Pituitary & hypothalamus

Secondary Hypogonadism and Effects of Testosterone Replacement Therapy on Cardiovascular Events

J Clin Endocrinol MetabPublished Retrospective cohort study

Authors' conclusion

TRT does not appear to increase risk of MACE in those with SHG related to pituitary disorders. Untreated SHG appears to convey increased risk of mortality though these patients were older and more comorbid.

Study context

Population
Male patients with nonfunctioning pituitary adenomas and prolactinomas, with and without secondary hypogonadism (SHG)
Participants
408 patients
Exposure
Testosterone replacement therapy (TRT)-treated SHG vs untreated SHG vs no SHG
  • TRT-treated SHGn = 214
  • Untreated SHGn = 44
  • No SHGn = 150reference
Outcome
MACE:
  • Stroke
  • MI
  • Mortality
Follow-up
Median 8.1 years (IQR 3.3-14.1)

Main finding

As reported in the abstract

MACE

Observational data: associations, not effects.

Further findings

Increased risk of mortality in untreated SHG vs both TRT-treated SHG and no SHG

Original publication

Secondary Hypogonadism and Effects of Testosterone Replacement Therapy on Cardiovascular Events. J Clin Endocrinol Metab. Published 18 November 2025. doi:10.1210/clinem/dgaf631

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