CI

At a glance

ClinicalIndex Comparison Record
Phase 2Completed· 220 enrolled
Drug / intervention
Simufilam 100 mg oral tablet +1 moredrug
Likely dose
Simufilam 100 mg oral tabletfrom record
Structured eligibility isn't available for this trial yet — see the full criteria in the Eligibility tab below.

Standardized by ClinicalIndex from the ClinicalTrials.gov record · verify against the source.

Search/NCT04388254
NCT04388254Phase 2Completed

A 12-Month, Open-Label Safety Study of Simufilam Followed by a 6-Month Randomized Withdrawal and 6 Additional Months Open-Label in Mild-to-moderate Alzheimer's Disease Patients

Cassava Sciences, Inc.·interventional·Posted May 14, 2020·Updated Apr 22, 2025

In Brief

A Phase 2 clinical trial evaluating Simufilam 100 mg oral tablet and Placebo for Alzheimer Disease. Completed, enrolled 220 participants across 17 sites in 2 countries.

Detailed Summary

A two-year safety study of simufilam (PTI-125) 100 mg oral tablets twice daily for participants of the previous simufilam studies as wells as additional new mild-to-moderate Alzheimer's disease subjects for a total of 200 participants. All participants will receive simufilam 100 mg tablets twice daily for one year, followed by a 6-month randomized, double-blind period where subjects will either continue on active treatment or be switched to placebo. The study concludes with an additional 6-month open-label treatment period. Clinic visits are every month or month and a half in the first year, and every 3 months in the second year with an additional visit at Month 13. Cognition and neuropsychiatric symptoms are evaluated.

Study Details

Study Typeinterventional
Allocation--
Masking--
Primary Purpose--
CountriesCanada, United States

Timeline

Phase 2CompletedFinished
202120222023202420252026
First PostedMay 14, 2020
Enrollment StartMar 24, 2020
Primary CompletionNov 9, 2023
TodayJul 2, 2026
Enrollment to primary: 3.6 yearsPosted 6.1 years ago

Interventions

Simufilam 100 mg oral tabletdrug

Simufilam 100 mg oral tablet for b.i.d. administration

Placebodrug

Matching placebo oral tablets