Drugs / BIIB122
last change Mar 2026 re-read 2 minutes ago

BIIB122

also known as DNL151

Small molecule targets LRRK2 via inhibition

Developed for
Parkinson disease
Investigated by
Biogen · Denali Therapeutics Inc.

Trials 9 · a red edge is where a trial was stopped

PhaseRegistry idDatesIndicationSponsorStatusOutcome
Phase 16 trials
Phase 1 NCT06264440 Feb → Jun 2024 Biogen Completed No outcome recorded
Phase 1 NCT05229562 Feb → Sep 2022 Biogen Completed No outcome recorded
Phase 1 NCT05119790 Aug → Nov 2021 Biogen Completed No outcome recorded
Phase 1 NCT05005338 Jul → Sep 2021 Biogen Completed No outcome recorded
Phase 1 NCT04056689 Jul 2019 → Dec 2020 Parkinson disease Biogen Completed No outcome recorded
Phase 1 NCT04557800 Nov 2017 → Feb 2021 Denali Therapeutics Inc. Completed No outcome recorded
Phase 22 trials
Phase 2 NCT06602193 Oct 2024 → Mar 2027 expected Parkinson disease Denali Therapeutics Inc. Active not recruiting No outcome recorded
Phase 2 NCT05348785 Apr 2022 → Mar 2026 Parkinson disease Biogen Completed No outcome recorded
Phase 31 trial
Phase 3 NCT05418673 Aug 2022 → Jul 2023 Parkinson disease Biogen Terminated No outcome recorded

Evidence & citations 6 cited values

Every value below carries the sentence it was read from. 9 sources stand behind the page.

FieldValueCited text
Known as BIIB122 ClinicalTrials.gov intervention name — accepted as the source's own label NCT06602193
6

NCT05005338

NCT06264440

NCT05348785

NCT05418673

NCT05229562

NCT05119790

Known as DNL151 “The mass balance, excretion, and PK of BIIB122 (DNL151) will be used to evaluate AME.” NCT05119790
3

“BIIB122 (DNL151)” NCT05005338

NCT04056689

NCT04557800

Action Inhibit “small molecule inhibitor of leucine-rich repeat kinase 2 (LRRK2)” NCT05348785
Modality Small molecule “BIIB122 is an investigational central nervous system-penetrant small molecule inhibitor” NCT05348785
Route Oral “multiple oral doses of DNL151” NCT04056689
Target LRRK2 “inhibitor of leucine-rich repeat kinase 2 (LRRK2)” NCT05348785