How long does DualVis™ last?

The duration of effect in patients with osteoarthritis has been demonstrated to be up to 12 months.

What grades of knee Osteoarthritis is DualVis™ approved for?

DualVis™ can be used for grades 1, 2A and 2B. DualVis™ has not been approved for grade 3 knee OA.

Can I inject more than once in a week?

DualVis™ has been approved for use up to 3 times, once a week. Any usage of RV out of this scope will be at the physician’s discretion.

Can the patient be administered other therapies concurrently with DualVis™?

There has been no proven evidence on the safety and efficacy of concomitant administration of HA with other intra-articular products.
Other systemic therapies such as pain relief medication, local anaesthetics, corticosteroids, PRP or shock wave therapies do not interfere with the administration of hyaluronic acid (HA).

What is the molecular weight and concentration of the two Hyaluronic Acids in DualVis™?

The first chamber of DualVis™ contains: 2.2% of HA of an average molecular weight of 1 million Daltons.

The second chamber of DualVis™ contains: 1.0% of HA of an average molecular weight of 2 million Daltons.

What is the source of your Hyaluronic Acid (HA)?

DualVis™ is from the fermentation of bacteria – the manufacturing process of DualVis™ is covered by a patent as it is a process. The manufacturing process ensures the strictest level of purification and does not use any products from animals or of animal origins.

Can I use DualVis™ for osteoarthritis at other joints?

The use of DualVis™ at other joints have not been approved. Using it at other joints will be an off-label prescription and is at discretion of doctor.

Is DualVis™ registered?

DualVis™ has a CE certificate since Feb 2009 and is approved to be marketed in the EEC. Countries outside the EEC might have to undergo a registration or notification process, dependent on the location.

Where can I find DualVis™?

We have a network of distributors worldwide. Please contact the distributor from your region or you may also contact us.