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Discover Supplement-Drug Interactions

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Last Updated: 2 months ago

Possible Interaction: Epirubicin and Quinidine

supplement:

Quinidine

Research Papers that Mention the Interaction

The result demonstrated that verapamil, quinidine , tamoxifen, and oligomycin had an additive effect on the cytotoxicity of adriamycin and vinblastine against RCC8701 and RCC8701/ADR800 tumor cells.
Urology  •  1999  |  View Paper
Results highlight the utility of quinidine as a drug response modulator in a schedule-dependent manner to potentiate the cytotoxicity of ADR and MITO and warrants further studies into a possible role of quinidine to increase the chemotherapeutic efficacy of antineoplastic drugs in the clinics.
Neoplasma  •  1990  |  View Paper
(2) Although both tea polyphenol and quinidine could not remarkably change the toxicity of adriamycin to MCF-7, they could improve the sensitivity of MCF-7/Adr to adriamycin.
Nuclear medicine and biology  •  2001  |  View Paper
A non-toxic concentration of quinidine (5 microM) enhanced the DNA biosynthesis inhibition induced by ADR (55 to 65%) and MITO (37 to 44%) in P388/ADR cells, indicating reversal of resistance, while in P388/S cells only a minimal increase in DNA biosynthesis inhibition was observed.
Quinidine enhanced the cytotoxicity of both ADR and MITO in P388/S and P388/ADR cells, as assessed by the decrease in color intensity of formazan crystal in the MTT (3-[4,5-dimethylthiazol-2-yl]-2,5 diphenyl tetrazolium bromide) assay.
Quinidine increased the cellular levels of ADR by 53 to 126% in P388/ADR cells in vitro, but failed to indicate such elevated levels of cellular ADR in P388/S cells.
The combination of quinidine at doses of 50 to 100 mg/kg significantly potentiated the antitumor activity of ADR and MITO in P388/ADR bearing mice, whereas the potentiation of ADR and MITO antitumor response was lower in P388/S bearing mice.
Selective cancer therapeutics  •  1990  |  View Paper
The antiarrhythmic drug, quinidine , and the detergent, Tween 80, also potentiated ADR activity in P388R cells to the same extent as VER.
Cancer research  •  1986  |  View Paper
Quinidine also enhanced the cytotoxicity of Adriamycin , especially in the Adriamycin-resistant subline of P388 leukemia; this enhancement (8-fold) was less than that of VCR toxicity in the VCR-resistant tumor line.
Cancer research  •  1984  |  View Paper