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Lithium carbonate therapy for cluster headache. Changes in number of platelets, and serotonin and histamine levels
Insights
Lithium carbonate treatment for cluster headaches showed that headache frequency paralleled serotonin and histamine levels. As headaches decreased, these levels fell, indicating a link between neurotransmitters and headache activity.
Area of Science:
- Neurology
- Biochemistry
Background:
- Cluster headache is a debilitating neurological condition.
- The role of neurotransmitters like serotonin and histamine in headache pathophysiology is under investigation.
Purpose of the Study:
- To investigate the relationship between cluster headache frequency and serum levels of lithium, serotonin, and histamine.
- To assess the effect of lithium carbonate on these biochemical markers in cluster headache patients.
Main Methods:
- Studied three groups: cluster headache patients treated with lithium (Group A), cluster headache patients on other drugs (Group B), and muscle contraction headache patients on lithium (Group C).
- Measured serum lithium, platelet count, platelet serotonin, and platelet-rich plasma histamine before and during therapy.
- Monitored headache frequency throughout the study period.
Main Results:
- In Groups A and B, headache frequency correlated with serotonin and histamine levels; decreased frequency led to lower levels.
- Stable headache periods showed minimal changes in serotonin and histamine.
- Headache recurrences were associated with a return of serotonin and histamine to baseline levels.
- Lithium treatment influenced the course of cluster headaches and altered serotonin and histamine levels.
Conclusions:
- The course of cluster headache is closely related to fluctuations in serotonin and histamine levels.
- Lithium appears to modify cluster headache activity by influencing these biochemical pathways.
Abstract:
Three groups of patients were studied: Group A consisted of 12 patients with cluster headache that was treated with lithium carbonate. Group B consisted of six patients with cluster headache that was managed with other drugs. Group C consisted of five patients with muscle contraction headache who received lithium. Serum lithium levels, platelet count, platelet serotonin levels, and platelet-rich plasma histamine levels were determined before and during therapy. The frequency of the headache and levels of serotonin and histamine tended to follow a parallel course in groups A and B: as the headache frequency dropped, serotonin and histamine levels fell. The stable period was characterized by little change in serotonin and histamine levels. Recurrences of headaches were accompanied by a return of serotonin and histamine to pretreatment levels. The course of cluster headache is related to changes in serotonin and histamine levels. Lithium, by modifying the headache course, changes serotonin and histamine levels.