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NEXTBIOMEDICAL Announces First Patient Enrolled in U.S. FDA Pivotal Trial of Nexsphere-F™ for Knee Osteoarthritis Pain

(PRNewsfoto/NEXTBIOMEDICAL CO., LTD.)

News provided by

NEXTBIOMEDICAL CO., LTD.

Oct 13, 2025, 09:00 ET

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  • RESORB Study Marks Major Step Toward U.S. Regulatory Approval and Global Commercialization

SEOUL, South Korea, Oct. 13, 2025 /PRNewswire/ -- NEXTBIOMEDICAL CO., LTD. (KOSDAQ: 389650), an innovative medical device company based in South Korea, today announced the enrollment of the first patient in its U.S. pivotal clinical trial evaluating Nexsphere-F™, the company's novel fast resorbable microsphere for musculoskeletal pain embolization. This milestone represents a significant advancement in NEXTBIOMEDICAL's U.S. regulatory pathway, following FDA approval of its Investigational Device Exemption (IDE). The pivotal trial, known as RESORB (Randomized Controlled Study Evaluating Genicular Artery Embolization Against Intra-Articular Corticosteroid Knee Injection for Osteoarthritic Knee Pain), will enroll approximately 126 patients across more than 10 leading U.S. clinical sites. The study is designed to compare genicular artery embolization (GAE) with Nexsphere-F™ to intra-articular corticosteroid injections, with the primary goal of assessing both safety and efficacy in patients with painful knee osteoarthritis. Nexsphere-F™ has already received multiple key U.S. regulatory designations, including FDA Breakthrough Device Designation, CMS IDE Category B approval, and participation in the TAP (Total Product Lifecycle Advisory Program). These designations enable accelerated review and Medicare coverage during the clinical trial phase, underscoring the potential of Nexsphere-F™ to address a major unmet need in osteoarthritis treatment.

Beyond the U.S., Nexsphere-F™ has obtained CE-MDD certification in Europe and is currently used in real-world clinical practice across multiple countries. Results from 155 patients treated with Nexsphere-F™ were recently published in the Journal of Vascular and Interventional Radiology (JVIR), demonstrating a 67% average pain reduction at 6 months, with no device-related serious adverse events reported. A separate study published in the Orthopaedic Journal of Sports Medicine (OJSM) highlighted the safety and potential of transcatheter arterial embolization for patellar tendinopathy (jumper's knee). At CIRSE 2025 in Barcelona, German key opinion leaders and Dr. Yuji Okuno of Japan presented real-world clinical cases further reinforcing the strong safety and efficacy profile of Nexsphere-F™ across diverse musculoskeletal conditions.

"The enrollment of the first patient in the RESORB trial marks an important milestone in our U.S. regulatory strategy," said Ziv J. Haskal, MD, Professor at the University of Virginia and CMO(Chief Medical Officer) of NEXTBIOMEDICAL. "With CE-MDD approval in Europe, thousands of successful procedures worldwide, and a growing body of peer-reviewed evidence through JVIR, OJSM, and international presentations, we are confident this pivotal study will pave the way for FDA approval and broader global adoption of our technology."

Reflecting the accelerating market adoption, NEXTBIOMEDICAL reported that overseas sales in Q3 2025 increased by approximately 40% compared to Q2 2025, highlighting strong commercial traction for Nexsphere-F™.

The device leverages an innovative resorbable microsphere technology designed to temporarily occlude abnormal blood flow in pain-inducing vessels. The microspheres naturally dissolve within 2–6 hours, inducing targeted necrosis of nerve endings responsible for osteoarthritis pain and delivering rapid, sustained pain relief. With the initiation of the U.S. pivotal trial, continued clinical expansion in Europe, and strong commercial growth, NEXTBIOMEDICAL is advancing its mission to deliver a paradigm-shifting solution for musculoskeletal pain management and accelerating its path toward global commercialization.

SOURCE NEXTBIOMEDICAL CO., LTD.

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