arGEN-X and The Leukemia & Lymphoma Society Partner on the Development of ARGX-110 for the Treatment of Waldenström’s Macroglobulinemia

On June 10, 2014 arGEN-X reported it has entered into a partnership with The Leukemia & Lymphoma Society (LLS) in which both parties will contribute to the funding of a Phase 2 clinical study of the Company’s lead candidate, ARGX-110, in patients with refractory Waldenström’s macroglobulinemia (WM) (Press release arGEN-X, JUN 10, 2014, View Source [SID:1234500573]). ARGX-110 is a novel anti-CD70 antibody created by arGEN-X which is currently being evaluated across a range of hematological and solid cancers in a Phase 1b study in Europe.

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"We are extremely pleased to collaborate with LLS to evaluate the potential of ARGX-110 in patients with WM. In preclinical studies the compound showed broad therapeutic potential against CD70-positive lymphomas, and we hope to demonstrate a similar therapeutic benefit in the clinic with this initial Phase 2 study," said Alain Thibault, arGEN-X’ Chief Medical Officer. "This collaboration is an important milestone for the development of ARGX-110 as it allows us to work with premier oncology centers in the U.S. We look forward to advancing this program with LLS in a patient population that is still in need of new treatment options."

Under the agreement, both parties will contribute funding, of up to $2.2 million and totaling $4.5 million, with LLS funding coming through its Therapy Acceleration Program (TAP), a strategic initiative to speed the development of therapies that have the potential to change the standard of care for patients with hematological cancers. arGEN-X plans to submit an Investigational New Drug (IND) application with the U.S. Food and Drug Administration (FDA) in the second half of 2014. The study is expected to begin in the second half of 2014, and will be led by Dr. Steven P. Treon, MD, PhD, Director of the Bing Center for Waldenström’s macroglobulinemia at Harvard Medical School (Cambridge, MA, USA).

"WM is a rare blood cancer that, despite significant progress, still remains incurable," said Lee Greenberger, Ph.D, LLS’s Chief Scientific Officer. "Nevertheless, understanding the molecular basis of WM, including the role of CD70, has increased dramatically in the recent years. These new findings offer the possibility that novel targeted therapies, such as ARGX-110, could change treatment outcomes in the future. Based on preclinical and initial clinical data with ARGX-110, we believe ARGX-110 has potential to benefit patients with WM, and we are very pleased to be a part of this development program."

(Press release, Inovio, JUN 10, 2014, View Source;Neck-Cancer-Caused-by-HPV/default.aspx [SID:1234504552])

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Kadmon Corporation Announces the Initiation of a Phase 1b/2a Study of KD019 and Trastuzumab in HER2-Positive Metastatic Breast Cancer

On June 4, 2014 Kadmon reported the initiation of a Phase 1b/2a study of KD019, the Company’s orally bioavailable small molecule kinase inhibitor of Src, HER2, EGFR and VEGFR2/KDR, in combination with trastuzumab (Herceptin) for the treatment HER2+ breast cancer metastasized to the brain (Press release Kadmon, JUN 4, 2014, View Source [SID:1234500709]).

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Activation of Src kinase has emerged as a key resistance mechanism in trastuzumab treated HER2-positive breast cancer. Additionally, Src activity has been shown to play a critical role in brain metastases of HER2-positive breast cancers. Subjects with HER2-positive breast cancer frequently develop brain metastases, despite control of systemic disease by trastuzumab or other HER2 inhibitors. These brain metastases are largely unresponsive to pharmaceutical treatment as none of the currently approved HER2 inhibitors effectively cross the blood-brain barrier (BBB) resulting in limited drug exposure in the brain. In preclinical studies, unlike the available HER2/EGFR inhibitor Iapatinib (Tykerb), KD019 demonstrated the ability to cross the BBB in vivo while also inhibiting HER2/EGFR as well as Src.

The primary objective of this multicenter, multiple ascending dose, open-label, Phase 1b/2a study is to assess the safety, tolerability and efficacy of KD019 when given in combination with trastuzumab to subjects with HER2-positive metastatic breast cancer who have received prior trastuzumab therapy. The study is expected to enroll up to 38 patients. In the Phase 1b portion of the study, KD019 will be orally administered in successive dose cohorts at 150, 250, and 300 mg doses once daily until the maximum tolerated dose is established for the Phase 2a expansion group. Patients in the Phase 1b portion of the study may be enrolled with or without brain metastases. The Phase 2a portion of the study will be limited to subjects with HER2-postive breast cancer with brain metastases progressing after radiation therapy.

"Brain metastases are common in patients with breast cancer who are treated with HER2 inhibitors, as the blood-brain barrier blocks exposure of the disease within the brain to available therapies," said Samuel D. Waksal, Ph.D., Chairman and CEO of Kadmon. "KD019 is not only an effective penetrant of the blood-brain barrier, as demonstrated preclinically, but also targets several pathways critical to tumor growth, metastasis and treatment resistance, including HER2, EGFR and Src. We believe KD019 may serve the dual purpose of both checking trastuzumab resistance systemically and targeting tumor growth within the brain."

(Press release, Qu Biologics, JUN 4, 2014, View Source [SID:1234506652])

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(Press release, Qu Biologics, JUN 4, 2014, View Source [SID:1234506814])

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