NCT05396235

Brief Summary

The purpose of this study is to investigate the safety, tolerability, and pharmacokinetics when MT-3921 or a placebo is intravenously given to Japanese healthy adult male subjects

Trial Health

87
On Track

Trial Health Score

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

Enrollment
10

participants targeted

Target at below P25 for phase_1

Timeline
Completed

Started Aug 2022

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

May 22, 2022

Completed
9 days until next milestone

First Posted

Study publicly available on registry

May 31, 2022

Completed
2 months until next milestone

Study Start

First participant enrolled

August 3, 2022

Completed
5 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 24, 2022

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

December 24, 2022

Completed
Last Updated

January 18, 2023

Status Verified

January 1, 2023

Enrollment Period

5 months

First QC Date

May 22, 2022

Last Update Submit

January 16, 2023

Conditions

Outcome Measures

Primary Outcomes (3)

  • Percentage of subjects with adverse events

    16 weeks

  • Percentage of subjects with adverse reactions

    16 weeks

  • Time course of serum concentrations of MT-3921

    Day 1, 2, 3, 4, 8, 15, 29, 57, 85, and 113.

Study Arms (2)

MT-3921

EXPERIMENTAL

Intravenous (IV)

Biological: MT-3921

Placebo

PLACEBO COMPARATOR

Intravenous (IV)

Biological: Placebo

Interventions

MT-3921BIOLOGICAL

Solution for infusion; Intravenous (IV)

Also known as: Unasnemab
MT-3921
PlaceboBIOLOGICAL

Solution for infusion; Intravenous (IV)

Placebo

Eligibility Criteria

Age18 Years - 55 Years
Sexmale
Healthy VolunteersYes
Age GroupsAdult (18-64)

You may qualify if:

  • Japanese healthy adult males
  • Subjects aged between 18 and 55 years inclusive at the time of informed consent
  • Subjects with a full understanding of the nature of this study who have consented in writing to participate in the study

You may not qualify if:

  • Subjects with or having a history or treatment history of disorders, including cardiac, hepatic, renal, gastrointestinal, respiratory, neuropsychiatric, hematopoietic, or endocrine system disorder, who are judged by the investigator (or subinvestigator) to be unfit for study participation
  • Subjects with a history of drug or food allergies, including anaphylaxis or significant allergic reactions
  • Subjects with a body mass index (BMI) of less than 18.5 kg/m\^2 or greater than 25 kg/m\^2 at the time of screening or Day -1 or those with a body weight of less than 50 kg or greater than 80 kg
  • Subjects who have donated blood or from whom blood samples have been collected in a total amount of 400 mL or more within 12 weeks prior to informed consent, 200 mL or more within 4 weeks prior to informed consent, or 800 mL or more within 1 year prior to informed consent
  • Subjects who have donated blood component or platelet apheresis within 2 weeks prior to informed consent
  • Subjects with or having a history of drug dependence or alcohol dependence
  • Subjects with clinically significant abnormalities on a 12-lead ECG, with a Fridericia-corrected QT (QTcF) interval of ≥450 msec, or with clinically significant abnormalities on an auscultation
  • Subjects with a positive result for hepatitis B virus surface (HBs) antigen, serological test for syphilis, hepatitis C virus (HCV) antibody, or human immunodeficiency virus (HIV) antigen/antibody at screening
  • Subjects with a positive polymerase chain reaction (PCR) test for Coronavirus disease 2019 (COVID-19)
  • Subjects with a family history of sudden death
  • Subjects who answered "yes" to any of the items of suicide ideation or suicide attempts in the Columbia Suicide Rating Scale (C-SSRS) assessment in the screening period
  • Subjects who do not agree to practice contraception during the study period
  • Subjects who have previously received anti-RGMa antibodies, including this investigational product
  • Subjects who have participated in other clinical studies and received other investigational products within 12 weeks before informed consent
  • Subjects who have used any drug other than the investigational product in the period within 7 days before the start of investigational product administration or 5 times the half-life of the drug, whichever is longer

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Clinical Research Hospital Tokyo

Shinjuku-ku, Tokyo, 162-0053, Japan

Location

Study Officials

  • General Manager

    Tanabe Pharma Corporation

    STUDY DIRECTOR

Study Design

Study Type
interventional
Phase
phase 1
Allocation
RANDOMIZED
Masking
QUADRUPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
OTHER
Intervention Model
PARALLEL
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

May 22, 2022

First Posted

May 31, 2022

Study Start

August 3, 2022

Primary Completion

December 24, 2022

Study Completion

December 24, 2022

Last Updated

January 18, 2023

Record last verified: 2023-01

Data Sharing

IPD Sharing
Will not share

Locations