OSE Immunotherapeutics Announces the Appointment of Dominique Costantini as Interim CEO Following the Departure of Alexis Peyroles

NANTES, France, Jan. 17, 2022 (GLOBE NEWSWIRE) — OSE Immunotherapeutics SA (ISIN: FR0012127173; Mnemo: OSE) today announced the departure of Alexis Peyroles as Chief Executive Officer. Dominique Costantini, current Chairwoman of OSE Immunotherapeutics’ Board of Directors, and previously CEO from 2012 to 2018, has been appointed interim Chief Executive Officer, effective immediately. A search for a new CEO has been launched with the assistance of a leading executive search firm.

Alexis Peyroles is stepping down for health reasons and he remains committed to OSE’s success. He will continue to support the company in a consulting capacity for the upcoming months to ensure a smooth transition.

During this transition period, Dominique Costantini will rely on OSE’s reinforced leadership team, including notably Laurence de Schoulepnikoff, today Chief Business Officer, appointed as Chief Operating Officer of the Company, functions which she previously held at AMAL Therapeutics.

Dominique Costantini, Chairwoman and Chief Executive Officer of OSE Immunotherapeutics, said: “We thank Alexis for his strong involvement and wish him the very best. Thanks to Alexis’s leadership, as company COO since OSE’s early days and then as CEO since 2018, OSE became a significant player in immunology & inflammation and immuno-oncology. Three major pharma partnering agreements were signed, a diversified pipeline of best and first-in-class products was built, and a very strong team has been set up. Alexis will continue to support the company as an advisor to ensure the best transition possible.”

Dominique Costantini added: “I warmly thank the Board of Directors for their trust as we are entering a new phase of growth, a transformative time focused on advancing our innovative clinical and preclinical assets in immunology & inflammation and immuno-oncology. We are committed to ensuring a successful evolution in recruiting the best candidate to lead this next step for OSE.”

ABOUT OSE Immunotherapeutics
OSE Immunotherapeutics is an integrated biotechnology company focused on developing and partnering therapies to control the immune system for immuno-oncology and autoimmune diseases. The company’s immunology research and development platform is focused on three areas: T-cell-based vaccination, Immuno-Oncology (focus on myeloid targets), Auto-immunity & Inflammation. Its balanced first-in-class clinical and preclinical portfolio has a diversified risk profile:

Vaccine platform

• Tedopi^® (innovative combination of neoepitopes): the company’s most advanced product; positive results for Phase 3 trial (Atalante 1) in Non-Small Cell Lung Cancer patients after secondary resistance to checkpoint inhibitors.
  In Phase 2 in pancreatic cancer (TEDOPaM), sponsor GERCOR.
  In Phase 2 in ovary cancer, in combination with pembrolizumab (TEDOVA), sponsor ARCAGY-GINECO.
  In Phase 2 in non-small cell lung cancer in combination with nivolumab, sponsor Italian foundation FoRT.
• CoVepiT: a prophylactic second-generation vaccine against COVID-19, developed using SARS-CoV-2 optimized epitopes against multi variants. Clinical data (Nov. 2021) validating the multi-target vaccine show good tolerance and promising efficacy signals. Results from 6-month memory T cell responses expected Q1 2022.

Immuno-oncology platform

• BI 765063 (OSE-172, anti-SIRPα mAb on CD47/SIRPα pathway): developed in partnership with Boehringer Ingelheim in advanced solid tumors; positive Phase 1 dose escalation results of BI 765063 in monotherapy or in combination with ezabenlimab (PD-1 antagonist); Expansion Phase 1 open for screening.
• CLEC-1 (novel myeloid checkpoint target): identification of mAb antagonists of CLEC-1 blocking the “Don’t Eat Me” signal that increase both tumor cell phagocytosis by macrophages and antigen capture by dendritic cells.
• BiCKI^®: bispecific fusion protein platform built on the key backbone component anti-PD-1 (OSE-279) combined with new immunotherapy targets; 2^nd generation of PD-(L)1 inhibitors to increase antitumor efficacity.

Auto-immunity and inflammation platform

• FR104 (anti-CD28 monoclonal antibody): Licensing partnership agreement with Veloxis in the organ transplant market; ongoing Phase 1/2 in renal transplant (sponsored by the Nantes University Hospital); Phase 2-ready asset in an autoimmune disease indication.
• OSE-127/S95011 (humanized monoclonal antibody targeting IL-7 receptor): developed in partnership with Servier; positive Phase 1 results; in Phase 2 in ulcerative colitis (OSE sponsor) and an independent Phase 2a ongoing in Sjögren’s syndrome (Servier sponsor).
• OSE-230 (ChemR23 agonist mAb): first-in-class therapeutic agent with the potential to resolve chronic inflammation by driving affected tissues to tissue integrity.

For more information: https://ose-immuno.com/en/

Click and follow us on Twitter and LinkedIn
https://twitter.com/OSEIMMUNO
https://www.linkedin.com/company/10929673

Forward-looking statements
This press release contains express or implied information and statements that might be deemed forward-looking information and statements in respect of OSE Immunotherapeutics. They do not constitute historical facts. These information and statements include financial projections that are based upon certain assumptions and assessments made by OSE Immunotherapeutics’ management in light of its experience and its perception of historical trends, current economic and industry conditions, expected future developments and other factors they believe to be appropriate.

These forward-looking statements include statements typically using conditional and containing verbs such as “expect”, “anticipate”, “believe”, “target”, “plan”, or “estimate”, their declensions and conjugations and words of similar import. Although the OSE Immunotherapeutics management believes that the forward-looking statements and information are reasonable, the OSE Immunotherapeutics’ shareholders and other investors are cautioned that the completion of such expectations is by nature subject to various risks, known or not, and uncertainties which are difficult to predict and generally beyond the control of OSE Immunotherapeutics. These risks could cause actual results and developments to differ materially from those expressed in or implied or projected by the forward-looking statements. These risks include those discussed or identified in the public filings made by OSE Immunotherapeutics with the AMF. Such forward-looking statements are not guarantees of future performance. This press release includes only summary information and should be read with the OSE Immunotherapeutics Universal Registration Document filed with the AMF on 15 April 2021, including the annual financial report for the fiscal year 2020, available on the OSE Immunotherapeutics’ website. Other than as required by applicable law, OSE Immunotherapeutics issues this press release at the date hereof and does not undertake any obligation to update or revise the forward-looking information or statements.