Evaluating SPG302 for adults with mild-to-moderate Alzheimer's disease

A Phase 2, Randomized, Placebo-controlled, Double-Blind Multicenter Study to Assess the Safety, Tolerability, and Pharmacodynamics (PD) in Adult Participants With Mild-to Moderate Alzheimer's Disease (AD) Administered SPG302

Phase 2 Interventional Spinogenix · NCT06427668

This study is testing a new drug called SPG302 to see if it can safely help adults with mild-to-moderate Alzheimer's disease improve their thinking and brain function.

Quick facts

PhasePhase 2
Study typeInterventional
Enrollment24 (estimated)
Ages45 Years to 85 Years
SexAll
SponsorSpinogenix Industry-sponsored
Locations2 sites (Sydney, New South Wales and 1 other locations)
Trial IDNCT06427668 on ClinicalTrials.gov

What this trial studies

This phase 2 study aims to assess the safety, tolerability, and clinical efficacy of SPG302 in adults diagnosed with mild-to-moderate Alzheimer's disease. The study is divided into two parts: the first part is a placebo-controlled, randomized cohort that will involve daily dosing for 28-day cycles, while the second part is a randomized expansion cohort also involving daily dosing for 28-day cycles. Participants will be monitored for pharmacokinetics and pharmacodynamics to evaluate the drug's effects on cognitive function and neural connectivity.

Who should consider this trial

Good fit: Ideal candidates for this study are adults aged 45-85 with a diagnosis of mild to moderate Alzheimer's disease.

Not a fit: Patients with severe Alzheimer's disease or those with significant comorbid conditions may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could lead to improved treatment options for patients with mild-to-moderate Alzheimer's disease.

How similar studies have performed: Other studies targeting Alzheimer's disease with similar approaches have shown promise, but this specific intervention is novel.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Age 45-85
* Diagnosis of mild to moderate AD
* Clinical laboratory values within normal range or \< 1.5 times ULN
* If receiving AD-specific treatment, have been on stable dose for ≥ 3 months prior to first dose of study drug.
* Life expectancy of \>2 years
* Able and willing to provide written informed consent

Exclusion Criteria:

* Any physical or psychological condition that prohibits study completion
* Known cardiac disease
* Active or history of malignancy in the past 5 years
* Serious infection that will not be resolved by first day of study intervention.
* History of clinically significant CNS event or diagnosis in the past 5 years.
* Acute illness within 30 days of Day 1
* History of suicidal behavior or suicidal ideation
* History of chronic alcohol use or substance abuse in the last 5 years
* HIV, hepatitis B and/or hepatitis C positive
* Vaccines within 14 days
* Receipt of investigational products within 30 days
* Blood donation within 30 days
* Pregnant or breastfeeding

Where this trial is running

Sydney, New South Wales and 1 other locations

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Alzheimer Diseasesynapseneural connectivityDementia
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.