ASCO Highlights: PD-1/PD-L1; MPACT trial, AFFIRM trial

Published Online: June 4, 2013
ASCO2013



Myeloma



MM-003: A phase III, multicenter, randomized, open-label study of pomalidomide plus low-dose dexamethasone (LoDEX) versus high-dose dexamethasone (HiDEX) in relapsed/refractory multiple myeloma (RRMM)

Jesùs F. San-Miguel, MD, PhD

Pomalidomide + LoDEX significantly extended PFS and overall survival vs. HiDEX in patients who failed lenalidomide and bortezomib. Pomalidomide + LoDEX should become a standard of care in relapsed/refractory multiple myeloma patients who have exhausted treatment with lenalidomide and bortezomib.

Breast Cancer



PrECOG 0105: Final efficacy results from a phase II study of gemcitabine and carboplatin plus iniparib (BSI-201) as neoadjuvant therapy for triple-negative and BRCA1/2 mutation-associated breast cancer
Melinda L. Telli, MD
Preoperative gemcitabine and carboplatin plus iniparib is active in the treatment of early-stage triple-negative and BRCA1/2 mutation-associated breast cancer.

Gastrointestinal (Noncolorectal) Cancer



Results of a randomized phase III trial (MPACT) of weekly nab-paclitaxel plus gemcitabine versus gemcitabine alone for patients with metastatic adenocarcinoma of the pancreas with PET and CA19-9 correlates

Daniel D. Von Hoff, MD

MPACT was a large, international study performed at community and academic centers. nab-paclitaxel + gemcitabine was superior to gemcitabine across all efficacy endpoints, had an acceptable toxicity profile, and is a new standard for the treatment of metastatic PC that could become the backbone for new regimens.

Developmental Therapeutics - Immunotherapy



A study of MPDL3280A, an engineered PD-L1 antibody in patients with locally advanced or metastatic tumors
Roy S. Herbst, MD, PhD
MPDL3280A was well tolerated, with no pneumonitis-related deaths. Durable responses were observed in a variety of tumors. PD-L1 tumor status appears to correlate with responses to MPDL3280A.


Nivolumab (anti-PD-1; BMS-936558; ONO-4538) in patients with advanced solid tumors: Survival and long-term safety in a phase I trial.

Suzanne L. Topalian, MD

Nivolumab produced sustained survival with a manageable long-term safety profile in advanced melanoma, NSCLC and renal cell carcinoma, supporting its ongoing clinical development in controlled phase III trials with survival endpoints.

A phase II study of NPC-1C: A novel therapeutic monoclonal antibody (mab) to treat pancreatic and colorectal cancers
Preliminary results with NPC-1C show signs of clinical activity based on stable disease in heavily pretreated patients with pancreating and colorectal cancer. Safety has been established at the 1.5 mg/kg dose. A new lot of NPC-1C, produced with improved sterility and purification procedures and demonstrating no red cell agglutination, has been manufactured under GMP conditions. We plan to introduce this new lot at the current 1.5 mg/kg dose level. If there are no dose limiting toxicities, we plan to dose escalate to a higher MTD at which we will re-evaluate clinical efficacy.

Lung Cancer



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