| Recruiting | 2 | 80 | Europe | 5-Aminolevulinic Acid Hydrochloride, Oral, Gliolan | Universität Münster, photonamic GmbH & Co. KG, medac GmbH | Brain Tumor, Pediatric | 06/25 | 06/25 | | |
| Recruiting | N/A | 65 | Europe | Orthoss | Geistlich Pharma AG | Lumbar Spondylolisthesis Involving L4-L5, Lumbar Spondylolisthesis Involving L5-S1, Lumbar Spinal Stenosis, Lumbar Disc Degeneration | 07/24 | 01/26 | | |
| Recruiting | N/A | 84 | Europe | Spinal Cord Stimulation, SCS, Spinal Fusion Surgery | University Hospital Augsburg, Boston Scientific Corporation | Failed Back Surgery Syndrome, SCS, Neuromodulation, Spinal Cord Stimulation, Spinal Fusion, Low Back Pain | 11/24 | 05/25 | | |