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Renal FailurePhase 2/3NCT02621112

HBV Vaccine in Renal Failure Patients

A Phase 2/3 study testing Intradermal HBVv with imiquimod, Intradermal HBVv with aqueous cream and Intramuscular HBVv with aqueous cream in people with Renal Failure, run by The University of Hong Kong at 1 site in Hong Kong.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

Hepatitis B virus infection remains an important clinical issue among patients on renal replacement therapy. Seroconversion rate as defined by an anti-HBs Ab titer > 10 IU/L after intramuscular hepatitis B vaccination (HBVv) remains poor in this cohort. Read more about this study

Who is it for?
Ages 21 years and older
Conditions the study is for
Renal Failure
What is being tested?
Intradermal HBVv with imiquimod, Intradermal HBVv with aqueous cream and Intramuscular HBVv with aqueous cream
Could I receive a placebo?
No, everyone receives an active treatment
How many people
94 participants
Where
1 siteHong Kong
Study dates
Jan 2016to Mar 2019
Phase
Phase 2/3
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 21 years and older
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Patients recruited have to be aged ≥ 21 years, with history of chronic renal failure and on renal replacement therapy (continuous ambulatory peritoneal dialysis or hemodialysis).
  • All patients have to give written informed consent and will have up to 1 week period to decide.
  • Subjects must be available to complete the study and comply with study procedures.
  • Patients are willing to allow for serum samples to be stored beyond the study period, for potential additional future testing to better characterize immune response.
  • All recruited subjects have to be HBsAg, anti-HBs and anti-HIV negative before recruitment.

Who cannot join

  • Inability to comprehend and to follow all required study procedures
  • History or any illness that might interfere with the results of the study or pose additional risk to the subjects due to participation in the study.
  • Have a recent history (documented, confirmed or suspected) of a flu-like disease within a week of vaccination.
  • Have a known allergy to components of the Study Vaccines.
  • Have a positive urine or serum pregnancy test within 24 hours prior to vaccination, or women who are breastfeeding.
  • Have an active neoplastic disease or a history of any hematologic malignancy.
Show all 13Show fewer
  • Have known chronic active hepatitis B and hepatitis C (HBsAg+ve and anti-HCV+ve).
  • Have known active human immunodeficiency virus (HIV).
  • Received an experimental agent (vaccine, drug, biologic, device, blood product, or medication) within 1 month prior to vaccination in this study or expect to receive an experimental agent during this study.
  • Unwilling to refuse participation in another clinical study through the end of this study.
  • Axillary temperature ≥ 38°C or oral temperature ≥ 38.5°C within 3 days of intended study vaccination.
  • Have a history of alcohol or drug abuse in the last 5 years.
  • Have any condition that the investigator believes may interfere with successful completion of the study.

Trial locations and contacts

1 site in 1 country.

Hong Kong1 site
  • University of Hong Kong, Queen Mary Hospital

    Hong Kong

Other trials in Hong Kong

About this study

Official title: Efficacy of Intradermal Hepatitis B Vaccine in Renal Failure Patients

Hepatitis B virus infection remains an important clinical issue among patients on renal replacement therapy. Seroconversion rate as defined by an anti-HBs Ab titer > 10 IU/L after intramuscular hepatitis B vaccination (HBVv) remains poor in this cohort. Factors associated with inadequate anti-HBs response include older age, diabetes mellitus, obesity and low hepatitis B vaccine dose. Various small-scale studies including multiple high dose intramuscular vaccination or multiple small dose intradermal vaccination were attempted with variable response. Recent study on dose sparing seasonal influenza vaccine delivered via a novel intradermal microneedle has demonstrated good immunogenic responses similar to full-dose intramuscular vaccination. Imiquimod, a synthetic TLR7 agonist useful for the treatment of DNA virus infection, has been shown to improve vaccine immunogenicity. The investigators therefore propose a prospective, randomized study to compare the safety and immunogenicity of intradermal hepatitis B vaccination with this novel device with intramuscular in patients on renal replacement therapy.

Read the detailed description

The investigators aim to recruit at least 120 subjects on renal replacement therapy in this prospective double blind randomized controlled trial. All recruited subjects have to be HBsAg and anti-HBs negative before recruitment. Subjects were randomly assigned to three groups.

All patients received 4 doses of hepatitis B vaccine at 0,1,3 and 6 months: Group 1: to receive intradermal 10mcg of recombinant hepatitis B vaccine at two separate sites (5mcg) with topical imiquimod ointment pretreatment 5 minutes before injection. Group 2: to receive intradermal 10mcg of recombinant hepatitis B vaccine at two separate sites (5mcg) with topical placebo aqueous cream pretreatment 5 minutes before injection. Group 3: to receive intramuscular 10mcg (1mL) of recombinant hepatitis B vaccine at two separate sites (5mcg) with topical placebo aqueous cream pretreatment 5 minutes before injection.

