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Keywords:

  • disodium cromoglycate;
  • child;
  • cow's milk hypersensitivity;
  • intestinal absorption

Oral disodiumcromoglycate (DSCG) has been used for many years in the prevention of food allergic reactions. The reported effectiveness varies widely and little is known about the mode of action. The aim of this study was to evaluate the effect of DSCG pretreatment (2 x 100 mg) on intestinal permeability (IP), as measured with a sugar absorption test (SAT), in relation to the clinical response during food challenge in 30 children suspected of cow's milk allergy. In the SAT the urinary Lactu-lose/Mannitol (L/M) ratio was measured after oral administration of these compounds. DSCG pretreatment did not alter the number of clinically positive challenges. Children with clinically positive challenges showed a significant increase in the L/M ratio with placebo pretreatment as compared to children with clinically negative challenges (p = 0.0008). This difference was reduced to nonsignificant levels after DSCG pretreatment (p = 0.07). We conclude that DSCG in this dosage probably reduces the local intestinal response but does not prevent the extra-intestinal reactions.