Adaptive Alpha-1 Antitrypsin Administration for High-Risk Transplantation Environments

Publication ID: 24-11857610_0009_PTD
Published: October 28, 2025
Category:Specialized Variations & Niche Solutions

Legal Citation

pr1or.art Inc., “Adaptive Alpha-1 Antitrypsin Administration for High-Risk Transplantation Environments,” Published Technical Disclosure No. 24-11857610_0009_PTD, Published October 28, 2025, available at https://archive.pr1or.art/24-11857610_0009_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 adapts the original method of reducing the risk of acute graft versus host disease (aGVHD) in hematopoietic cell transplantation (HCT) patients by administering alpha-1 antitrypsin (A1AT) for specific, high-risk environments, including high-security, disaster relief, extreme weather, remote or resource-limited, and high-altitude settings.

Background and Problem Solved

The original patent disclosed methods for reducing the risk of aGVHD in HCT patients by administering A1AT. However, these methods may not be suitable for patients undergoing HCT in high-risk environments, where additional challenges and constraints may exist. This inventive concept addresses the limitations of the original patent by providing specialized variations and niche solutions for these unique settings.

Detailed Description of the Inventive Concept

The inventive concept comprises administering A1AT according to schedules optimized for high-security protocols, disaster relief settings, extreme weather conditions, remote or resource-limited settings, and high-altitude environments. For example, in a high-security environment, A1AT may be administered according to a schedule that minimizes the risk of contamination or tampering. In a disaster relief setting, A1AT may be administered in combination with at least one immunosuppressive agent to address the increased risk of aGVHD. In an extreme weather condition, the schedule of A1AT administration may be adapted to account for the patient's increased stress response. In a remote or resource-limited setting, A1AT may be administered using a portable or compact device. In a high-altitude environment, the schedule of A1AT administration may be optimized to account for the lower oxygen levels.

Novelty and Inventive Step

The inventive concept's novelty lies in its adaptation of the original method for specific, high-risk environments, which requires a deep understanding of the unique challenges and constraints of each environment. The inventive step is the development of specialized schedules and protocols for A1AT administration that address these challenges and constraints.

Alternative Embodiments and Variations

Alternative embodiments of the inventive concept may include using different formulations or dosages of A1AT, or combining A1AT with other therapeutic agents to enhance its effectiveness. Variations may include adapting the inventive concept for other high-risk medical procedures or treatments.

Potential Commercial Applications and Market

The inventive concept has significant commercial potential in the fields of transplantation medicine, disaster relief, and extreme environment medicine. The target market includes hospitals, research institutions, and government agencies involved in transplantation medicine and disaster relief efforts.

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), immunosuppressive therapies, and advanced treatment protocols for graft versus host disease (GVHD). Requires advanced medical training, understanding of immunological interventions, and expertise in therapeutic administration protocols

Person of Ordinary Skill (PHOSITA) Profile

A medical professional with advanced training in hematology, immunology, or transplant medicine, possessing knowledge of therapeutic administration, understanding of alpha-1 antitrypsin (A1AT) mechanisms, and capability to adapt medical protocols to varying clinical environments

Obviousness Rationale

A skilled practitioner would recognize that the fundamental A1AT administration method can be systematically adapted to different clinical environments by modifying dosage, delivery mechanism, and supplementary treatments while maintaining the core therapeutic objective of reducing GVHD risk. The variations represent predictable extensions of the source patent's core methodology, applying standard medical protocol optimization techniques to specific contextual challenges.

Obvious Combinations & Variations

Source Patent Element
A1AT administration schedule for HCT patients with dosage of 180 mg/kg initially and 120 mg/kg subsequently
PTD Variation
Adapting A1AT administration schedule for high-security, disaster relief, extreme weather, remote, and high-altitude environments
Obviousness Reasoning
A PHOSITA would recognize that therapeutic protocols can be contextually modified using known medical adaptation techniques, representing a predictable variation based on environmental constraints
Source Patent Element
Combination of A1AT with immunosuppressive agents like methylprednisone
PTD Variation
Administering A1AT with immunosuppressive agents specifically in disaster relief settings
Obviousness Reasoning
Combining therapeutic agents to address complex medical environments is a standard medical practice, representing an obvious extension of known treatment strategies
Source Patent Element
Standard A1AT administration for reducing GVHD risk
PTD Variation
Using portable or compact devices for A1AT administration in resource-limited settings
Obviousness Reasoning
Adapting medical device delivery mechanisms is a predictable solution for expanding treatment accessibility, representing a routine engineering design choice
Source Patent Element
Base HCT treatment protocol for managing patient physiological responses
PTD Variation
Modifying A1AT administration schedule for high-altitude environments accounting for oxygen level variations
Obviousness Reasoning
Adjusting medical protocols for physiological variations is a standard medical practice, representing an obvious technical adaptation based on known physiological principles
35 U.S.C. § 103 Summary: Based on US Patent 11857610's disclosure of alpha-1 antitrypsin administration for GVHD risk reduction, the present publication demonstrates that a person of ordinary skill in the art would find the disclosed environmental and contextual variations obvious extensions of the foundational treatment methodology, thereby rendering potential derivative claims anticipated and non-patentable under standard obviousness analysis.

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