NCT03574428

Brief Summary

This is a phase I, double-blind, placebo controlled, parallel group, dose-escalating, randomised study designed to assess and compare the safety and tolerability, PK, and immunogenicity of GNbAC1 administered as a single dose at 4 different dose levels of 36, 60, 85 and 110 mg/kg.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
24

participants targeted

Target at P50-P75 for phase_1 multiple-sclerosis

Timeline
Completed

Started May 2018

Shorter than P25 for phase_1 multiple-sclerosis

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

Study Start

First participant enrolled

May 8, 2018

Completed
8 days until next milestone

First Submitted

Initial submission to the registry

May 16, 2018

Completed
2 months until next milestone

First Posted

Study publicly available on registry

July 2, 2018

Completed
4 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

November 2, 2018

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

November 2, 2018

Completed
Last Updated

October 20, 2020

Status Verified

May 1, 2019

Enrollment Period

6 months

First QC Date

May 16, 2018

Last Update Submit

October 19, 2020

Conditions

Keywords

Temelimab

Outcome Measures

Primary Outcomes (1)

  • Safety and tolerability of single ascending doses of GNbAC1 (Serious Adverse Events, Adverse Events)

    Serious Adverse Events (SAE), Adverse Events (AE)

    57 days

Secondary Outcomes (2)

  • Pharmacokinetic (PK): GNbAC1 serum concentrations over time

    57 days

  • Immunogenicity: Antibodies against GNbAC1 (ADA)

    57 days

Study Arms (4)

Cohort 1

ACTIVE COMPARATOR

GNbAC1 36 mg/kg single i.v. dose or GNbAC1 placebo

Drug: GNbAC1Other: GNbAC1 Placebo

Cohort 2

ACTIVE COMPARATOR

GNbAC1 60 mg/kg single i.v. dose or GNbAC1 placebo

Drug: GNbAC1Other: GNbAC1 Placebo

Cohort 3

ACTIVE COMPARATOR

GNbAC1 85 mg/kg single i.v. dose or GNbAC1 placebo

Drug: GNbAC1Other: GNbAC1 Placebo

Cohort 4

ACTIVE COMPARATOR

GNbAC1 110 mg/kg single i.v. dose or GNbAC1 placebo

Drug: GNbAC1Other: GNbAC1 Placebo

Interventions

GNbAC1DRUG

Monoclonal Antibody infused i.v.

Cohort 1Cohort 2Cohort 3Cohort 4

Equivalent to GNbAC1 Buffer

Cohort 1Cohort 2Cohort 3Cohort 4

Eligibility Criteria

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

You may qualify if:

  • Healthy male volunteers
  • Negative urine drug screen
  • Have signed the informed consent.

You may not qualify if:

  • History of serious adverse reactions or hypersensitivity to any drug.
  • Use of any prescription medication within 30 days prior to the administration of investigational product and/or non-prescription medication (including herbal and natural remedies, homeopathy, vitamins, and minerals) within 7 days prior to the administration of investigational product or anticipated use of any concomitant medication during the study. Permissible exceptions are paracetamol up to 4g/day ceasing a minimum of 12 hours prior to infusion and Ibuprofen up to 1.2g/day ceasing a minimum of 24 hours prior to infusion. Paracetamol and ibuprofen are allowed during the study, but only 24 hours after completion of the administration of investigational product.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Scientia Clinical Research Ltd

Sydney, New South Wales, 2031, Australia

Location

Related Publications (1)

  • Porchet H, Vidal V, Kornmann G, Malpass S, Curtin F. A High-dose Pharmacokinetic Study of a New IgG4 Monoclonal Antibody Temelimab/GNbAC1 Antagonist of an Endogenous Retroviral Protein pHERV-W Env. Clin Ther. 2019 Sep;41(9):1737-1746. doi: 10.1016/j.clinthera.2019.05.020. Epub 2019 Jul 13.

MeSH Terms

Conditions

Multiple Sclerosis

Interventions

temelimab

Condition Hierarchy (Ancestors)

Demyelinating Autoimmune Diseases, CNSAutoimmune Diseases of the Nervous SystemNervous System DiseasesDemyelinating DiseasesAutoimmune DiseasesImmune System Diseases

Study Design

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

Study Record Dates

First Submitted

May 16, 2018

First Posted

July 2, 2018

Study Start

May 8, 2018

Primary Completion

November 2, 2018

Study Completion

November 2, 2018

Last Updated

October 20, 2020

Record last verified: 2019-05

Locations