Effectiveness of an Oral Supplementation of Phycocyanin and Palmitoylethanolamide for a Short-Term Prophylaxis of Menstrual Migraine: A Retrospective Observational Study
Abstract
Background: Menstrual migraine (MM), including pure menstrual migraine (PMM) and menstrually related migraine (MRM), is characterized by attacks occurring in close temporal association with menstruation and is often more severe, longer lasting, and less responsive to treatment than non-menstrual migraine. Prostaglandin-mediated inflammation and calcitonin gene-related peptide (CGRP) release play a key role in MM pathophysiology. Phycocyanin (PC) and palmitoylethanolamide (PEA) are nutraceutical compounds with anti-inflammatory, analgesic, and neuroprotective properties that may be beneficial as short-term perimenstrual prophylaxis. Objectives: To evaluate the effectiveness of an oral supplementation combining phycocyanin and palmitoylethanolamide as a short-term prophylaxis for menstrual migraine in a real-world clinical setting, a retrospective observational study without a control group was conducted in five Italian centers between May 2023 and June 2025. Methods: Clinical records of 800 women were reviewed, and 220 patients receiving perimenstrual supplementation with phycocyanin and palmitoylethanolamide were screened. Sixty-one women diagnosed with migraine without aura, according to the International Classification of Headache Disorders, met all inclusion criteria and were analyzed. Phycocyanin and palmitoylethanolamide were taken at a dosage of two capsules daily from five days before to five days after the onset of menstruation for three consecutive months. Outcomes…
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