REGULATED INFORMATION ALLOB Phase IIb topline results foreseen in Q2 2023 ATO Phase III to be launched in 2023 Ongoing discussions for key partnerships with lead clinical assets Mont-Saint-Guibert, Belgium, April 27, 2023, 7am CET – BIOSENIC (Euronext Brussels and Paris: BIOS), the company specializing in serious autoimmune and inflammatory diseases and cell repair, today announces its business update and full year financial results for the year ending 31 December 2022, prepared in accordance with IFRS as adopted by the European Union. “BioSenic’s creation from the merger between Bone Therapeutics and Medsenic in October 2022 has resulted in a multi-platform and multi-target biotechnology company. These two platforms specialize in severe autoimmune/inflammatory diseases, as well as cellular repair for orthopedics. This increases the chance of therapeutic and clinical successes, and enables a cross-pollination between the scientific teams,” said Prof. François Rieger, President and CEO of BioSenic. “For our ATO platform, we are now in final preparations for the launch of our Phase III study in 2023, and two Phase IIb studies later on. For our cell therapy platform, the ALLOB Phase IIb trial is expecting to report in Q2 2023. Having now extended and updated our senior management and board, BioSenic is well set to establish value adding business collaborations and to further strengthen our financial position. This will enable us to drive our therapies through clinical development and deliver therapeutic options to patients suffering from a range of conditions with few therapeutic options.” Clinical and operational highlights (including post-period events) In March 2022, BioSenic redefined its strategic priorities to concentrate specifically on the development of its most advanced clinical asset, ALLOB. BioSenic implemented a number of actions to reduce its cost base to enable completion of its Phase IIb study. As a result, BioSenic focused its R&D activities to support the clinical development of ALLOB and all activities related to the development of the pre-clinical iMSCg platform as well as all other non ALLOB related activities, had been stopped. In July 2022, BioSenic announced an optimized statistical analysis and the implementation of an interim analysis for the ongoing Phase IIb clinical trial with its allogeneic bone cell therapy product, ALLOB. The amendment enabled a reduction of approximately 20% of the required patient numbers from 178 patients to 132 evaluable patients while maintaining the same statistical power. In addition, BioSenic would also introduce an interim analysis based on the assessment of radiological data from approximately 66 evaluable patients at 3 months post-administration. The interim analysis would provide an opportunity to document the efficacy of ALLOB and to achieve a relevant clinical milestone at an earlier time point. In October 2022, BioSenic regained worldwide rights to its allogeneic, off-the-shelf, bone cell therapy platform ALLOB further to the unilateral termination notice received from Shenzhen Pregene Biopharma Co., Ltd. (“Pregene”). Pregene's termination was, according to Pregene written communication, "necessitated by [alleged] regulatory reasons that due to the [purported] introduction of new laws and regulations, projects involving foreign human cell and related clinical trials will be, prohibited [in the future] in mainland China". Regaining all development manufacture and commercialization rights of ALLOB from Pregene entitled BioSenic to negotiate rights for ALLOB with, LinkHealth, and other partners. In November 2022, BioSenic provided an update on its systemic autoimmune disease platform. The autoimmune disease platform had completed a successful phase IIb trial targeting cGVHD (chronic Graft vs Host Disease), with a demonstrated efficacy of more than 75%. The phase III study of the autoimmune disease platform in cGvHD has been designed to reach the market as quickly as possible through the framework of an expedite 505b2 FDA regulatory pathway. In addition to cGVHD, BioSenic announced the preparation a randomized placebo-controlled phase IIb study with ATO in Systemic Lupus Erythematosus. Furthermore, promising preclinical data gathered by Medsenic provided clinical data to support a phase II clinical trial with ATO targeting systemic sclerosis. In February 2023, BioSenic announced an optimization its ongoing Phase IIb clinical trial with its allogeneic bone cell therapy product, ALLOB and completion of patient recruitment. The cohort of treated patients, amounting to 57 patients, is found to be sufficient for a sufficient level of significance. BioSenic’s new statistical analysis plan leads to a more objective scoring for judging the result of its innovative cell repair treatment. A RUST score difference higher than 1.26 will be considered statistically relevant. Further to the decision to end recruitment and proceed towards a full set of meaningful results, the ALLOB subscription rights shall become exercisable based on the results at month three after patient treatment, if the difference in the mean RUST scores between the placebo's arm patient population and the treated ALLOB population is found higher than 1.26 in the new statistical analysis on the effectively recruited 57 patients. On 16 March 2023, BioSenic announced that it has used the statistical analysis capabilities of Artialis to study the results of the Phase III JTA-004 trial in the subset of patients with the most painful and inflammatory form of knee osteoarthritis (OA). This allows BioSenic to distinguish a group of patients, representing about one third of the total patients, who show a pain-relieving effect of JTA-004 not only superior to placebo but also to the active comparator. By identifying three subtypes of OA, amongst which a subtype of OA patients with more severe symptoms and inflammation, this new post-hoc analysis changes the therapeutic profile of the molecule and potentially allows for the possibility of stratifying patients for a new, optimized Phase III clinical study. BioSenic, which does not intend to allocate R&D resources to support the clinical development of JTA-004 and will continue to focus its R&D activities on the development of its autoimmune (ATO) and cell therapy (ALLOB) platforms, is seeking to collaborate with existing and potential partners to explore options for the future development of JTA-004 based on this new post-hoc analysis. On 30 March 2023, BioSenic published new data providing additional details about the mechanism of action of its lead API arsenic trioxide (ATO) to prevent autoimmune diseases has now been published in a peer-reviewed paper (Frontiers in Immunology). This new data shows that combination of ATO with copper salts can allow BioSenic to work towards reducing the dosage of ATO in future trials overall and maintain efficacy. This new formulation data has been completed following pre-clinical activities and does not constitute data validated through clinical trial. On 18 April 2023, BioSenic received a key European patent from EPO, for further therapeutic development in cancer, infectious and immune disease. The patent covers the therapeutic use of a new composite formulation of anti-inflammatory compounds with unique advantages. This new formulation lowers the dosage of arsenic trioxide by combining it with copper salts to maintain therapeutic efficacy, with the potential of administration through multiple routes, including intravenous, oral and other novel routes of administration. Corporate highlights (including post-period events) In March 2022, BioSenic redefined its strategic priorities to concentrate specifically on the development of its most advanced clinical asset, ALLOB. In that context, several members of BioSenics’ management team transitioned to depart BioSenic in alignment with the focus in activity. This included Miguel Forte (CEO), Tony Ting (CSO), Stefanos Theoharis (CBO) and Lieve Creten (CFO). In May 2022, BioSenic signed the definitive subscription agreement for a maximum EUR 5 million convertible bonds (CBs) facility arranged by ABO Securities, through its affiliated entity Global Tech Opportunities 15. ABO Securities has committed to subscribe to up to EUR 5 million in CBs. The CBs would be issued and subscribed in ten tranches. In August 2022, BioSenic signed a binding contribution agreement with Medsenic, a privately held, clinical stage biopharmaceutical company incorporated in France, to combine the operations of both companies by means of a share for share exchange. The acquisition would result in the business combination of Bone Therapeutics and Medsenic to create BioSenic, a speciality biopharma company. In October 2022, BioSenic announced the closing of its acquisition of a majority participation in Medsenic. Medsenic' shareholders contributed fifty-one percent (51%) of the total outstanding share capital of Medsenic, valued at EUR 40,800,207, at a subscription price per share of EUR 0.45, which valued BioSenic at EUR 10 million. In exchange for the in-kind contribution of 51% of Medsenic' shares, 90,668,594 shares were issued by BioSenic to Medsenic shareholders. Pr. Francois Rieger, chairman and CEO of Medsenic, was appointed as chairman and CEO of BioSenic SA. Other board members appointed were Ms Véronique