It is concluded that omega-3 is more effective than calcium, what can be justified by pain mechanisms and symptoms pathology in dysmenorrheal.

Potential moderate or major drug-drug interactions occur frequently in patients with hematological malignancies or related diseases. Performing larger standard studies are required to assess the real clinical and economical effects of drug-drug interactions on patients with hematological and non-hematological malignancies.

Our findings indicate that oral administration of NAC may be associated with improving health status in RA patients and considered as an adjuvant therapy in these patients. Further studies with larger sample size, longer study duration and higher doses of NAC are needed to confirm the effects of oral NAC in RA patients.

<P>Background: Rheumatoid Arthritis (RA) is a common inflammatory disease of the joints. Due to the importance of inflammation and oxidative stress in the pathogenesis of RA, drugs that have anti-oxidant and anti-inflammatory properties, such as N-acetyl Cysteine (NAC), can be used as adjunctive therapy in patients with RA. </P><P> Aims: The aim of this study was to evaluate the effects of oral NAC on inflammatory cytokines and oxidative stress in patients with RA. </P><P> Methods: Adjunct to standard treatment, the NAC group (23 patients) received 600 mg of NAC twice daily and the placebo group (19 patients) received identical placebo twice daily for 12 weeks. Serum levels of Total Oxidant Status (TOS), Total Antioxidant Capacity (TAC), nitric oxide (NO), Total Thiol Groups (TTG), Malondialdehyde (MDA), tumor necrosis factor-alpha (TNF-&#945;), interleukin- 6 (IL-6), C-reactive Protein (CRP), and Erythrocyte Sedimentation Rate (ESR) were measured at baseline and at the end of the study. </P><P> Results: Results showed that in the NAC group, the serum levels of MDA, NO, IL-6, TNF-&#945;, ESR and CRP were significantly lower than the baseline. Also, the serum level of TAC and TTG, as antioxidant parameters, increased significantly. However, only NO, MDA and TTG showed a significant difference in the NAC group as compared to the placebo group at the end of study. </P><P> Conclusion: According to the results of this study, oral NAC can significantly reduce the several oxidative stress factors and inflammatory cytokines. These results need to be confirmed in larger studies while considering clinical outcomes of RA patients.</P>

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