Genetic markers of cluster headache and the links with the lithium salts therapy.

The existing relationship between genetic markers of the cluster headache and the efficacy of lithium salts therapy was described in the present study. Thirty-five patients suffering from cluster headache, who were already typed for the HLA antigens, were studied. Typing was carried out with the microlymphocytotoxicity technique used by US National Institutes of Health.

[Verification of the validity of the Giacovazzo skin test with histamine at neutral pH].

In this study the different activities of histamine chloride and histamine phosphate have been tested in the cutaneous test as Giacovazzo in patients with Cluster Headache. The Authors executed the test in 20 C.H.