Serum prolactin level in patients with relapsing-remitting multiple sclerosis during relapse

Sasan Moshirzadeh1, Kourosh Ghareghozli, Ali Amini Harandi

  • 1Department of Neurology, 31151 Shahid Beheshti University of Medical Sciences, Logman Hospital, South Kargar Avenue, Kamali Street, Makhsus Alley, Tehran 13336, Iran. Sasan_moshir@yahoo.com

Insights

Elevated prolactin (PRL) levels are linked to multiple sclerosis (MS). This study found significantly higher serum PRL in relapsing-remitting MS patients compared to healthy controls, supporting hyperprolactinemia

Area of Science:

  • Neurology
  • Endocrinology
  • Immunology

Background:

  • Hyperprolactinemia, a condition of elevated serum prolactin, is a potential factor in the development of multiple sclerosis (MS).
  • Understanding the relationship between prolactin and MS pathogenesis is crucial for developing targeted therapies.

Purpose of the Study:

  • To investigate the association between serum prolactin levels and relapsing-remitting multiple sclerosis (RRMS).
  • To determine if RRMS patients exhibit higher prolactin concentrations compared to healthy individuals.

Main Methods:

  • A case-control study was conducted involving 58 patients with definite RRMS during relapse and 58 age- and sex-matched healthy controls.
  • Serum prolactin (PRL) concentrations were measured in all participants.

Main Results:

  • Patients with RRMS showed significantly higher mean serum PRL levels (501.3 ± 232.6 mIU/L) compared to healthy controls (233.3 ± 142.7 mIU/L; p < 0.0001).
  • This hyperprolactinemic state was observed in both females with MS and males with MS when compared to their respective controls.
  • Specifically, females with MS had higher PRL (704.4 ± 119.6 mIU/L) than female controls (305.5 ± 156.9 mIU/L; p < 0.001), and males with MS had higher PRL (358.0 ± 180.0 mIU/L) than male controls (182.3 ± 107.5 mIU/L; p < 0.001).

Conclusions:

  • The findings provide strong evidence supporting the hypothesis that patients with RRMS experience a hyperprolactinemic state.
  • Elevated prolactin levels appear to be a characteristic feature of RRMS, irrespective of gender.