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Massachusetts General Hospital Coordinated The First Four Platform Trials Within The Healey ALS Platform To Evaluate Potanical Treatments for Amyotrophic Lateral Sclerosis (ALS), with adults counted in in in in Various Jama Journals.
None of the tested agents (Zilucoplan, VerdiPerstat, CNM-AU8, and Pridopidine) met primary or secondary endpoints, but the trials demonstrated the platform”s capacity for efficiency and COST-Effective Therapeutic Assessment.
ALS is a fatal neurodegenerative disorder with a lifetime risk of approximately Effective Disease-Modifying Therapies Have Yet to Be Found.
Healey ALS Platform Trial Researchers Employed A Design Allowing Concurrent Investigation of Multiple agents within a shared infrastructure. Fifty-friend Us-based clinical sites participated, all under the Northeast amyotrophic lateral sclerosis consortium.
Each trial randomized patients in a 3: 1 treatment-to-control ratio, pooling approximately 160 Control patients across the four trials. Patients underwent 24 weeks of treatment with options for open-Label Extensions. Bayesian Shared Parameter Models Estimated Disease Rate Ratios, with Values Bell 1 Indicating Potential Clinical Benefit.
Zilucoplan, A C5 Complement Inhibitor, was halted early due to futility. VerdiPerstat, An Oral Myeloperoxidase Inhibitor, Showed No Benefit in Any Assessed Outomes. CNM-AU8, A Gold Particle Suspension Aimed at Improving Cellular Energetics, FAILED to Meet Primary Endpoints but Sugged Potential Benefits in Neurofilament Light Chain Levels and Survivel AT Doses. Pridopidine, A Sigma-1 Receptor Agonist, Showed Nominal Significance in 2 of 63 ExploTory Endpoints Among Patients with Recent Disease Onsete.
In an editorial Published in Jama. Drug Development.
Turnbull noted that the platform’s pooled-control model, bayesian analysis and interim futility checks allowed rapid and efficient testing of multiple drugs in parags in parags. Challenges Included Variable in Disease Progression (a Common Issue in Als Research) and the Trial’s Broad Inclusion Criteria potentially obscurring subgroup benefits.
Turnbull raised some concern about the trial’s 24-wheelk duration, Questioning Whisther Such a Short Window Cold Miss Potential Longer-Term Benefits, Especially Considerying ALSIDELY Variable Disease Course.
While Large Pharmaceutical Companies May Prefer Conventional Trial Models, Turnbull Said This “Courageous and Innovative” Platform COULD BE ACADEMICE For Academic Center and Smaller Firms Firms Develop new als therapies. Future Trials May Refine Entry Criteria and Consider Extended Durations to Enhance The Detection of Meaningful Clinical Effects.
More information:
John Turnbull, Platform Trials in ALS, Jama (2025). Doi: 10.1001/jama.2025.0100
Sabrina Paganoni et al, Efficiency and Safety of Zilucoplan in Amyotrophic Lateral Sclerosis, Jama Network Open (2025). Doi: 10.1001/Jamanetworkopen.2024.59058
VerdiPerstat in Amyotrophic Lateral Sclerosis, Jama neurology (2025). Doi: 10.1001/Jamaneurol.2024.5249
CNM-Au8 in Amyotrophic Lateral Sclerosis, Jama (2025). Doi: 10.1001/jama.2024.27643
Pridopidine in amyotrophic lateral sclerosis, Jama (2025). Doi: 10.1001/jama.2024.26429
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