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US12599620B2 - Chronic Fatigue Syndrome Plasma Cell Inhibitor Treatment Method

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Summary

The USPTO granted Patent US12599620B2 to Vestlandets Innovasjonsselskap AS covering a method for treating chronic fatigue syndrome using inhibitory or cytotoxic agents against plasma cells. The patent also claims combinations of plasma cell-targeting agents with B-cell depleting agents or B-cell activation inhibitors. The patent application was filed on August 31, 2020, under application number 17638453, and contains 3 claims.

What changed

The USPTO granted patent protection for a therapeutic method using inhibitory or cytotoxic agents against plasma cells for the treatment of chronic fatigue syndrome. The patent also covers combination therapies pairing plasma cell inhibitors with B-cell depleting agents or B-cell activation inhibitors, as well as kit formulations containing these compounds in therapeutically effective dosages.

Patent holders and licensees gain exclusive rights to commercialize these CFS treatment methods in the United States. Pharmaceutical companies and medical researchers should review freedom-to-operate positions before developing competing plasma cell-targeted therapies for CFS. The patent's broad claims covering both singular and combination approaches may constrain development paths in this therapeutic area.

What to do next

  1. Monitor FDA requirements for downstream drug development approvals

Archived snapshot

Apr 15, 2026

GovPing captured this document from the original source. If the source has since changed or been removed, this is the text as it existed at that time.

← USPTO Patent Grants

Method for the treatment of chronic fatigue syndrome using an inhibitory or cytotoxic agent against plasma cells

Grant US12599620B2 Kind: B2 Apr 14, 2026

Assignee

Vestlandets Innovasjonsselskap AS

Inventors

Øystein Fluge, Olav Mella

Abstract

The present disclosure relates in a first aspect to a method for the treatment of chronic fatigue syndrome (CFS) comprising administering to a patient in need thereof a therapeutically effective amount of inhibitory or cytotoxic agent against plasma cells. In a further aspect, the present disclosure relates to a combination of the inhibitory or cytotoxic agent against plasma cells with a B-cell depleting agent or an inhibitor of B-cell activation in the treatment of chronic fatigue syndrome. In addition, a combination of an inhibitory or cytotoxic agent against plasma cells and B-Cell depleting agent or an inhibitor of B-cell activation are described. Said combination may be provided in form of a kit comprising suitably effective dosages of said compounds. Further, the use of the compounds or the combination in the treatment of CFS is described.

CPC Classifications

A61K 31/69 A61K 31/407 A61K 38/06 A61K 38/07 A61K 39/3955 A61K 2039/507 A61K 2039/545 A61K 2039/505 A61K 9/0019 A61K 31/675 A61K 38/05 A61K 45/06 A61K 40/4222 A61P 25/00 C07K 16/2887 G01N 2800/306

Filing Date

2020-08-31

Application No.

17638453

Claims

3

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Last updated

Classification

Agency
USPTO
Published
April 14th, 2026
Instrument
Notice
Legal weight
Binding
Stage
Final
Change scope
Minor
Document ID
US12599620B2

Who this affects

Applies to
Pharmaceutical companies Medical researchers
Industry sector
3254 Pharmaceutical Manufacturing
Activity scope
Patent examination IP licensing
Geographic scope
United States US

Taxonomy

Primary area
Intellectual Property
Operational domain
Legal
Topics
Healthcare Pharmaceuticals

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