A Phase 1, Open-label Study of the Absorption, Metabolism, and Excretion of [14C]-DNL343 Following a Single Oral Dose in Healthy Male Participants

June 17, 2024 updated by: Denali Therapeutics Inc.

A Study of the Pharmacokinetics of [14C]-DNL343 Following a Single Oral Dose in Healthy Male Participants

This is a Phase 1, open-label, nonrandomized, single-dose study in healthy male participants to investigate the absorption, metabolism and excretion of DNL343.

Study Overview

Status

Completed

Conditions

Intervention / Treatment

Study Type

Interventional

Enrollment (Actual)

7

Phase

  • 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 Contact

Study Locations

    • Wisconsin
      • Madison, Wisconsin, United States, 53704
        • Clinical Site

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

Ages Eligible for Study

  • Adult
  • Older Adult

Accepts Healthy Volunteers

Yes

Description

Inclusion Criteria:

  • Males, aged between 18 to 65 years, inclusive
  • Body mass index between 18.0 and 32.0 kg/m2
  • In good health
  • When engaging in sex with a woman of child bearing potential, both the male participant and his female partner must use highly effective contraception
  • History of a minimum of 1 bowel movement per day

Exclusion Criteria:

  • History or clinical manifestation of any clinically significant metabolic, allergic, dermatological, hepatic, renal, hematological, pulmonary, cardiovascular, gastrointestinal, neurological, respiratory, endocrine, or psychiatric disorder
  • Have a history of malignancy, except fully resected basal cell carcinoma
  • History of significant hypersensitivity, intolerance, or allergy to any drug compound, food, or other substance
  • History of stomach or intestinal surgery or resection that would potentially alter absorption and/or excretion of orally administered drugs
  • Have previously completed or withdrawn from this study or any other study investigating DNL343 and have previously received DNL343

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: N/A
  • Interventional Model: Single Group Assignment
  • Masking: None (Open Label)

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Experimental: 14C-DNL343
Single dose

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
PK Parameter: AUC0-∞
Time Frame: 28 days
The area under the concentration-time curve from time zero extrapolated to infinity (AUC0-∞) of DNL343 in plasma
28 days
PK Parameter: AUC0-tlast
Time Frame: 28 days
Area under the concentration-time curve from time zero to the last quantifiable time point (AUC0-tlast) of DNL343 in plasma
28 days
PK Parameter: Cmax
Time Frame: 28 days
Maximum observed concentration (Cmax) of DNL343 in plasma
28 days
PK Parameter: Tmax
Time Frame: 28 days
Time to maximum observed concentration (Tmax) of DNL343 in plasma
28 days
PK Parameter: t1/2
Time Frame: 28 days
Terminal elimination half-life (t1/2) of DNL343 in plasma
28 days
Total radioactivity in blood-to-plasma ratio
Time Frame: 28 days
28 days
Extent and rate of recovery of total radioactivity in urine and feces
Time Frame: 28 days
28 days
Total radioactivity in plasma and whole blood
Time Frame: 28 days
28 days

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
PK Parameter: AUC0-∞
Time Frame: 28 days
The area under the concentration-time curve from time zero extrapolated to infinity (AUC0-∞) of a DNL343 metabolite in plasma
28 days
PK Parameter: AUC0-tlast
Time Frame: 28 days
Area under the concentration-time curve from time zero to the last quantifiable time point (AUC0-tlast) of a DNL343 metabolite in plasma
28 days
PK Parameter: Cmax
Time Frame: 28 days
Maximum observed concentration (Cmax) of a DNL343 metabolite in plasma
28 days
PK Parameter: Tmax
Time Frame: 28 days
Time to maximum observed concentration (Tmax) of a DNL343 metabolite in plasma
28 days
PK Parameter: t1/2
Time Frame: 28 days
Terminal elimination half-life (t1/2) of a DNL343 metabolite in plasma
28 days
DNL343 and a DNL343 metabolite recoveries in urine
Time Frame: 28 days
28 days
Incidence, severity, and seriousness of treatment-emergent adverse events (TEAEs)
Time Frame: 28 days
28 days

Collaborators and Investigators

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

Sponsor

Investigators

  • Study Director: Ana-Claire Meyer, MD, Denali Therapeutics

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)

March 1, 2024

Primary Completion (Actual)

April 30, 2024

Study Completion (Actual)

April 30, 2024

Study Registration Dates

First Submitted

February 20, 2024

First Submitted That Met QC Criteria

February 26, 2024

First Posted (Actual)

February 28, 2024

Study Record Updates

Last Update Posted (Actual)

June 20, 2024

Last Update Submitted That Met QC Criteria

June 17, 2024

Last Verified

June 1, 2024

More Information

Terms related to this study

Other Study ID Numbers

  • DNLI-F-0009

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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