Pomi-Schneiter, deputy CEO of Biosenic, formerly in charge of Medsenic operations, Mr Jean-François Rax, representing Cap Innovest, Ms Revital Rattenbach, independent director and Mr Terry Sadler, independent director. The Executive leadership team consisted of François Rieger (CEO), Véronique Pomi-Schneiter (deputy CEO), and Anne Leselbaum (CMO). Furthermore, 24,463,421 ALLOB subscription rights were granted to all existing shareholders. These subscription rights allow holders to subscribe for a new share of the company if the ALLOB Phase IIB results are positive at a subscription price per share of EUR 0.45. The existing shareholders of Medsenic agreed to contribute in kind the totality of the remaining Medsenic shares held by within the next 24 - 36 months from the completion of the combination. In December 2022, BioSenic appointed Michel Wurm, M.D. as Chief Medical Officer ad interim to succeed Anne Leselbaum, M.D. Michel was responsible for the development of both of BioSenic’s cell therapy and autoimmune disease platforms. On 18 January 2023, BioSenic appointed Dr Carole Nicco as Chief Scientific Officer. Carole oversees the development of pipeline across BioSenic’s cell therapy and autoimmune disease platform and is responsible for R&D programs. On 27 January 2023, BioSenic appointed Yves Sagot as Independent Director. Yves Sagot replaced Terry Sadler as an Independent Director and Member of the Board at BioSenic. On 21 February 2023, BioSenic announced it received EUR 1 million (minus 6% taxes) from Pregene in accordance with the terminated license agreement. BioSenic regained worldwide rights to its allogeneic, off-the-shelf, bone cell therapy platform ALLOB further to the unilateral termination notice received from Shenzhen Pregene Biopharma Co., Ltd. (“Pregene”) in October 2022. BioSenic has started preliminary discussions with Pregene, Link Health and other potential partners to move forward with the development and commercialization of ALLOB in other geographies, including the US. On 3 April 2023, BioSenic appointed Lieven Huysse, MD, as Chief Medical Officer to succeed Michel Wurm, M.D. Lieven is responsible for continued progression of both BioSenic late-stage assets (ALLOB MSC platform and autoimmune ATO platform). Outlook for the remainder of 2023 In the ongoing Phase IIb ALLOB clinical study in difficult tibial fractures, BioSenic expects to report topline results by the second quarter of 2023. In October 2022, BioSenic regained worldwide rights to develop, manufacture and commercialised ALLOB following the termination by Shenzhen Pregene Biopharma Co., Ltd ("Pregene") of the exclusive license agreement entered into between BioSenic, Pregene and Link Health Pharma Co., Ltd ("LinkHealth") in October 2020. Although regulatory changes in China have halted establishment of ALLOB in the Chinese market, BioSenic is conducting preliminary discussions with Pregene, LinkHealth and other potential partners to reach an agreement for the development and commercialization of ALLOB in other geographies, including in the U.S. In March 2023, BioSenic has obtained new statistical analysis results from the JTA-004 Phase III clinical trial data. This new post-hoc analysis changes the therapeutic profile of the molecule and potentially allows for the possibility of stratifying patients for a new, optimized Phase III clinical study. BioSenic, which does not intend to allocate R&D resources to support the clinical development of JTA-004, is seeking to collaborate with existing and potential partners to explore options for the future development of JTA-004 based on this new post-hoc analysis. The Medsenic Phase II clinical study with arsenic trioxide in the first-line treatment of cGvHD is complete and provided positive results. A Phase III study with oral arsenic trioxide in the first-line treatment of cGvHD, for which Medsenic received positive pre-IND response from the FDA, is currently anticipated to start in 2023. A phase IIa clinical trial for systemic lupus erythematosus ("SLE") had previously established safety for the patient and efficacy on the course of the autoimmune disease. Positive preclinical work gives good grounds for a Phase II clinical trial on systemic sclerosis ("SSc"). Phase IIb clinical trials for SLE and SSc are in the planning stage with the protocols for both studies being ready. BioSenic Group, however, expects to use the existing cash and the proceeds of anticipated future fundraisings (via shares or (convertible) bonds) in priority for continuing the Phase IIb clinical trial for ALLOB and for progressing the Phase III clinical trial in cGvHD. As a result, it will only be possible to start the SLE