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Abiomed Inc. said it
would delay further clinical trials of its self-contained artificial
heart, but said it is sticking to its target of seeking FDA approval
to sell the revolutionary device before the end of next year.
While the company has
performed six trials of the AbioCor heart to date, and had planned
to complete the first 15 implants by June 30th, Abiomed said it
planned to delay the final nine operations to use the experience
gained to "do even better with the additional patients that
will be enrolled to complete the trial."
The AbioCor heart became
the focus of attention around the world when it was implanted
last summer in the chest of Robert Tools, a 59-year-old suffering
from end-stage congestive heart failure. Tools, who doctors said
was not expected to survive 30 days, lived nearly five months.
Of the five
other recipients, one died on the operating table, two died after
several months with the artificial heart, and two survive.
The current
longest-surviving recipient, Tom Christerson, 71, who received
the AbioCor at Jewish Hospital in Louisville on Sept. 13, may
be allowed to return home in another week, according to his doctors.
The only other
survivor of the original six men to receive the AbioCor hearts,
James Quinn, 51, of Philadelphia, received his artificial heart
at Hahnemann University Hospital in Philadelphia.
All of the
initial patients to receive the AbioCor were dying of heart failure
and were too sick to qualify for human heart transplants.
Other
sources: Abiomed, Boston Globe
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