Radiotherapy with 5 × 5 Gy for Personalized Treatment of Malignant Epidural Compression of the Myelon: Long-Term Results of the PRE-MODE Trial
Abstract
1. Introduction
2. Materials and Methods
3. Results
4. Discussion
5. Conclusions
Supplementary Materials
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
Abbreviations
| AUC | Area under the Curve |
| EQD2 | Equivalent Dose in 2-Gy Fractions |
| LPFS | Local Progression-Free Survival |
| MESCC | Malignant Epidural Spinal Cord Compression |
| OS | Overall Survival |
| ROC | Receiver Operating Characteristic |
| RT | Radiotherapy |
References
- Lawton, A.J.; Lee, K.A.; Cheville, A.L.; Ferrone, M.L.; Rades, D.; Balboni, T.A.; Abrahm, J.L. Assessment and Management of Patients with Metastatic Spinal Cord Compression: A Multidisciplinary Review. J. Clin. Oncol. 2019, 37, 61–71. [Google Scholar] [CrossRef]
- Prasad, D.; Schiff, D. Malignant Spinal-cord Compression. Lancet Oncol. 2005, 6, 15–24. [Google Scholar] [CrossRef]
- Patchell, R.A.; Tibbs, P.A.; Regine, W.F.; Payne, R.; Saris, S.; Kryscio, R.J.; Mohiuddin, M.; Young, B. Direct Decompressive Surgical Resection in The Treatment of Spinal Cord Compression Caused by Metastatic Cancer: A Randomised Trial. Lancet 2005, 366, 643–648. [Google Scholar] [CrossRef]
- Rades, D.; Lange, M.; Veninga, T.; Stalpers, L.J.; Bajrovic, A.; Adamietz, I.A.; Rudat, V.; Schild, S.E. Final Results of a Prospective Study Comparing the Local Control of Short-Course and Long-Course Radiotherapy for Metastatic Spinal Cord Compression. Int. J. Radiat. Oncol. 2011, 79, 524–530. [Google Scholar] [CrossRef]
- Rades, D.; Cacicedo, J.; Conde-Moreno, A.J.; Segedin, B.; But-Hadzic, J.; Groselj, B.; Kevlishvili, G.; Lomidze, D.; Ciervide-Jurio, R.; Rubio, C.; et al. Precision Radiation Therapy for Metastatic Spinal Cord Compression: Final Results of the PRE-MODE Trial. Int. J. Radiat. Oncol. 2020, 106, 780–789. [Google Scholar] [CrossRef] [PubMed]
- Joiner, M.C.; Van der Kogel, A.J. The linear-quadratic approach to fractionation and calculation of isoeffect relationships. In Basic Clinical Radiobiology; Steel, G.G., Ed.; Oxford University Press: New York, NY, USA, 1997; pp. 106–112. [Google Scholar]
- Gales, L.; Mitrea, D.; Chivu, B.; Radu, A.; Bocai, S.; Stoica, R.; Dicianu, A.; Mitrica, R.; Trifanescu, O.; Anghel, R.; et al. Risk of Myelopathy Following Second Local Treatment after Initial Irradiation of Spine Metastasis. Diagnostics 2023, 13, 175. [Google Scholar] [CrossRef]
- Doi, H.; Tamari, K.; Oh, R.-J.; Nieder, C. New Clinical Data on Human Spinal Cord Re-Irradiation Tolerance. Strahlenther. Onkol. 2021, 197, 463–473. [Google Scholar] [CrossRef] [PubMed]
- Marks, L.B.; Yorke, E.D.; Jackson, A.; Ten Haken, R.K.; Constine, L.S.; Eisbruch, A.; Bentzen, S.M.; Nam, J.; Deasy, J.O. Use of Normal Tissue Complication Probability Models in the Clinic. Int. J. Radiat. Oncol. Biol. Phys. 2010, 76, S10–S19. [Google Scholar] [CrossRef] [PubMed]