and SSc Phase IIb clinical trials in if the BioSenic Group succeeds in concluding a strong partnership with a biopharmaceutical company or if it manages to successfully out-license some of its technology. The start of SLE and SSc Phase II clinical trials is therefore not envisioned before 2024. Following the restructuring of the management team and the appointment of Mr François Rieger as CEO and executive director, Ms Véronique Pomi-Schneiter as Deputy-CEO and executive director, Alexia Rieger as CIRO, Carole Nicco as CSO and Lieven Huysse as CMO, BioSenic is in the process of completing the management team with a new CFO. The Company plans to raise funds in the form of a private placement of new shares in Q2 2023 in order to finance its activities. In addition, the Company continues to evaluate other funding options, such as the extension of the existing convertible bond program. Disciplined cost and cash management will remain a key priority. The operating cash burn for the full year 2023 is in the range of €8-10 million and a financing cash burn of approximately EUR 1.7 million. The situation will be actively and closely monitored. BioSenic anticipates having sufficient cash to carry out its business objectives until June 2023, assuming amongst other full issuance of the Convertible Bonds and the renegotiation of the terms of the ongoing loans that will otherwise fall due in June 2023. About BioSenic BioSenic is a leading biotech company specializing in the development of clinical assets issued from: (i), the allogeneic cell therapy platform ALLOB and (ii) the Arsenic TriOxide (ATO) platform. Key target indications for the platforms include Graft versus Host Disease (GvHD), Systemic lupus erythematosus (SLE), Systemic Sclerosis (SSc) and high-risk tibial fractures.Following the merger in October 2022, BioSenic combines the strategic positionings and strengths of Medsenic and Bone Therapeutics. The merger also enables Biosenic to add to its innovative cell therapy platform and strong IP for tissue repair protection with an entirely new arsenal of various anti-inflammatory and anti-autoimmune formulations using the immunomodulatory properties of ATO/OATO. BioSenic is based in the Louvain-la-Neuve Science Park in Mont-Saint-Guibert, Belgium. Further information is available at http://www.biosenic.com. About BioSenic technology BioSenic’s technology is based on two main platforms: 1) The allogeneic cell and gene therapy platform, developed by BioSenic with differentiated bone marrow sourced Mesenchymal Stromal Cells (MSCs) that can be stored at the point of use in hospitals. Its current investigational medicinal product, ALLOB, represents a unique, proprietary approach to organ repair and specifically to bone regeneration, by turning undifferentiated stromal cells from healthy donors into bone-forming cells on the site of injury after a single local injection. These cells are produced via a BioSenic's scalable manufacturing process. Following the CTA approval by regulatory authorities in Europe, BioSenic has initiated patient recruitment for the Phase IIb clinical trial with ALLOB in patients with difficult tibial fractures, using its optimized production process. ALLOB is currently being evaluated in a randomized, double-blind, placebo-controlled Phase IIb study in patients with high-risk tibial fractures, using its optimized production process, after a successful first safety and efficacy study (Phase 1/2a) on fractured long bones, with late delayed union. The patient recruitment has been halted late February 2023 with 57 patients and the new rules permitted for statistical analysis should allow BioSenic to get the main results of this trial much earlier than anticipated in the original protocol, since they are expected by mid-2023. 2) The Arsenic TriOxide (ATO) platform developed by Medsenic. The immunomodulatory properties of ATO have demonstrated a double basic effect on cells of the immune system. The first effect is the increase of the cell oxidative stress in activated B, T or other cells of the innate/adaptative immune system to the point they will enter a cell death program (apoptosis) and be eliminated. The second effect is potent immunomodulatory properties on several pro-inflammatory cytokines involved in inflammatory or autoimmune cell pathways. One direct application is its use in onco-immunology to treat GvHD (Graft-versus-Host Disease) in its chronic, established stage. GvHD is one of the most common and clinically significant complications affecting long-term survival of allogeneic hematopoietic stem cell transplantation (allo-SCT). GvHD is primarily mediated by the transplanted immune system