Provided are a hormone secretion modulator including a peptide derived from telomerase, more particularly, a peptide including an amino acid sequence of SEQ ID NO: 1, an amino acid sequence having a sequence identity of at least 80% with SEQ ID NO: 1, or a fragment thereof, a pharmaceutical composition including the hormone secretion modulator, and a use of the pharmaceutical composition for treatment, alleviation, or prevention of diseases caused by excessive or deficient levels hormones.本發明提供一種激素分泌調節劑,其包含來源於端粒酶之肽,更特定言之,包含SEQ ID NO:1之胺基酸序列、與SEQ ID NO:1具有至少80%序列一致性之胺基酸序列或其片段之肽;一種包含激素分泌調節劑之醫藥組成物;及一種醫藥組成物之用途,其用於治療、緩解或預防由含量過多或不足之激素所導致之疾病。