- Rosenbaum, P.R.; Rubin, D.B. The Central Role of the Propensity Score in Observational Studies for Causal Effects. Biometrika 1983, 70, 41–55. [Google Scholar] [CrossRef]
- Hoskin, P.J.; Hopkins, K.; Misra, V.; Holt, T.; McMenemin, R.; Dubois, D.; McKinna, F.; Foran, B.; Madhavan, K.; MacGregor, C.; et al. Effect of Single-Fraction vs Multifraction Radiotherapy on Ambulatory Status Among Patients With Spinal Canal Compression From Metastatic Cancer. JAMA 2019, 322, 2084–2094. [Google Scholar] [CrossRef]
- Thirion, P.G.; Dunne, M.T.; Kelly, P.J.; Flavin, A.; O’sUllivan, J.M.; Hacking, D.; Sasiadek, W.; Small, C.; Pomeroy, M.M.; Martin, J.; et al. Non-Inferiority Randomised Phase 3 Trial Comparing Two Radiation Schedules (Single Vs. Five Fractions) in Malignant Spinal Cord Compression. Br. J. Cancer 2020, 122, 1315–1323. [Google Scholar] [CrossRef]
- Zaki, P.; Barbour, A.; Zaki, M.M.; Tseng, Y.D.; Amin, A.G.; Venur, V.; McGranahan, T.; Vellayappan, B.; Palmer, J.D.; Chao, S.T.; et al. Emergent Radiotherapy for Spinal Cord Compression/Impingement—A Narrative Review. Ann. Palliat. Med. 2023, 12, 1447–1462. [Google Scholar] [CrossRef]
- Tibdewal, A.; Sharma, A.; Gurram, L.; Mummudi, N.; Agarwal, J. Outcomes of Palliative Radiotherapy in Metastatic Epidural Spinal Cord Compression in Lung Cancer—A Prospective Observational Study from Tata Memorial Hospital. South Asian J. Cancer 2021, 10, 120–126. [Google Scholar] [CrossRef]
- Rades, D.; Panzner, A.; Rudat, V.; Karstens, J.H.; Schild, S.E. Dose Escalation of Radiotherapy for Metastatic Spinal Cord Compression (MSCC) in Patients with Relatively Favorable Survival Prognosis. Strahlenther. Onkol. 2011, 187, 729–735. [Google Scholar] [CrossRef]
- Rades, D.; Lomidze, D.; Jankarashvili, N.; Campos, F.L.; Navarro-Martin, A.; Segedin, B.; Groselj, B.; Staackmann, C.; Kristiansen, C.; Dennis, K.; et al. Radiotherapy for Metastatic Epidural Spinal Cord Compression with Increased Doses: Final Results of the RAMSES-01 Trial. Cancers 2024, 16, 1149. [Google Scholar] [CrossRef] [PubMed]
- Rades, D.; Lange, M.; Veninga, T.; Rudat, V.; Bajrovic, A.; Stalpers, L.J.; Dunst, J.; Schild, S.E. Preliminary Results of Spinal Cord Compression Recurrence Evaluation (Score-1) Study Comparing Short-Course Versus Long-Course Radiotherapy for Local Control of Malignant Epidural Spinal Cord Compression. Int. J. Radiat. Oncol. 2009, 73, 228–234. [Google Scholar] [CrossRef]
- Ito, K.; Sugita, S.; Nakajima, Y.; Furuya, T.; Hiroaki, O.; Hayakawa, S.; Hozumi, T.; Saito, M.; Karasawa, K. Phase 2 Clinical Trial of Separation Surgery Followed by Stereotactic Body Radiation Therapy for Metastatic Epidural Spinal Cord Compression. Int. J. Radiat. Oncol. 2022, 112, 106–113. [Google Scholar] [CrossRef]