Subjects will be advised not to wash the topical treatment for 8 hours after vaccination. Patients and investigators will be blinded to the type of topical treatment applied. Anti-HBs titre will be measured at baseline, before each vaccination, and at 12 and 18 months after the first dose of vaccination.

The primary end point is the seroprotection rate of the HBVv at 12 months after the first dose of vaccination. The secondary end points are the seroprotection rate of HBVv and the geometric mean titre (GMT) fold increase of the anti-HBs at 1, 3, 6, 12 (GMT only) and 18 months after the first dose of vaccination. Adverse reactions of the vaccine will also be assessed immediately and for 1 month after vaccination.

Conditions
Renal Failure
Being tested
Intradermal HBVv with imiquimod, Intradermal HBVv with aqueous cream, Intramuscular HBVv with aqueous cream
Medical subject headings
Renal Insufficiency

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Intradermal HBVv with imiquimodBiological

    Intradermal hepatitis B vaccine with imiquimod pretreatment

  • Intradermal HBVv with aqueous creamBiological

    Intradermal hepatitis B vaccine with aqueous cream pretreatment

  • Intramuscular HBVv with aqueous creamBiological

    Intramuscular hepatitis B vaccine with aqueous cream pretreatment

Study groups in NCT02621112
Study groupRoleWhat they receive
Intradermal HBVv with imiquimodExperimentalIntradermal hepatitis B vaccination with topical imiquimod pretreatment. Subjects to receive intradermal 10mcg of recombinant hepatitis B vaccine at two separate sites (5mcg) with topical imiquimod ointment pretreatment 5 minutes before injection at 0, 1, 3, 6 months
Receives: Biological: Intradermal HBVv with imiquimod
Intradermal HBVv with aqueous creamActive comparatorIntradermal hepatitis B vaccination with topical aqueous cream. Subjects to receive intradermal 10mcg of recombinant hepatitis B vaccine at two separate sites (5mcg) with topical aqueous cream pretreatment 5 minutes before injection at 0, 1, 3, 6 months
Receives: Biological: Intradermal HBVv with aqueous cream
Intramuscular HBVv with aqueous creamActive comparatorIntramuscular hepatitis B vaccination with topical aqueous cream. Subjects to receive intramuscular 10mcg of recombinant hepatitis B vaccine at two separate sites (5mcg) with topical aqueous cream pretreatment 5 minutes before injection at 0, 1, 3, 6 months
Receives: Biological: Intramuscular HBVv with aqueous cream

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Seroprotection rate to HBV

    percentage of recruited subjects with anti-HBs >10 mIU/mL

    Measured: 12 months after first dose of hepatitis B vaccine

Secondary outcomes (3)
  1. Adverse reaction to hepatitis B vaccine

    Measured: 1 month

  2. Seroprotection rate to HBV

    percentage of recruited subjects with anti-HBs >10 mIU/mL

    Measured: 1, 3, 6 and 18 months after first dose of hepatitis B vaccine

  3. GMT fold increase of anti-HBs

    Measured: 1, 3, 6, 12 and 18 months after first dose of hepatitis B vaccine

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted3 Dec 2015 (estimated)
  2. Study startJan 2016
  3. Primary completionDec 2018
  4. Study completionMar 2019

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase 2/3
Primary purpose
Prevention
Allocation
Randomised
Intervention model
Parallel groups
Masking
Triple blind
Who is masked
Participant, Investigator, Outcomes assessor
Enrolment
94 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT02621112
Sponsor's protocol ID
UW 11-209
Status last verified
Oct 2019
First submitted
1 Dec 2015
Last updated
22 Oct 2019
Results posted
No
Data monitoring committee
Yes

Publications

  • Hung IF, Yap DY, Yip TP, Zhang RR, To KK, Chan KH, Tang SC, Lui SL, Levin Y, Kochba E, Lau JY, Yuen MF, Chan TM, Yuen KY. A Double-blind, Randomized Phase 2 Controlled Trial of Intradermal Hepatitis B Vaccination With a Topical Toll-like Receptor 7 Agonist Imiquimod, in Patients on Dialysis. Clin Infect Dis. 2021 Jul 15;73(2):e304-e311. doi: 10.1093/cid/ciaa804.

    PubMed 32556176

Questions about this trial

What is this clinical trial studying?

A Phase 2/3 study testing Intradermal HBVv with imiquimod, Intradermal HBVv with aqueous cream and Intramuscular HBVv with aqueous cream in people with Renal Failure, run by The University of Hong Kong at 1 site in Hong Kong.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 5 inclusion and 13 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 22 Oct 2019. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in Hong Kong. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

What does this combined phase mean?

Phase 2 studies give the treatment to a larger group to see whether it has the intended effect and to keep checking safety.

Phase 3 studies compare the treatment with the current standard treatment or a placebo in a large group, to confirm how well it works and watch for side effects.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Seroprotection rate to HBV (time frame: 12 months after first dose of hepatitis B vaccine). It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT02621112, which also lists 1 linked publication.

Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 22 Oct 2019.

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