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Additional 6-Month Safety Follow-up After Completion of Precursor Study 880801

Open-label Phase 3b Study to Investigate the Safety of Ross River Virus (RRV) Vaccine From 6 to 12 Months After the Third Vaccination in Healthy Adults (Follow up to Precursor Study 880801)

Status
Completed
Phases
Phase 3
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT01604746
Enrollment
1146
Registered
2012-05-24
Start date
2012-07-31
Completion date
2013-04-30
Last updated
2015-10-09

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Prophylaxis of Ross River Virus Infection

Brief summary

The purpose of this study is to verify the long-term safety of a 2.5 µg, adjuvanted (aluminium hydroxide) dose of Ross River Virus (RRV) vaccine.

Interventions

BIOLOGICALRoss River Virus (RRV) Vaccine

Not applicable, no vaccine will be administered in this study. The RRV vaccine was administered in the precursor study.

Sponsors

Alachua Government Services, Inc.
Lead SponsorINDUSTRY

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
PREVENTION
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
16 Years to No maximum
Healthy volunteers
Yes

Inclusion criteria

Subjects who participated in precursor Study 880801 and meet all of the following criteria: * Subject received 3 RRV vaccinations in Study 880801 * Subject has completed Visit 6 in Study 880801 * Subject and, if applicable, subject´s parent(s)/legal guardian(s), understand the nature of the study and its procedures, agree to its provisions and provide written informed consent prior to study entry * Subject provides written assent according to his/her age, if applicable

Exclusion criteria

* Subject has participated in another clinical study other than Study 880801 involving an investigational product (IP) or investigational device within 30 days prior to enrollment or is scheduled to participate in another clinical study involving an IP or investigational device during the course of this study

Design outcomes

Primary

MeasureTime frameDescription
Incidence of SAEs and AESI, such as arthritis, Guillain Barré Syndrome (GBS), encephalitis, convulsions, Bell´s palsy, neuritis, vasculitis, demyelinating disorders (ADEM and myelitis) and vaccination failure12 months after the third vaccination administered in precursor study 880801SAE = Serious adverse event, AESI = Adverse event of special interest

Countries

Australia

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026