- Guckenberger, M.; Mantel, F.; Gerszten, P.C.; Flickinger, J.C.; Sahgal, A.; Létourneau, D.; Grills, I.S.; Jawad, M.; Fahim, D.K.; Shin, J.H.; et al. Safety and Efficacy of Stereotactic Body Radiotherapy as Primary Treatment for Vertebral Metastases: A Multi-Institutional Analysis. Radiat. Oncol. 2014, 9, 1–8. [Google Scholar] [CrossRef] [PubMed]
- Wong, H.C.; Lee, S.F.; Chan, A.W.; Caini, S.; Hoskin, P.; Simone, C.B.; Johnstone, P.; van der Linden, Y.; van der Velden, J.M.; Martin, E.; et al. Stereotactic Body Radiation Therapy Versus Conventional External Beam Radiotherapy for Spinal Metastases: A Systematic Review and Meta-Analysis of Randomized Controlled Trials. Radiother. Oncol. 2023, 189, 109914. [Google Scholar] [CrossRef] [PubMed]
- Guckenberger, M.; Dahele, M.; Ong, W.L.; Sahgal, A. Stereotactic Body Radiation Therapy for Spinal Metastases: Benefits and Limitations. Semin. Radiat. Oncol. 2023, 33, 159–171. [Google Scholar] [CrossRef] [PubMed]
- Ferini, G.; Palmisciano, P.; Scalia, G.; Haider, A.S.; Bin-Alamer, O.; Sagoo, N.S.; Bozkurt, I.; Deora, H.; Priola, S.M.; Aoun, S.G.; et al. The Role of Radiation Therapy in The Treatment of Spine Metastases from Hepatocellular Carcinoma: A Systematic Review and Meta-Analysis. Neurosurg. Focus 2022, 53, E12. [Google Scholar] [CrossRef]
- Garg, A.K.; Shiu, A.S.; Yang, J.; Wang, X.; Allen, P.; Brown, B.W.; Grossman, P.; Frija, E.K.; McAleer, M.F.; Azeem, S.; et al. Phase 1/2 Trial of Single-Session Stereotactic Body Radiotherapy for Previously Unirradiated Spinal Metastases. Cancer 2012, 118, 5069–5077. [Google Scholar] [CrossRef] [PubMed]
- Versteeg, A.L.; van der Velden, J.M.; Hes, J.; Eppinga, W.; Kasperts, N.; Verkooijen, H.M.; Oner, F.C.; Seravalli, E.; Verlaan, J.-J. Stereotactic Radiotherapy Followed by Surgical Stabilization Within 24 h for Unstable Spinal Metastases; A Stage I/IIa Study According to the IDEAL Framework. Front. Oncol. 2018, 8, 626. [Google Scholar] [CrossRef]
- Ito, K.; Nakajima, Y.; Ogawa, H.; Taguchi, K.; Sugita, S. Risk of Radiculopathy Caused by Second Course of Spine Stereotactic Body Radiotherapy. Ultrasound Med. Biol. 2022, 52, 911–916. [Google Scholar] [CrossRef] [PubMed]
- Ito, K.; Ogawa, H.; Nakajima, Y. Efficacy and Toxicity of Re-Irradiation Spine Stereotactic Body Radiotherapy with Respect to Irradiation Dose History. Ultrasound Med. Biol. 2020, 51, 264–270. [Google Scholar] [CrossRef]
- Hashmi, A.; Guckenberger, M.; Kersh, R.; Gerszten, P.C.; Mantel, F.; Grills, I.S.; Flickinger, J.C.; Shin, J.H.; Fahim, D.K.; Winey, B.; et al. Re-Irradiation Stereotactic Body Radiotherapy for Spinal Metastases: A Multi-Institutional Outcome Analysis. J. Neurosurg. Spine 2016, 25, 646–653. [Google Scholar] [CrossRef] [PubMed]
- Boyce-Fappiano, D.; Elibe, E.; Zhao, B.; Siddiqui, M.S.; Lee, I.; Rock, J.; Ryu, S.; Siddiqui, F. Reirradiation of The Spine with Stereotactic Radiosurgery: Efficacy and Toxicity. Pract. Radiat. Oncol. 2017, 7, e409–e417. [Google Scholar] [CrossRef]
