Disrupting TNF signaling in pancreatic cancer: A phase I/II clinical study in patients with advanced disease

Kosuri, Kavitha; Bekaii‐Saab, Tanios; Bender, Joseph; Criswell, Tamara; Kane, Y. Dia; Chidiac, T.; Young, Donn C.; Guttridge, Denis C.; Caligiuri, Maureen; Villalona‐Calero, Miguel A.

doi:10.1200/jco.2005.23.16_suppl.4103

Cited by 1 publication

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“…The studies were conducted at the Arthur G. James Cancer Center at The Ohio State University, Columbus, Ohio; The Karmanos Cancer Institute at Wayne State University, Detroit, Michigan; and the University of Michigan, Ann Arbor. These studies were approved by the ethics board of all respective institutions 20‐25…”

Section: Methodsmentioning

confidence: 99%

Carbohydrate antigen 19‐9 is a prognostic and predictive biomarker in patients with advanced pancreatic cancer who receive gemcitabine‐containing chemotherapy

Bauer

El‐Rayes

et al. 2012

Cancer

109

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BACKGROUND Carbohydrate antigen 19-9 (CA19-9) is a widely used biomarker in pancreatic cancer. There is no consensus on the interpretation of the change in CA19-9 serum levels and its role in the clinical management of patients with pancreatic cancer. METHODS Individual patient data from 6 prospective trials evaluating gemcitabine-containing regimens from 3 different institutions were pooled. CA19-9 values were obtained at baseline and after successive cycles of treatment. The objective of this study was to correlate a decline in CA19-9 with outcomes while undergoing treatment. RESULTS A total of 212 patients with locally advanced (n = 50) or metastatic (n = 162) adenocarcinoma of the pancreas were included. Median baseline CA19-9 level was 1077 ng/mL (range, 15–492,241 ng/mL). Groups were divided into those levels below (low) or above (high) the median. Median overall survival (mOS) was 8.7 versus 5.2 months (P = .0018) and median time to progression (mTTP) was 5.8 versus 3.7 months (P = .082) in the low versus high groups, respectively. After 2 cycles of chemotherapy, up to a 5% increase versus ≥ 5% increase in CA19-9 levels conferred an improved mOS (10.3 vs 5.1 months, P = .0022) and mTTP (7.5 vs 3.5 months, P = 0.0005). CONCLUSIONS In patients who have advanced pancreatic cancer treated with gemcitabine-containing regimens baseline CA19-9 is prognostic for outcome. A decline in CA19-9 after the second cycle of chemotherapy is not predictive of improved mOS or mTTP; thus, CA19-9 decline is not a useful surrogate endpoint in clinical trials. Clinically, a ≥ 5% rise in CA19-9 after 2 cycles of chemotherapy serves as a negative predictive marker.

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Section: Methodsmentioning

confidence: 99%