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Celyad Introduces Clinical Update for CYAD-01 at 24th European Hematology Association

  • The outcomes of steady Part 1 THINK and DEPLETHINK experiments evaluating CYAD-01 in relapse or refractory (r / r) acute myeloid leukemia (AML) and myelodysplastic syndrome (MDS) continue to help therapeutic medical improvement. NKG2D-based CAR-T Candidate Candidate
  • Preliminary knowledge from THINK cohort 10 evaluating a more frequent schedule of CYAD-01 infusions with out preconditioning showed improved mobile transfer in comparison with two-week injections of CYAD-01 without preconditioning
  • The preliminary results of the DEPLETHINK research, which evaluated the performance of one infusion of CYAD-01 after pre-stabilization of chemotherapy, showed that the remedy was properly tolerated with a greater time-median switch of CAR-T cells compared to growing the THINK check dose. CYAD-01 Three Injection Cycle

MONT-SAINT-GUIBERT, Belgium, June 17, 2019 (GLOBE NEWSWIRE) – Celyad (Euronext Brussels and Paris and N asdaq: CYAD), a medical biopharmaceutical company targeted on CAR For the development of T-cell therapies, in the present day introduced that the up to date CYAD-01 medical knowledge in r / r AML and MDS have been introduced on Saturday at the poster presentation session on June 15 at the 24th Congress of the European Hematology Association (EFHA) in Amsterdam, The Netherlands

. Frédéric Lehmann, Cédad's Director of Clinical Improvement and Medical Affairs, commented: “Observations based on a first-phase THINK clinical study evaluating CYAD-01 without lymphodepletion in relapse / refractory acute myeloid leukemia and myelodysplastic syndrome patients indicate that cell therapy is generally well tolerated . This safety and tolerance profile was also shown to be encouraging during the early stages of enhancing CYAD-01 treatment, where systemic persistence of CAR-T cells increased after dosing or in combination with pre-treatment chemotherapy. Therefore, we continue to focus on efforts to increase CYAD-01 aggressiveness by deepening the width, frequency, and duration of clinical responses in this refractory patient group. ”

THINK Part 1 Research in Haematological Malignant Plant

  • 23. Since Might 2019, preliminary anti-leukemia exercise has been noticed in six of the 13 sufferers (46%) evaluated for the protocol in the THINK Part 1 research, and fourteen 13 patients (31%) had objective responses, including one in four sufferers with overdose. 90 Day Response Period
  • General, several infusions of CYAD-01 without any prophylactic chemotherapy further show an encouraging tolerability profile in eight of the twenty treated sufferers. three/4 treatment-related antagonistic reactions. No neurotoxicity AE values ​​have been observed in any CYAD-01-treated patient
  • More frequent infusion schedule without any cross-linking or pre-stabilizing chemotherapy with out chemotherapy evaluated in cohort 10 showed that three of the r / r-AML or MDS sufferers one patient had stabilization of the disease and two patients had a illness progression after remedy as much as six doses of 1 billion CYAD-01 cells. Three out of four patients who could possibly be assessed for safety in cohort 10 skilled half. One affected person had a Grade four infusion reaction which was not thought-about as a limiting toxicity of the therapeutic dose.
  • General, a better time-to-mean shift (floor space under the curve) was noticed at a lower dose (cohort 10) compared to the corresponding dose given in the THINK check evaluating the three cycles of CYAD-01 injection given each different week
  • Recruitment at THINK Check Cohort 11, which estimates a more frequent schedule of infusions of up to six three billion cells with CYAD-01 without chemotherapy with out pretreatment and outcomes are anticipated by the top of 2019.

DEPLETHINK Part 1 Trial

  • The first cohorts of the DEPLETHINK experiment register six r / r-AML or MDS sufferers who acquired a single dose of CYAD-01 (100 million cells per infusion). contained pre-treatment of cyclophosphamide and fludarabine or CyFlu for two totally different durations. Ls (three or seven days) Between CYAD-01 pre-treatment program and administration
  • From Might 23, 2019, three sufferers had a CRS degree of 1/2 that confirmed speedy separation after proper remedy, together with tocilizumab. One affected person had a Grade four infusion response which was not thought-about as a therapeutic dose limiting toxicity in the course of the consolidation cycle without preconditioning
  • Of the 5 patients to be evaluated in response to the protocol, two sufferers had stabilization after remedy. CYAD-01
  • A greater time mean transfer was noticed after a single infusion of a low dose of CYAD-01 with a pre-treatment in comparison with the THINK experiment within the dosing phase where three cycles of CYAD-01 injection have been evaluated.
  • The dose-escalation research examines greater dose ranges, together with 300 million and 1 billion cells, corresponding to the Part 1 THINK experiment, and the preliminary results of these cohorts are expected by the top of 2019.

BACKGROUND OF THE THINK Part 1 Experiment
The THINK research (NCT03018405) is an open-dose, escalation step-step 1 research assessing the security and medical exercise of several CYAD-01 caregivers with out prophylaxis. In the experiment, the dose escalation phase assessed three dose levels (300 million, 1 billion and 3 billion cells per infusion) over one cycle of one CYAD-01 dose each two weeks. In 2018, the THINK experiment was modified by including two cohorts with a purpose to evaluate the extra frequent dosing schedule for CYAD-01 for the remedy of r / r AML. The cohorts evaluated six CYAD-01 injections without preconditioning inside two months. The primary cycle incorporates three CYAD-01 infusions separated every week. The second part incorporates three CYAD-01 infusions separated each two weeks. Patients receive either 1 billion cells per infusion (cohort 10) or 3 billion cells per infusion (cohort 11). The first endpoint of the research is security and secondary endpoints: Clinical Activity and Pharmacokinetics

