← Back to Search

Virus Therapy

Dosage-Escalation Study of the Safety and Immunogenicity of a Novel Rabies Vaccine ChAd155-RG vs. the Comparator RABAVERT Vaccine in Healthy Adult Subjects

Phase 1
Waitlist Available
Research Sponsored by National Institute of Allergy and Infectious Diseases (NIAID)
Eligibility Criteria Checklist
Specific guidelines that determine who can or cannot participate in a clinical trial
Must have
Be between 18 and 65 years old
Timeline
Screening 3 weeks
Treatment Varies
Follow Up day 1, day 8, day 15, day 22, day 29, day 91, day 181, and day 381

Summary

This trial is testing a new rabies vaccine, ChAd155-RG, on healthy adults who have never had a rabies vaccine. It compares this new vaccine to an existing one called RABAVERT. The new vaccine works by using a harmless virus to help the body recognize and fight rabies.

Eligible Conditions
  • Rabies
  • Rabies Vaccine
  • Post-Exposure Prophylaxis

Timeline

Screening ~ 3 weeks
Treatment ~ Varies
Follow Up ~day 1, day 8, day 15, day 22, day 29, day 91, day 181, and day 381
This trial's timeline: 3 weeks for screening, Varies for treatment, and day 1, day 8, day 15, day 22, day 29, day 91, day 181, and day 381 for reporting.

Treatment Details

Study Objectives

Study objectives can provide a clearer picture of what you can expect from a treatment.
Primary study objectives
Number and Percentage of Participants With New Onset of a Chronic Medical Condition in Each Treatment Arm and Overall
Number and Percentage of Participants With Serious Adverse Events (SAEs) Considered Study Vaccine-Related in Each Treatment Arm and Overall
Number and Percentage of Participants With Serious Adverse Events (SAEs) in Each Treatment Arm and Overall
+4 more
Secondary study objectives
Peak Rabies VNA Geometric Mean Titer
Percentage of Participants Seroconverting to Rabies Virus in Each Treatment Arm and Overall
Rabies VNA Geometric Mean Titer

Side effects data

From 2023 Phase 1 trial • 50 Patients • NCT04019444
64%
Headache
64%
Vaccination site pain
57%
Fatigue
43%
Malaise
36%
Feeling of body temperature change
29%
White blood cell count decreased
29%
Myalgia
21%
Nausea
21%
Arthralgia
14%
Neutrophil count decreased
14%
Vaccination site erythema
7%
Haemoglobin decreased
7%
Gastroenteritis
7%
Aspartate aminotransferase increased
7%
Lymphocyte count decreased
7%
Upper respiratory tract infection
7%
Pyrexia
7%
Blood pressure diastolic increased
7%
Blood pressure systolic increased
7%
Platelet count increased
7%
Hypoglycaemia
100%
80%
60%
40%
20%
0%
Study treatment Arm
Low Dose ChAd155-RG
High Dose ChAd155-RG (x1)
High Dose ChAd155-RG (x2)
RABAVERT

Trial Design

4Treatment groups
Experimental Treatment
Active Control
Group I: Arm CExperimental Treatment2 Interventions
Two doses (1 ml (1x10\^11 vp) each) of ChAd155-RG vaccine administered intramuscularly on Day 1 (first dose) and Day 15 (second dose), and 1 ml of matching placebo administered intramuscularly on Days 8 and 22. N=10
Group II: Arm BExperimental Treatment2 Interventions
One dose (1 ml (1x10\^11 vp)) of ChAd155-RG vaccine administered intramuscularly on Day 1, and 1 ml of matching placebo administered intramuscularly on Days 8, 15, 22. N=14 (3 sentinel, 11 non-sentinel)
Group III: Arm AExperimental Treatment2 Interventions
One dose (1 ml (5x10\^10 vp)) of ChAd155-RG vaccine administered intramuscularly on Day 1, and 1 ml of matching placebo administered intramuscularly on Days 8, 15, 22. N=14 (3 sentinel, 11 non-sentinel)
Group IV: Arm DActive Control2 Interventions
Three doses (1 ml each) of RABAVERT vaccine administered intramuscularly on Day 1 (first dose), Day 8 (second dose), and Day 22 (third dose), and 1 ml of matching placebo administered intramuscularly on Day 15. N=12 (2 sentinel, 10 non-sentinel)
Treatment
First Studied
Drug Approval Stage
How many patients have taken this drug
ChAd155-RG
2019
Completed Phase 1
~50

Find a Location

Logistics

Participation is compensated

You will be compensated for participating in this trial.

Who is running the clinical trial?

National Institute of Allergy and Infectious Diseases (NIAID)Lead Sponsor
3,336 Previous Clinical Trials
5,382,784 Total Patients Enrolled

Media Library

ChAd155-RG (Virus Therapy) Clinical Trial Eligibility Overview. Trial Name: NCT04019444 — Phase 1
Rabies Research Study Groups: Arm B, Arm D, Arm A, Arm C
Rabies Clinical Trial 2023: ChAd155-RG Highlights & Side Effects. Trial Name: NCT04019444 — Phase 1
ChAd155-RG (Virus Therapy) 2023 Treatment Timeline for Medical Study. Trial Name: NCT04019444 — Phase 1
~8 spots leftby Dec 2025