Drugs / ZANDATRIGINE
last change Nov 2025 re-read 3 minutes ago

ZANDATRIGINE

also known as NBI-921352 · XEN901 · Zandatrigina

Small molecule targets SCN8A via inhibition

Developed for
developmental and epileptic encephalopathy, 13 · focal epilepsy
Investigated by
Neurocrine Biosciences · Xenon Pharmaceuticals Inc.

Trials 5

PhaseRegistry idDatesIndicationSponsorStatusOutcome
Phase 11 trial
Phase 1 NCT03467100 Feb → Dec 2018 — Xenon Pharmaceuticals Inc. Completed No outcome recorded
Phase 24 trials · 1 missed
Phase 2 NCT05493293 Nov 2022 → Mar 2024 focal epilepsy Neurocrine Biosciences Terminated No outcome recorded
Phase 2 NCT05226780 Jul 2022 → Nov 2025 developmental and epileptic encephalopathy, 13 Neurocrine Biosciences Terminated No outcome recorded Stop: Business
Phase 2 NCT04873869 Jan 2022 → Mar 2023 developmental and epileptic encephalopathy, 13 Neurocrine Biosciences Terminated No outcome recorded Stop: Business
Phase 2 NCT05159908 Nov 2021 → Aug 2023 focal epilepsy Neurocrine Biosciences Completed Missed primary

News releases announcing trial results or a regulatory action · 8

DateIssuerRelease
2023-11-09 Xenon Pharmaceuticals Inc. Results Xenon Pharmaceuticals Provides Update on Partnered Program with Neurocrine Biosciences xenon-pharma.com ↗
Neurocrine Biosciences, Inc., reported today that the Phase 2 clinical trial evaluating NBI-921352 in adult patients with focal onset seizures (FOS) failed to demonstrate meaningful reduction in seizure frequency.
2022-01-12 Xenon Pharmaceuticals Inc. Regulatory Xenon Pharmaceuticals Announces Collaboration with Neurocrine Biosciences Achieves $15.0 Million Regulatory Milestone xenon-pharma.com ↗
With the acceptance of this protocol amendment, children over the age of two can now be included in the ongoing Phase 2 clinical trial evaluating NBI-921352 as a treatment of SCN8A-DEE.
2021-09-08 Xenon Pharmaceuticals Inc. Regulatory Xenon Pharmaceuticals Announces Collaboration with Neurocrine Biosciences Achieves $10.0 Million Regulatory Milestone xenon-pharma.com ↗
2020-10-08 Neurocrine Biosciences Regulatory Neurocrine Biosciences and Xenon Pharmaceuticals Provide Regulatory Update on Ongoing Collaboration to Develop First-In-Class Treatment for Epilepsy gcs-web.com ↗
As part of its review of the IND, the FDA is requesting additional non-clinical data to support dose justification in this pediatric study.
2020-10-08 Xenon Pharmaceuticals Inc. Regulatory Neurocrine Biosciences and Xenon Pharmaceuticals Provide Regulatory Update on Ongoing Collaboration to Develop First-In-Class Treatment for Epilepsy xenon-pharma.com ↗
As part of its review of the IND, the FDA is requesting additional non-clinical data to support dose justification in this pediatric study.
2018-12-03 Xenon Pharmaceuticals Inc. Results Xenon Announces Final Results of XEN1101 Phase 1 Clinical Trial and Update on XEN901 Phase 1 Clinical Trial at the American Epilepsy Society (AES) Annual Meeting xenon-pharma.com ↗
Xenon announced final results from its XEN1101 Phase 1 clinical trial and the related transcranial magnetic stimulation (TMS) studies, along with interim results from its XEN901 Phase 1 clinical trial, in posters at the American Epilepsy Society (AES) Annual Meeting held in New Orleans, LA.
2018-05-15 Xenon Pharmaceuticals Inc. Results Xenon Presents XEN901 Phase 1 Clinical Update and Supporting Pre-clinical Data at 14th Eilat Conference xenon-pharma.com ↗
2017-12-04 Xenon Pharmaceuticals Inc. Results Positive Preclinical Data from Xenon’s XEN901 Epilepsy Program to be Presented at the 71st American Epilepsy Society Annual Meeting xenon-pharma.com ↗
Data Suggest Xenon’s Selective Nav1.6 Sodium Channel Inhibitor, XEN901, Provides Efficacy with a Potentially Improved Safety Profile over Other Non-Selective, Sodium Channel Blocker Anti-Epileptic Drugs (AEDs)

All press releases naming this drug 10 releases

DateIssuerRelease

Evidence & citations 8 cited values

Every value below carries the sentence it was read from. 6 sources stand behind the page.

FieldValueCited text
Known as ZANDATRIGINE ChEMBL registry synonym — accepted as the source's own label CHEMBL4650313 ↗
Known as NBI-921352 ClinicalTrials.gov intervention name — accepted as the source's own label NCT05159908 ↗
3

NCT05226780 ↗

NCT05493293 ↗

NCT04873869 ↗

Known as XEN901 ClinicalTrials.gov intervention name — accepted as the source's own label NCT03467100 ↗
Known as Zandatrigina ChEMBL registry synonym — accepted as the source's own label CHEMBL4650313 ↗
Action Inhibit “Sodium channel protein type VIII alpha subunit inhibitor” CHEMBL4650313 ↗
Modality Small molecule — CHEMBL4650313 ↗
Route Oral “Single oral dose for each cohort” NCT03467100 ↗
Target SCN8A “Sodium channel protein type VIII alpha subunit inhibitor” CHEMBL4650313 ↗