Background to the DEPLETHINK Part 1 experiment
In October 2018, Celyad began a trial of DEPLETHINK Part 1 (NCT03466320). An open dose-escalation research evaluated one CYAD-01 infusion after remedy with a cyclophosphamide (300 mg / m²) and fludarabine (30 mg / m²) or CyFlu typical pre-treatment program. The research has two totally different time intervals between lymphodepletion and CYAD-01. As well as, the research evaluates three CYAD-01 dose levels, together with 100 million, 300 million and 1 billion cells per infusion. The first endpoint of the research is safety and secondary endpoints: Clinical Exercise and Pharmacokinetics

About Celyad
Celyad is a medical biopharmaceutical company focusing on the event of candidates for specialised CAR-T cell-based merchandise and utilizing that experience in cell know-how for cancer remedy. The Celyad CART can help a variety of strong and hematological tumors. The corporate's main medical candidate for CYAD-01, autologous NKG2D-based CAR-T-therapy, is presently being evaluated in a number of Part 1 medical trials to guage the hematological malignancies resembling acute myelogenous leukemia, security and medical activity, and strong cancers, comparable to metastatic colon cancer . Celyad can also be creating a CYAD-101 research, which isn’t a gene-modified, allogeneic (donor derived) NKG2D-based CAR-T remedy, which is at present being evaluated within the Part 1 research for the remedy of metastatic colorectal cancer. Celyad was founded in 2007 and is situated in Mont-Saint-Guibert, Belgium and New York, NY. Celyad's strange shares are listed on the Euronext Brussels and Euronext Paris Inventory Change, and its American Depository Shares are listed on the Nasdaq International Market, all underneath the image CYAD.

For extra info:
Celyad
] Filippo Petti, Managing Director – buyers@celyad.com
Anne Moore, Technique Director – T: +32 (0) 10 39 41 87 – communication @ celyad.com

For Europe: Ulysse Communication
Bruno Arabian – T: +33 (zero) 6 87 88 47 26 – barabian@ulysse-communication.com

] USA: LifeSci Advisors
Investor Relations: Daniel Ferry – T: +1 (617) 535 7746 – daniel@lifesciadvisors.com
PR: Sara Zelkovic – T: +1 (646) 876 4933 – sara@lifescipublicrelations.com

Future Statements
This publication might include ard-look statements, including statements from CYAD-01 and CYAD-101 safety and effectivity; Ongoing and deliberate medical improvement of CYAD-01 and CYAD-101, including timing, enrollment, reading and presentation of experiments; Clinical and business potential of CYAD-01 and CYAD-101 and sufficiency of Celyad's monetary assets; Celyad's worldwide improvement and commercialization rights for CYAD-101; medical and business potential and improvement of its shRNA know-how; Celyad's financial state of affairs, efficiency and enterprise prospects; and presentation of deliberate medical knowledge at the 24th Congress of the European Hematology Association (EFSA). Forward-looking statements might embrace recognized and unknown dangers, uncertainties, and different elements which will end in Celyad's actual results, financial situation, liquidity, performance or achievements, or business results, considerably totally different from these which might be obvious or predictive. Particularly, the above info is preliminary. After remedy with CYAD-01 and CYAD-101 candidates, knowledge on safety and medical activity are restricted. These results shouldn’t be repeated or detected in ongoing or future studies involving CYAD-01 and CYAD-101 candidates. These forward-looking statements are further refined by necessary elements and dangers which will lead to a big difference in actual outcomes in forward-looking statements, including claims: launching, timing, progress and results of preclinical research and medical trials, and our analysis and improvement program; our potential to progress as candidates for medicinal merchandise in medical trials and efficiently complete them; our capability to organize medicine successfully in medical trials, including our mAb manufacturing process and the manufacture of prescription drugs with the specified amount of T cells based on our medical trial protocols; We depend on the success of drug candidates, including dependence on CYAD-01 and CYAD-101 regulation within the US and Europe, and the business success of CYAD-01 and CYAD-101. occur; the timing or probability of regulation and approval; our potential to develop gross sales and advertising alternatives; commercialization of candidates for drug merchandise, if accepted; pricing and reimbursement of candidates for drug products, if accepted; implementing our enterprise model, strategic plans for our business, candidates for prescription drugs and know-how; the scope of safety we are capable of create and keep mental property rights overlaying drug candidates and know-how; our capability to conduct business without violating, abusing or in any other case infringing third parties' intellectual property and proprietary know-how; the prices of implementing or defending the infringement of an intellectual property proper, abuse or infringement; product liability; and other necessities; regulatory improvement in the US, the European Union, and different jurisdictions; value estimate, revenue, capital requirements and extra financing wants; the potential advantages of our strategic cooperation agreements and our capability to take care of and make strategic preparations; our capacity to take care of and establish cooperation or to acquire further funding; the velocity and market share of the approval of candidates for drug merchandise; financial performance; Developments in our rivals and business, including competing remedies and statements on future earnings, plans, bills, capital costs, capital necessities and shareholdings. The next record and description of these dangers, uncertainties and different dangers could be found in Celyad's US Securities and Trade Commission (SEC) purposes and reviews, including its Annual Report Type 20-F, submitted to the SEC on April 5, 2016, and subsequent purposes by Celyad. reviews. Because of these uncertainties, the reader is suggested not to unnecessarily impose such forward-looking statements. These forward-looking statements will only converse concerning the date of publication of this doc, and the actual results of Celyad might differ considerably from those expressed or implicit in these forward-looking statements. Celyad expressly refuses to replace such forward-looking statements in this doc to be able to mirror modifications or modifications in its expectations, circumstances or circumstances upon which such an opinion is predicated, until required by regulation or regulation.

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