X4 Pharmaceuticals to Present Phase 2a Data for Mavorixafor in Combination with Axitinib at European Society for Medical Oncology (ESMO) 2019 Congress

On September 12, 2019 X4 Pharmaceuticals, Inc. (Nasdaq: XFOR), a clinical stage biotechnology company focused on the development of novel therapeutics for the treatment of rare diseases, reported it will present clinical data on its lead product candidate, mavorixafor (X4P-001), in combination with Inlyta (axitinib) at the upcoming European Society for Medical Oncology (ESMO) (Free ESMO Whitepaper) 2019 Congress, taking place September 27 – October 1 in Barcelona, Spain (Press release, X4 Pharmaceuticals, SEP 12, 2019, View Source [SID1234539483]). The presentation will detail final safety and efficacy results from the Company’s Phase 2a portion of an open-label Phase 1/2 clinical trial of mavorixafor in combination with axitinib in patients with advanced clear cell renal cell carcinoma (ccRCC).

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Details of the presentation are as follows:

Abstract #2521: Safety and Efficacy of the Oral CXCR4 Inhibitor X4P-001 + Axitinib in Advanced Renal Cell Carcinoma Patients: An Analysis of Subgroup Responses by Prior Treatment
Date and Time: Monday, September 30, 2019; 8:45 – 9:45 AM CEST
Session Type: Poster Discussion Session, Discussion 2 – Immunotherapy of Cancer (SITC) (Free SITC Whitepaper)
Presentation #: 1186PD
Location: Malaga Auditorium, Hall 5

Details of the investor conference call and webcast are as follows:

Time and Date: Monday, September 30 at 8:00 AM EDT / 2:00 PM CEST
US Toll-Free Dial-In Number: (866) 721-7655
International Dial-In Number: (409) 216-0009 / Spain 0934923253
Conference ID: 4787329
Webcast: A live audio webcast of the conference call may be accessed in the "Investors" section of the Company’s website at the following link.

About Mavorixafor

X4 Pharmaceuticals’ lead product candidate, mavorixafor (X4P-001), is a potential first-in-class, once-daily, oral inhibitor of CXCR4, currently in Phase 3 development for the treatment of WHIM syndrome, a rare, inherited, primary immunodeficiency disease caused by genetic mutations in the CXCR4 receptor gene. Mavorixafor has demonstrated proof of concept in WHIM syndrome in a Phase 2 trial, including clinically meaningful increases in neutrophil and lymphocyte biomarker counts, as well as a trend of reduction in infection rates and wart burden, and a favorable safety profile. Mavorixafor was designated orphan drug status by the U.S. Food and Drug Administration in 2018 and by the European Commission in 2019 for the treatment of WHIM syndrome, and is also in development for the treatment of Severe Congenital Neutropenia (SCN), Waldenström’s macroglobulinemia (WM), and clear cell renal cell carcinoma (ccRCC).