Journal
CLINICAL NEUROLOGY AND NEUROSURGERY
Volume 210, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.clineuro.2021.106959
Keywords
Intracranial meningioma; Progestins; Acetate cyproterone; Nomegestrol acetate; Chlormadinone acetate
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The relationship between meningioma and progestins remains unclear. Meningioma regression after progestin withdrawal has been reported. Results suggest a strong association between CA treatment and development of intracranial meningioma, with potential regression after withdrawal. Further studies are needed for NA and ChlA groups.
Introduction: The relationship between meningioma and progestins has not been elucidated. Meningioma regression after acetate cyproterone (CA) withdrawal has been reported. Our purpose was to evaluate the meningioma evolution after withdrawal of progestins in patients who underwent long-term exposure to CA, nomegestrol acetate (NA), chlormadinone acetate (ChlA). Methods: Our study retrospectively included 69 patients with intracranial meningioma and exposed to one of these 3 progestins between December 2006 and March 2019. In each patient, clinico-radiological (MRI) follow-up was performed every 6 months after diagnosis and treatment withdrawal recommendation. Statistical analyses were applied to compare tumor location and respect of prescription rules between the 3 groups. Results: The mean hormonal exposure was 16 years in CA group (n = 46), 16 years in NA group (n = 12) and 9.7 years in ChlA group (n = 11). A higher rate of out of label use was observed in the CA group (p = 0.003). Multiple meningiomas were demonstrated in more than 60% of cases in each group. Anterior skull base location was noted in 60.5% of cases in CA group, 25% of cases in NA group and 36.7% of cases in ChlA group (p = 0.05). Incomplete tumor regression was recorded in 11 cases of CA group and in 2 cases of ChlA group. Conclusion: In CA group, our results suggest a strong relationship between this treatment and development of intracranial meningioma. In presence of voluminous asymptomatic meningioma, treatment can be delayed due to the potential regression after withdrawal. On the contrary in NA and ChlA groups, further studies are needed.
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