Sanofi Genzyme recalls Synvisc-One (hylan G-F 20) due to contamination with Methylbacterium thiocyanatum. This injectable treatment for knee osteoarthritis may pose health risks if used.
Contamination with Methylbacterium thiocyanatum
Sanofi Genzyme is recalling Synvisc-One (hylan G-F 20) injections because they may contain harmful bacteria. This affects people who have received the product for knee osteoarthritis treatment. Using contaminated injections could lead to infections or other health issues.
The product may contain Methylbacterium thiocyanatum, a type of bacteria that can cause infections. Contaminated injections could lead to serious health issues if the bacteria enter the body through the knee joint.
People who received Synvisc-One for knee osteoarthritis treatment are affected. Those with the specific lot number 7RSL021 and expiration date May 31, 2020 are most at risk.
Check the lot number on the product label, which should be 7RSL021. The expiration date is May 31, 2020. This product is a 6mL injection delivered from a 10mL syringe.
Look for the lot number 7RSL021 and expiration date May 31, 2020 on the Synvisc-One product.
The recall record states the product may contain harmful bacteria, so it is not safe to use as recalled.
The recall record does not specify a remedy, so there is no action required beyond checking the product label.
Check for lot number 7RSL021 and expiration date May 31, 2020 on the Synvisc-One product label.
We’ve drafted a message you can send Sanofi Genzyme to request your refund or repair — edit it as you like.
Subject: Recall Z-0607-2018 — Sanofi Genzyme Sanofi Genzyme Hello, I own a Sanofi Genzyme that is covered by recall Z-0607-2018 from Sanofi Genzyme. I’m writing to arrange the remedy described in the recall (a refund, repair, or replacement as applicable). Could you please tell me the next steps to resolve this? Thank you.
Experiences, tips, and questions from readers. Every comment is reviewed before it appears.
No comments yet — be the first to share your experience.
The facts (hazard, remedy, dates, manufacturer) are pulled from the official FDA recall record. The plain-language summary and step-by-step checklist are written by GovInfoNow to make the official notice easier to act on — they don’t replace it.
