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Artículo Tomo 71, Número. 4, Mayo 2018

Archivos Españoles de Urología

Analysis of tolerance and security of chemo hyperthermia with Mitomycin C for the treatment of non-muscle invasive bladder cancer

Authors: Juan León-Mata, José Luis Domínguez, Joan Palou Redorta, Daniel Sousa González, María Álvarez Casal, Alejandro Sousa Escandón y Eva Piñeiro Vázquez.

Arch. Esp. Urol. 2018; 71 (4): 426-437

Vol. 71, Number. 4, May 2018

OBJECTIVES: The treatment of non muscle invasive bladder cancer (NMIBC) continues to be a challenge. Hyperthermia(HT) combined with intravesical chemotherapy is used to enhance the effects of chemotherapy. METHODS: A review of the publications was carried out to synthesize the adverse effects (AE) reported by the use of chemohyperthermia (QHT) with Mitomycin-C (MMC). The most relevant data are exposed for each of the devices currently used in the QHT. RESULTS: SYNERGO®: The dropout rate varied between 3-40%, and the AE rate is up to 88%. The most common AEs were pain (2-40%), thermal reaction of the posterior wall (13-100%), bladder spasms (2-32%), dysuria (3-60%) and hematuria (2-62%). COMBAT BRS®: The dropout rate is 3-11%. The AEs reported were CTCAE Grade 1-2: Pain 13-27%, bladder spasms 6-27% and hematuria 3-20% are the most relevant. In general, CTCAE grade 3-4 toxicity is not reported. UNITHERMIA®: The dropout rate is 7-12%. The AEs described are: Pain 6-23%, bladder spasms 6-23%, hematuria 9-11%, frequency 15-25% and allergy 6-11%. The majority of toxicities are CTCAE grade 1-2 (17-53%), with grade 3-4 in 9-15% and Grade 5 in 0-2%. QHT adds little to the AEs of the treatment with MMC. It neither adds severe effects, nor increases dropouts significantly, and does not increase the incidence of allergic reactions. The comparative study between BCG and QHT-MMC, is less likely to present urinary frequency, nocturia, incontinence, hematuria, fever, fatigue and arthralgia in patients in the QHT group. CONCLUSIONS: QHT has proven to be a safe alternative for the treatment of intermediate and high risk NMIBC, with AE mainly grade 1-2. The AEs reported have little variation with respect to the dose of MMC used, presenting different “profiles” related to the device used for its administration. The treatments with QHTMMC are well tolerated, without adding significantly more AE than the instillations of MMC alone and presenting a better toxicity profile than those reflected in the literature with respect to the treatment with BCG.


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