ArticleMolecular pharmaceutics2024
Exploring How Antibody Format Drives Clearance from the Brain.
Article in Molecular pharmaceutics, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
5 citing papers in PubMed.
- A real-world study of ublituximab based on the WHO-VigiAccess and U.S. food and drug administration's adverse event reporting system databases.Frontiers in immunology · 2026Article
- Fingolimod synergizes with anti-PD-1 radioimmunotherapy in an experimental multiple sclerosis model through enhanced lymph node retention and CD8Frontiers in medicine · 2025Article
- Characteristics of the blood-brain barrier in pediatric brain tumors.Frontiers in pediatrics · 2025Review
- Delivery of Neuroregenerative Proteins to the Brain for Treatments of Neurodegenerative Brain Diseases.Life (Basel, Switzerland) · 2024Review
- Therapeutic advances in Alzheimer's disease: Current strategies and future possibilities.Tzu chi medical journalReview
Corrections and comments
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Authors and funding
9 authors.
Funding
Abstract
Monoclonal antibodies (mAbs) have high binding specificity and affinity, making them attractive for treating brain diseases. However, their effectiveness is limited by poor blood-brain barrier (BBB) penetration and rapid central nervous system (CNS) clearance. Our group identified blood-brain barrier modulator (BBBM) peptides that improved mAb penetration across the BBB into the brain. In this study, we investigated the pharmacokinetics of a mAb delivered to the brain using BBBMs after intravenous (IV) administration and explored the impact of antibody format (size, neonatal Fc receptor (FcRn) binding, hyaluronic acid binding) on brain clearance following direct injection into the central nervous system (CNS) via intracerebroventricular (ICV) injection. IRDye800CW-labeled antibodies were administered into C57BL/6 mice via ICV or IV injection, and organ concentrations were measured after various time points. When a mAb was coadministered with a BBBM peptide, the permeation of mAb across the BBB was increased compared to mAb alone at early time points; however, the mAb was cleared within 2 h from the brain. ICV experiments revealed that an antibody Fab fragment had a higher brain exposure than a mAb, and that a Fab fused to a hyaluronic acid binding domain (Fab-VG1) showed remarkable improvement in brain exposure. These findings suggest that BBBMs and antibody format optimization may be promising strategies for enhancing brain retention of therapeutic antibodies.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.