Related Experiment Video
Updated: Jun 17, 2026
08:33
A Randomized, Sham-Controlled Trial of Cranial Electrical Stimulation for Fibromyalgia Pain and Physical Function, Using Brain Imaging Biomarkers
Published on: January 5, 2024
Autonomic dysfunction and neuropeptide Y in fibromyalgia
M Di Franco1, C Iannuccelli, C Alessandri
1Unit of Rheumatology, Sapienza University of Rome, Rome, Italy. manuela.difranco@uniroma1.it
Clinical and Experimental Rheumatology
|January 16, 2010
Summary
Fibromyalgia patients exhibit autonomic nervous system dysfunction and elevated neuropeptide Y (NPY) levels, suggesting their role in the condition. Further research is needed to understand NPY and ANS in pain and immunity.
Area of Science:
- Neuroscience
- Immunology
- Rheumatology
Background:
- Fibromyalgia (FM) presents with widespread pain and multisystem symptoms.
- Autonomic nervous system (ANS) dysfunction may explain several FM features.
Purpose of the Study:
- To investigate ANS dysfunction in FM patients.
- To analyze serum neuropeptide Y (NPY) levels and heart rate variability (HRV).
Main Methods:
- Compared 51 FM patients, 25 systemic sclerosis (SSc) patients, and 15 healthy controls (NHS).
- Utilized time-domain HRV analysis and measured serum NPY levels.
Main Results:
- FM patients showed significantly higher NPY levels than SSc and NHS groups.
- A subgroup of FM patients (49%) had reduced HRV indices.
- NPY levels correlated with specific HRV indices (SDANN, NN50) in the FM subgroup.
Conclusions:
- Autonomic dysfunction and NPY are implicated in fibromyalgia pathophysiology.
- Further studies are required to elucidate the roles of NPY and ANS in pain and immune modulation.
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