Dutasteride

@article{Evans2003Dutasteride,
  title={Dutasteride},
  author={H. C. Evans and Karen L. Goa},
  journal={Drugs \& Aging},
  year={2003},
  volume={20},
  pages={905-916},
  url={https://api.semanticscholar.org/CorpusID:242987808}
}
Impotence, reduced libido, gynaecomastia and ejaculation disorder occurred significantly more often in dutasteride than placebo recipients, but incidence was generally low and with the exception of gynaemastia, incidence consistently decreased over time.
3 Citations

Neuropsychological Assessment in Elderly Men with Benign Prostatic Hyperplasia Treated with Dutasteride

Preliminary data are consistent with the safety of dutasteride under a mental profile, and no significant associations were recorded between treatment duration and any of the administered tests.

Meta-analysis of the efficacy and safety of combination of tamsulosin plus dutasteride compared with tamsulosin monotherapy in treating benign prostatic hyperplasia

The combination of tamsulosin plus dutasteride provides a preferable therapeutic effect for BPH with a higher incidence of sexual side effects, but combination-therapy can markedly reduce risk of BPH-related symptom progression and acute urinary retention relative to tamsULosin monotherapy.