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Completed Phase 1 Interventional Accepts healthy volunteers Results available

First in Human Study to Assess Safety of VIS649 in Healthy Subjects

ClinicalTrials.gov ID: NCT03719443

Public ClinicalTrials.gov record NCT03719443. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Sep 5, 2026, 5:22 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

A Phase 1, Randomized, Placebo-Controlled, Single Ascending Dose First-in-Human Study to Assess the Safety, Tolerability, Pharmacokinetics and Pharmacodynamics of VIS649 Administered Intravenously in Healthy Subjects

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

This is a phase 1, randomized, placebo-controlled, double-blind, single ascending dose study of IV VIS649 in healthy subjects. VIS649 is a monoclonal immunoglobulin G2 (IgG2) antibody targeting the B-cell growth factor APRILL. The study will enroll up to 45 subjects and will be conducted in up to 5 sequential dosing cohorts at four different dose levels, enrolling 9 subjects per cohort. Subjects will be randomized to VIS649 or placebo in a ratio of 7:2 (7 active, 2 placebo). Safety, pharmacokinetic (PK) and pharmacodynamic (PD) data from the initial cohorts will be assessed.

Study identification

NCT ID
NCT03719443
Recruitment status
Completed
Study type
Interventional
Phase
Phase 1
Enrollment
51 participants

Conditions and interventions

Eligibility (public fields only)

Age range
18 Years to 55 Years
Sex
All
Healthy volunteers
Accepts healthy volunteers

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Oct 8, 2018
Primary completion
Aug 9, 2019
Completion
Aug 9, 2019
Last update posted
Apr 30, 2026

2018 – 2019

United States locations

U.S. sites
1
U.S. states
1
U.S. cities
1
Facility City State ZIP Site status
California Clinical Trials Medical Group Glendale California 91206

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT03719443, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Apr 30, 2026 · Synced Sep 5, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT03719443 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →