Trial reportBritish journal of clinical pharmacology2007
Adrenal axis suppression unrelated to the dynamics of dosing with beclomethasone monopropionate.
Trial report in British journal of clinical pharmacology, 2007. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
2 citing papers in PubMed.
- Effect of AeroChamber Plus™ on the lung and systemic bioavailability of beclometasone dipropionate/formoterol pMDI.British journal of clinical pharmacology · 2011Trial
- The effect of an inhaled corticosteroid on glucose control in type 2 diabetes.Clinical medicine & research · 2009Trial
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
4 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
aimsInhaled corticosteroids (ICS) are the cornerstone of asthma treatment. At high doses they can give rise to systemic side-effects such as hypothalamic-pituitary-adrenal (HPA) axis suppression. This effect may depend on the delivery system, which in turn alters drug deposition and adsorption. We hypothesized that adrenal suppression depends on the rate of steroid absorption rather than the total steroid dose received.
methodsEight healthy adult males were recruited for a randomized double-blind placebo controlled trial. Adrenocortical suppression ability was demonstrated by a 30% suppression of early morning cortisol following 1 mg dexamethasone. Subjects then attended in the evening on two occasions receiving 500 microg of intravenous beclomethasone monopropionate (17-BMP) for either 15 min or 2 h. Overnight urinary cortisol : creatinine (C : C) ratio was measured before and after the infusion and an 08.00 h serum cortisol was measured following the infusion.
resultsMean C : C pre and post 15 min infusion was 5.97 and 3.22 (P = 0.005). Mean C : C pre and post 2 h infusion was 6.31 and 4.15 (P = 0.004). Delta C : C and mean 08.00 h cortisol for 15 min and 2 h infusion was 2.74 and 2.16 and 425 nmol l(-1) and 400 nmol l(-1), respectively (P = NS).
conclusionsThe rate of infusion of 17-BMP seemed to have little effect on the degree of adrenal suppression. Individual C : C ratios were reproducible. Differences in absorption of ICS are unlikely to explain observed differences in HPA axis suppression.
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Registered trials
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