Comparative Study of the Quality of Life of Patients Suffering From OTOTOXICITY Due to Chemotherapy Based on Platinum Salts Fitted With a Hearing Aid Compared to Those Not Fitted.

Inclusion Criteria: * Adult patient * Patient currently undergoing treatment with platinum-based chemotherapy and suffering from hypoacusia consistent with the treatment or presenting a worsening of already existing hypoacusis consistent with the start of treatment with platinum-based chemotherapy * Patient whose hypoacusis is confirmed by the audiometric test * Patient able and willing to follow all study procedures in accordance with the protocol. * Patient having understood, signed and dated the consent form * Patient affiliated to the social security system Exclusion Criteria: * Pregnant or breastfeeding woman * Persons deprived of liberty or under guardianship (including curatorship) * Impossibility of submitting to medical monitoring of the trial for geographical, social or psychological reasons * Patient with a contraindication to wearing hearing aids * Patient already fitted * Patient already included in a protocol including an experimental molecule * Patient who has not started treatment with platinum-based chemotherapy * Patient presenting only tinnitus without hearing loss