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

Register for free to listen to this article
Listen with Speechify
0:00
14:00
Share

© 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 ...

Interested in reading more?

Become a Member of

The Scientist Logo
Receive full access to digital editions of The Scientist, as well as TS Digest, feature stories, more than 35 years of archives, and much more!
Already a member? Login Here

Related Topics

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.

    View Full Profile

Published In

Share
Illustration of a developing fetus surrounded by a clear fluid with a subtle yellow tinge, representing amniotic fluid.
January 2026

What Is the Amniotic Fluid Composed of?

The liquid world of fetal development provides a rich source of nutrition and protection tailored to meet the needs of the growing fetus.

View this Issue
Human-Relevant In Vitro Models Enable Predictive Drug Discovery

Advancing Drug Discovery with Complex Human In Vitro Models

Stemcell Technologies
Redefining Immunology Through Advanced Technologies

Redefining Immunology Through Advanced Technologies

Ensuring Regulatory Compliance in AAV Manufacturing with Analytical Ultracentrifugation

Ensuring Regulatory Compliance in AAV Manufacturing with Analytical Ultracentrifugation

Beckman Coulter Logo
Conceptual multicolored vector image of cancer research, depicting various biomedical approaches to cancer therapy

Maximizing Cancer Research Model Systems

bioxcell

Products

Sino Biological Logo

Sino Biological Pioneers Life Sciences Innovation with High-Quality Bioreagents on Inside Business Today with Bill and Guiliana Rancic

Sino Biological Logo

Sino Biological Expands Research Reagent Portfolio to Support Global Nipah Virus Vaccine and Diagnostic Development

Beckman Coulter

Beckman Coulter Life Sciences Partners with Automata to Accelerate AI-Ready Laboratory Automation

Refeyn logo

Refeyn named in the Sunday Times 100 Tech list of the UK’s fastest-growing technology companies