Elevated cerebrospinal fluid levels of substance P in patients with the fibromyalgia syndrome
- PMID: 7526868
- DOI: 10.1002/art.1780371106
Elevated cerebrospinal fluid levels of substance P in patients with the fibromyalgia syndrome
Abstract
Objective: To measure, and seek clinical correlates with, levels of substance P (SP) in the cerebrospinal fluid (CSF) of fibromyalgia syndrome (FMS) patients.
Methods: CSF from 32 FMS patients and 30 normal control subjects was tested for SP by radioimmunoassay. Clinical measures included tender point examination and standardized questionnaires.
Results: CSF SP levels were 3-fold higher in FMS patients than in normal controls (P < 0.001), but they correlated only weakly with tenderness found on examination.
Conclusion: SP is significantly elevated in FMS CSF, but other abnormalities must exist in FMS to more fully explain the symptoms.
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