster on the recently initiated phase III ZEAL-1L study in advanced or metastatic non-small cell lung cancer, expanding the Company’s clinical development programme into other solid tumours to potentially bring niraparib to more patients.
The complete list of GSK sponsored and supported abstracts accepted by ESMO (Free ESMO Whitepaper) for presentation and/or publication from the company’s areas of oncology research is below.
Immuno-oncology
Abstract Name
Presenter
Abstract Number
Analysis of antitumor activity of dostarlimab by tumor mutational burden (TMB) in patients (pts) with endometrial cancer (EC) in the GARNET trial
Oaknin, A
#76P
Demographics and survival outcomes in patients with advanced or recurrent endometrial cancer (EC) following platinum-based doublet (PBD) in the English real-world (RW) setting
Heffernan, K
#812P
Treatment-related adverse events (TRAEs) occurring during dostarlimab therapy in the GARNET study
Andre, T
#991P
ENGOT-EN6/GOG-3031/NSGO-RUBY Part 2: A phase 3, randomized, double-blind, study of dostarlimab + carboplatin-paclitaxel followed by
dostarlimab + niraparib versus placebo (PBO) + carboplatin-paclitaxel followed by PBO in recurrent or advanced endometrial cancer (EC)
Mirza, MR
#820TiP
Adverse event management during treatment with bintrafusp alfa, a bifunctional fusion protein targeting TGF-β and PD-L1: treatment guidelines based on experience in clinical trials
Gulley, J
#1689P
Long-term follow-up of patients (pts) with human papillomavirus (HPV)–associated malignancies treated with bintrafusp alfa, a bifunctional fusion protein targeting TGF-β and PD-L1
Strauss, J
#957O
Synthetic Lethality
Abstract Name
Presenter
Presentation Details
Impact of residual disease on outcomes in patients with ovarian cancer: A meta-analysis
Chase, D
#761P
Ovarian Cancer Retrospective European (O’CaRE) observational study to assess burden of disease and time to next treatment in real-world clinical practice: results from the United Kingdom (UK)
McGrane, J
#745P
Quality-Adjusted Time without Symptom or Toxicity (Q-TWiST) and Quality-Adjusted Progression-Free Survival (QA-PFS) of First-Line (1L) maintenance niraparib in patients with advanced Ovarian Cancer (OC) – Results from the PRIMA trial
Barretina-Ginesta, P
#738P
Real-world clinical outcomes of patients with de novo advanced high-grade epithelial ovarian cancer eligible to niraparib maintenance in France
Rodrigues, M
#746P
Survival in patients (pts) with advanced ovarian cancer (AOC) changes with cumulative number of risk factors (RFs), a US real-world (RW) analysis
Chase, D
#742P
First-line (1L) maintenance therapy with niraparib (nira) + pembrolizumab (pembro) vs placebo + pembro in advanced/metastatic non-small cell lung cancer (NSCLC): Phase III ZEAL-1L study
Ramalingam, S
#1360TiP
Oncology Cell Therapy
Abstract Name
Presenter
Presentation Details
A novel, comprehensive glimpse at NY-ESO-1 expression, mRNA to protein translation, & potential impact on clinical studies
Blouch, K
#109P
About Dostarlimab
Dostarlimab is a programmed death receptor-1 (PD-1)-blocking antibody that binds to the PD-1 receptor and blocks its interaction with the PD-1 ligands PD-L1 and PD-L2.[1] In addition to GARNET, dostarlimab is being investigated in other registrational enabling studies, as monotherapy and as part of combination regimens, including in women with recurrent or primary advanced endometrial cancer, women with stage III or IV non-mucinous epithelial ovarian cancer, and in patients with other advanced solid tumours or metastatic cancers.
Dostarlimab was discovered by AnaptysBio and licensed to TESARO, Inc., under a Collaboration and Exclusive License Agreement signed in March 2014. The collaboration has resulted in three monospecific antibody therapies that have progressed into the clinic. These are: dostarlimab, a PD-1 antagonist; cobolimab, (GSK4069889), a TIM-3 antagonist; and GSK4074386, a LAG-3 antagonist. GSK is responsible for the ongoing research, development, commercialisation, and manufacturing of each of these Products under the Agreement.
Important Information for JEMPERLI in the EU
Indication
JEMPERLI is indicated as monotherapy for the treatment of adult patients with mismatch repair deficient (dMMR)/microsatellite instability‑high (MSI‑H) recurrent or advanced endometrial cancer that has progressed on or following prior treatment with a platinum‑containing regimen.
Refer to the JEMPERLI Prescribing Information for a full list of adverse events and the complete important safety information in the EU.
About Niraparib
Niraparib is an oral, once-daily PARP inhibitor that is currently being evaluated in multiple pivotal trials. GSK is building a robust niraparib clinical development programme by assessing activity across multiple tumour types and by evaluating several potential combinations of niraparib with other therapeutics. The ongoing development programme for niraparib includes several combination studies.
Important Information for ZEJULA
Indication
ZEJULA is indicated as monotherapy for the maintenance treatment of adult patients with advanced epithelial (FIGO Stages III and IV) high-grade ovarian, fallopian tube or primary peritoneal cancer who are in response (complete or partial) following completion of first-line platinum-based chemotherapy.
Refer to the ZEJULA Prescribing Information for a full list of adverse events and the complete important safety information.
GSK in Oncology
GSK is focused on maximising patient survival through transformational medicines. GSK’s pipeline is focused on immuno-oncology, cell therapy, tumour cell targeting therapies and synthetic lethality. Our goal is to achieve a sustainable flow of new treatments based on a diversified portfolio of investigational medicines utilising modalities such as small molecules, antibodies, antibody-drug conjugates and cell therapy, either alone or in combination.
GSK is a science-led global healthcare company. For further information please visit www.gsk.com/about-us.