Preprint Communication Version 1 This version is not peer-reviewed

Rationality of Neurological Clinical Trials: A Challenge that the FDA must Resolve

Version 1 : Received: 5 November 2024 / Approved: 6 November 2024 / Online: 6 November 2024 (11:01:07 CET)

How to cite: Niazi, S. K. Rationality of Neurological Clinical Trials: A Challenge that the FDA must Resolve. Preprints 2024, 2024110409. https://doi.org/10.20944/preprints202411.0409.v1 Niazi, S. K. Rationality of Neurological Clinical Trials: A Challenge that the FDA must Resolve. Preprints 2024, 2024110409. https://doi.org/10.20944/preprints202411.0409.v1

Abstract

Antibodies approved by the FDA are failing to treat neurological disorders, and recently, it was reported that these trials may have violated patient’s rights and subjected them to high, likely lethal risk. The challenge with developing antibodies to treat neurological orders is their almost negligible bioavailability, requiring high dosing that can be toxic. The high potency of these drugs should also be viewed considering the placebo effects since all antibodies have shown severe side effects that are not prevented by the placebo responses. In this critical and urgent advice to the FDA, I am suggesting a guideline amendment to all clinical trials requiring proof of sufficient bioavailability at the site of action, where it is known. For antibodies to cross the blood-brain barrier, there are proven solutions such as conjugating with transferrin protein, making clinical trials in its absence more questionable and unethical.

Keywords

Alzheimer’s disease; FDA; lecanemab; donanemab; aducanumab; NY Times; clinical trials; bioavailability; human abuse

Subject

Medicine and Pharmacology, Neuroscience and Neurology

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