Aeterna Zentaris selects Ergomed to manage Phase 3 clinical study of Macrilen Aeterna Zentaris Inc. David A. Ergomed's performance as our clinical analysis organization helping our pivotal Phase 3 ZoptEC research with zoptarelin doxorubicin in women with advanced, metastatic or recurrent endometrial cancer offers been excellent.’ Miroslav Reljanovic, M.D. We’ve a solid and deep working relationship with the Company's scientific staff and keep them in the highest regard.’.These elements affect brain chemicals and excrete imbalanced hormone which is likely for the low or loss of libido. UNWANTED EFFECTS of Medications Medications used to take care of major illness such as high blood circulation pressure, diabetes, prostate cancers etc. Diminish the libido level or cause erectile dysfunction in men further. Some medications such as SSRIs, anti-androgens, 5-alpha-reductase inhibitors, opioid analgesics have already been found perilous for men’s sexual health. Low Testosterone Level Low libido is directly concerned with low testosterone level.