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Spots Global Cancer Trial Database for Phase III Trial of Gemcitabine, Curcumin and Celebrex in Patients With Advance or Inoperable Pancreatic Cancer

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Trial Identification

Brief Title: Phase III Trial of Gemcitabine, Curcumin and Celebrex in Patients With Advance or Inoperable Pancreatic Cancer

Official Title:

Study ID: NCT00486460

Study Description

Brief Summary: Pancreatic cancer is an aggressive disease with an extremely poor prognosis. It is the forth leading cause of cancer-related fatalities, with an estimated one-year and five-year survival rate of 21% and 5%, respectively. Despite recent progress, the median survival time is 6-10 months for patients with locally advanced disease and 3-6 months for metastatic disease (1). The anti-metabolite gemcitabine has become the standard chemotherapy for locally advanced and metastatic pancreatic cancer, after demonstrating an improved rate of clinical benefit response and an overall survival advantage over 5-FU (2). In addition to its clinical effectiveness gemcitabine has a manageable toxicity profile, making it an attractive agent to investigate in combination with newer agents. Series of phase III trials were conducted examining the efficacy of the combination of gemcitabine and a second cytotoxic agent, including 5-FU, cisplatin, oxaliplatin and irinotecan. These gemcitabine doublets demonstrated no survival advantage over single-agent gemcitabine (3-6). However, the rationale for continuing to study gemcitabine-based combinations remains compelling. Curcumin (diferuloylmethane) is a natural compound derived from the rhizome of Curcuma Longa, an East Indian plant, commonly called turmeric. It has been shown to possess potent anti-inflammatory and anti-oxidative properties, for which it has a long history of dietary use as a food additive. Curcumin has also a potent anti-proliferative effects against a variety of cancer cell lines in vitro, which stem from its ability to modulate many intracellular signal transduction pathways (7). Human phase I-II studies found curcumin to be safe, and indicated no dose-limiting toxicity when taken by mouth at doses up to 10 g/day (8, 9). This data, together with the dismal therapeutic options available for pancreatic cancer patients, suggest that curcumin warrants investigation in this setting. Investigators from MD Anderson Cancer Center and Rambam Medical Center in Haifa, have recently initiated, separately, a phase II study of single agent Curcumin in patients with pancreatic cancer (10). One of the lessons learned from cancer research in recent decades is that combination strategies can provide dramatic improvement in a therapy's safety and efficacy over mono-therapeutic regiments, especially if the combined drugs differ in their mode of action. In a recent paper that was accepted for publication we demonstrated, in vitro, the mechanism, clinical importance and implications of a novel combinatorial therapy, of celecoxib and curcumin, that was discovered in our lab, in inhibiting the growth of several pancreatic cell lines. P-34 (expressing high levels of COX -2), MiaPaca (Expressing low levels of COX-2) and Panc-1 (no expression of COX -2) cell lines were exposed to different concentrations of celecoxib (0-40µM), curcumin (0-20µM) and their combination. In P-34 cells, curcumin synergistically potentiated the inhibitory effect of celecoxib on cell growth. The growth inhibition was associated with inhibition of proliferation and induction of apoptosis. These experiments further demonstrate, for the first time, that the combination effect is correlated with synergistic augmentation of apoptosis and involves down-regulation of COX-2 protein. The present study evaluates gemcitabine in combination with curcumin and celecoxib for patients with pancreatic cancer.

Detailed Description:

Eligibility

Minimum Age: 18 Years

Eligible Ages: ADULT, OLDER_ADULT

Sex: ALL

Healthy Volunteers: No

Locations

Sourasky Medical Center, Tel Aviv, , Israel

Contact Details

Name: Arber Nadir, M.D, Msc, MHA

Affiliation: University of Tel Aviv

Role: PRINCIPAL_INVESTIGATOR

Useful links and downloads for this trial

Clinicaltrials.gov

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