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Drug Development.

Renny Abraham1, Venkatesh Goura1, Rajesh Kallepalli1

  • 1Suven Life Sciences Ltd, Hyderabad, Telangana, India.

Alzheimer'S & Dementia : the Journal of the Alzheimer'S Association
|December 25, 2025
PubMed
Summary
This summary is machine-generated.

SUVN-L3307032, a novel M4 positive allosteric modulator (PAM), shows promise for treating neuropsychiatric symptoms in Alzheimer's disease (AD). This selective M4-PAM demonstrated efficacy in preclinical models and exhibited a favorable safety profile, suggesting its potential as a new therapeutic option.

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Area of Science:

  • Neuroscience
  • Pharmacology
  • Drug Discovery

Background:

  • Neuropsychiatric symptoms (NPS) in Alzheimer's disease (AD) pose significant burdens.
  • Current treatments for NPS in AD have limited efficacy and severe side effects.
  • Novel therapeutic strategies are needed to manage NPS in AD.

Purpose of the Study:

  • To evaluate the safety and pharmacodynamic properties of SUVN-L3307032, a selective M4 positive allosteric modulator (PAM).
  • To explore the potential of SUVN-L3307032 as a treatment for NPS associated with AD.

Main Methods:

  • In vitro characterization of SUVN-L3307032's interaction with muscarinic M4 receptors.
  • Assessment of SUVN-L3307032's efficacy in preclinical models of psychosis and cognitive deficits.
  • Evaluation of receptor occupancy and preliminary toxicity in animal models.

Main Results:

  • SUVN-L3307032 demonstrated selectivity as an M4-PAM.
  • The compound attenuated behaviors associated with psychosis and reversed cognitive deficits in preclinical models.
  • Preliminary toxicity studies indicated no safety concerns for further development.

Conclusions:

  • SUVN-L3307032 exhibits potential as a novel therapeutic agent for NPS in AD.
  • Its selective M4-PAM mechanism may offer an improved safety profile compared to existing treatments.