- Three-year long-term survivors and immune biomarker data in Phase 2a clinical trial in pancreatic cancer patients
- Encouraging preclinical data on STING-targeted CDNs in profoundly tolerant breast cancer model
- Three trials in progress, including an expanded Phase 2b STELLAR trial in pancreatic cancer, an exploratory cohort in the Phase 1b trial in mesothelioma and a Phase 1 trial in glioblastoma multiforme
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Separately, three additional posters were presented at the
The STELLAR (Safety and Therapeutic Efficacy of Live-attenuated Listeria/GVAX with Anti-PD1 Regimen) poster highlighted the randomized, controlled trial that now has an increased enrollment target of 102 adult patients with metastatic pancreatic cancer who have failed one prior chemotherapy regimen for metastatic disease. Patients are randomized equally to one of two arms: Arm A with CRS-207/GVAX Pancreas vaccine and nivolumab or Arm B with CRS-207/GVAX Pancreas vaccine. The primary objective of this study is to compare the overall survival of patients in Arm A and Arm B. Secondary endpoints include evaluation of clinical and immune response and safety. For more information, please visit ClinicalTrials.gov (Identifier: NCT02243371). With the increased enrollment target, Aduro now expects enrollment to be completed in the second half of 2016 and continues to expect interim data in the second half of 2016.
A separate poster highlighted an expansion cohort in the Phase 1b clinical trial of CRS-207 in combination with chemotherapy. In this second cohort, eligible patients will first receive low-dose cyclophosphamide (Cy) one day prior to receiving two prime vaccinations with CRS-207 two weeks apart, followed by up to six cycles of standard-of-care pemetrexed and cisplatin chemotherapy three weeks apart and two CRS-207 boost vaccinations three weeks apart. Cy has been added to the regimen for the second cohort of patients to evaluate whether the triplet regimen improves tumor responses by reducing regulatory T-cells with Cy. Clinically stable patients will continue to receive Cy/CRS-207 maintenance vaccinations every eight weeks and are followed every eight weeks until disease progression. Objectives of the study are safety, immunogenicity, objective tumor responses and tumor marker kinetics.
Another poster provided an overview of the investigator-sponsored Phase 1 trial to evaluate the safety and immunogenicity of Aduro’s ADU-623 in grade 3/4 gliomas (including anaplastic astrocytomas and glioblastoma brain cancers). This is a dose-escalation trial enrolling up to 18 patients. The primary objective of the trial is to identify the maximum tolerated dose and characterize the safety profile of the ADU-623 vaccine in patients with treated and recurrent grade 3/4 astrocytomas. For more information, please visit ClinicalTrials.gov (Identifier: NCT01967758).
CRS-207 is one of a family of product candidates based on Aduro’s live-attenuated, double-deleted (LADD) Listeria monocytogenes immunotherapy platform that induces a potent innate and T cell-mediated adaptive immune response. CRS-207 has been engineered to express the tumor-associated antigen mesothelin, which is over-expressed in many cancers including mesothelioma and pancreatic, non-small cell lung, ovarian, endometrial and gastric cancers.
About Cyclic Dinucleotide (CDN)
Aduro’s proprietary CDN product candidates are synthetic small molecule immune modulators that are designed to target and activate a receptor known as the Stimulator of Interferon Genes, or STING. The STING receptor is generally expressed at high levels in immune cells, including dendritic cells. Once activated, the STING receptor initiates a profound innate immune response through multiple pathways, inducing the expression of a broad profile of cytokines, including interferons and chemokines. This subsequently leads to the development of an effective tumor antigen-specific T cell adaptive immune response.
About LADD and ADU-623
LADD is Aduro’s proprietary platform of live-attenuated double-deleted Listeria monocytogenes strains that have been engineered to induce a potent innate immune response and to express tumor-associated antigens to induce tumor-specific T cell-mediated immunity. ADU-623 is engineered to express EGFRvIII and NY-ESO-1, which are expressed in glioblastoma and other cancers.
Cautionary Note on Forward-Looking Statements
This press release contains forward-looking statements for purposes of the safe harbor provisions of the Private Securities Litigation Reform Act of 1995. Forward-looking statements include statements regarding our intentions or current expectations concerning, among other things, the potential for our technology, plans and timing of our clinical trials and the potential for eventual regulatory approval, commercialization and launch of our product candidates. In some cases you can identify these statements by forward-looking words such as “believe,” “may,” “will,” “estimate,” “continue,” “anticipate,” “intend,” “could,” “would,” “project,” “plan,” “expect” or the negative or plural of these words or similar expressions. Forward-looking statements are not guarantees of future performance and are subject to risks and uncertainties that could cause actual results and events to differ materially from those anticipated, including, but not limited to, our history of net operating losses and uncertainty regarding our ability to achieve profitability, our ability to develop and commercialize our product candidates, our ability to use and expand our technology platforms to build a pipeline of product candidates, our dependence on our lead product candidate, CRS-207, and GVAX Pancreas, our ability to obtain and maintain regulatory approval of our product candidates, our inability to operate in a competitive industry and compete successfully against competitors that have greater resources than we do, our reliance on third parties, and our ability to obtain and adequately protect intellectual property rights for our product candidates. We discuss many of these risks in greater detail under the heading "Risk Factors" contained in the most recent Form 10-Q which is on file with the
Sylvia WheelerSVP, Corporate Affairs 510 809 9264 Media Contact: Angela Bitting925 202 6211 firstname.lastname@example.org