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Clinical Trial Summary

To evaluate the outcomes of patients undergoing iovera° treatment of the ISN and AFCN on postoperative knee pain and function following anterior cruciate ligament reconstruction


Clinical Trial Description

The most commonly reconstructed ligament in the knee is the anterior cruciate ligament (ACL)1. In 2006 a total of 134,421 ACL reconstructions were performed in the United States, representing a 37% increase in procedures since 19941. Today, most ACL reconstructions are performed on an outpatient basis2. While this has led to improvements in patient satisfaction3 and cost4, it has simultaneously resulted in more complicated postoperative pain management. Managing this pain via multi-modal strategies, including peripheral nerve blocks, in the postoperative phase has been shown to decrease opioid related side effects, decrease hospital stay, and increase time to ambulation5. Nursing, hospital, and pharmacy utilization in managing PCA, continuous regional nerve blocks, and administration of oral opioid dosing are associated with higher costs of care and introduce sources for staff error6,7. Furthermore, the idea of multi-modal pain management extends beyond the surgical procedure. Decreasing prescription opioid use during outpatient rehabilitation decreases NSAID and opioid related side effects8.

Myoscience, Inc. (Fremont, CA) has developed a device - iovera° - as a novel, minimally-invasive procedure using cold to target sensory nerve tissue and provide temporary pain relief through cryoneurolysis. The iovera° device uses well-established principles of cryobiology to temporarily deactivate sensory nerves that contribute to pain. Prior studies of the iovera° device have provided evidence of effectiveness and safety for treatment of the Infrapatellar Branch of the Saphenous Nerve and another study has demonstrated that a short-term block of this nerve resulted in reduced pain following an ACL repair.9

In a multicenter, double-blind, sham-controlled, randomized trial sponsored by Myoscience, Inc, the iovera° device was shown to temporarily relieve pain in patients with osteoarthritis of the knee. Compared to the sham group, patients who received active treatment had a statistically significant greater change from baseline in the WOMAC pain subscale score at Day 30 (p=0.0004), Day 60 (p=0.0176), and Day 90 (p=0.0061). Patients deemed WOMAC pain responders at Day 120 continued to experience a statistically significant treatment effect at Day 150. Most expected side effects were mild in severity and resolved within 30 days. The incidence of device- or procedure-related adverse events was similar in the two treatment groups with no occurrence of serious or unanticipated adverse events.10

The goal of the study described herein is to determine the safety and efficacy of the iovera° treatment for reducing the pain associated with anterior cruciate ligament (ACL) reconstruction and rehabilitation. ;


Study Design


Related Conditions & MeSH terms

  • Anterior Cruciate Ligament Reconstruction

NCT number NCT03688477
Study type Interventional
Source MyoScience, Inc
Contact
Status Withdrawn
Phase N/A
Start date October 2018
Completion date June 2019

See also
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