As a method of POMALYST® PMS, Drug Use Examination (DUE) is planned and designed to comply with the regulatory requirement in consequence of approval of a new drug in Korea. This DUE is a non-interventional, observational and post-marketing surveillance, which is conducted as a regulatory required procedure to evaluate product safety of a new drug treatment in clinical routine practice in Korea. And this DUE will be conducted in compliance with the local guideline [standard for Re-examination of New Drugs, etc.] as a post approval commitment.

The recommended starting dose of POMALYST is 4 mg once daily taken orally on Days 1 to 21 of repeated 28-day cycles. The recommended dose of dexamethasone is 40 mg orally once daily on Days 1, 8, 15 and 22 of each 28-day treatment cycle

Any untoward medical occurrence in a patient administered a medicinal product and which does not necessarily have a causal relationship with this treatment, i.e., any unfavorable and unintended sign (e.g. an abnormal laboratory finding), symptom, or disease temporally associated with the use of a medicinal product whether or not considered related to the medicinal product.se temporally associated with the use of a medicinal product whether or not considered related to the medicinal product.

The percentage of patients who achieve CR (complete response), sCR (stringent complete response), Immunophenotypic CR, Molecular CR, VGPR (very good partial response) and PR (partial response) will be evaluated as overall response rate during POMALYST® treatment period based on International Myeloma Working Group Criteria for Multiple Myeloma.

Analysis and reporting for efficacy will be done at every 6months for the first 2years and after then, annual report(3,4,5th yearly report) and CSR for all data of 6years will be submitted to MFDS in accordance with MFDS guideline.