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Calcium upregulation by percutaneous administration of gene therapy in patients with cardiac disease (CUPID 2): a randomised, multinational, double-blind, placebo-controlled, phase 2b trial

Greenberg, Barry, Prof ; Butler, Javed, Prof ; Felker, G Michael, Prof ; Ponikowski, Piotr, Prof ; Voors, Adriaan A, Prof ; Desai, Akshay S, MD ; Barnard, Denise, Prof ; Bouchard, Alain, MD ; Jaski, Brian, MD ; Lyon, Alexander R, MD ; Pogoda, Janice M, PhD ; Rudy, Jeffrey J, BS ; Zsebo, Krisztina M, PhD

The Lancet (British edition), 2016-03, Vol.387 (10024), p.1178-1186 [Peer Reviewed Journal]

England: Elsevier Ltd

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Title:
Calcium upregulation by percutaneous administration of gene therapy in patients with cardiac disease (CUPID 2): a randomised, multinational, double-blind, placebo-controlled, phase 2b trial
Author: Greenberg, Barry, Prof ; Butler, Javed, Prof ; Felker, G Michael, Prof ; Ponikowski, Piotr, Prof ; Voors, Adriaan A, Prof ; Desai, Akshay S, MD ; Barnard, Denise, Prof ; Bouchard, Alain, MD ; Jaski, Brian, MD ; Lyon, Alexander R, MD ; Pogoda, Janice M, PhD ; Rudy, Jeffrey J, BS ; Zsebo, Krisztina M, PhD
Subjects: Adeno-associated virus 1 ; Adenoviruses ; Aged ; Calcium ; Calcium - metabolism ; Cardiomyocytes ; Cardiovascular disease ; Clinical trials ; Dependovirus - genetics ; Double-Blind Method ; Endoplasmic reticulum ; Female ; Gene therapy ; Genetic Therapy - methods ; Genetic Vectors ; Heart failure ; Heart Failure - metabolism ; Heart Failure - physiopathology ; Heart Failure - therapy ; Humans ; Internal Medicine ; Kaplan-Meier Estimate ; Male ; Middle Aged ; Patients ; Recurrence ; Sarcoplasmic Reticulum Calcium-Transporting ATPases - genetics ; Treatment Outcome ; Up-Regulation ; Vectors (Biology)
Is Part Of: The Lancet (British edition), 2016-03, Vol.387 (10024), p.1178-1186
Notes: ObjectType-Article-2
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Description: Summary Background Sarcoplasmic/endoplasmic reticulum Ca2+ -ATPase (SERCA2a) activity is deficient in the failing heart. Correction of this abnormality by gene transfer might improve cardiac function. We aimed to investigate the clinical benefits and safety of gene therapy through infusion of adeno-associated virus 1 (AAV1)/SERCA2a in patients with heart failure and reduced ejection fraction. Methods We did this randomised, multinational, double-blind, placebo-controlled, phase 2b trial at 67 clinical centres and hospitals in the USA, Europe, and Israel. High-risk ambulatory patients with New York Heart Association class II–IV symptoms of heart failure and a left ventricular ejection fraction of 0·35 or less due to an ischaemic or non-ischaemic cause were randomly assigned (1:1), via an interactive voice and web-response system, to receive a single intracoronary infusion of 1 × 1013 DNase-resistant particles of AAV1/SERCA2a or placebo. Randomisation was stratified by country and by 6 min walk test distance. All patients, physicians, and outcome assessors were masked to treatment assignment. The primary efficacy endpoint was time to recurrent events, defined as hospital admission because of heart failure or ambulatory treatment for worsening heart failure. Primary efficacy endpoint analyses and safety analyses were done by modified intention to treat. This trial is registered with ClinicalTrials.gov , number NCT01643330. Findings Between July 9, 2012, and Feb 5, 2014, we randomly assigned 250 patients to receive either AAV1/SERCA2a (n=123) or placebo (n=127); 243 (97%) patients comprised the modified intention-to-treat population. Patients were followed up for at least 12 months; median follow-up was 17·5 months (range 1·8–29·4 months). AAV1/SERCA2a did not improve time to recurrent events compared with placebo (104 vs 128 events; hazard ratio 0·93, 95% CI 0·53–1·65; p=0·81). No safety signals were noted. 20 (16%) patients died in the placebo group and 25 (21%) patients died in the AAV1/SERCA2a group; 18 and 22 deaths, respectively, were adjudicated as being due to cardiovascular causes. Interpretation CUPID 2 is the largest gene transfer study done in patients with heart failure so far. Despite promising results from previous studies, AAV1/SERCA2a at the dose tested did not improve the clinical course of patients with heart failure and reduced ejection fraction. Although we did not find evidence of improved outcomes at the dose of AAV1/SERCA2a studied, our findings should stimulate further research into the use of gene therapy to treat patients with heart failure and help inform the design of future gene therapy trials. Funding Celladon Corporation.
Publisher: England: Elsevier Ltd
Language: English

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Calcium upregulation by percutaneous administration of gene therapy in patients with cardiac disease (CUPID 2): a randomised, multinational, double-blind, placebo-controlled, phase 2b trial

England: Elsevier Ltd

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