Emerging Therapies

Single-agent mosunetuzumab is a safe and clinically promising chemotherapy-free therapy for elderly and unfit patients with untreated diffuse large B-cell lymphoma (DLBCL), said Adam J. Olszewski, MD, Associate Professor of Medicine, Brown University, Providence, RI, at ASH 2020. Dr Olszewski reported the results of a phase 1/2 clinical study of mosunetuzumab in patients with DLBCL.

Results of a phase 1 clinical trial showed that approximately 66% of patients with chronic-phase chronic myeloid leukemia (CML) had a major cytogenetic response (MCyR) to the novel oral BCR-ABL1 tyrosine kinase inhibitor (TKI) vodobatinib, regardless of whether they previously received ponatinib therapy. Jorge E. Cortes, MD, Director, Georgia Cancer Center, Augusta University, presented the results at ASH 2020.

Magrolimab, a first-in-class investigational antibody targeting CD47, showed good efficacy when combined with azacitidine injection (Vidaza) regardless of TP53 mutation in patients with treatment-naïve acute myeloid leukemia (AML) who are ineligible for intensive chemotherapy, according to data presented at ASH 2020. The results also showed that this combination did not lead to significant immune-related side effects.

The selective, oral retinoic acid receptor alpha (RARA) agonist, SY-1425, combined with azacitidine showed encouraging activity in patients with relapsed or refractory acute myeloid leukemia (AML) that is overexpressing the RARA gene in a phase 2 clinical trial presented at ASH 2020. The RARA gene is a novel target in patients with AML.

Sotorasib, an investigational small-molecule inhibitor of the KRAS p.G12C mutation, demonstrated promising activity and encouraging safety in patients with advanced solid tumors, in particular those with non–small-cell lung cancer (NSCLC), in the preliminary phase 1 CodeBreaK 100 trial. The findings were presented at the 2020 virtual meeting of the European Society for Medical Oncology (ESMO) and were recently published.

VS-6766, a unique inhibitor of the RAF/MEK-signaling pathway, has shown antitumor activity in RAS/RAF mutation–positive solid tumors and in multiple myeloma, when administered on an intermittent dosing schedule, according to recently published data.

Xevinapant, an investigational antagonist of IAPs (inhibitor of apoptosis proteins), prolonged overall survival (OS) in patients with locally advanced head and neck squamous-cell carcinoma (HNSCC) when added to chemoradiotherapy, according to an updated analysis of a phase 2 clinical trial that was presented at the 2020 European Society for Medical Oncology (ESMO) congress.

A single infusion of the investigational agent lifileucel—an immunotherapy using cryopreserved autologous tumor-infiltrating lymphocytes (TIL)—induced responses in more than 33% of patients with advanced melanoma whose disease progressed with multiple previous therapies, including PD-1 and BRAF/MEK inhibitors.

A novel intratumoral chemotherapy agent delivered by direct injection permits the dispersion of cytotoxic drugs into cancer cells to eradicate tumors. Data from a phase 1/2 trial of intratumoral INT230-6, alone and in combination with pembrolizumab (Keytruda), in patients with advanced solid tumors was presented at the ASCO 2020 virtual annual meeting.

The small-molecule inhibitor of tyrosine kinase WEE1 adavosertib demonstrated promising clinical activity in a single-arm, phase 2 study of patients with unselected uterine serous cancer (USC), with an objective response rate of 29.4%, said Joyce F. Liu, MD, MPH, Director of Clinical Research, Division of Gynecologic Oncology, Dana-Farber Cancer Institute, Boston, MA, at the ASCO 2020 virtual annual meeting.