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Study design and rationale to assess Doxycycline Efficacy in preventing coronary Artery Lesions in children with Kawasaki disease (DEAL trial) - A phase II clinical trial.


ABSTRACT: BACKGROUND:Kawasaki disease (KD) is the most common acquired heart disease in children of the developed world, and triggers progressive coronary artery lesions (CAL) in 30% of cases if left untreated. Despite standard anti-inflammatory treatment for KD, CAL (dilation or aneurysm) still occurs in 5-10% of children, increasing their risk for fatal coronary artery complications. CAL is mediated by enhanced matrix metalloproteinase activity and elastin breakdown induced by the inflammatory process in the coronary artery wall. Doxycycline is an effective inhibitor of matrix metalloproteinases, and has been shown to reduce elastin breakdown and CAL in a mouse model of KD, but has not been evaluated in patients. OBJECTIVE:We aim to evaluate the efficacy of doxycycline in the prevention of CAL in children during the acute phase of KD. DESIGN:This is a phase II prospective, randomized, double-blinded, clinical trial in two steps. In Step 1, any child older than 1month with the diagnosis of KD will be included. Children with KD will be included in Step 2 if they develop coronary artery dilation (z-score?2.5) within 20days from the onset of fever. Study subjects in Step 2 will be randomized to receive a 3-week course of doxycycline or placebo. EVALUATION:The efficacy of a 3-week doxycycline course during the acute phase of KD will be evaluated by measuring the decline in coronary artery z-scores from baseline with doxycycline treatment compared to placebo. CLINICAL TRIAL REGISTRATION:This study was registered on clinicaltrials.gov (NCT01917721).

SUBMITTER: Bratincsak A 

PROVIDER: S-EPMC5803379 | biostudies-literature | 2018 Feb

REPOSITORIES: biostudies-literature

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Study design and rationale to assess Doxycycline Efficacy in preventing coronary Artery Lesions in children with Kawasaki disease (DEAL trial) - A phase II clinical trial.

Bratincsak Andras A   Limm-Chan Blair N BN   Nerurkar Vivek R VR   Ching Lauren L LL   Reddy Venu D VD   Lim Eunjung E   Shohet Ralph V RV   Melish Marian E ME  

Contemporary clinical trials 20171205


<h4>Background</h4>Kawasaki disease (KD) is the most common acquired heart disease in children of the developed world, and triggers progressive coronary artery lesions (CAL) in 30% of cases if left untreated. Despite standard anti-inflammatory treatment for KD, CAL (dilation or aneurysm) still occurs in 5-10% of children, increasing their risk for fatal coronary artery complications. CAL is mediated by enhanced matrix metalloproteinase activity and elastin breakdown induced by the inflammatory p  ...[more]

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