Drugs / Simufilam

Regulatory milestones approvals, filings & regulatory actions · 1 recorded

MilestoneJurisdictionBrandIndicationDateSentence it was read from
Clinical hold US (FDA) — epilepsy, early-onset —

“requests for additional information from the U.S. Food and Drug Administration (FDA) concerning the full clinical hold on our investigational new drug application (IND) for...” filanatx.com ↗

“full clinical hold on our investigational new drug application (IND) for simufilam in TSC-related epilepsy” filanatx.com ↗

Trials 9

PhaseRegistry idDatesIndicationSponsorStatusOutcome
Phase 12 trials
Phase 1 NCT06390410 Jun → Dec 2024 liver disorder Cassava Sciences, Inc. Completed No outcome recorded
Phase 1 NCT06195319 Feb → Mar 2024 — Cassava Sciences, Inc. Completed No outcome recorded
Phase 24 trials
Phase 2 NCT05352763 May 2022 → Dec 2024 Alzheimer disease Cassava Sciences, Inc. Terminated No outcome recorded Stop: Business
Phase 2 NCT04388254 Mar 2020 → Nov 2023 Alzheimer disease Cassava Sciences, Inc. Completed No outcome recorded
Phase 2 NCT04079803 Sep 2019 → Mar 2020 Alzheimer disease Cassava Sciences, Inc. Completed Mixed
Phase 2 NCT03748706 Mar → May 2019 Alzheimer disease Pain Therapeutics Completed No outcome recorded
Phase 33 trials · 2 missed
Phase 3 NCT05575076 Nov 2022 → Jan 2025 Alzheimer disease Cassava Sciences, Inc. Terminated No outcome recorded Stop: Business
Phase 3 NCT05026177 Nov 2021 → Dec 2024 Alzheimer disease Cassava Sciences, Inc. Terminated Missed primary Stop: Business
Phase 3 NCT04994483 Nov 2021 → Oct 2024 Alzheimer disease Cassava Sciences, Inc. Completed Missed primary
Comparator or background therapy1 trial
Phase 1 NCT03784300 Comparator Aug → Oct 2017 early-onset autosomal dominant Alzheimer disease Pain Therapeutics Completed No outcome recorded

News releases announcing trial results or a regulatory action · 5

DateIssuerRelease
2026-04-15 Pain Therapeutics Results Filana Therapeutics Announces Publication in Epilepsia of Preclinical Simufilam Data filanatx.com ↗
today announced publication in Epilepsia of preclinical data showing that simufilam attenuated seizure progression in a well-accepted mouse model of severe TSC-related epilepsy 1 .
2026-01-13 Pain Therapeutics Results Cassava Announces Publication of Peer-Reviewed Phase 3 Results for Simufilam in Alzheimer’s Disease in the Journal of Prevention of Alzheimer’s Disease filanatx.com ↗
While, as previously disclosed, the two studies did not meet their pre-specified co-primary, secondary, or exploratory biomarker endpoints, exploratory post-hoc analysis of the studies offers informative insights.
2025-08-04 Pain Therapeutics Results Cassava Sciences Reports Positive Preclinical Study Evaluating Simufilam for TSC-Related Epilepsy filanatx.com ↗
today reported positive preclinical results of a study evaluating simufilam in a well-accepted mouse model of tuberous sclerosis complex (TSC)-related epilepsy.
2025-06-30 Pain Therapeutics Results Cassava Presents Promising Preclinical Simufilam Data at TSC Alliance Meeting filanatx.com ↗
Treatment with simufilam alleviated neuronal abnormalities and reduced seizure frequency by 60% compared to vehicle in a mouse model of focal onset seizures.
2025-03-25 Pain Therapeutics Results Cassava Sciences Reports Topline Phase 3 REFOCUS-ALZ Data filanatx.com ↗
Topline data indicate that REFOCUS-ALZ did not meet each of the prespecified co-primary, secondary and exploratory biomarker endpoints.

Evidence & citations 15 cited values

Every value below carries the sentence it was read from. 11 sources stand behind the page.

FieldValueCited text
Known as Simufilam “Simufilam (PTI-125) 100 mg oral tablets administered twice daily (BID)” NCT03748706 ↗
8

NCT06390410 ↗

NCT05026177 ↗

NCT05352763 ↗

NCT05575076 ↗

NCT06195319 ↗

NCT04994483 ↗

NCT04079803 ↗

NCT04388254 ↗

Known as C-0105 ChEMBL registry synonym — accepted as the source's own label CHEMBL4650230 ↗
Known as C0105M ChEMBL registry synonym — accepted as the source's own label CHEMBL4650230 ↗
Known as Filora ChEMBL registry synonym — accepted as the source's own label CHEMBL4650230 ↗
Known as PTI-125 “Simufilam (PTI-125) 100 mg oral tablets administered twice daily (BID)” NCT03748706 ↗
1

NCT03784300 ↗

Known as PTI-125 DIHYDROCHLORIDE MONOHYDRATE ChEMBL registry synonym — accepted as the source's own label CHEMBL4650230 ↗
Known as PTI-125 hydrochloride ChEMBL registry synonym — accepted as the source's own label CHEMBL4650230 ↗
Known as PTI-910 ChEMBL registry synonym — accepted as the source's own label CHEMBL4650230 ↗
Known as PTI-910 DIHYDROCHLORIDE MONOHYDRATE ChEMBL registry synonym — accepted as the source's own label CHEMBL4650230 ↗
Known as PTI-910 hydrochloride ChEMBL registry synonym — accepted as the source's own label CHEMBL4650230 ↗
Known as SIMUFILAM HYDROCHLORIDE ChEMBL registry synonym — accepted as the source's own label CHEMBL4650230 ↗
Action Activate “Filamin-A positive modulator” CHEMBL4650230 ↗
Modality Small molecule — CHEMBL4650230 ↗
Route Oral “100 mg oral tablets administered twice daily (BID)” NCT03748706 ↗
Target FLNA “Filamin-A positive modulator” CHEMBL4650230 ↗