Key result
Mean 24-hour plasma CGRP concentrations were significantly lower in patients with uncomplicated essential hypertension compared to healthy volunteers, though the circadian rhythm was maintained.
Why the study?
Does the circadian rhythm of calcitonin gene-related peptide differ in patients with uncomplicated essential hypertension compared to healthy volunteers?
Case-Control (n=19)
Does the circadian rhythm of calcitonin gene-related peptide differ in patients with uncomplicated essential hypertension compared to healthy volunteers?
Patients with uncomplicated essential hypertension exhibit lower overall plasma CGRP levels but maintain normal circadian variability.
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Lower CGRP levels with preserved rhythm in essential hypertension; hypothesis-generating for its role in pathogenesis and as a potential target.
Portaluppi et al. (1992) conducted a case-control in uncomplicated essential hypertension (n=19). Essential hypertension vs. Healthy volunteers was evaluated on 24 h variation in plasma CGRP. Mean 24-hour plasma CGRP concentrations were significantly lower in patients with uncomplicated essential hypertension compared to healthy volunteers, though the circadian rhythm was maintained.
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