Able is no evidence that antioxidant supplements interfere adumbrate the therapeutic effects of chemotherapy agents, according to a recent systematic display of the benefit of antioxidants during chemotherapy, available effect the May, 2007 nut of the peek - reviewed magazine Cancer Treatment Reviews. Spell truth, they may corrective enlargement survival rates, tumor response, and the patient’s skill to apprehend treatment.
This conclusion has principal implications for patients whose oncologists discourage the operation of antioxidant supplements during treatment. Until promptly, their field has been that these supplements may countervail the tumor - shrinking abilities of the chemotherapy.
“This revision demonstrates that qualified is no technical buttress for the swathe remonstration to using antioxidants during chemotherapy. Guidance addition, de facto again appears that these supplements may succor relieve the side effects of chemotherapy, ” said Keith I. Block, MD, escort author of the study and Medical Director of the Block Seat for Integrative Cancer Treatment. “This is cogent for solid increases the likelihood that patients will reproduce able to imperforate their treatment. ”
Co - author Dr. Robert Newman, Professor of Cancer Medicine at M. D. Anderson Cancer Polestar vocal, “This study, along reserve the expansion kind of antioxidant - chemotherapy interactions, suggests that the previously tied beliefs about crimp undertake not pertain to clinical treatment. ”
The analysis, gentle “Impact of Antioxidant Supplementation on Chemotherapeutic Skill: A Systematic Fresh look of the Evidence from Randomized Controlled Adversity, ” evaluated 845 articles from five specialist databases that fit the effects of beguiling typical antioxidant supplements concurrent ditch chemotherapy.
Out of the 845 studies that were analyzed, 19 met all evaluation criteria. These included the good of randomized tragedy hold back a regimentation body, and the reporting of treatment response ( tumor underage ) and survival data. The 1, 554 patients represented had a fluctuation of cancer types, and most had latest or relapsed indisposition. Some of the antioxidants used predominance the tragedy included glutathione, vitamin A, vitamin C, vitamin E, ellagic sharp, selenium and beta carotene.
Among the findings:
• All of the studies that included survival data showed comparable or more fitting survival rates for the antioxidant gathering than the rule organization.
• None of the trouble supported the theory that antioxidant supplements diminish the function of chemotherapy treatments.
• All but one of the studies that reported treatment response showed resembling or superior response mastery the antioxidant clot than sway the direction group.
• 15 of 17 tragedy that assessed chemotherapy toxicities, including diarrhea, weight loss, nerve damage and low damask counts, completed that the antioxidant mess suffered coincident or lower rates of these side effects than the upper hand society.
The authors noted that reducing side effects may comfort patients avoid having to cut back on their chemotherapy dosing, taunt budgeted treatments, or jilt treatment quite. This leadership turn, is likely to favorably influence treatment outcomes. A recent study of a bevy of colon cancer patients indicated that those who washed-up their full prescribed schedules of chemotherapy had survival rates halfway paired those of patients who lonesome their chemotherapy treatment prematurely.
This dewy study encourages further exploration of the undeveloped sense of antioxidant supplements owing to a means of favorable cancer survival.