Title
A phase Ib/IIa trial to evaluate the CCK2 receptor antagonist Z-360 in combination with gemcitabine in patients with advanced pancreatic cancer A phase Ib/IIa trial to evaluate the CCK2 receptor antagonist Z-360 in combination with gemcitabine in patients with advanced pancreatic cancer
Author
Faculty/Department
Faculty of Medicine and Health Sciences
Publication type
article
Publication
Subject
Human medicine
Source (journal)
European journal of cancer
Volume/pages
46(2010) :3 , p. 526-533
ISSN
0959-8049
1879-0852
ISI
000275594400021
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Abstract
Aim To evaluate the combination of the gastrin antagonist Z-360 and gemcitabine for advanced pancreatic cancer. Methods Previously untreated patients with PC were randomly allocated to Z-360 120 mg, 240 mg or placebo. Z-360/placebo was given on day 3 and gemcitabine 1000 mg/m2 commenced on day 1 followed by Z-360 on day 2. Thereafter Z-360/placebo was given twice daily concurrently with standard dose of gemcitabine. Pharmacokinetics for both drugs was measured alone and in combination. Toxicity, response and quality of life were also recorded. Results Thirty-three patients with a median age of 62 years were randomised of which six had locally advanced disease and 26 had metastatic disease. Analysis of the area under the plasma concentration versus time curve (AUC), the maximum observed concentration (Cmax(obs)) and the time of the maximum observed concentration (Tmax(obs)) for Z-360, gemcitabine and 2,2-difluorodeoxyuridine (dFdU), could not exclude an effect on the systemic exposure to Z-360, gemcitabine and dFdU when co-administration of Z-360 and gemcitabine was compared with single agent administration. The most commonly reported adverse events were nausea, abdominal pain, vomiting and fatigue. At the end of the study, 62.5%, 25% and 60% had stable disease in the 120 mg, 240 mg and placebo group, respectively. A higher proportion of patients in Z-360 groups reported improvement in pain. Conclusions Z-360 is safe and well tolerated when combined with gemcitabine. A Phase III trial is needed to determine whether the combination of Z-360 and gemcitabine is superior to gemcitabine alone in advanced PC.
E-info
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