NCT03535779

Brief Summary

This study is an exploratory single site sample collection study at St Mary's hospital campus, Imperial College London. Sixteen participants scheduled to receive routine immunizations for Td/IPV (group 1) and HBsAg (group 2) will be recruited overall. Eights participants will be allocated to group 1 and eights participants to group 2 depending on their immunisation regime.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
16

participants targeted

Target at below P25 for all trials

Timeline
Completed

Started Mar 2017

Shorter than P25 for all trials

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

March 6, 2017

Completed
3 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

June 15, 2017

Completed
9 months until next milestone

Study Completion

Last participant's last visit for all outcomes

March 13, 2018

Completed
2 months until next milestone

First Submitted

Initial submission to the registry

May 14, 2018

Completed
10 days until next milestone

First Posted

Study publicly available on registry

May 24, 2018

Completed
Last Updated

June 20, 2018

Status Verified

June 1, 2018

Enrollment Period

3 months

First QC Date

May 14, 2018

Last Update Submit

June 18, 2018

Conditions

Outcome Measures

Primary Outcomes (1)

  • Memory B Cells

    The primary endpoint will measure the proportion responding B cells in one of four memory B cell subsets (defined by differential expression of CD27, IgD and IgM markers) raised in response to HBsAg and Td/IPV vaccination.

    12 months

Study Arms (2)

Group 1

Healthy volunteers receiving Tetanus (Td/IVP) vaccine were enrolled onto the study for 1 month with no additional follow up visits.

Biological: Tetanus Toxoid

Group 2

Healthy volunteers receiving the Hepatitis B (HBsAg) vaccine were enrolled onto the study for 2 months with no additional follow up visits.

Biological: Hepatitis B

Interventions

Hepatitis BBIOLOGICAL

The Hepatitis B virus, is a double stranded DNA virus that prevents Hepatitis B in the population

Also known as: HBsAg
Group 2
Tetanus ToxoidBIOLOGICAL

The Tetanus vaccine, also known as tetanus toxoid (Td/IVP), is an inactive vaccine used to prevent tetanus in the population

Also known as: Td/IVP
Group 1

Eligibility Criteria

Age18 Years - 55 Years
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64)
Sampling MethodNon-Probability Sample
Study Population

Healthy and male and female volunteers aged between 18 and 55 years old.

You may qualify if:

  • Healthy male and female volunteers aged between 18 and 55 years scheduled to receive routine vaccination for HBsAg or booster immunisation with Td/IPV
  • Previously naïve to HBsAg vaccination
  • Available for the duration of the study
  • Willing and able to give written informed consent

You may not qualify if:

  • Is currently participating in another clinical trial with an investigational or non-investigational drug or device
  • Unable to read and/or speak English to a fluency level adequate for the full comprehension of procedures required in participation and consent
  • Unlikely to comply with protocol
  • Has a condition which in the opinion of the investigator is not suitable for participation in the trial

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Dr Lucy Garvey

Paddington, United Kingdom

Location

MeSH Terms

Conditions

Hepatitis B

Interventions

Hepatitis B VaccinesHepatitis B Surface AntigensTetanus Toxoid

Condition Hierarchy (Ancestors)

Blood-Borne InfectionsCommunicable DiseasesInfectionsHepadnaviridae InfectionsDNA Virus InfectionsVirus DiseasesHepatitis, Viral, HumanHepatitisLiver DiseasesDigestive System Diseases

Intervention Hierarchy (Ancestors)

Viral Hepatitis VaccinesViral VaccinesVaccinesBiological ProductsComplex MixturesHepatitis B AntigensHepatitis AntigensAntigens, ViralViral ProteinsProteinsAmino Acids, Peptides, and ProteinsAntigensBiological FactorsToxoids

Study Design

Study Type
observational
Observational Model
COHORT
Time Perspective
PROSPECTIVE
Target Duration
4 Weeks
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Consultant HIV/GU Medicine

Study Record Dates

First Submitted

May 14, 2018

First Posted

May 24, 2018

Study Start

March 6, 2017

Primary Completion

June 15, 2017

Study Completion

March 13, 2018

Last Updated

June 20, 2018

Record last verified: 2018-06

Data Sharing

IPD Sharing
Will share
Shared Documents
STUDY PROTOCOL, ICF
Time Frame
1 year from when the study was officially closed

Locations