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Proteon Therapeutics, Inc., a company developing novel, first-in-class therapeutics to address the medical needs of patients with kidney and vascular diseases, today announced that it has completed enrollment in PATENCY-2, the second Phase 3 clinical trial of investigational vonapanitase, Proteon’s lead development candidate. Top-line data from this trial is expected in March of 2019.
PATENCY-2 is a multicenter, randomized, double-blind, placebo-controlled Phase 3 clinical trial in patients with chronic kidney disease (CKD) receiving or expecting to receive hemodialysis and undergoing surgical creation of a radiocephalic arteriovenous fistula. The trial is designed to evaluate, over one year, whether a single administration of 30 micrograms of vonapanitase can improve radiocephalic fistula use for hemodialysis and secondary patency, the trial’s co-primary endpoints. Secondary patency is defined as the length of time from surgical creation until fistula abandonment (final failure).
“We are excited to have completed enrollment in the second Phase 3 trial of vonapanitase, a significant achievement for Proteon and for the dialysis community,” said Timothy Noyes, President and Chief Executive Officer of Proteon Therapeutics. “We look forward to continuing to work closely with the FDA under our Breakthrough Therapy designation to complete this important development effort.”
The trial treated 603 patients at 39 centers across the United States and Canada. If the PATENCY-2 trial is successful, Proteon expects to submit a Biologics License Application (BLA) for vonapanitase to the U.S. Food and Drug Administration (FDA) in 2019. Proteon received written confirmation from the FDA that if the PATENCY-2 trial demonstrates statistical significance (p≤0.05) on each of its co-primary endpoints, the PATENCY-2 trial together with data from previously completed studies would provide the basis for a BLA submission as a single pivotal trial.
PATENCY-2 is the fourth multicenter, randomized, double-blind, placebo-controlled clinical trial evaluating vonapanitase in patients with CKD receiving or expecting to receive hemodialysis and undergoing surgical creation of an arteriovenous fistula. Combined, these studies have enrolled more than 1,100 CKD patients at 62 centers in the United States and Canada.
Vonapanitase is an investigational drug intended to improve hemodialysis vascular access outcomes. Vonapanitase is applied in a single administration and is currently being studied in a Phase 3 clinical trial in patients with CKD undergoing surgical creation of a radiocephalic arteriovenous fistula for hemodialysis. Vonapanitase has received Breakthrough Therapy, Fast Track and Orphan Drug designations from the FDA, and Orphan Medicinal Product designation from the European Commission, for hemodialysis vascular access indications. In addition, vonapanitase may have other surgical and endovascular applications in diseases or conditions in which vessel injury leads to blockages in blood vessels and reduced blood flow. Proteon is currently conducting a Phase 1 clinical trial of vonapanitase in patients with peripheral artery disease (PAD).
For Further Information
More on the dialysis device market in the US can be found in a series of reports published by iData Research entitled the US Market Report Suite for Dialysis Devices and Concentrates. The suite covers reports on the following markets: hemodialysis and peritoneal dialysis machines, dialysis catheters, dialyzers, dialyzer reprocessing machines, hemodialysis bloodline and tubing sets, AV fistula needles, AV access grafts, declotting devices, introducer sheaths and guidewires and water treatment systems.
Reports provide a comprehensive analysis including units sold, procedure numbers, market value, forecasts, as well as detailed competitive market shares and analysis of major players’ success strategies in each market and segment. To find out more about dialysis device market data or procedure data, register online or email us at [email protected] for a US Market Report Suite for Dialysis Device and Concentrates brochure and synopsis.