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T3D Therapeutics has an exclusive, worldwide license for T3D-959 and structurally-related small molecules from Bayer. Their mechanism of action may provide therapeutic benefit in neurodegenerative diseases such as Alzheimer’s Disease (AD) and mild cognitive impairment (MCI), as well as nonalcoholic steatohepatitis (NASH).

Lead compound T3D-959 is in active development as a potentially disease-modifying, orally-delivered, once-a-day medicine for Alzheimer’s disease patients with mild to moderate disease severity and potentially for patients with mild cognitive impairment (MCI). .

T3D Pipeline

About T3D-959

T3D-959 is an investigational new drug candidate and is not approved for any indication in any markets.

Preclinical studies in an experimental rat model of sporadic Alzheimer’s disease, demonstrated that T3D-959 abrogated or reduced most of the AD neuropathological and biomarker abnormalities. View Publication >>  These results support our belief that T3D-959 may have the ability to improve the multiple abnormalities caused by Alzheimer’s disease and the potential for reversing the course of disease.

Phase 1 studies in 96 normal subjects dosed up to 7 days showed no drug-related adverse events and a maximum tolerated dose greater than 200mg (more than 2x the highest dose tested in Phase 2a), suggestive of a favorable safety and tolerability profile. Pharmacokinetics once-a-day oral dosing (Ref. 34).

A Phase 2a exploratory / feasibility trial in mild to moderate Alzheimer’s disease’s patients has successfully concluded. The 34 subjects in this non-placebo controlled study received, on a randomized basis, one of 4 different doses of T3D-959 given orally once-a-day for 14 days.  Additionally, four completers participated in a 22-week open-label extension study.

Results from this Phase 2a feasibility study showed:

  • Potential improvement in cognition.
  • Potential to improve motor function / coordination.
  • Drug penetration into the human brain.
  • Target engagement in the brain.
  • High safety potential
  • A probable low dose range for effectiveness.
  • A potential patient enrichment strategy for future studies.
  • Rationale for progressing into a randomized,double-blind, placebo-controlled study.

View CTAD Presentation >>

Planning is in progress for a Phase 2b multi-center, double-blind, placebo-controlled study to evaluate the safety, tolerability, and efficacy of T3D-959 in patients with mild to moderate Alzheimer’s disease.

T3D-959 Mechanism of Action

T3D-959 activates two nuclear receptors that are central regulators of normal glucose and lipid metabolism in the brain. T3D-959 is orally-delivered as a once-a-day medicine.

T3D-959 is the first PPAR delta-activating compound to be developed for the treatment of Alzheimer’s disease (AD). Uniquely, this drug also activates PPAR gamma, albeit at 15-fold lower potency, which may provide potential additive or synergistic effects in regulating dysfunctional brain glucose energy and lipid metabolism in AD.

Both PPAR delta and PPAR gamma targets are central regulators of glucose and lipid metabolism. Agonism (activation) of both receptors maintains metabolic homeostasis in similar and different ways. PPAR delta is highly expressed throughout the central nervous system (CNS) and enriched in areas of the brain involved in energy homeostasis, e.g. the mediobasal hypothalamus.

T3D-959 Use in Other Neurodegenerative Diseases

The mechanism of action of T3D-959 provides a potential to improve dysfunctional glucose and lipid metabolism that is inherent in other neurodegenerative diseases, including certain orphan diseases.

T3D-959 Potential in NASH

Non‐alcoholic fatty liver disease (NAFLD) is associated with excessive fat in the liver (steatosis) and can progress to non‐alcoholic steatohepatitis (NASH), which is defined by the histologic hallmarks of inflammation, cell death, and fibrosis. Primary NASH is associated with insulin resistance. NASH is one of the most common liver diseases and is the third leading cause of liver transplants in the US.

In Phase 1 studies involving normal individuals T3D‐959 treatment caused a dose‐dependent increase in adiponectin. Adiponectin decreases hepatic insulin resistance and attenuates the steatosis and fibrosis in NASH.