Nantes University Hospital

BERLIN and WURZBURG, Germany I November 21, 2024 I Pentixapharm Holding AG, a biopharmaceutical company developing innovative first-in-class radiopharmaceuticals, today announced that the first patient has been treated in a Phase I/II clinical trial evaluating the safety and efficacy of Lu177-PentixaTher, a novel radiopharmaceutical therapy, in adults for relapsed/refractory CXCR4 positive acute myeloid leukemia (AML) and acute lymphoblastic leukemia (ALL). The trial, funded by the French Ministry of Health and led by a renowned investigator team from the University Hospital in Nantes, represents a significant step toward expanding targeted radiotherapy options for hematologic malignancies. The investor-initiated study, named PENTILULA (ClinicalTrials.gov ID: NCT06356922) is a multicenter, open-label trial in which up to 21 patients with relapsed/refractory AML or ALL will be enrolled over a period of 24 months, with a total study duration of 36 months. The primary objective is to determine the maximal tolerated dose (MTD) of Lu177-PentixaTher, and to examine key efficacy parameters such as overall response rate (ORR) and complete remission (CR) after infusion of the novel radiotherapeutic agent. Following a peer-reviewed publication in January 2023 in the prestigious Journal of Nuclear Medicine highlighting promising clinical results in the treatment of patients suffering from T-cell lymphoma, further evidence continues to be built up about the potential of Pentixapharm’s lead candidate, PentixaTher, for the treatment of haemato-oncological diseases. The study is significant for Pentixapharm insofar as the incidence of ALL and AML, and hence the medical need, is much higher than that for T-Cell lymphoma. The PENTILULA trial is the first trial that combines PentixaTher with Lutetium-177, a radioisotope widely and successfully used for the treatment of castration resistant prostate cancer or neuroendocrine tumors. Acute myeloid leukemia (AML) and acute lymphoblastic leukemia (ALL) are aggressive and life-threatening blood cancers that affect thousands of people worldwide each year. AML is the most common type of acute leukemia in adults, with an incidence of approximately 20,000 new cases per year and low five-year survival rate of 31.9% in the United States [1]. ALL is the most common type of cancer in children, with a high incidence in adults as well. Current treatment options often involve intensive chemotherapy and stem cell transplantation, which can have severe side effects. Effective radiotherapies in other indications are currently reimbursed with more than 100,000 USD per patient. “Although treatments for acute leukemia have advanced, many patients continue to have limited options and face poor outcomes. We believe PentixaTher holds significant potential to address these unmet needs, offering a valuable radiopharmaceutical theranostic approach tailored to the individual patients with hematologic malignancies,” explains Dr. Dirk Pleimes, Group CEO and CMO at Pentixapharm. “We are delighted that leading experts such as Professor Françoise Kraeber-Bodéré of the Nuclear Medicine Department and Professor Patrice Chevallier of the Hematology Department in Nantes have decided to initiate this study to evaluate this novel radiotherapeutic treatment option. We are committed to providing our full support, leveraging our therapeutic knowledge with PentixaTher and facilitating access to the compound to drive this important research forward.” Professor Françoise Kraeber-Bodéré is the Head of the department of Nuclear Medicine at the University Hospital in Nantes, France, and an expert of the Oncology committee of the French Society of Nuclear Medicine (SFMN) as well as of the Oncology and Therapy committee of the European Association of Nuclear Medicine. She is on the scientific board of the French Lymphoma research group LYSA and expert for PET imaging in lymphoma and myeloma. Professor Patrice Chevallier is a specialist in Hematology and member of the executive committee and scientific council of HéMA, an umbrella organization for hemato-oncological research in Western France. About Pentixapharm Pentixapharm is a clinical-stage biotech company discovering and developing novel targeted radiopharmaceuticals with its offices in Berlin and Würzburg, Germany. It is committed to developing CXCR4 ligand-based first-in-class radiopharmaceutical approaches with a clear commercial pathway for diagnostic and therapeutic programs