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PertussisPhase 1NCT04793620

Pertussis Acellular Vaccine Adjuvanted With TQL1055

A Phase 1 study testing TQL1055 and Acellular pertussis vaccine in people with Pertussis, run by Adjuvance Technologies, Inc. at 1 site in Australia.

Terminated

Stopped early. The study ended before it was planned to and will not resume.

Official record
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Trial summary

This is a phase 1 study to evaluate the safety and immunogenicity of the semisynthetic saponin adjuvant TQL1055 administered in combination with an acellular pertussis vaccine. Read more about this study

Who is it for?
Ages 18 to 50 yearsHealthy volunteers can take part
Conditions the study is for
Pertussis
What is being tested?
TQL1055 and Acellular pertussis vaccine
Type of treatment
Vaccines
Could I receive a placebo?
No, everyone receives an active treatment
How many people
72 participants
Where
1 siteAustralia
Study dates
6 Apr 2021to 14 Feb 2022
Phase
Phase 1
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 18 to 50 years
  • All sexes
  • Healthy volunteers accepted
  • Adult

Who may be able to join

  • 18 to 50 years of age
  • General good health
  • BMI between 17 and 35 kg/m2
  • Not of childbearing potential OR using adequate contraception

Who cannot join

  • Pregnant or lactating
  • Prior medical condition that could adversely affect subject safety
  • Clinically significant abnormal laboratory parameter
  • Current acute febrile illness
  • Contraindication to intramuscular injection
  • Contraindication to pertussis vaccination
  • Received pertussis vaccine within 3 years

Trial locations and contacts

1 site in 1 country.

Australia1 site
  • Q-Pharm

    Brisbane

Other trials in Australia

About this study

Official title: A Phase 1, Randomized, Double Blind, Active-Controlled Dose-Escalation Study to Assess the Safety and Immunogenicity of Pertussis Acellular Vaccine Adjuvanted With TQL1055 (PAVA)

This is a phase 1 study to evaluate the safety and immunogenicity of the semisynthetic saponin adjuvant TQL1055 administered in combination with an acellular pertussis vaccine.

Read the detailed description

The recent increase in the incidence of pertussis has prompted the need for improvements to current acellular pertussis vaccines. Use of novel adjuvants is one approach to such improvement. TQL1055 is a rationally designed, semisynthetic analog of the licensed Quillaja saponin (QS)-21. It has been designed to maintain adjuvant activity with improved tolerability and greater ease of manufacture.

This is a Phase 1, randomized, double blind, active-controlled sequential-group study, designed to evaluate the safety, tolerability, and immunogenicity of the combination of TQL1055 and acellular pertussis vaccine. The dose of TQL1055 will increase by group.

Conditions
Pertussis
Being tested
TQL1055, Acellular pertussis vaccine
Keywords
vaccine, adjuvant
Medical subject headings
Whooping Cough

What participants receive

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

  • TQL1055Other

    Semisynthetic saponin adjuvant

  • Acellular pertussis vaccineBiological

    Acellular pertussis vaccine

Study groups in NCT04793620
Study groupRoleWhat they receive
TQL1055ExperimentalTQL1055 + acellular pertussis vaccine
Receives: Other: TQL1055; Biological: Acellular pertussis vaccine
Acellular pertussis vaccineActive comparatorAcellular pertussis vaccine
Receives: Biological: Acellular pertussis vaccine

What is being measured

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

  1. Reactogenicity

    Solicited local and systemic adverse events

    Measured: 7 days

Secondary outcomes (4)
  1. Adverse Events

    Adverse Events/Serious Adverse Events

    Measured: 365 days

  2. Incidence of abnormal laboratory test results

    Incidence of abnormal laboratory test results

    Measured: 28 days

  3. Immunogenicity

    Anti-Pertussis Toxin antibodies

    Measured: 28 days

  4. Immunogenicity

    Anti-Pertussis Toxin antibodies

    Measured: 365 days

Timeline

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

  1. First posted11 Mar 2021
  2. Study start6 Apr 2021
  3. Primary completion23 Aug 2021
  4. Study completion14 Feb 2022

Why it stopped: financial constraints

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 1
Primary purpose
Prevention
Allocation
Randomised
Intervention model
Sequential
Model description
Sequential-group dose-escalation study.
Masking
Double blind
Who is masked
Participant, Investigator
Enrolment
72 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT04793620
Sponsor's protocol ID
V1.1-101
Status last verified
Oct 2022
First submitted
4 Mar 2021
Last updated
1 Nov 2022
Results posted
No
Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
Individual data sharing
No

Questions about this trial

What is this clinical trial studying?

A Phase 1 study testing TQL1055 and Acellular pertussis vaccine in people with Pertussis, run by Adjuvance Technologies, Inc. at 1 site in Australia.

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 4 inclusion and 7 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: stopped early, as of the sponsor's last update on 1 Nov 2022. 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 Australia. 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 phase mean?

Phase 1 studies test a treatment in a small group of people for the first time or in a new way, mainly to check safety and find the right dose.

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 was stopped early (reason given: financial constraints). Results are not available in the source record.

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?

Reactogenicity (time frame: 7 days). It is what the study was designed to measure, not a finding.

Where can I read the original study information?
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 1 Nov 2022.

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