DEVELOPMENT STRATEGY

Our Approach

Invex is focused on the development of therapeutics to treat diseases caused by raised intracranial pressure. Elevated intracranial pressure is caused by alterations in the volume of either cerebral blood, cerebrospinal fluid (CSF), or brain tissue. CSF volume is tightly regulated and depends on the balance between CSF secretion, which is modulated predominantly by the choroid plexus, and drainage through the arachnoid granulations and lymphatics. We aim to utilise our understanding of the mechanisms that regulate pressure in the brain to repurpose an already approved drug – Exenatide – to reduce intracranial pressure in diseases such as Idiopathic Intracranial Hypertension (IIH). Invex has been granted Orphan Drug Designation for Exenatide by both European Medicines Agency (EMA) and the US Food and Drugs Agency (FDA) in IIH and holds an extensive portfolio of relevant intellectual property.

Exenatide

Exenatide is a glucagon-like peptide-1 receptor agonist approved for the treatment of type II diabetes. Invex will focus on reformulating Exenatide to deliver it in a way that enables exploitation of its previously unknown ability to reduce cerebral spinal fluid secretion in the choroid plexus of the brain. By exploiting the safety record of Exenatide and successfully solving the required reformulation challenges, Invex intends to progress expediently to clinical evaluation and undertake the registration of different formulations of Exenatide optimised to treat different neurological conditions. Work in animal models has shown that Exenatide can rapidly reduce intracranial pressure in a dose dependent manner and a Phase II study is under way in IIH with 10 of 16 patients having already completed the study.

Idiopathic Intracranial Hypertension (IIH) 

IIH is a condition of unknown cause but results from raised pressure in the brain that can result in daily headaches and loss of sight, which can be permanent.

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