Corporate Banner
Satellite Banner
Stem Cells, Cellular Therapy & Biobanking
>
Scientific Community
 
Become a Member | Sign in
Home>News>This Article
  News
Return

Stem Cell Therapy Following Meniscus Knee Surgery May Reduce Pain, Restore Meniscus

Published: Tuesday, January 21, 2014
Last Updated: Tuesday, January 21, 2014
Bookmark and Share
First study of its kind found no “clinically important” safety issues with treatment.

A single stem cell injection following meniscus knee surgery may provide pain relief and aid in meniscus regrowth, according to a novel study appearing in the January issue of the Journal of Bone and Joint Surgery(JBJS).

More than one million knee arthroscopy procedures are performed each year in the U.S. primarily for the treatment of tears to the meniscus - the wedge-shaped pieces of cartilage that act as "shock absorbers" between the thighbone and shinbone in the knee joint.

In the first-of-its-kind study, “Adult Human Mesenchymal Stem Cells (MSC) Delivered via Intra-Articular Injection to the Knee, Following Partial Medial Meniscectomy,” most patients who received a single injection of adult stem cells following the surgical removal of all or part of a torn meniscus, reported a significant reduction in pain.

Some patients-24 percent of one MSC group and 6 percent of another-experienced at least a 15 percent increase in meniscal volume at one year. There was no additional increase in meniscal volume at year two.

“The results demonstrated that high doses of mesenchymal stem cells can be safely delivered in a concentrated manner to a knee joint without abnormal tissue formation,” said lead study author C. Thomas Vangsness, Jr., MD. “No one has ever done that before.” In addition, “the patients with arthritis got strong improvement in pain” and some experienced meniscal regrowth.

Specific Study Details
The study involved 55 patients, ages 18 to 60, who underwent a partial medial meniscectomy (the surgical removal of all or part of a torn meniscus) at seven medical institutions. Patients were randomly placed in one of three treatment groups: Group A patients (18) received a “low-dose” injection of 50 million stem cells within seven to 10 days after meniscus surgery; Group B patients (18), a higher dose of 150 million stem cells; and the “control group (19),” sodium hyaluronate only.

Patients were assessed to evaluate safety, meniscus regeneration through MRI and X-ray images, overall condition of the knee joint and clinical outcomes through two years. While most of the patients had some arthritis, patients with severe (level three or four) arthritis, in the same compartment as the meniscectomy, were excluded from the study.

Key Study Findings
• There was no abnormal (ectopic) tissue formation or “clinically important” safety issues identified.
• There was “significantly increased meniscal volume,” determined by an MRI in 24 percent of the patients in the low-dose injection group (A) and six percent of the high-dose injection group (B) at one year. There was no statistical increase in meniscal volume at two years.
• No patients in the control group (non-MSC group) met the 15 percent threshold for increased meniscal volume.
• Patients with osteoarthritis experienced a reduction in pain in the stem cell treatment groups; there was no reduction in pain in the control (non-MSC group).

“The results of this study suggest that mesenchymal stem cells have the potential to improve the overall condition of the knee joint,” said Dr. Vangsness. “I am very excited and encouraged” by the results. With the success of a single injection, “it begs the question: What if we give a series of injections?”


Further Information

Join For Free

Access to this exclusive content is for Technology Networks Premium members only.

Join Technology Networks Premium for free access to:

  • Exclusive articles
  • Presentations from international conferences
  • Over 3,500+ scientific posters on ePosters
  • More than 5,000+ scientific videos on LabTube
  • 35 community eNewsletters


Sign In



Forgotten your details? Click Here
If you are not a member you can join here

*Please note: By logging into TechnologyNetworks.com you agree to accept the use of cookies. To find out more about the cookies we use and how to delete them, see our privacy policy.


Scientific News
Stem Cell ‘Heart Patch’ Almost Perfected
Scientists aiming to perfect and test 3D "heart patches" in animal model, last hurdle before human patients.
Stem Cells Growing 3D Lung-in-a-Dish
Researchers have created 3D lung-like tissue from lung-derived stem cells. The tissue can be used to study lung diseases.
MRI Guidance Aids Stem Cell Delivery
Scientists have delivered stem cells to the brain with unprecedented precision, infusing the cells under real-time MRI guidance.
Mechanisms of Parkinson’s Pathology
Defects that lead to cells’ failure to decommission faulty mitochondria cause nerve cells to die, triggering the symptoms of Parkinson’s disease.
Stem Cell Transplant Without Radiation or Chemotherapy
Researchers have successfully performed stem cell transplants without using radiation or chemotherapy.
Advanced Lymphoma in Remission After T-Cell Therapy
63% of trial participants who recieved two-drug combination chemo plus intermediate dose of engineered T cells went into complete remission.
Inherited Heart Condition Breakthrough
Using stem cells, scientists have created a specific heart condition model, yeilding insights into unexpected disease mechanisms.
Biobank Storage Time Affects Blood Test Results
Study finds storage time of blood samples at a biobank may affect test results as much as patient age.
Transplanted Stem Cells Age Cells by 30 Years
Research suggests stem cell transplants are linked to an increase in immune cell's “molecular age” from blood cancer patients.
Commanding Stem Cells to Build Bone
Natural molecule can coax stem cells into regenerating bone tissue, researchers have discovered.
Skyscraper Banner

SELECTBIO Market Reports
Go to LabTube
Go to eposters
 
Access to the latest scientific news
Exclusive articles
Upload and share your posters on ePosters
Latest presentations and webinars
View a library of 1,800+ scientific and medical posters
3,500+ scientific and medical posters
A library of 2,500+ scientific videos on LabTube
5,000+ scientific videos
Close
Premium CrownJOIN TECHNOLOGY NETWORKS PREMIUM FOR FREE!