NCT03630523

Brief Summary

this study evaluates the cellular and humoral immune response to seasonal influenze vaccination in PTEN Hamartoma Tumor Syndrome. All subjects will be administered flu vaccination, half of the subjects will be control subjects.

Trial Health

35
At Risk

Trial Health Score

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

Trial has exceeded expected completion date
Enrollment
30

participants targeted

Target at below P25 for not_applicable

Timeline
Completed

Started Oct 2018

Shorter than P25 for not_applicable

Status
unknown

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

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Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

August 10, 2018

Completed
5 days until next milestone

First Posted

Study publicly available on registry

August 15, 2018

Completed
2 months until next milestone

Study Start

First participant enrolled

October 1, 2018

Completed
3 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

January 1, 2019

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

January 1, 2019

Completed
Last Updated

August 15, 2018

Status Verified

August 1, 2018

Enrollment Period

3 months

First QC Date

August 10, 2018

Last Update Submit

August 10, 2018

Conditions

Keywords

PHTSPTENVaccination

Outcome Measures

Primary Outcomes (1)

  • Hemagglutination inhibition assay titre

    7 days

Secondary Outcomes (2)

  • Proliferation assay

    21 days

  • interleukin profile

    21 days, 7 days

Study Arms (1)

Vaccination

OTHER

Arm contains all subjects; vaccination with Influvac Tetra will be administered at start of study, response will be measured in 7 and 21 days.

Biological: Influvac Tetra

Interventions

Influvac TetraBIOLOGICAL

Tetravalent seasonal flu vaccination 2018/2019

Vaccination

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Must be diagnosed with PHTS based on genetic testing
  • Must be a Radboudumc patient
  • Must be 18 years or older
  • Must be mentally competent
  • Must have provided written informed consent to participate in the study
  • Must be able to adhere to visit schedule and available to complete the study

You may not qualify if:

  • Known history of significant medical disorder, which in the investigator's judgment might confound the results of the study or pose additional risk to the subject by participation in the study
  • Known hypersensitivity to previous influenza vaccinations (Anaphylaxis)
  • Must not be allergic to chicken eggwhite
  • Pregnancy at start of study
  • Immunocompromised patients and those receiving concomitant immunosuppressive therapy or other immune modulating drugs including chronic steroid treatment.
  • Bleeding disorders including haemophilia and thrombocytopenia or treatment with anticoagulants(Due to risk of intramuscular hematoma after injection)
  • Must not have received vaccination with attenuated pathogens in the 4 weeks leading up to study. (Measles, mumps, rubella, yellow fever, rotavirus, BCG, typhoid)

Contact the study team to confirm eligibility.

Sponsors & Collaborators

MeSH Terms

Conditions

Hamartoma Syndrome, Multiple

Condition Hierarchy (Ancestors)

HamartomaNeoplasmsNeoplasms, Multiple PrimaryNeoplastic Syndromes, HereditaryGenetic Diseases, InbornCongenital, Hereditary, and Neonatal Diseases and Abnormalities

Study Design

Study Type
interventional
Phase
not applicable
Allocation
NA
Masking
NONE
Purpose
OTHER
Intervention Model
SINGLE GROUP
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

August 10, 2018

First Posted

August 15, 2018

Study Start

October 1, 2018

Primary Completion

January 1, 2019

Study Completion

January 1, 2019

Last Updated

August 15, 2018

Record last verified: 2018-08