Hearts on Trial

As researchers conduct the most rigorous human trials of cardiac cell therapies yet attempted, a clear picture of whether these treatments actually work is imminent.

Written byKerry Grens
| 14 min read

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© DAN SAELINGER/CORBIS

For the better part of an hour, the catheterization lab at Cedars-Sinai Medical Center in Beverly Hills bustles like a restaurant kitchen on a Friday night. Nurses pivot carefully around a table laden with sterile instruments while a trio of physicians fusses over a catheter inserted into the groin of cardiac patient Ken Anderson. On a large screen next to his bed, the video feed from a tiny camera at the tip of the catheter shows the tube passing through Anderson’s vasculature into a coronary artery. Amidst the hubbub, only the patient is still, occasionally answering questions from a nurse about his level of comfort.

All at once, everything stops. The nurses stand still; the doctors stop chatting; all eyes turn to the image of ...

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Meet the Author

  • kerry grens

    Kerry served as The Scientist’s news director until 2021. Before joining The Scientist in 2013, she was a stringer for Reuters Health, the senior health and science reporter at WHYY in Philadelphia, and the health and science reporter at New Hampshire Public Radio. Kerry got her start in journalism as a AAAS Mass Media fellow at KUNC in Colorado. She has a master’s in biological sciences from Stanford University and a biology degree from Loyola University Chicago.

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