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Attend this session at the
2019 ASCO Annual Meeting!


Session: Gastrointestinal (Noncolorectal) Cancer

Type: Poster Session

Time: Monday June 3, 8:00 AM to 11:00 AM

Location: Hall A

A randomized phase II trial of niraparib plus either nivolumab or ipilimumab in patients with advanced pancreatic cancer whose cancer has not progressed on platinum-based therapy.

Sub-category:
Pancreatic Cancer

Category:
Gastrointestinal (Noncolorectal) Cancer

Meeting:
2019 ASCO Annual Meeting

Abstract No:
TPS4161

Poster Board Number:
Poster Session (Board #256a)

Citation:
J Clin Oncol 37, 2019 (suppl; abstr TPS4161)

Author(s): Kim Anna Reiss, Rosemarie Mick, Mark H. O'Hara, Ursina R. Teitelbaum, Thomas Benjamin Karasic, Charles John Schneider, Peter J. O'Dwyer, Danielle Karlson, Stacy Cowden, Mary Jane Fuhrer, Erica L. Carpenter, Austin A Pantel, Mehran Makvandi, David A. Mankoff, Katharine Nathanson, Kara Noelle Maxwell, Gregory Lawrence Beatty, Susan M. Domchek; University of Pennsylvania Abramson Cancer Center, Philadelphia, PA; University of Pennsylvania, Philadelphia, PA; University of Pennsylvania Perelman School of Medicine, Philadelphia, PA; University of Pennsylvania Abramson Cancer Center, Division of Medical Oncology, Philadelphia, PA; University of Pennsylvania Hospital, Philadelphia, PA; Hospital of the University of Pennsylvania, Philadelphia, PA

Abstract Disclosures

Abstract:

Background: The treatment paradigm for advanced pancreatic ductal adenocarcinoma (PDAC) typically involves ongoing chemotherapy until either disease progression or clinical deterioration. A subset of patients with advanced PDAC have exceptional responses to platinum-based chemotherapy. We hypothesized that durable platinum sensitivity in patients with advanced PDAC might be indicative of a DNA repair deficiency, and that these patients may respond to a combination of niraparib, a PARP inhibitor, plus immune checkpoint blockade. Methods: We have enrolled 25 of 84 planned patients on study NCT 03404960. Eligibility criteria include inoperable PDAC and stability on platinum-based chemotherapy for ≥16 weeks without evidence of progressive disease. Patients who have progressed on platinum-based treatment or who have received prior therapy with PARP inhibitors are excluded. Patients are randomized to receive oral niraparib 200mg PO daily plus nivolumab 240mg IV every two weeks in continuous 28 day cycles or oral niraparib 200mg PO daily plus ipilimumab 3mg/kg IV every three weeks for four doses in continuous 21 day cycles. The primary endpoint is progression-free survival at 6 months. Secondary endpoints include response rate, duration of response and overall survival. Paired biopsies are obtained, as well as serial blood collections for circulating tumor cells (CTCs), circulating tumor DNA (ctDNA) and peripheral blood mononuclear cells (PBMCs). Correlative assays will include germline whole exome sequencing and analyses of serially collected PBMCs, CTCs and ctDNA to identify genomic and immunologic innate and adaptive resistance mechanisms. Clinical trial information: NCT 03404960.

 
Other Abstracts in this Sub-Category:

 

1. Olaparib as maintenance treatment following first-line platinum-based chemotherapy (PBC) in patients (pts) with a germline BRCA mutation and metastatic pancreatic cancer (mPC): Phase III POLO trial.

Meeting: 2019 ASCO Annual Meeting Abstract No: LBA4 First Author: Hedy L. Kindler
Category: Gastrointestinal (Noncolorectal) Cancer - Pancreatic Cancer

 

2. APACT: phase III, multicenter, international, open-label, randomized trial of adjuvant nab-paclitaxel plus gemcitabine (nab-P/G) vs gemcitabine (G) for surgically resected pancreatic adenocarcinoma.

Meeting: 2019 ASCO Annual Meeting Abstract No: 4000 First Author: Margaret A. Tempero
Category: Gastrointestinal (Noncolorectal) Cancer - Pancreatic Cancer

 

3. Randomized phase II study of second-line modified FOLFIRI with PARP inhibitor ABT-888 (Veliparib) (NSC-737664) versus FOLFIRI in metastatic pancreatic cancer (mPC): SWOG S1513.

Meeting: 2019 ASCO Annual Meeting Abstract No: 4014 First Author: E. Gabriela Chiorean
Category: Gastrointestinal (Noncolorectal) Cancer - Pancreatic Cancer

 

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