US EPA

2026033 

Journal Article 

Marine lipid fraction PCSO-524 (TM) (lyprinol (R)/omega XL (R)) of the New Zealand green lipped mussel attenuates hyperpnea-induced bronchoconstriction in asthma 

Mickleborough, TD; Vaughn, CL; Shei, R; Davis, EM; Wilhite, DP 

2013 

1 

Respiratory Medicine
ISSN: 0954-6111
EISSN: 1532-3064 

107 

8 

1152-1163 

English 

23660397 

10.1016/j.rmed.2013.04.010 

WOS:000323094900005 

PURPOSE: Evaluate the effect of the marine lipid fraction of the New Zealand green-lipped mussel (Perna canaliculus) PCSO-524 (Lyprinol/Omega XL), rich in omega-3 fatty acids, on airway inflammation and the bronchoconstrictor response to eucapnic voluntary hyperpnea (EVH) in asthmatics.

METHODS: Twenty asthmatic subjects, with documented HIB, participated in a placebo controlled double-blind randomized crossover trial. Subjects entered the study on their usual diet and were then placed on 3 weeks of PCSO-524 or placebo supplementation, followed by a 2 week washout period, before crossing over to the alternative diet. Pre- and post-eucapnic voluntary hyperpnea (EVH) pulmonary function, fraction of exhaled nitric oxide (FENO), asthma symptom scores, medication use, exhaled breath condensate (EBC) pH, cysteinyl leukotrienes (cyst-LT), 8-isoprostane and urinary 9α, 11β-prostaglandin (PG)F2 and Clara (CC16) protein concentrations were assessed at the beginning of the trial and at the end of each treatment period.

RESULTS: The PCSO-524 diet significantly reduced (p < 0.05) the maximum fall in post-EVH FEV1 (-8.4 ± 3.2%) compared to usual (-19.3 ± 5.4%) and placebo diet (-22.5 ± 13.7%). Pre- and post- EVH EBC cyst-LT and 8-isoprostane, and urinary 9α, 11β-PGF2 and CC16 concentrations were significantly reduced (p < 0.05) on the PCSO-524 diet compared to the usual and placebo diet. EBC pH and asthma symptom scores were significantly improved (p < 0.05) and rescue medication use significantly reduced (p < 0.05) on the PCSO-524 diet compared to the usual and placebo diet.

CONCLUSION: PCSO-524 (Lyprinol)/Omega XL) may have beneficial effects in HIB and asthma by serving as a pro-resolving agonist and/or inflammatory antagonist. 

Omega-3 fatty acids; Inflammation; Asthma; Diet