Study to Evaluate DNL747 in Subjects With Alzheimer's Disease

February 25, 2020 updated by: Denali Therapeutics Inc.

A Multicenter, Randomized, Placebo-Controlled, Double-Blind, Phase 1b Study to Evaluate the Safety, Tolerability, Pharmacokinetics, and Pharmacodynamics of DNL747 in Subjects With Alzheimer's Disease

The purpose of this study is to evaluate the safety, tolerability, pharmacokinetics, and pharmacodynamics of multiple oral doses of DNL747 in subjects with Alzheimer's disease when administered for 29 days in a cross-over design

Study Overview

Status

Status

Indicates the current recruitment status or the expanded access status.
Completed

Conditions

Conditions

The disease, disorder, syndrome, illness, or injury that is being studied. On ClinicalTrials.gov, conditions may also include other health-related issues, such as lifespan, quality of life, and health risks.

Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.

Detailed Description

This is a Phase 1b randomized, placebo-controlled, double-blind, crossover study to evaluate the safety, tolerability, pharmacokinetics (PK), and pharmacodynamics (PD) of DNL747 in subjects with Alzheimer's disease (AD)

Study Type

Study Type

Describes the nature of a clinical study. Study types include interventional studies (also called clinical trials), observational studies (including patient registries), and expanded access.
Interventional

Enrollment (Actual)

Enrollment

The number of participants in a clinical study. The "anticipated" enrollment is the target number of participants that the researchers need for the study.
16

Phase

Phase

The stage of a clinical trial studying a drug or biological product, based on definitions developed by the U.S. Food and Drug Administration (FDA). The phase is based on the study's objective, the number of participants, and other characteristics. There are five phases: Early Phase 1 (formerly listed as Phase 0), Phase 1, Phase 2, Phase 3, and Phase 4. Not Applicable is used to describe trials without FDA-defined phases, including trials of devices or behavioral interventions.
  • Phase 1

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • Netherlands
      • Groningen, Netherlands, 9713
        • Clinical Site(s)
  • United States
    • Florida
      • Miami, Florida, United States, 33143
        • Clinical Site(s)
      • Orlando, Florida, United States, 32806
        • Clinical Site(s)
    • Texas
      • Dallas, Texas, United States, 75231
        • Clinical Site(s)
    • Utah
      • Salt Lake City, Utah, United States, 84124
        • Clinical Site(s)

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Eligibility Criteria

The key requirements that people who want to participate in a clinical study must meet or the characteristics they must have. Eligibility criteria consist of both inclusion criteria (which are required for a person to participate in the study) and exclusion criteria (which prevent a person from participating). Types of eligibility criteria include whether a study accepts healthy volunteers, has age or age group requirements, or is limited by sex.

Ages Eligible for Study

55 years to 85 years (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Key Inclusion Criteria:

  • Women of non-childbearing potential and men, aged 55-85 years
  • AD diagnosis based on the 2011 National Institute on Aging-Alzheimer's Association Guidelines
  • Supportive evidence for diagnosis of AD based upon positive CSF Aβ42 test, or documented history of positive amyloid-specific PET scan
  • Screening MMSE score of 16-26 points
  • Screening CDR Global Score of 0.5-1.0
  • Availability of a person ("caregiver") who, in the investigator's judgment, has frequent and sufficient contact with the participant and is able to provide accurate information regarding the participant's cognitive and functional abilities, agrees to provide information at clinic visits that require input for scale completion, assists the participant with compliance for at-home study treatment administration, and signs the necessary consent form (note: the caregiver is not required to stay in the unit)
  • Approved AD treatments (acetylcholinesterase inhibitors ± memantine) and other prescription medications must be stable for ≥1 month prior to screening and anticipated to be stable over the duration of the study

Key Exclusion Criteria:

  • Clinical history within 2 years of the screening visit or current evidence of any neurological or neurodegenerative disorder other than AD that is associated with transient or sustained alterations in cognition
  • Magnetic resonance imaging (MRI) at screening (or within 1 year of screening visit) consistent with any neurological or neurodegenerative disorder other than AD that is associated with transient or sustained alterations in cognition

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: Randomized
  • Interventional Model: Crossover Assignment
  • Masking: Double

Arms and Interventions

Participant Group / Arm

Participant Group / Arm

A group or subgroup of participants in a clinical trial that receives a specific intervention/treatment, or no intervention, according to the trial's protocol.
Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.
Experimental: DNL747 First, Placebo Second
Subjects will receive DNL747 for 29 days for the first period and then will switch to placebo for 29 days for the second period. There will be a 14-day washout period between the 2 treatment periods.
Drug: Placebo
Placebo
Drug: DNL747
DNL747
Experimental: Placebo First, DNL747 Second
Subjects will receive placebo for 29 days for the first period and then will switch to DNL747 for 29 days for the second period. There will be a 14-day washout period between the 2 treatment periods.
Drug: Placebo
Placebo
Drug: DNL747
DNL747

What is the study measuring?

