Jansen et al observed a progressive decline in left renal function with 11% decrease at 6 months and 52%
decline at 18 months post-radiation. In patients with non primary gastrointestinal malignancies treated with chemoradiation, Kost and colleagues prospectively investigated the dose effect on renal damage using functional and biochemical endpoints (9). Decline in renal function on static scintigraphy was seen in 23% of patients. The extent of scintigraphic change was related to dose and volume irradiated and changes were observed even at relatively low doses (<10Gy). Decline of the relative contribution of the irradiated Inhibitors,research,lifescience,medical kidney to overall renal function was detected at one year post-radiation and progressively decreased to 35-40% at 3 years. The influence of chemo{TNF-alpha inhibitor|TNF alpha inhibitor|TNF-alpha inhibitor|TNF alpha inhibitor|TNF-alpha inhibitor|TNF alpha inhibitor|TNF-alpha inhibitor|TNF alpha inhibitor|TNF-alpha inhibitor|TNF alpha inhibitor|TNF-alpha inhibitor|TNF alpha inhibitor|TNF-alpha inhibitor|TNF alpha inhibitor|TNF-alpha inhibitor|TNF alpha inhibitor|TNF-alpha inhibitor|TNF alpha inhibitor|TNF-alpha inhibitor|TNF alpha inhibitor|TNF-alpha inhibitor|TNF alpha inhibitor|TNF-alpha inhibitor|TNF alpha inhibitor|TNF-alpha inhibitor|TNF alpha inhibitor|TNF-alpha inhibitor|TNF alpha inhibitor|TNF-alpha inhibitor| buy TNF-alpha inhibitor|TNF-alpha inhibitor ic50|TNF-alpha inhibitor price|TNF-alpha inhibitor cost|TNF-alpha inhibitor solubility dmso|TNF-alpha inhibitor purchase|TNF-alpha inhibitor manufacturer|TNF-alpha inhibitor research buy|TNF-alpha inhibitor order|TNF-alpha inhibitor mouse|TNF-alpha inhibitor chemical structure|TNF-alpha inhibitor mw|TNF-alpha inhibitor molecular weight|TNF-alpha inhibitor datasheet|TNF-alpha inhibitor supplier|TNF-alpha inhibitor in vitro|TNF-alpha inhibitor cell line|TNF-alpha inhibitor concentration|TNF-alpha inhibitor nmr|TNF-alpha inhibitor in vivo|TNF-alpha inhibitor clinical trial|TNF-alpha inhibitors|TNF-alpha signaling inhibitor|TNF-alpha pathway inhibitor|TNF-alpha signaling pathway inhibitor|TNF-alpha signaling inhibitors|TNF alpha pathway inhibitors|TNF-alpha signaling pathway inhibitors|TNF-alpha inhibitor library|TNF-alpha activity inhibition|TNF-alpha activity|TNF-alpha inhibition|TNF-alpha inhibitors library|TNF alpha inhibitor libraries|TNF-alpha inhibitor screening library|TNF-alpha high throughput screening|TNF-alpha inhibitors high throughput screening|TNF-alpha phosphorylation|TNF-alpha screening|TNF-alpha assay|TNF-alpha animal study| therapy on renal toxicity was not specifically
analyzed given small patient numbers and the variety of chemotherapeutic regimens included. Use of nephrotoxic chemotherapeutic agents such as cisplatin with abdominal Inhibitors,research,lifescience,medical radiation has been shown to reduce renal tolerance and potentiate renal toxicity (34)-(37). All patients in our study received concurrent chemotherapy and most received additional systemic Inhibitors,research,lifescience,medical therapy following radiation. As only 10% patients received cisplatin containing regimens, we did not analyze the use of cisplatin as a predictor for subsequent renal dysfunction. Nor did we analyze the influence of other chemotherapeutic agents specifically given the variability of regimens used. We Inhibitors,research,lifescience,medical further evaluated patients who had at least one renogram obtained 6-12 months post-radiation, biochemical data, and dose volume parameters available for factors associated with subsequent decline in split renal function of the primarily irradiated kidney. Of patients identified, three patients demonstrated increases greater than 5% in relative renal function of the primarily irradiated kidney from baseline
renogram. This observation is unexpected following Inhibitors,research,lifescience,medical radiation and the explanation for increase in split renal function is likely multifactorial. These patients were not included in the subsequent analysis. In patients with < 5% increase, stable, or decreased split renal function following radiation, no patient related factors were found to be associated with decrease in relative renal function of very the primarily irradiated kidney. Treatment related factors significantly associated with decrease of ≥5% relative renal function on univariate analysis included V25 and V40. The mean kidney dose of the primarily irradiated kidney trended toward significance. Although our study was not able to identify other factors associated with decrease in relative renal function following abdominal radiation, it is likely that additional dose volume parameters are involved as they are interrelated.
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