Tokyo, Oct. 22 -- UMIN Clinical Trials Registry (UMIN-CTR) received information related to the study (UMIN000059491) titled 'Study on Gene Expression Characteristics in Skin Areas Suspected of Having Solar Lentigines or Melasma' on Oct. 21.

Study Type: Observational

Primary Sponsor: Institute - POLA Chemical Industries, Inc.

Condition: Condition - Solar Lentigines, Melasma Classification by malignancy - Others Genomic information - NO

Objective: Narrative objectives1 - Establishment of a Novel Classification of Pigmentation Spots and Elucidation of Their Underlying Causes Based on Gene Expression Profiling in Skin Areas Suspected of Solar Lentigines or Melasma Basic objectives2 - Others

Eligibility: Age-lower limit - 18 years-old <= A...