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Association of HSV reactivation and pro-inflammatory cytokine levels with the severity of stomatitis after BEAM chemotherapy and autologous SCT.

Author(s): Ruping MJ, Keulertz C, Vehreschild JJ, Lovenich H, Sohngen D, Wieland U, Cornely OA

Affiliation(s): Uniklinik Koln, Klinik I fur Innere Medizin, Koln, Germany.

Publication date & source: 2010-07-11, Support Care Cancer., [Epub ahead of print]

BACKGROUND: Stomatitis, including oral mucositis and ulcerations induced by HSV-reactivation are major sources of morbidity after high-dose (HD) chemotherapy and subsequent autologous hematopoietic stem cell transplantation (SCT). While increased synthesis of pro-inflammatory cytokines, such as interleukin-1 (IL-1) and tumor necrosis factor alpha (TNF-alpha)-as well as reactivation of viral infections have frequently been observed in this setting, data on their association with the severity of mucositis is limited. MATERIALS AND METHODS: Fifteen patients with Hodgkin's or non-Hodgkin's lymphoma receiving HD conditioning chemotherapy and autologous SCT were assessed with respect to oral pain and severity of stomatitis on day -6, 0, +5 to +7, +13 to +15, and +100. On the same dates, IL-1 and TNF-alpha were quantified in saliva and screening for a wide range of viral pathogens was carried out by cell culture and PCR and complemented by serological analyses. t Tests were used to assess potential associations between these variables. RESULTS: All but one patient had a positive HSV IgG titer at baseline. Reactivation as confirmed by HSV PCR was observed in seven patients (50%). There was a significant association between the presence of HSV in saliva samples and severity of stomatitis (t test, p = 0.015). The highest concentration of TNF-alpha and IL-1 coincided with the maximum intensity of stomatitis, but the association was not significant. CONCLUSION: We found a significant association between the presence of HSV in saliva samples and severity of stomatitis in patients receiving HD chemotherapy and subsequent autologous SCT. While acyclovir prophylaxis has become standard for patients undergoing allogeneic SCT, this issue has not been sufficiently explored for other chemotherapy regimens. Based on our findings, conduction of a well-powered controlled randomized trial may be warranted.

Page last updated: 2010-10-05

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