NewslettersCell Therapy News PCRX-201, a Novel IL-1Ra Gene Therapy Treatment Approach for Low Back Pain Resulting from Intervertebral Disc Degeneration By Jamie Kang - November 25, 2024 0 762 When transduced with PCRX-201, the production and release of IL-1Ra was increased in degenerate human nucleus pulposus cells and tissue. [Gene Therapy] Full Article