Polyganics Achieves CE Mark Certification for LIQOSEAL®

Polyganics, a medical technology company developing, manufacturing and commercializing bioresorbable medical devices, announced today that it has obtained CE marking for LIQOSEAL®, its easy-to-use and innovative dural sealant patch, and will launch the device in Europe with immediate effect.

Approval of the CE mark is based on outstanding data from Polyganics’ ENCASE I clinical trial, evaluating the safety and performance of LIQOSEAL® in reducing cerebrospinal fluid (CSF) leakage after elective cranial surgery. 3-month follow-up results showed the absence of CSF leakage, as confirmed by MRI, no clinically significant swelling, and no device-related adverse events following surgery.

Initially, Polyganics will commercialize LIQOSEAL® in selected European countries with renowned distribution partners which have extensive experience in neurosurgical products. During 2020, the Company will then grow its network with the addition of multiple distributors throughout Europe.

Polyganics is also preparing to launch LIQOSEAL® in selected non-European countries. In addition, arrangements are well underway for the start of ENCASE II, a randomized controlled trial, which will enable the Company to submit the patch for pre-market approval to the US Food and Drug Administration.

Rudy Mareel, CEO of Polyganics, commented: "CSF leakage remains a devastating complication of neurosurgical procedures and represents a significant patient burden with high associated cost. The CE approval of this product is testament to the strength and quality of the clinical data from ENCASE I, showing that LIQOSEAL® establishes effective and enduring watertight dural closure. This is a key milestone in our journey to deliver our dural sealant patch to surgeons and patients in Europe and ultimately worldwide."

About Polyganics
Polyganics is a medical technology company with multiple versatile polymer platforms. The company develops, manufactures and commercializes innovative bioresorbable medical devices that facilitate tissue repair and regeneration.
Polyganics’ portfolio comprises of products developed in-house and in collaboration with leading medical technology companies and academic centers of excellence. The portfolio includes marketed products in the fields of Peripheral Nerve Repair (PNR) and Neurosurgery: VIVOSORB®, for minimizing unwanted tissue adhesions after surgery; NEUROLAC®, for supporting PNR following hand surgery; NEUROCAP®, for the management of symptomatic neuromas; and LIQOSEAL®, a dura sealant patch for the effective control of cerebrospinal fluid leakage. Products in development include a Liver and Pancreas Sealant Patch in the field of General Surgery.
In 2014, Polyganics sold its Ear, Nose & Throat (ENT) surgery business unit (the NASOPORE® product family including HEMOPORE®, SINUPORE® and OTOPORE® and NASOPORE-FD®) to Stryker, one of the world’s leading medical technology companies. Polyganics continues to manufacture the NASOPORE® product range for Stryker. To date, Polyganics has produced and delivered more than 5 million devices.
Polyganics is a privately held company based in Groningen, The Netherlands, a center of biomedical engineering excellence, where it has an ISO 13485-certified manufacturing facility. The company’s polymer platform technologies are protected by a broad portfolio of patents and its products have received clearance from the US FDA, CE-approval, and approval from CFDA and other international authorities.

About CSF leakage
Cerebrospinal fluid (CSF) leakage is a widely recognized complication of neurosurgical procedures. It represents a significant patient burden, resulting in increased morbidity, prolonged hospital stays, possible surgical revisions, and enhanced costs.(1,2) Incidence rates vary depending on age, indication, location of surgery and underlying pathology, but in total CSF leakage occurs in 4-32% of surgical cases.(3,4)

About LIQOSEAL
LIQOSEAL® is a safe and easy-to-use patch indicated for use as an adjunct to standard methods of cranial dural repair during surgery. By ensuring watertight closure of the dura mater, the patch provides effective control of CSF leakage throughout the critical healing period, as well as supporting regeneration of the dura mater by acting as a scaffold for new fibrotic layer formation (‘neodura’). The patch uses Polyganics’ proven proprietary synthetic bioresorbable polymer technology. It is commercially available throughout Europe via a network of experienced distributors.

About ENCASE I
ENCASE I, the first-in-human trial of LIQOSEAL®, is a single-arm, open-label study evaluating the safety and performance of LIQOSEAL® in reducing CSF leakage following elective cranial surgery. 40 adult patients have been recruited at three sites across the Netherlands and Switzerland, with follow-up due to span a period of 12 months. The protocol for the ENCASE I study was published in 2019 in Neurosurgery.(5)

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