Doctors will randomly treathalf the patients with a harmless virus carrying a corrective gene. The restwill receive an inactive placebo treatment.
Previous research suggests that a protein produced by the gene can restore function to failing hearts, and reduce the risk of death and heart transplants.
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Rashan Charles, 20, died after being apprehended by Metropolitan Police officers after running into a shop in Dalston, east London.
The House of Commons Commission will consider how long the bongs should be halted following concerns raised by a number of MPs.
The chimes are being stopped to allow extensive renovation work to the Elizabeth Tower, the Great Clock and its bell.