Dulaglutide was associated with a significant decrease in HbA1c levels 6 months after treatment initiation. Patients who adhered to or persisted with dulaglutide therapy, or were naïve to GLP-1 RA use, experienced greater decreases in HbA1c levels.

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A combination of community-based participatory research and a multilevel approach may produce the most optimal results and be essential in producing a considerable effect for enhancing HBV screening and vaccination, particularly for Korean American populations with limited language proficiency and insurance coverage. Cancer 2018;124:973-82. © 2017 American Cancer Society.

Purpose: In patients with metastatic castration-resistant prostate cancer (mCRPC), resistance to androgen receptor (AR)-targeted therapies, such as enzalutamide, remains an issue. Inactivation of inhibitory PTEN activates PI3K/AKT signaling and contributes to resistance to androgen deprivation therapy and poor outcomes. Therefore, dual targeting of AR and PI3K/AKT pathways may limit tumor growth and reverse resistance. Patients and Methods: In this phase I study (NCT02215096), patients with PTEN-deficient mCRPC who progressed on prior enzalutamide received once-daily enzalutamide 160 mg plus PI3Kβ inhibitor GSK2636771 at 300 mg initial dose, with escalation or de-escalation in 100-mg increments, followed by dose expansion. Primary objectives were to evaluate safety/tolerability, determine the recommended phase II dose, and assess the 12-week non-progressive disease (PD) rate. Results: Overall, 37 patients were enrolled; 36 received ≥1 dose of GSK2636771 (200 mg: n = 22; 300 mg: n = 12; 400 mg: n = 2) plus 160 mg enzalutamide. Dose-limiting toxicities occurred in 5 patients (200 mg: n = 1; 300 mg: n = 2, 400 mg: n = 2). No new or unexpected adverse events or evidence of drug–drug interaction were observed. At the recommended dose of GSK2636771 (200 mg) plus enzalutamide, the 12-week non-PD rate was 50% (95% confidence interval: 28.2–71.8, n = 22); 1 (3%) patient achieved a radiographic partial response lasting 36 weeks. Four of 34 (12%) patients had prostate-specific antigen reduction of ≥50%. Conclusions: Although there was acceptable safety and tolerability with GSK2636771 plus enzalutamide in patients with PTEN-deficient mCRPC after failing enzalutamide, limited antitumor activity was observed.

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