Stanford Doctors Regenerate Knee Cartilage Using Patients’ Stem Cells

A groundbreaking clinical trial is now underway at Stanford Medical Center targeting people with injured knees, using the patients’ own stem cells to regenerate cartilage.

KPIX 5 spoke to two of the patients participating in the trial. Al Perez is a private investigator who operates out of Martinez. He depends on his knees.

“You want to be able to do the things you like to do,” he explained.

Erik Eastman is a math teacher at San Jose High School. He too depends on his knees. He played football, soccer, and hockey.

“Sports is one of the biggest things in my whole life,” said Eastman.

As the two men go about their day, it’s hard to believe they had bad knees.

“I started having problems with my left knee, which I came to find out that I had moderate arthritis.” said Perez.

“I had surgery five years ago and I’ve had surgery 11 years ago,” recounted Eastman.

The culprit: cartilage. The knee’s shock absorber was damaged in both men.

Whether you’re a pro athlete or a weekend warrior, a nick, tear or breakdown in cartilage can be debilitating and painful – and knee problems are common.

That’s why both Perez and Eastman underwent an experimental procedure at Stanford Medical Center.

“The procedure takes about an hour, it’s outpatient surgery,” explained Stanford orthopedic surgeon Dr. Jason Dragoo, who runs the clinical trial.

Dragoo and his team are testing  the what could be the future of knee repair, using adult stem cells harvested from the patient’s own body.

“This is tapping into the regenerative potential that everyone has.” said Dragoo.

Under the right conditions, adult stem cells can transform into cartilage. The hope is that new cartilage will grow and fix the problem.

“I wanted to avoid another knee replacement,” said Perez.

The cells are found in a fat pad, located in the knee.

By Kiet Do | KPIX 5

Image Credit: Kiet Do/ KPIX 5


About Peter Coffaro 629 Articles
A growth-driven and strategic executive, Peter Coffaro commands more than 20 years of progressive management success within the medical device industry. As a District Sales Manager for Stryker Orthopaedics, Peter was responsible for managing and directing a regional sales force to achieve sales and profit goals within the Rocky Mountain region. Previously, he was the Director of Sales & Marketing for Amp Orthopedics. In this role, Peter was responsible for planning, developing, and leading all sales and marketing initiatives. Peter is a former orthopedic distributor in the Pacific Northwest. He has also worked with DePuy Orthopaedics as well as Zimmer, and held positions in sales, sales training, and sales management. Peter has an extensive background in organizational development, business development, sales management, negotiating and P&L management. Peter holds a B.S. degree in Biology from Northern Illinois University.

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