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“Skin rash developed shortly after starting treatment (for pancreatic cancer) seemed to be associated with better efficacy and might be used to assist clinical decision-making…”
Treatment-related side effects can be painful, irritating and… predictive for overall and progression-free survival??? Wait, what? Yes, according to the meta-analysis linked and excerpted below, pancreatic cancer patients who undergo gemcitabine plus erlotinib chemotherapy and develop skin rashes may live experience a longer remission and may even live longer.
Further, according to the meta-analysis, “A dose–response relationship was also observed for both OS and PFS.” This finding is a good news, bad news sort of thing. By that I mean that gemcitabine and elotinib are toxic chemo regimens. Finding a way to increase the efficacy of this regime without increasing the toxicity may be difficult.
Unless you could find an integrative, evidence-based therapy that enhanced the efficacy of gemcitabine. And the second study linked and excerpted below explains just that- curcumin is cytotoxic to pancreatic cancer by itself and also enhances the efficacy of gemcitabine.
Keep in mind that curcumin is notoriously difficult for the body to absorb. The third article below lists the most bioavailable curcumin formulas.
Have you been diagnosed with pancreatic cancer? Scroll down and post a question or comment.
If you would like to learn more about curcumin and other evidence-based therapies for Pancreatic Cancer, please watch the short video below:
“Purpose: The survival benefit from gemcitabine plus erlotinib was on average marginal for advanced pancreatic cancer (APC) patients. Skin rash developed shortly after starting treatment seemed to be associated with better efficacy and might be used to assist clinical decision-making, but the results across studies were inconsistent. Thus, we conducted a systematic review and meta-analysis…
Results: A total of 16 studies with 1,776 patients were included. Patients who developed skin rash during treatment had longer OS and longer PFS than those who did not.A dose–response relationship was also observed for both OS and PFS.
Conclusion: Skin rash was associated with better OS and PFS in APC patients treated with gemcitabine plus erlotinib. It might be used as a marker for efficacy to guide clinical decision-making toward a more precise and personalized treatment.
“Development of resistance to chemotherapeutic drugs is a major challenge in the care of patients with pancreatic ductal adenocarcinoma (PDAC). Acquired resistance to chemotherapeutic agents in PDAC has been linked to a subset of cancer cells termed ‘cancer stem cells’ (CSCs). Therefore, an improved understanding of the molecular events underlying the development of pancreatic CSCs is required to identify new therapeutic targets to overcome chemoresistance. Accumulating evidence indicates that curcumin, a phenolic compound extracted from turmeric, can overcome de novo chemoresistance and re-sensitize tumors to various chemotherapeutic agents.
Here, we report the re-sensitization of chemoresistant PDAC cells by curcumin through the inhibition of the PRC2-PVT1-c-Myc axis. Using gemcitabine-resistant PDAC cell lines, we found that curcumin sensitized chemoresistant cancer cells by inhibiting the expression of the PRC2 subunit EZH2 and its related lncRNA PVT1.
Curcumin was also found to prevent the formation of spheroids, a hallmark of CSCs, and to down-regulate several self-renewal driving genes. In addition, we confirmed our in vitro findings in a xenograft mouse model where curcumin inhibited gemcitabine-resistant tumor growth. Overall, this study indicates clinical relevance for combining curcumin with chemotherapy to overcome chemoresistance in PDAC.”
The Most BioAvailable Curcumin Formulas
“Based on a review of these studies, it is evident that better bioavailability of formulated curcumin (CU) products is mostly attributed to improved solubility, stability, and possibly low first-pass metabolism”
A search of the Pubmed database for the word curcumin yields 601 studies spaning health topics from multiple myeloma and colorectal cancer, to chemotherapies that synergizes with CU, to Alzheimer’s Disease, arthritis and more. Based on years of reading studies and personal accounts, I think it is safe to say that CU supplementation is safe and relatively inexpensive.
I have read about myeloma patients taking daily doses of CU from 400 milligrams to 8 grams (1000 milligrams = 1 gram). By almost any measure, CU is a safe, inexpensive wonder drug.
The only challenge is that CU is famously difficult to absorb in the body. In other words, a person has to mix curcumin with some sort of fat (coconut oil, chocolate, etc.) or take a brand of curcumin capsule that is already formulated to be more “bioavailable” in order to derive the full benefit of CU.
The study linked and exerpted below reviews different formulations of CU. The study itself lists the three most bioavailable formulation/brand of CU and I’ve added an excerpt from a further review from Consumerlab.com that lists four additional bioavailable brands of CU.
“Curcumin is a widely studied natural compound which has shown tremendous in vitro therapeutic potential. Despite that, the clinical efficacy of the native CU is weak due to its low bioavailability and high metabolism in the gastrointestinal tract. During the last decade, researchers have come up with different formulations with a focus on improving the bioavailability of curcumin. As a result, a significant number of bioavailable curcumin-based formulations were introduced with the varying range of enhanced bioavailability.
The purpose of this review is to collate the published clinical studies of CU products with improved bioavailability over conventional (unformulated) CU. Based on the literature search, 11 curcumin formulations with available human bioavailability and pharmacokinetics data were included in this review. Further, the data on clinical study design, analytical method, pharmacokinetic parameters and other relevant details of each formulation were extracted.
Based on a review of these studies, it is evident that better bioavailability of formulated curcumin products is mostly attributed to improved solubility, stability, and possibly low first-pass metabolism. The review hopes to provide a quick reference guide for anyone looking information on these bioavailable curcumin formulations.
exhibited over 100-fold higher bioavailability relative to reference unformulated CU. Suggested mechanisms accounting for improved bioavailability of the formulations and details on the bioanalysis methods are also discussed.”
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