Pituitary & hypothalamus

The effect of hypoprolactinemia on cardiometabolic effects of rosuvastatin in men: A matched Cohort Pilot Study

PituitaryPublished Matched cohort pilot study

An erratum to this article was published (Pituitary, 18 Aug 2026 ↗)

Authors' conclusion

These findings suggest that hypoprolactinemia may worsen cardiometabolic outcomes in men receiving rosuvastatin therapy.

Study context

Population
Men with indications for statin therapy, all receiving rosuvastatin for six monthsmatched cohort
Participants
16 / 23 / 37
Exposure
Hypoprolactinemia vs normal prolactin levels in men receiving rosuvastatin
  • Group 1n = 16
  • Groups 2n = 23
  • 3n = 37reference
Outcome
Cardiometabolic effects of rosuvastatin
Follow-up
Six months

Main finding

As reported in the abstract

  • Rosuvastatin reduced total and LDL cholesterol in all groups, with a greater effect in groups 2 and 3
  • Reductions in high-sensitivity C-reactive protein (hs-CRP), fibrinogen, uric acid, homocysteine and urinary albumin-to-creatinine ratio (UACR) only in groups with normal prolactin
  • Group 1 had increases in HbA1c and HOMA-IR
  • At study end, carotid intima-media thickness (CIMT) greater in group 1 than in groups 2 and 3; groups 2 and 3 comparable
  • In hypoprolactinemia, rosuvastatin effects on lipids, hs-CRP, fibrinogen, uric acid, homocysteine, UACR, HbA1c, HOMA-IR and CIMT correlated with baseline and posttreatment prolactin

Observational data: associations, not effects.

Further findings

Baseline characteristics

Men with hypoprolactinemia had higher hs-CRP, fibrinogen, homocysteine, UACR, HbA1c and HOMA-IR, and lower testosterone than those with normal prolactin

Original publication

The effect of hypoprolactinemia on cardiometabolic effects of rosuvastatin in men: A matched Cohort Pilot Study. Pituitary. Published 1 July 2026. doi:10.1007/s11102-026-01721-6

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