Amsterdam, The Netherlands, May 14, 2020 – Kiadis Pharma N.V. (“Kiadis Pharma” or the “Company”) (Euronext Amsterdam and Brussels: KDS), a clinical stage biopharmaceutical company, today announces that three abstracts related to Kiadis’ natural killer (K-NK) cell therapy program have been accepted for presentation at the virtual edition of the 25th European Hematology Association (EHA) Congress taking place June 11 – 14, 2020.

The EHA abstracts are now available at www.ehaweb.org. Details of the presentations are as follows:

·  Abstract #S284: This oral presentation will show clinical data that FC21-NK cells persist in vivo.

Abstract Details Title: Early-phase Clinical Trials of Adoptive Transfer of Hyperfunctional NK Cells Expanded Ex Vivo with IL-21 Demonstrate Functional, Phenotypic, and Haplotype-specific evidence of in vivo persistencePresenter: Dean Lee, MD, PhDSession title: Immunotherapy – Clinical

·  Abstract #EP1487: This poster will present data from product samples to show that NK cells expanded with FC21 or PM21 are distinct from non-expanded NK cells in phenotype and gene expression signature and are highly cytotoxic, with elevated levels of cytokines.

Abstract Details Title: Deep Characterization of MBIL21 Ex Vivo-expanded NK Cells Using Mass Cytometry, Functional Assays, and RNA Sequencing Establishes Product Consistency Across Different Manufacturing Sites and SystemsPresenter: Dean Lee, MD, PhDSession title: Gene therapy, cellular immunotherapy and vaccination - Biology & Translational Research

·  Abstract #EP585: This poster presents clinical data of a subset of R/R AML patients treated with FC21-NK that were enrolled in a phase I/II study with concomitant infections.

Abstract Details Title: Clinical and Radiologic Resolution of Infections During Treatment with MBIL-21-expanded CD56Bright/CD16Bright NK Cells in Patients with Relapsed or Refractory Acute Myeloid Leukemia (R/R AML)Presenter: Lucia Mariano da Rocha Silla, MD, PhDSession title: Acute myeloid leukemia – Clinical

Kiadis Pharma contacts

Kiadis Pharma: Maryann Cimino, Sr. Manager, Corporate Affairs Tel: +1 (617) 710-7305 m.cimino@kiadis.com   Optimum Strategic Communications: Mary Clark, Supriya Mathur, Hollie Vile Tel: +44 203 950 9144 David Brilleslijper (Amsterdam) Tel: +31 610 942 514 kiadis@optimumcomms.com

About Kiadis Pharma’s K-NK-Cell Therapies Kiadis Pharma’s NK-cell programs consist of off-the-shelf and haplo donor cell therapy products for the treatment of liquid and solid tumors as adjunctive and stand-alone therapies. 

The Company’s NK-cell PM21 particle technology enables improved ex vivo expansion and activation of anti-cancer cytotoxic NK-cells supporting multiple high-dose infusions. Kiadis Pharma’s proprietary off-the-shelf NK-cell platform is based on NK-cells from unique universal donors. The Kiadis Pharma off-the-shelf K-NK platform can make NK-cell therapy product rapidly and economically available for a broad patient population across a potentially wide range of indications.

Kiadis Pharma is clinically developing K-NK003 for the treatment of relapse/refractory acute myeloid leukemia. The Company is also developing K-NK002, which is administered as an adjunctive immunotherapeutic on top of HSCT and provides functional, mature and potent NK-cells from a haploidentical family member. In addition, the Company has pre-clinical programs evaluating NK-cell therapy for the treatment of solid tumors. 

About Kiadis PharmaFounded in 1997, Kiadis Pharma is building a fully integrated biopharmaceutical company committed to developing innovative therapies for patients with life-threatening diseases. With headquarters in Amsterdam, the Netherlands, and offices and activities across the United States, Kiadis Pharma is reimagining medicine by leveraging the natural strengths of humanity and our collective immune system to source the best cells for life.

Kiadis Pharma is listed on the regulated market of Euronext Amsterdam and Euronext Brussels since July 2, 2015, under the symbol KDS. Learn more at www.kiadis.com.

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