that can lead to severe multiorgan damage. Medsenic had been successful in a Phase II trial with its intravenous formulation, allowing arsenic trioxide to be granted an orphan drug designation status by FDA and EMA and is heading towards an international Phase III confirmatory study, with a new, IP protected, oral (OATO) formulation. Moderate to Severe forms of Systemic Lupus erythematosus (SLE) is another selected target, using the same oral formulation. ATO has shown good safety and significant clinical efficacy on several affected organs (skin, mucosae and the gastro-intestinal tract) in a Phase IIa study. Systemic Sclerosis is, in addition, part of the clinical pipeline of BioSenic. Preclinical studies on pertinent animal models are positive. This gives good grounds to launch a Phase II clinical protocol for this serious disease that badly affects skin, lungs or vascularization, and with no actual current effective treatment. In addition, BioSenic is developing an off-the-shelf next-generation improved viscosupplement, JTA-004, consisting of a unique combination of plasma proteins, hyaluronic acid - a natural component of knee synovial fluid, and a fast-acting analgesic. JTA-004 intends to provide added lubrication and protection to the cartilage of the arthritic joint and to alleviate osteoarthritic pain (OA) and inflammation. In March 2023, after the identification of new OA subtypes, BioSenic delivered a new post-hoc analysis of its Phase III JTA-004 trial on knee OA with positive action on the most severely affected patient population. This new post-hoc analysis changes the therapeutic profile of the molecule and potentially allows for the possibility of stratifying patients for a new, optimized Phase III clinical study. BioSenic, which does not intend to allocate R&D resources to support the clinical development of JTA-004 and will continue to focus its R&D activities on the development of its autoimmune (ATO) and cell therapy (ALLOB) platforms, is now seeking to collaborate with existing and potential partners to explore options for the future development of JTA-004 based on this new post-hoc analysis. For further information, please contact: BioSenic SAFrançois Rieger, PhD, Chief Executive OfficerTel: +33 (0)671 73 31 59investorrelations@biosenic.com For Belgian Media and Investor Enquiries:BepublicBert BouserieTel: +32 (0)488 40 44 77bert.bouserie@bepublicgroup.be For International Media Enquiries:IB CommunicationsNeil Hunter / Michelle BoxallTel: +44 (0)20 8943 4685neil.hunter@ibcomms.agency / michelle@ibcomms.agency For French Media Enquiries:NewCap MediaAnnie-Florence LoyerTel: +33 (0)1 44 71 00 12afloyer@newcap.fr For French Investor Enquiries:Seitosei ActifinGhislaine GasparettoTel: +33 (0)1 56 88 11 22ggasparetto@actifin.fr Certain statements, beliefs and opinions in this press release are forward-looking, which reflect the Company or, as appropriate, the Company directors’ current expectations and projections about future events. By their nature, forward-looking statements involve a number of risks, uncertainties and assumptions that could cause actual results or events to differ materially from those expressed or implied by the forward-looking statements. These risks, uncertainties and assumptions could adversely affect the outcome and financial effects of the plans and events described herein. A multitude of factors including, but not limited to, changes in demand, competition and technology, can cause actual events, performance or results to differ significantly from any anticipated development. Forward looking statements contained in this press release regarding past trends or activities should not be taken as a representation that such trends or activities will continue in the future. As a result, the Company expressly disclaims any obligation or undertaking to release any update or revisions to any forward-looking statements in this press release as a result of any change in expectations or any change in events, conditions, assumptions or circumstances on which these forward-looking statements are based. Neither the Company nor its advisers or representatives nor any of its subsidiary undertakings or any such person’s officers or employees guarantees that the assumptions underlying such forward-looking statements are free from errors nor does either accept any responsibility for the future accuracy of the forward-looking statements contained in this press release or the actual occurrence of the forecasted developments. You should not place undue reliance on forward-looking statements, which speak only as of the date of this press release.
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