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Study to Evaluate DNL151 in Subjects With Parkinson's Disease

A Phase 1b, Multicenter, Randomized, Placebo-Controlled, Double-Blind Study to Determine the Safety, Tolerability, Pharmacokinetics, and Pharmacodynamics of DNL151 in Subjects With Parkinson's Disease

Status
Completed
Phases
Phase 1
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT04056689
Enrollment
36
Registered
2019-08-14
Start date
2019-07-23
Completion date
2020-12-02
Last updated
2023-04-18

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Parkinson's Disease

Keywords

LRRK2, Movement Disorders

Brief summary

The purpose of this study is to evaluate the safety, tolerability, pharmacokinetics, and pharmacodynamics of multiple oral doses of DNL151 in subjects with Parkinson's disease.

Detailed description

This study was previously posted by Denali Therapeutics. In July, 2022, sponsorship of the trial was transferred to Biogen.

Interventions

DRUGDNL151

Oral repeating dose

DRUGPlacebo

Oral repeating dose

Sponsors

Biogen
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
SEQUENTIAL
Primary purpose
TREATMENT
Masking
DOUBLE (Subject, Investigator)

Eligibility

Sex/Gender
ALL
Age
30 Years to 75 Years
Healthy volunteers
No

Inclusion criteria

Key Inclusion Criteria: * Body mass index (BMI) between 18 and 35.0 kg/m2, inclusive * Clinical diagnosis of Parkinson's disease meeting UK Brain Bank criteria and H&Y Stage I, II, or III. * Able to hold Parkinson's disease medications 8 hours (overnight) prior to specific study assessments Key

Exclusion criteria

* Any history of clinically significant asthma, chronic obstructive pulmonary disease, or emphysema within 5 years of screening, or other clinically significant pulmonary disease within 6 months of screening * Abnormal Vitals including Respiratory Rate, Body Temperature, Blood Pressure, and Pulse Rate * Pulmonary Function Tests (PFTs) (FVC \<60% predicted, FEV1 \<50% predicted, FEV1:FVC ratio \<0.6, DLCO \<70% predicted) * Clinically significant neurologic disorder other than Parkinson's disease, including history of stroke within 12 months of screening, cognitive impairment, seizure within 5 years of screening, or head trauma with loss of consciousness within 6 months of screening * Montreal Cognitive Assessment (MoCA) score of \<24 at screening NOTE: Other protocol defined Inclusion/

Design outcomes

Primary

MeasureTime frame
Number of Subjects with Treatment-Emergent Adverse Events (AEs) and Serious Adverse Events (SAEs)Randomization to Day 42
Number of Subjects with laboratory test abnormalitiesRandomization to Day 42
Number of Subjects with vital sign abnormalitiesRandomization to Day 42
Number of Subjects with electrocardiogram (ECG) abnormalitiesRandomization to Day 42
Number of Subjects with clinically significant neurological examination abnormalitiesRandomization to Day 42

Secondary

MeasureTime frame
Pharmacodynamic measure of pS935 in whole bloodRandomization to Day 28
Pharmacokinetic measure of maximum observed plasma concentration (Cmax) of DNL151Randomization to Day 28
Pharmacodynamic measure of pRab10 in PBMCsRandomization to Day 28
Pharmacokinetic measure of time to reach maximum observed plasma concentration (Tmax) of DNL151Randomization to Day 28
Pharmacokinetic measure of trough plasma observed concentration (Ctrough) of DNL151Randomization to Day 28
Pharmacokinetic measure of area under the plasma drug concentration-time curve (AUC) of DNL151Randomization to Day 28
Pharmacokinetic measure of CSF concentrations of DNL151Randomization to Day 28

Countries

Belgium, Netherlands, United Kingdom, United States

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 11, 2026