Primary Outcome Measures

Primary Outcome Measures

In a clinical study's protocol, the planned outcome measure that is the most important for evaluating the effect of an intervention/treatment. Most clinical studies have one primary outcome measure, but some have more than one.
Outcome Measure
Time Frame
Number of Subjects with Treatment-Emergent Adverse Events (AEs) and Serious Adverse Events (SAEs)
Time Frame: Randomization - Day 86
Randomization - Day 86
Number of Subjects with clinically significant neurological examination abnormalities
Time Frame: Randomization - Day 86
Randomization - Day 86
Number of Subjects with laboratory test abnormalities
Time Frame: Randomization - Day 86
Randomization - Day 86

Secondary Outcome Measures

Secondary Outcome Measures

In a clinical study's protocol, a planned outcome measure that is not as important as the primary outcome measure for evaluating the effect of an intervention but is still of interest. Most clinical studies have more than one secondary outcome measure.
Outcome Measure
Time Frame
Pharmacokinetic measure of maximum observed plasma concentration (Cmax) of DNL747
Time Frame: Randomization - Day 86
Randomization - Day 86
Pharmacokinetic measure of time to reach maximum observed plasma concentration (Tmax) of DNL747
Time Frame: Randomization - Day 86
Randomization - Day 86
Pharmacokinetic measure of area under the plasma drug concentration-time curve (AUC) of DNL747
Time Frame: Randomization - Day 86
Randomization - Day 86
Pharmacokinetic terminal disposition rate constant (λz) with the respective t1/2 of DNL747
Time Frame: Randomization - Day 86
Randomization - Day 86
Pharmacokinetic measure of CSF concentrations of DNL747
Time Frame: Randomization - Day 86
Randomization - Day 86
Pharmacodynamic measure of pS166 in PBMCs
Time Frame: Randomization - Day 86
Randomization - Day 86

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Sponsor

The organization or person who initiates the study and who has authority and control over the study.
Denali Therapeutics Inc.

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

General Publications

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

Study Start

The actual date on which the first participant was enrolled in a clinical study. The "anticipated" study start date is the date that the researchers think will be the study start date.
February 13, 2019

Primary Completion (Actual)

Primary Completion

The date on which the last participant in a clinical study was examined or received an intervention to collect final data for the primary outcome measure. Whether the clinical study ended according to the protocol or was terminated does not affect this date. For clinical studies with more than one primary outcome measure with different completion dates, this term refers to the date on which data collection is completed for all the primary outcome measures. The "anticipated" primary completion date is the date that the researchers think will be the primary completion date for the study.
December 5, 2019

Study Completion (Actual)

Study Completion

The date on which the last participant in a clinical study was examined or received an intervention/treatment to collect final data for the primary outcome measures, secondary outcome measures, and adverse events (that is, the last participant's last visit). The "anticipated" study completion date is the date that the researchers think will be the study completion date.
December 5, 2019

Study Registration Dates

First Submitted

First Submitted

The date on which the study sponsor or investigator first submitted a study record to ClinicalTrials.gov. There is typically a delay of a few days between the first submitted date and the record's availability on ClinicalTrials.gov (the first posted date).
November 27, 2018

First Submitted That Met QC Criteria

First Submitted That Met QC Criteria

The date on which the study sponsor or investigator first submits a study record that is consistent with National Library of Medicine (NLM) quality control (QC) review criteria. The sponsor or investigator may need to revise and submit a study record one or more times before NLM's QC review criteria are met. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
November 27, 2018

First Posted (Actual)

First Posted

The date on which the study record was first available on ClinicalTrials.gov after National Library of Medicine (NLM) quality control (QC) review has concluded. There is typically a delay of a few days between the date the study sponsor or investigator submitted the study record and the first posted date.
November 28, 2018

Study Record Updates

Last Update Posted (Actual)

Last Update Posted

The most recent date on which changes to a study record were made available on ClinicalTrials.gov. There may be a delay between when the changes were submitted to ClinicalTrials.gov by the study's sponsor or investigator (the last update submitted date) and the last update posted date.
February 26, 2020

Last Update Submitted That Met QC Criteria

Last Update Submitted That Met QC Criteria

The most recent date on which the study sponsor or investigator submitted changes to a study record that are consistent with National Library of Medicine (NLM) quality control (QC) review criteria. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
February 25, 2020

Last Verified

Last Verified

The most recent date on which the study sponsor or investigator confirmed the information about a clinical study on ClinicalTrials.gov as accurate and current. If a study with a recruitment status of recruiting; not yet recruiting; or active, not recruiting has not been confirmed within the past 2 years, the study's recruitment status is shown as unknown.
February 1, 2020

More Information

Terms related to this study

Additional Relevant MeSH Terms

Other Study ID Numbers

Other Study ID Numbers

Identifiers or ID numbers other than the NCT number that are assigned to a clinical study by the study's sponsor, funders, or others. These numbers may include unique identifiers from other trial registries and National Institutes of Health grant numbers.
  • DNLI-D-0002

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

NO

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

Yes

Studies a U.S. FDA-regulated device product

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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