Enhanced Alpha-1 Antitrypsin Administration for Reduced Risk of Acute Graft Versus Host Disease

Publication ID: 24-11857610_0006_PTD
Published: October 28, 2025
Category:Direct Improvements & Enhancements

Legal Citation

pr1or.art Inc., “Enhanced Alpha-1 Antitrypsin Administration for Reduced Risk of Acute Graft Versus Host Disease,” Published Technical Disclosure No. 24-11857610_0006_PTD, Published October 28, 2025, available at https://archive.pr1or.art/24-11857610_0006_PTD
This technical disclosure describes improvements that would be readily apparent to a Person Having Ordinary Skill In The Art (PHOSITA) when considered in combination with the foundational architecture disclosed in U.S. Patent No. 11,857,610.

Summary of the Inventive Concept

This inventive concept presents a suite of direct improvements and enhancements to the original patent, focusing on optimizing alpha-1 antitrypsin administration schedules, synergistic immunosuppressive agents, and real-time monitoring systems to reduce the risk of acute graft versus host disease after hematopoietic cell transplantation.

Background and Problem Solved

The original patent disclosed methods for reducing the risk of graft versus host disease in patients receiving hematopoietic cell transplantation by administering alpha-1 antitrypsin. However, the patent's limitations include the lack of personalized treatment approaches, limited understanding of synergistic immunosuppressive agents, and the need for more efficient monitoring systems. This inventive concept addresses these limitations by introducing a computer-implemented algorithm for optimizing alpha-1 antitrypsin administration schedules, synergistic immunosuppressive agents, and real-time monitoring systems.

Detailed Description of the Inventive Concept

The inventive concept comprises four main components: (1) a system for optimizing alpha-1 antitrypsin administration schedules based on patient-specific risk factors and transplant type, (2) a method for treating acute graft versus host disease by administering alpha-1 antitrypsin in combination with synergistic immunosuppressive agents, (3) a kit for reducing the risk of onset of acute graft versus host disease, and (4) a system for monitoring and adjusting alpha-1 antitrypsin administration in real-time during hematopoietic cell transplantation. The computer-implemented algorithm uses machine learning to analyze patient data and recommend personalized treatment schedules. The synergistic immunosuppressive agents are selected based on their ability to enhance the therapeutic effect of alpha-1 antitrypsin. The kit includes a pre-filled syringe containing alpha-1 antitrypsin, a patient information leaflet, and a schedule optimization software for healthcare professionals. The real-time monitoring system uses wearable devices, cloud-based data analytics, and clinician notification systems to track patient vital signs and alert healthcare professionals of potential acute graft versus host disease onset.

Novelty and Inventive Step

The inventive concept's novelty lies in the integration of machine learning algorithms, synergistic immunosuppressive agents, and real-time monitoring systems to optimize alpha-1 antitrypsin administration schedules and reduce the risk of acute graft versus host disease. The inventive step is the combination of these components to provide a personalized, efficient, and effective treatment approach that overcomes the limitations of the original patent.

Alternative Embodiments and Variations

Alternative embodiments of the inventive concept could include the use of different machine learning algorithms, additional synergistic immunosuppressive agents, or alternative monitoring systems. Variations of the kit could include different formulations of alpha-1 antitrypsin or additional patient information materials.

Potential Commercial Applications and Market

The inventive concept has significant commercial potential in the hematopoietic cell transplantation market, with potential applications in hospitals, clinics, and research institutions. The market for acute graft versus host disease treatment is growing, and this inventive concept offers a competitive advantage by providing a personalized, efficient, and effective treatment approach.

CPC Classifications

SectionClassGroup
A A61 A61K38/57
A A61 A61K35/12
A A61 A61P37/06
A A61 A61K2035/124

Field of Art

Medical biotechnology focused on hematopoietic cell transplantation (HCT) immunotherapy, specifically involving immunosuppressive treatments and graft versus host disease (GVHD) management. A PHOSITA would have advanced training in immunology, clinical pharmacology, and medical device/treatment protocol design

Person of Ordinary Skill (PHOSITA) Profile

A medical researcher or clinical immunologist with expertise in transplantation medicine, capable of understanding complex immunosuppressive protocols, biomarker analysis, and adaptive treatment strategies

Obviousness Rationale

A PHOSITA would recognize that the published technical disclosure represents predictable variations on the source patent's core method of A1AT administration for GVHD prevention. The disclosed machine learning optimization, synergistic agent combinations, and real-time monitoring represent logical extensions of the original treatment protocol that would be obvious to implement using standard medical research techniques and available technologies.

Obvious Combinations & Variations

Source Patent Element
A1AT administration schedule for reducing GVHD risk
PTD Variation
Computer-implemented algorithm for personalizing A1AT administration based on patient-specific risk factors
Obviousness Reasoning
Personalized medicine and algorithmic treatment optimization are well-established techniques in clinical research, representing a predictable application of computational methods to an existing medical protocol
Source Patent Element
Basic A1AT immunosuppressive treatment
PTD Variation
Combination of A1AT with additional immunosuppressive agents like sirolimus and tacrolimus
Obviousness Reasoning
Combining complementary immunosuppressive agents is a standard clinical approach for enhancing therapeutic effectiveness, representing a known technique in transplantation medicine
Source Patent Element
Fixed A1AT administration protocol
PTD Variation
Real-time monitoring system using wearable devices and cloud-based analytics to dynamically adjust treatment
Obviousness Reasoning
Integration of digital health monitoring with medical treatment protocols is a predictable technological evolution, utilizing standard IoT and data analytics technologies
Source Patent Element
General GVHD risk management
PTD Variation
Biomarker-based risk prediction using inflammatory cytokine panels
Obviousness Reasoning
Utilizing inflammatory markers for disease risk stratification is a well-established diagnostic technique in clinical immunology, representing a logical extension of existing medical knowledge
35 U.S.C. § 103 Summary: Based on the teachings of US Patent 11857610 and the published technical disclosure, a person of ordinary skill in the art would find the claimed variations obvious, as they represent predictable combinations of known medical research techniques with the foundational A1AT GVHD treatment protocol. The disclosed innovations constitute obvious extensions that would be readily conceived by a skilled practitioner without requiring inventive insight beyond the existing scientific understanding of immunosuppressive treatments.

Original Patent Information

Patent NumberUS 11,857,610
TitleMethods for reducing risk of onset of acute graft versus host disease after hematopoietic cell transplantation
Assignee(s)CSL Behring AG