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Biomedical subjects

J G Capone

Publications and source records attributed to J G Capone.

4 recordsLinked to original sources

Novel therapeutic targets.

The need for novel therapeutic strategies for the treatment of migraine and other primary headaches is well recognised. Although the underlying mechanism(s) and the molecular targets that should be tackled by novel medicines are still uncertain, significant improvements have been made in the last decade in the treatment of migraine. Strong evidence in experimental animal models and clinical investigation focus on drugs that limit the phenomena promoted by activation of neurons of the trigeminal ganglion at the level of both their central and peripheral perivascular endings. Identification of compounds that abort the migraine attack by precisely targeting different mechanisms should also help to recompose the puzzle of migraine pathogenesis.

Animals↗

Explosive-aggressive behavior related to bilateral subthalamic stimulation.

We describe a patient with Parkinson's Disease who underwent bilateral subthalamic nucleus deep brain stimulation and later presented with episodes of aggressive behavior disorder with disturbed impulse control and an inability to control anger likely related to the deep brain stimulation "switch-on stimulation". We hypothesize that increasing voltage intensity could influence neighboring passing fibers coming from basal limbic system that are involved in the regulation of affect and emotional behavior. We suggest investigating these neuropsychological disturbances considering their influence on quality of life after surgery.

Aggression↗

The role of gustatory flushing in Frey's syndrome and its treatment with botulinum toxin type A.

After parotid surgery, gustatory sweating and flushing occur more frequently, the former reportedly in 15-100% of cases, while no reliable data are available for the latter. Although botulinum toxin (BoNT) is effective in controlling sweating, little is known about its effect on flushing. In 17 patients suffering from Frey's syndrome after parotid surgery, we studied the gustatory flushing phenomenon as compared to gustatory sweating, analyzing their frequency, area, type of stimulus and response to BoNT administration. Cutaneous blood flow (CBF) was monitored by laser Doppler flowmetry (LDF) on affected and unaffected areas of the cheek in basal conditions and after meals, before and then 1 month after starting the BoNT injections. The Minor test was used to identify the sweating area. Flushing was observed in 7 of 17 patients after masticatory activity, spicy meals or citrus fruits. No clinical data correlated with any presence of flushing. Flushing regressed completely after BoNT administration and CBF reached similar values in the affected and unaffected sites. No adverse effects were observed. BoNT administration proved an effective and safe treatment for gustatory sweating and flushing in patients with Frey's syndrome.

Adult↗