- Singer, E.; Elsayem, A.; Nassif, T.; Rodriguez, C.; Zoghbi, M.; Dagher, J.; Yammine, N.; Kamal, M.; Carreras, M.T.C.; Vu, T.; et al. Initial Management and Disposition of Metastatic Spinal Cord Compression in The Emergency Department: A Review of The Literature. Ann. Med. 2025, 57, 2568117. [Google Scholar] [CrossRef]
- Bevacqua, G.; Grespi, V.; Becattini, E.; Ottaviani, M.M.; Trippa, F.; Conti, C. The Role of Separation Surgery and Advanced Radiotherapy in Metastatic Epidural Spinal Cord Compression: A Single-Center Retrospective Study Comparing Stereotactic Body Radiation Therapy and 3D-Conformal Radiotherapy. World Neurosurg. 2025, 203, 124491. [Google Scholar] [CrossRef]
- Guhlich, M.; Maag, T.E.; Schirmer, M.A.; Quesada, T.A.C.; Mielke, D.; Rieken, S.; Leu, M.; Dröge, L.H. Primary and Postoperative Radiotherapy in Acute Neurological Symptoms due to Malignant Spinal Compression: Retrospective Analysis from A German University Hospital. BMC Cancer 2025, 25, 1–12. [Google Scholar] [CrossRef]
- Strong, M.J.; Linzey, J.R.; Goethe, P.B.; Kathawate, V.B.; Tudrick, L.B.; Lee, J.B.; Ogunsola, O.; Zaki, M.M.M.; Ward, A.L.; Willet, N.B.; et al. Separation Surgery Followed by Conformal Postoperative Spine Stereotactic Body Radiation Therapy Does Not Increase Risk of Adjacent Spine Level Progression in the Management of Spine Metastases. Am. J. Clin. Oncol. 2025, 48, 200–205. [Google Scholar] [CrossRef] [PubMed]
- Ito, K.; Nakamura, N. Palliative Stereotactic Body Radiotherapy for Spinal and Non-Spinal Bone Metastases: Combining Tradition and Innovation. Int. J. Clin. Oncol. 2025, 30, 1492–1499. [Google Scholar] [CrossRef] [PubMed]
- Giraldo, A.P.; Sohm, D.; Neugebauer, J.; Leone, G.; Bergovec, M.; Dammerer, D. Stereotactic Radiosurgery in Metastatic Spine Disease—A Systemic Review of the Literature. Cancers 2024, 16, 2787. [Google Scholar] [CrossRef] [PubMed]
| Quintile 1 | Quintile 2 | Quintile 3 | Quintile 4 | Quintile 5 | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Control Group n (%) | PRE-MODE n (%) | Control Group n (%) | PRE-MODE n (%) | Control Group n (%) | PRE-MODE n (%) | Control Group n (%) | PRE-MODE n (%) | Control Group n (%) | PRE-MODE n (%) | |
| Local failure up to 12 months following RT | ||||||||||
| No | 160 (76.6) | 6 (75.0) | 203 (75.5) | 8 (100) | 111 (75.5) | 8 (88.9) | 14 (73.7) | 7 (100) | 17 (85.0) | 7 (87.5) |
| Yes | 49 (23.4) | 2 (25.0) | 66 (24.5) | 0 (0.0) | 36 (24.5) | 1 (11.1) | 5 (26.3) | 0 (0.0) | 3 (15.0) | 1 (12.5) |
| p = 0.070 | ||||||||||
| Local failure up to 18 months following RT | ||||||||||
| No | 158 (75.6) | 6 (75.0) | 203 (75.5) | 8 (100) | 109 (74.1) | 8 (88.9) | 14 (73.7) | 7 (100) | 17 (85.0) | 7 (87.5) |
| Yes | 51 (24.4) | 2 (25.0) | 66 (24.5) | 0 (0.0) | 38 (25.9) | 1 (11.1) | 5 (26.3) | 0 (0.0) | 3 (15.0) | 1 (12.5) |
| p = 0.060 | ||||||||||
| Local failure up to 24 months following RT | ||||||||||
| No | 158 (75.6) | 6 (75.0) | 202 (75.1) | 8 (100) | 107 (72.8) | 8 (88.9) | 14 (73.7) | 7 (100) | 17 (85.0) | 7 (87.5) |
