Adaptimmune Therapeutics (ADAP) Begins Study to Evaluate … – StreetInsider.com

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Adaptimmune Therapeutics plc (Nasdaq: ADAP), a leader in T-cell therapy to treat cancer, today announced that it has initiated its study of NY-ESO SPEAR Tcells targeting NY-ESO in combination with KEYTRUDA (pembrolizumab), an anti-PD-1 inhibitor marketed by Merck & Co., Inc., Kenilworth, NJ, USA (known as MSD outside the US and Canada), in patients with multiple myeloma. This study is now open for enrollment.

This is Adaptimmunes third clinical trial to initiate within the past month. The Company recently announced the initiation of clinical studies with its wholly-owned SPEAR T-cells targeting AFP in hepatocellular carcinoma, as well as its wholly-owned SPEAR T-cells targeting MAGE-A4 in seven malignant solid tumors.

We are excited to initiate this study as we have already seen encouraging data in a previous singleagent study of NYESO SPEAR T-cells in patients with advanced myeloma in the context of stem cell transplantation, said Rafael Amado, Adaptimmunes Chief Medical Officer. KEYTRUDA has also shown preliminary evidence of activity in multiple myeloma in combination, and there is preclinical evidence to support the view that the combination of NY-ESO SPEAR T-cells and anti-PD-1 therapy may lead to meaningful antitumor activity.

This is an open-label, randomized pilot study designed to evaluate the safety and anti-tumor activity of Adaptimmunes NY-ESO therapeutic candidate alone or in combination with KEYTRUDA in patients who are HLA-A*02 positive and have relapsed and refractory multiple myeloma expressing NY-ESO-1 and/or LAGE1a. The study will enroll up to 20 patients. The primary objective of the study is to evaluate the safety and tolerability of NY-ESO SPEAR T-cell therapy alone or in combination with KEYTRUDA. Additional objectives include antitumor activity, persistence of genetically modified cells in the body, and evaluation of the phenotype and functionality of genetically modified cells isolated from peripheral blood or tumor post infusion.

Adaptimmune is developing the NY-ESO SPEAR T-cell program under a strategic collaboration agreement with GSK.

Clinical Trial Collaboration Agreement for use of KEYTRUDA

Adaptimmune has a clinical trial collaboration agreement with Merck & Co., Inc., Kenilworth, NJ, USA for the use of KEYTRUDA in this study. The agreement is between Adaptimmune and Merck & Co., Inc., Kenilworth, NJ, USA, through a subsidiary. Under the agreement, the trial will be sponsored by Adaptimmune. The agreement also includes provision for potential expansion to include Phase III registration studies in the same indication. Additional details were not disclosed.

KEYTRUDA is a registered trademark of Merck Sharp & Dohme Corp., a subsidiary of Merck & Co., Inc., Kenilworth, NJ, USA.

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