in a number of hematological and solid cancers, as well as cardiovascular, endocrine and inflammatory diseases. Its Pipeline includes PentixaTher, an Yttrium-90 or Lutetium-177 based therapeutic against non-Hodgkin lymphomas (NHL), and PentixaFor, a Gallium-68 based companion diagnostic for blood cancers and cardiovascular diseases. PentixaTher is an innovative radiotherapeutic that specifically targets the chemokine-4 receptor (CXCR4). Background material about its potential for the treatment of haematooncological diseases can be found at: About Nantes University Hospital Nantes University Hospital (CHU de Nantes) is one of France’s leading healthcare institutions, recognized for its excellence in various medical specialties including cardiology, transplants, oncology, and neuroscience. The hospital is also a key player in medical research and innovation, conducting thousands of clinical trials and contributing to significant advancements in healthcare. [1] https://seer.cancer.gov/statfacts/html/amyl.html SOURCE: Pentixapharm

BERLIN and WURZBURG, Germany, Nov. 21, 2024 (GLOBE NEWSWIRE) -- Pentixapharm Holding AG, a biopharmaceutical company developing innovative first-in-class radiopharmaceuticals, today announced that the first patient has been treated in a Phase I/II clinical trial evaluating the safety and efficacy of Lu177-PentixaTher, a novel radiopharmaceutical therapy, in adults for relapsed/refractory CXCR4 positive acute myeloid leukemia (AML) and acute lymphoblastic leukemia (ALL). The trial, funded by the French Ministry of Health and led by a renowned investigator team from the University Hospital in Nantes, represents a significant step toward expanding targeted radiotherapy options for hematologic malignancies. The investor-initiated study, named PENTILULA (ClinicalTrials.gov ID: NCT06356922) is a multicenter, open-label trial in which up to 21 patients with relapsed/refractory AML or ALL will be enrolled over a period of 24 months, with a total study duration of 36 months. The primary objective is to determine the maximal tolerated dose (MTD) of Lu177-PentixaTher, and to examine key efficacy parameters such as overall response rate (ORR) and complete remission (CR) after infusion of the novel radiotherapeutic agent. Following a peer-reviewed publication in January 2023 in the prestigious Journal of Nuclear Medicine highlighting promising clinical results in the treatment of patients suffering from T-cell lymphoma, further evidence continues to be built up about the potential of Pentixapharm’s lead candidate, PentixaTher, for the treatment of haemato-oncological diseases. The study is significant for Pentixapharm insofar as the incidence of ALL and AML, and hence the medical need, is much higher than that for T-Cell lymphoma. The PENTILULA trial is the first trial that combines PentixaTher with Lutetium-177, a radioisotope widely and successfully used for the treatment of castration resistant prostate cancer or neuroendocrine tumors. Acute myeloid leukemia (AML) and acute lymphoblastic leukemia (ALL) are aggressive and life-threatening blood cancers that affect thousands of people worldwide each year. AML is the most common type of acute leukemia in adults, with an incidence of approximately 20,000 new cases per year and low five-year survival rate of 31.9% in the United States [1]. ALL is the most common type of cancer in children, with a high incidence in adults as well. Current treatment options often involve intensive chemotherapy and stem cell transplantation, which can have severe side effects. Effective radiotherapies in other indications are currently reimbursed with more than 100,000 USD per patient. “Although treatments for acute leukemia have advanced, many patients continue to have limited options and face poor outcomes. We believe PentixaTher holds significant potential to address these unmet needs, offering a valuable radiopharmaceutical theranostic approach tailored to the individual patients with hematologic malignancies,” explains Dr. Dirk Pleimes, Group CEO and CMO at Pentixapharm. “We are delighted that leading experts such as Professor Françoise Kraeber-Bodéré of the Nuclear Medicine Department and Professor Patrice Chevallier of the Hematology Department in Nantes have decided to initiate this study to evaluate this novel radiotherapeutic treatment option. We are committed to providing our full support, leveraging our therapeutic knowledge with PentixaTher and facilitating access to the compound to drive this