High-Level Alzheimer Disease Neuropathological Change Following Iatrogenic Exposure - Report - MDSpire

High-Level Alzheimer Disease Neuropathological Change Following Iatrogenic Exposure

  • By

  • Gargi Banerjee

  • Tze How Mok

  • Harpreet Hyare

  • Oliver Cousins

  • Zane Jaunmuktane

  • Simon Mead

  • John Collinge

  • May 1, 2026

  • 0 min

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Clinical Report: Neuropathological Changes in Alzheimer Disease Induced by Iatrogenic Factors

Overview

This report details the neuropathological changes associated with iatrogenic Alzheimer disease (iAD) linked to cadaveric human growth hormone (c-hGH) treatment. It emphasizes the potential for amyloid-β (Aβ) transmission through medical procedures and the clinical implications of such findings.

Background

Understanding the mechanisms behind Alzheimer disease (AD) is critical due to its significant impact on patients and families. The prion paradigm suggests that misfolded proteins, such as Aβ, play a crucial role in neurodegenerative diseases. Recent evidence indicates that iatrogenic factors, particularly from cadaveric hormone treatments, may contribute to the development of iAD, highlighting the need for further investigation.

Data Highlights

No numerical data presented in the article.

Key Findings

  • Iatrogenic Alzheimer disease (iAD) has been identified in patients treated with cadaveric human growth hormone (c-hGH).
  • Clinical presentations of iAD may differ from sporadic and inherited forms of AD.
  • Patients with iAD can develop symptoms decades after exposure to c-hGH.
  • Limited neuropathological evidence shows only mild tauopathy in reported cases of iAD.
  • The association between specific c-hGH preparations and Aβ pathology raises concerns about medical practices involving cadaveric materials.

Clinical Implications

Healthcare professionals should be aware of the potential risks associated with cadaveric hormone treatments and the long latency period for developing iAD. Ongoing monitoring and research are essential to establish clearer diagnostic criteria and management strategies for affected individuals.

Conclusion

The findings underscore the importance of recognizing iAD as a distinct condition linked to iatrogenic factors, necessitating further research to understand its full clinical and pathological implications.

Related Resources & Content

  1. Acta Neuropathologica, 2021 -- Long-term Neuropathological Effects of Iatrogenic Amyloid-β Transmission in Alzheimer’s Disease: A Three-Decade Follow-Up
  2. Acta Neuropathologica, 2024 -- Exploring Genetic Factors Linked to Alzheimer’s Disease Risk Variants and Their Role in Neuropathological Changes Associated with Dementia
  3. Acta Neuropathologica, 2018 -- Exploring the Impact of Amyloid-β on the Definition, Etiology, and Diagnosis of Alzheimer’s Disease
  4. High-Level Alzheimer Disease Neuropathological Change Following Iatrogenic Exposure - PMC
  5. Infection Control for CJD | Classic CJD | CDC
  6. Acta Neuropathologica — Investigating the Initial Causes of Alzheimer’s Disease: Is Autophagy or Endosomal Dysfunction the Key Factor?
  7. High-Level Alzheimer Disease Neuropathological Change Following Iatrogenic Exposure - PMC
  8. Infection Control for CJD | Classic CJD | CDC
  9. Lecanemab appropriate use recommendations for clinical practice in the UK | Journal of Neurology, Neurosurgery & Psychiatry

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