Active Implants is conducting two clinical trials of the NUsurface® Meniscus Implant: SUN and VENUS.


(Safety Using NUsurface®)

Trial to assess the safety and effectiveness of the NUsurface® Meniscus Implant in restoring function similar to that of a natural, healthy meniscus.

Study website:


Venus Logo

(Verifying the Effectiveness of the NUsurface® System)

Randomized, controlled clinical trial assessing the safety and effectiveness of the NUsurface® Meniscus Implant, compared to non-surgical standard of care.

Study website:


In the U.S., SUN and VENUS are being conducted as Investigational Device Exemption (IDE) trials.
In Europe and Israel, the trials are in compliance with applicable regulatory directives.


Who is eligible?

Patients with persistent pain after a partial medial meniscectomy (post-meniscectomy syndrome), in particular those who have been recommended for standard non-surgical therapies, may be eligible to participate in the SUN and VENUS clinical trials if they meet these main criteria:

  • 30 to 75 years of age

  • Suffer from knee pain isolated to the medial compartment

  • Have had at least one previous medial partial meniscectomy

Patients who are candidates for partial or total knee arthroplasty are not eligible.


Would you like to refer a patient?

If you are a medical professional and would like to refer a patient to the SUN or VENUS clinical trial, please complete the NUsurface® Clinical Trials Contact Form to submit your contact details, which will be provided to the closest study site, or have your patient call (844) 680-8951.

CAUTION: Investigational Device. Limited by Federal (US) law to investigational use.