NCT01424163

Brief Summary

This is a single and multiple dose, open-label study to evaluate the pharmacokinetics (PK), safety, and tolerability of dexpramipexole administered orally to adult Japanese and Caucasian healthy subjects.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
57

participants targeted

Target at P50-P75 for phase_1

Timeline
Completed

Started Aug 2011

Shorter than P25 for phase_1

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

July 28, 2011

Completed
4 days until next milestone

Study Start

First participant enrolled

August 1, 2011

Completed
25 days until next milestone

First Posted

Study publicly available on registry

August 26, 2011

Completed
5 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

February 1, 2012

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

February 1, 2012

Completed
Last Updated

June 22, 2021

Status Verified

November 1, 2014

Enrollment Period

6 months

First QC Date

July 28, 2011

Last Update Submit

June 16, 2021

Conditions

Outcome Measures

Primary Outcomes (2)

  • Cmax of dexpramipexole

    pre-dose and at 0.25, 0.5, 0.75, 1, 1.5, 2, 2.5, 3, 4, 6, 8, 12, 16, 24, 36, 48, and 72 hours after dosing on Days 1 and 5 in Treatments 1 and 2, and after the fifth dose on Day 11 in Treatment 3 for Parts A & B.

  • AUC of dexpramipexole

    pre-dose and at 0.25, 0.5, 0.75, 1, 1.5, 2, 2.5, 3, 4, 6, 8, 12, 16, 24, 36, 48, and 72 hours after dosing on Days 1 and 5 in Treatments 1 and 2, and after the fifth dose on Day 11 in Treatment 3 for Parts A & B.

Secondary Outcomes (4)

  • Changes in clinical laboratory tests

    pre-dose to 72 hrs post-dose in each dose group and again at follow-up (14 hrs post last dose)

  • ECG changes

    pre-dose to 72 hrs post-dose in each dose group and again at follow-up (14 hrs post last dose)

  • Vital Sign changes

    pre-dose to 72 hrs post-dose in each dose group and again at follow-up (14 hrs post last dose)

  • Adverse Event monitoring

    pre-dose to 72 hrs post-dose in each dose group and again at follow-up (14 hrs post last dose)

Study Arms (4)

Treatment 1 (Part A)

EXPERIMENTAL

Dexpramipexole single dose (reduced dose)

Drug: Single dose reduced

Treatment 2 (Part A)

EXPERIMENTAL

Dexpramipexole single dose (Standard dose)

Drug: Single dose standard

Treatment 3 (Part A)

EXPERIMENTAL

Dexpramipexole multiple dosing

Drug: Multiple Dose

Treatment for Part B

EXPERIMENTAL

Dexpramipexole multiple dosing

Drug: Multiple Dose

Interventions

Treatment 1 (Part A)

Treatment 1 (Part A)

Treatment 2 (Part A)

Treatment 2 (Part A)

Treatment 3 (Part A)

Treatment 3 (Part A)

Eligibility Criteria

Age18 Years - 60 Years
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64)

You may qualify if:

  • Subjects who are able and willing to give written informed consent.
  • Adult Japanese and Caucasian males/females aged 18 to 60 years inclusive and between 18 and 30 kg/m2 body mass index (BMI), inclusive.
  • Male and female subjects will be enrolled on the study. Male subjects and female subjects of childbearing potential, must practice effective contraception during the study and be willing and able to continue contraception for 1 month (females) or 3 months (males) after their last dose of study treatment
  • Japanese subjects must be born in Japan and have both parents and four grandparents of Japanese descent.
  • Japanese subjects must have lived outside of Japan for no more than 5 years.
  • Japanese subjects must not have significant changes with regard to diet; i.e., their diet must not have significantly changed since leaving Japan.
  • Caucasian subjects will be matched individually (on a 1:1 basis) to Japanese subjects with respect to gender and age, and if possible BMI.

You may not qualify if:

  • Female subjects who are pregnant, trying to become pregnant or lactating.
  • Subjects who have a clinically relevant history or presence of respiratory, gastrointestinal, renal, hepatic, hematological, lymphatic, neurological, cardiovascular, psychiatric, musculoskeletal, genitourinary, immunological, dermatological, connective tissue diseases or disorders.
  • Subjects who have a clinically relevant surgical history.
  • Subjects who have previously received dexpramipexole or pramipexole.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Research Site

London, United Kingdom

Location

MeSH Terms

Conditions

Amyotrophic Lateral Sclerosis

Condition Hierarchy (Ancestors)

Spinal Cord DiseasesCentral Nervous System DiseasesNervous System DiseasesMotor Neuron DiseaseNeurodegenerative DiseasesTDP-43 ProteinopathiesNeuromuscular DiseasesProteostasis DeficienciesMetabolic DiseasesNutritional and Metabolic Diseases

Study Design

Study Type
interventional
Phase
phase 1
Allocation
NON RANDOMIZED
Masking
NONE
Purpose
BASIC SCIENCE
Intervention Model
CROSSOVER
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

July 28, 2011

First Posted

August 26, 2011

Study Start

August 1, 2011

Primary Completion

February 1, 2012

Study Completion

February 1, 2012

Last Updated

June 22, 2021

Record last verified: 2014-11

Locations