| Yes | 51 (24.4) | 2 (25.0) | 67 (24.9) | 0 (0.0) | 40 (27.2) | 1 (11.1) | 5 (26.3) | 0 (0.0) | 3 (15.0) | 1 (12.5) |
| p = 0.054 | ||||||||||
| Quintile 1 | Quintile 2 | Quintile 3 | Quintile 4 | Quintile 5 | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Control Group n (%) | PRE-MODE n (%) | Control Group n (%) | PRE-MODE n (%) | Control Group n (%) | PRE-MODE n (%) | Control Group n (%) | PRE-MODE n (%) | Control Group n (%) | PRE-MODE n (%) | |
| Death up to 12 months following RT | ||||||||||
| No | 93 (44.5) | 2 (25.0) | 81 (30.1) | 4 (50.0) | 66 (44.9) | 3 (33.3) | 4 (21.1) | 3 (42.9) | 9 (45.0) | 2 (25.0) |
| Yes | 116 (55.5) | 6 (75.0) | 188 (69.9) | 4 (50.0) | 81 (55.1) | 6 (66.7) | 15 (78.9) | 4 (57.1) | 11 (55.0) | 6 (75.0) |
| p = 0.735 | ||||||||||
| Death up to 18 months following RT | ||||||||||
| No | 89 (42.6) | 2 (25.0) | 72 (26.8) | 4 (50.0) | 61 (41.5) | 2 (22.2) | 3 (15.8) | 3 (42.9) | 9 (45.0) | 2 (25.0) |
| Yes | 120 (57.4) | 6 (75.0) | 197 (73.2) | 4 (50.0) | 86 (58.5) | 7 (77.8) | 16 (84.2) | 4 (57.1) | 11 (55.0) | 6 (75.0) |
| p = 0.737 | ||||||||||
| Death up to 24 months following RT | ||||||||||
| No | 87 (41.6) | 2 (25.0) | 69 (25.7) | 4 (50.0) | 56 (38.1) | 2 (22.2) | 3 (15.8) | 3 (42.9) | 9 (45.0) | 1 (12.5) |
| Yes | 122 (58.4) | 6 (75.0) | 200 (74.3) | 4 (50.0) | 91 (61.9) | 7 (77.8) | 16 (84.2) | 4 (57.1) | 11 (55.0) | 7 (87.5) |
| p = 0.663 | ||||||||||
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Rades, D.; Lomidze, D.; Ferrer-Albiach, C.; Conde-Moreno, A.J.; Segedin, B.; Groselj, B.; Jurio, R.C.; Cacicedo, J. Radiotherapy with 5 × 5 Gy for Personalized Treatment of Malignant Epidural Compression of the Myelon: Long-Term Results of the PRE-MODE Trial. J. Pers. Med. 2025, 15, 577. https://doi.org/10.3390/jpm15120577
Rades D, Lomidze D, Ferrer-Albiach C, Conde-Moreno AJ, Segedin B, Groselj B, Jurio RC, Cacicedo J. Radiotherapy with 5 × 5 Gy for Personalized Treatment of Malignant Epidural Compression of the Myelon: Long-Term Results of the PRE-MODE Trial. Journal of Personalized Medicine. 2025; 15(12):577. https://doi.org/10.3390/jpm15120577
Chicago/Turabian StyleRades, Dirk, Darejan Lomidze, Carlos Ferrer-Albiach, Antonio J. Conde-Moreno, Barbara Segedin, Blaz Groselj, Raquel Ciervide Jurio, and Jon Cacicedo. 2025. "Radiotherapy with 5 × 5 Gy for Personalized Treatment of Malignant Epidural Compression of the Myelon: Long-Term Results of the PRE-MODE Trial" Journal of Personalized Medicine 15, no. 12: 577. https://doi.org/10.3390/jpm15120577
APA StyleRades, D., Lomidze, D., Ferrer-Albiach, C., Conde-Moreno, A. J., Segedin, B., Groselj, B., Jurio, R. C., & Cacicedo, J. (2025). Radiotherapy with 5 × 5 Gy for Personalized Treatment of Malignant Epidural Compression of the Myelon: Long-Term Results of the PRE-MODE Trial. Journal of Personalized Medicine, 15(12), 577. https://doi.org/10.3390/jpm15120577

