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High dose treatments for alzheimer's disease

A reagent, a technology for use in the field of high-dose therapy for Alzheimer's disease

Pending Publication Date: 2022-02-08
GENENTECH INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There is a huge unmet need for safe and effective disease-modifying therapeutics for AD

Method used

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  • High dose treatments for alzheimer's disease
  • High dose treatments for alzheimer's disease
  • High dose treatments for alzheimer's disease

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0458] Example 1 - A clinical study of the safety and tolerability of creizumab, a humanized anti-Aβ monoclonal antibody, administered to patients with mild to moderate Alzheimer's disease

[0459] A randomized, double-blind, phase I trial using placebo-controlled was conducted to evaluate the efficacy of the humanized monoclonal anti-amyloid beta ("Aβ") antibody creizumab in patients diagnosed with mild to moderate Alzheimer's disease. Safety, tolerability, and pharmacokinetics in patients with Merger's disease (AD). The study was designed to evaluate doses up to 8 times the dose administered to patients in a phase II clinical trial. Participants included in the study were between the ages of 50 and 90 at screening, had a Mini-Mental State Examination (MMSE) score of 18 to 28 points inclusive, and a Geriatric Depression Scale (GDS-15) score of less than 6 , a Clinical Dementia Rating-Global Score (CDR-GS) of 0.5 or 1.0, and a diagnosis of presumably mild to moderate Alzheime...

Embodiment 2

[0479] Example 2 - Clinical study of creizumab (a humanized anti-Aβ monoclonal antibody) in the treatment of prodromal to mild Alzheimer's disease

[0480] Research Design and Objectives

[0481] A multicenter, randomized, double-blind, placebo-controlled trial was conducted to confirm the role of the humanized monoclonal anti-amyloid beta ("Aβ") antibody creizumab in the diagnosis of prodromal to mild Alzheimer's disease Effects in amyloid-positive patients with Haimer's disease (AD). Participants in this study were aged between 50 and 85 at screening, had a weight between 40 kg and 120 kg (inclusive), had evidence of an AD pathological process, and were based on cerebrospinal fluid (CSF) amyloid β1- 42 levels of positive amyloid evaluation, as in Measured on the β-amyloid (1-42) test system or on the amyloid PET scan. Additional inclusion criteria were: (1) demonstrated abnormal memory function at screening with a Free and Cue Selective Recall Test-Recall Immediate (FCSR...

Embodiment 3

[0484] Example 3 - Exposure Response to Creizumab Supports 60 mg / kg Dose in Prodromal to Mild Alzheimer's Disease Treatment

[0485] method and objectives

[0486] For patients with milder forms of AD, the phase 2 study of creizumab demonstrated consistent therapeutic benefit at the 15 mg / kg intravenous dose, while the low 300 mg q2wk subcutaneous dose level lacked consistent therapeutic effect across endpoints, Suggesting that higher doses were associated with greater efficacy signals. In both phase 2 studies, creizumab was safe and well tolerated, supporting that the full therapeutic window has not yet been explored. A disease progression model of mild to moderate AD was established that simultaneously described longitudinal changes in the clinical endpoint ADAS-Cog and sum of CDR subitems (CDR-SB) in patients in the Phase 2 study. The model was extended to describe the effect of key demographic covariates on disease progression and the effect of creizumab on each endpoint...

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Abstract

Methods of treating Alzheimer's Disease (AD) in patients suffering from early AD, including amyloid positive patients, ApoE4 positive patients, and patients suffering from prodromal or mild AD are provided.

Description

[0001] This application is a divisional application of an invention application with a filing date of January 20, 2017, a Chinese application number of 201780007074.X, and an invention title of "High Dose Treatment for Alzheimer's Disease". [0002] Cross references to related applications [0003] This application claims U.S. Provisional Patent Application No. 62 / 281,140, ​​filed January 20, 2016, U.S. Provisional Patent Application No. 62 / 350,105, filed June 14, 2016, and U.S. Provisional Patent Application No. 62 / 350,105, filed December 7, 2016 Priority to Patent Application No. 62 / 430,852, which is hereby incorporated by reference in its entirety. [0004] field of invention [0005] A method of treating a patient suffering from Alzheimer's disease using a high dose of an antibody targeting amyloid beta is provided. [0006] Background of the invention [0007] Alzheimer's disease (AD) is the most common cause of dementia, affecting an estimated 4.5 million people in the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N33/68C12Q1/6883A61K45/06A61K39/395A61K31/519A61K31/4745A61K31/455A61K31/4418A61K31/405A61K31/185A61K31/13A61P25/28
CPCG01N33/6854G01N33/6896C12Q1/6883C07K16/18A61K45/06A61K39/3955A61K31/13A61K31/185A61K31/405A61K31/4418A61K31/455A61K31/4745A61K31/519A61P25/28G01N2333/4709G01N2800/2821C12Q2600/156A61K2039/505A61K2039/545C07K16/00A61K9/0019A61K2039/54C07K2317/24C07K2317/34C07K2317/56C07K2317/76
Inventor 吉莉安·史密斯贾尼斯·史密斯杰夫·基什内尔
Owner GENENTECH INC