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Amyotrophic Lateral Sclerosis and Oxidative Stress: A Double-Blind Therapeutic Trial After Curcumin Supplementation

[ Vol. 17 , Issue. 10 ]

Author(s):

Lucia Chico*, Elena Caldarazzo Ienco, Costanza Bisordi, Annalisa Lo Gerfo, Lucia Petrozzi, Antonio Petrucci, Michelangelo Mancuso and Gabriele Siciliano   Pages 767 - 779 ( 13 )

Abstract:


Objective: To investigate the efficacy of curcumin oral supplementation (600 mg/day, Brainoil), a natural antioxidant compound, in amyotrophic lateral sclerosis (ALS).

Methods: Patients were randomized into two groups: Group A received placebo for 3 months, then Brainoil for the following 3 months, Group B took Brainoil for 6 months. The evaluations were conducted at basal (T0), after 3 months of double blinded Brainoil or placebo treatment (T1), and after the 3 month open-label phase (T2). Clinical evaluations and oxidative stress biomarkers, including oxidative protein products (AOPPs), ferric reducing ability (FRAP), total thiols (T-SH) and lactate, were evaluated, compared to a control group, during an incremental forearm exercise test.

Results: Over the entire study Group B showed a stable score of the ALS-FRS-r which decreased in Group A (p<0.01), in parallel with a reduction of AOPPs (p<0.01) which was not detected into Group A. Also FRAP exercise values remained stable in Group B, while in Group A they were reduced without treatment at T1 (0.05T0 exercise lactate was lower compared to Group A (p<0.01). Compared to controls, the whole ALS population showed a greater oxidative stress (p<0.001), those treated with curcumin (Group B) exhibiting decreased exercise AOPPs at T2 with values approaching those of controls.

Conclusion: Although further studies are needed to confirm these data, treatment with curcumin shows encouraging results indicating a slight slowdown in disease progression, improving aerobic metabolism and oxidative damage, this also contributing to deepen knowledge into the pathogenic mechanisms of ALS.

Keywords:

Amyotrophic lateral sclerosis (ALS), curcumin, oxidative stress, antioxidants, incremental exercise test, lactate.

Affiliation:

Department of Clinical and Experimental Medicine, Neurological Clinic, University of Pisa, Pisa, Department of Clinical and Experimental Medicine, Neurological Clinic, University of Pisa, Pisa, Department of Clinical and Experimental Medicine, Neurological Clinic, University of Pisa, Pisa, Department of Clinical and Experimental Medicine, Neurological Clinic, University of Pisa, Pisa, Department of Clinical and Experimental Medicine, Neurological Clinic, University of Pisa, Pisa, Center of Neuromuscular and Neurological Rare Diseases, S. Camillo Forlanini Hospital, Rome, Department of Clinical and Experimental Medicine, Neurological Clinic, University of Pisa, Pisa, Department of Clinical and Experimental Medicine, Neurological Clinic, University of Pisa, Pisa



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