Although mesalamine 4.8 g/day was not statistically different from placebo for induction of remission in patients with mildly to moderately active UC, based on an intent-to-treat analysis, the totality of the data supports a benefit of treatment. Central review of endoscopic images is critical to the conduct of induction studies in UC; ClinicalTrials.gov Number, NCT01059344.

tain remission in Crohn disease is an unmet medical need. Although formulations of 5-aminosalicylic acid agents remain widely used for this purpose, strong evidence exists that they are not effec-tive. 1 Immunosuppressive agents such as purine antimetabolites, 2,3 methotrexate, 4 and tumor necrosis factor ␣ antagonists 5-8 are moderately effective for maintaining remission; however, their use is associated with an increased risk of infection. 9-11 Therefore, development of a safe, inexpensive, and effective orally administered agent is a research priority.Omega-3 free fatty acids are antiinflammatorysubstancesfoundinmarine fishthathaveseveralhealthbenefits.These compounds have been used to treat inflammatorydisorderssuchasrheumatoid See also Patient Page.

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SummaryWe conducted a randomized clinical intervention trial over 24 weeks on a tea estate in north-east Bangladesh to investigate the effect of iron supplementation and anthelmintic treatment on the labour productivity of adult female tea pluckers. A total of 553 full-time tea pluckers, not pregnant and not breastfeeding, were randomly assigned to one of the four intervention groups: group 1 received iron supplementation on a weekly basis, group 2 received anthelmintic treatment at the beginning and halfway through the trial (week 12), group 3 received both iron supplementation as group 1 and anthelmintic treatment as group 2, and group 4 was a control group and received placebos. No signi®cant difference in labour productivity was found between the four intervention groups over the trial period. However, there was a negative association for all three worms (Ascaris lumbricoides, Trichuris trichiura and hookworms) between the intensity of helminth infections (eggs/g faeces) and all measures of labour productivity. Lower haemoglobin values and anaemia (< 120 g/l Hb) were both associated with lower labour productivity and more days sick and absent. Taller women with greater arm circumference were able to pluck more green leaves, earn higher wages and were absent less often.keyword Ascaris, Trichuris and hookworm infections, deworming, iron supplementation, tea pluckers, labour productivity correspondence

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