important research forward.” Professor Françoise Kraeber-Bodéré is the Head of the department of Nuclear Medicine at the University Hospital in Nantes, France, and an expert of the Oncology committee of the French Society of Nuclear Medicine (SFMN) as well as of the Oncology and Therapy committee of the European Association of Nuclear Medicine. She is on the scientific board of the French Lymphoma research group LYSA and expert for PET imaging in lymphoma and myeloma. Professor Patrice Chevallier is a specialist in Hematology and member of the executive committee and scientific council of HéMA, an umbrella organization for hemato-oncological research in Western France. About Pentixapharm Pentixapharm is a clinical-stage biotech company discovering and developing novel targeted radiopharmaceuticals with its offices in Berlin and Würzburg, Germany. It is committed to developing CXCR4 ligand-based first-in-class radiopharmaceutical approaches with a clear commercial pathway for diagnostic and therapeutic programs in a number of hematological and solid cancers, as well as cardiovascular, endocrine and inflammatory diseases. Its Pipeline includes PentixaTher, an Yttrium-90 or Lutetium-177 based therapeutic against non-Hodgkin lymphomas (NHL), and PentixaFor, a Gallium-68 based companion diagnostic for blood cancers and cardiovascular diseases. PentixaTher is an innovative radiotherapeutic that specifically targets the chemokine-4 receptor (CXCR4). Background material about its potential for the treatment of haematooncological diseases can be found at: https://edoc.mdc-berlin.de/id/eprint/24012/1/24012oa.pdf About Nantes University Hospital Nantes University Hospital (CHU de Nantes) is one of France's leading healthcare institutions, recognized for its excellence in various medical specialties including cardiology, transplants, oncology, and neuroscience. The hospital is also a key player in medical research and innovation, conducting thousands of clinical trials and contributing to significant advancements in healthcare. For more information, please contact: Pentixapharm Holding AGPhillip Eckert, Investor Relationsir@pentixapharm.comTel. +49 30 94893232www.pentixapharm.com [1] https://seer.cancer.gov/statfacts/html/amyl.html

NANTES, France I November 4, 2024 I OSE Immunotherapeutics SA (ISIN: FR0012127173; Mnemo: OSE), today reported positive results from the induction period of the CoTikiS randomized, double-blind, placebo-controlled, Phase 2 study of Lusvertikimab (OSE-127) demonstrating a strong efficacy and favorable safety profile in moderate to severe active ulcerative colitis (UC). Topline results from the CoTikiS Phase 2 Study The randomized, double-blind Phase 2 clinical trial CoTikiS has evaluated the efficacy and the safety of Lusvertikimab versus placebo in 136 patients with moderate to severe active UC who failed or lost response to previous treatment(s)*. CoTikiS is a 50-week study, with a 10-week induction period evaluating two doses (450mg or 850mg) of Lusvertikimab against placebo, a 24-week additional open label treatment extension period (OLE) during which all subjects received Lusvertikimab 850mg infusions every 4 weeks and a 16-week safety follow-up period free of treatment. Lusvertikimab (Lusv) met the primary efficacy endpoint defined by the improvement of the Modified Mayo Score (MMS)** at week 10 (W10) at the two doses tested and demonstrated statistically significant and clinically meaningful results on key secondary endpoints. A favorable safety profile was observed during both the induction period and during the 6 months of open-label extension period trial. 134 patients were analyzed in the W0-W10 period [group 850mg (50 patients); group 450mg (35 patients); drug group pooled 850mg + 450mg (85 patients); group placebo (49 patients)]. A total of 120 patients treated with Lusvertikimab participated to the additional 24-week OLE treatment period. Final analysis of the primary endpoint at W10*** Improvement of the global Disease Activity Index of UC (MMS) Key secondary endpoint results at W10 Clinical remission**** Endoscopic remission (endoscopic score at 0) Endoscopic improvement (endoscopic score ≤ 1 point) Ulcerative Colitis Endoscopic index of Severity***** (UCEIS score decreases at week 10) Safety Profile Lusvertikimab displayed a good safety profile and was well tolerated, with no difference between both dose groups and placebo in the incidence of drug related serious adverse events (SAEs), adverse events (AEs) leading