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Effects of disodium cromoglycate and beclomethasone dipropionate on the asthmatic response to allergen challenge II. Late response (LAR)


, : Effects of disodium cromoglycate and beclomethasone dipropionate on the asthmatic response to allergen challenge II. Late response (LAR). Annals of Allergy 60(3): 217-225

The protective effects of disodium cromoglycate (DSCG; Lomudal, Intal) and beclomethasone dipropionate (BDA); Aldecin, Becotide, Beclovent) on the late asthmatic response to allergen challenge (LAR) were investigated in 61 patients with allergic bronchial asthma. The 61 patients developed a total of 83 late asthmatic responses, 35 isolated late responses (ILAR) and 48 dual late responses (DLAR), which is a combination of an immediate response (IDLAR) and a late response (LDLAR). Disodium cromoglycate demonstrated significant protective effects on the LAR (P < 0.01), however, the LDLAR as part of the DLAR was decreased by DSCG to a slightly higher degree than the ILAR. The BDA also showed significant protective effects on the LAR (P < 0.01), but the ILAR was protected by BDA to a slightly higher degree than the LDLAR as part of the DLAR. The immediate asthmatic response as part of the DLAR was prevented by DSCG significantly (P < 0.01) while the BDA was ineffective (P > 0.05). It can be concluded that both DSCG and BDA demonstrated significant effects on the LAR. It is suggested that DSCG should be used as a drug of the first choice to control bronchial asthma with an allergy component where the LAR plays a role. The BDA should be added temporarily at the beginning of the treatment of patients in whom the isolated late asthmatic response plays the predominant role, or of patients in whom the DSCG does not provide full control of the LAR during a certain period, e.g., during the peak of the pollen season. In those patients with LAR, in whom DSCG is ineffective, the bronchial asthma should be controlled solely by BDA.

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PMID: 3126682


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