NCT06427668 · Phase 2 · ACTIVE NOT RECRUITING

Study of SPG302 in Adult Participants With Mild-to-Moderate Alzheimer's Disease (AD)

This trial is testing a drug called SPG302 against a placebo in adults who already have mild-to-moderate Alzheimer's. Researchers are looking at safety, side effects, how the body processes the drug, and whether it affects symptoms. It is a Phase 2 trial, which tests early safety and whether it may work. It is not proven or approved.

You may qualify if

  • 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

You're excluded if

  • 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

The sponsor's own eligibility wording, lightly reformatted. The study team makes the final eligibility decision — worth discussing with your doctor.

Eligibility criteria as of 2025-08-17

View full record on ClinicalTrials.gov

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