to discontinuation, severe drug-related AEs, opportunistic infections or infusion reactions during the induction period. In addition, no safety signal was observed in the patient population who received 850mg of Lusvertikimab for an additional 24-week period in the OLE, regardless of the initial randomization groups. Pr. Arnaud Bourreille, Associate professor in Gastroenterology, Institut des Maladies de l’Appareil Digestif, Nantes University Hospital, Principal/ Scientific coordination of the CoTikiS study , said: “We are very excited to share these positive topline efficacy results which could establish Lusvertikimab as a potential new breakthrough therapeutic option for UC patients. We are beyond enthusiastic with the very high endoscopy efficacy and what it could mean for patients suffering from chronic ulcerative colitis. This promising drug-candidate with a differentiated mode of action and very good safety profile needs to be further actively explored in ulcerative colitis and in other indications. We are grateful to all the investigators and patients for their participation in this study and we are eager to present a more complete clinical and biomarkers data set in future medical congresses.” Nicolas Poirier, Chief Executive Officer of OSE Immunotherapeutics , adds: “These impressive efficacy and safety results represent a major milestone in the clinical development of Lusvertikimab and a strong catalyst for the subsequent steps. Lusvertikimab has clearly demonstrated meaningful clinical proof-of-efficacy in UC and we are now looking forward to further evaluating it in additional studies with the ultimate goal of making this innovative therapy accessible to millions of patients in need of more efficacious and safe treatments. Lusvertikimab is a pure interleukin-7 receptor antagonist mAb and we believe it has a broad first-in-class potential in various chronic inflammatory and autoimmune diseases. We look forward to making progress on this strategy and to go ahead with the most relevant partners.” * Previous corticosteroids, immunosuppressive agents or previous biological treatments. ** Ulcerative Colitis is a chronic inflammatory disease of the rectum and colon characterized by mucosal inflammation, abdominal pain associated with symptoms and frequency of diarrhea and rectal bleeding. The moderate to severe UC is measured by a Modified Mayo Score (MMS) between 4 and 9, inclusive. The primary endpoint is the mean change at Week 10 from baseline in the Modified Mayo Score, a Disease Activity Index for UC defined by the addition of the stool frequency and the rectal bleeding sub-scores (two patient’s clinical elements as Patient Reported Outcomes) and the endoscopic sub-score (mucosal endoscopy activity), assessed by an endoscopist through a central reading platform. *** An interim Futility analysis performed early (about 30% of patients) by the IDMC proposed interruption of the 450 mg group for risk of futility. The 850 mg group was initially considered as primary analysis, in the final analysis the futility of the 450mg was not confirmed. SAP (Statistical Analysis Plan) Addendum: Results of 450mg group reconsidered with all patients already included in this group. In addition, the two groups have been pooled for the drugs cohort to a global treatment effect. **** Clinical remission at Week 10, a modified Mayo score of ≤ 2 points with no individual sub-score of > 1 point and a rectal bleeding at 0, therefore a stool frequency score of 0 or 1 and an endoscopic score of 0 or 1. ***** Ulcerative Colitis Endoscopic Index of Severity, UCEIS, is a validated endoscopic scoring tool with lower interobserver variability, score change at Week 10 from baseline measuring specific subscores: vascular pattern/ presence of bleeding/ erosions and ulcerations (Pabla B S et al Gastroenterol Clin North Am. 2020). About OSE Immunotherapeutics OSE Immunotherapeutics is a biotech company dedicated to developing first-in-class assets in immuno-oncology (IO) and immuno-inflammation (I&I). The Company’s current well-balanced first-in-class clinical pipeline includes: OSE Immunotherapeutics expects to generate further significant value from its three proprietary drug discovery platforms, which are central to its ambitious goal to deliver next-generation first-in-class immunotherapies: Additional information about OSE Immunotherapeutics assets is available on the Company’s website: www.ose-immuno.com . Follow us on X and LinkedIn SOURCE: OSE Immunotherapeutics