NCT01254955

Brief Summary

Organ transplant patients and staff members at the Transplant Institute have received pandemic H1N1 influenza vaccine (Pandemrix) and specific antibody production was measured by haemagglutination inhibition according to the clinical guidelines and policy, respectively. This study retrospectively assessed the immune response after vaccination.

Trial Health

87
On Track

Trial Health Score

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

Timeline
Completed

Started Oct 2009

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

October 1, 2009

Completed
1.2 years until next milestone

First Submitted

Initial submission to the registry

December 6, 2010

Completed
1 day until next milestone

First Posted

Study publicly available on registry

December 7, 2010

Completed
25 days until next milestone

Primary Completion

Last participant's last visit for primary outcome

January 1, 2011

Completed
7 months until next milestone

Study Completion

Last participant's last visit for all outcomes

August 1, 2011

Completed
Last Updated

January 16, 2012

Status Verified

January 1, 2012

Enrollment Period

1.3 years

First QC Date

December 6, 2010

Last Update Submit

January 13, 2012

Conditions

Keywords

2009 H1N1 influenza vaccine, organ transplant patients

Outcome Measures

Primary Outcomes (1)

  • Frequency of responders in organ transplant patients and controls

Secondary Outcomes (1)

  • Frequency of >4-fold titre rise in organ transplant patients and controls

Study Arms (2)

organ transplant patients

Biological: H1N1 vaccine Pandemrix

healthy controls

Biological: H1N1 vaccine Pandemrix

Interventions

healthy controlsorgan transplant patients

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)
Sampling MethodProbability Sample
Study Population

Tranplant patients at the out-patient clinical ward and staff members at the Transplant Institute, Sahlgrenska University Hospital.

You may qualify if:

  • Cohort number 1:Organ transplant patients who were vaccinated and serum sample drawn at baseline.
  • Cohort number 2: Staff members who were vaccinated and serum sample drawn at baseline.

You may not qualify if:

  • Cohort number 1: Organ transplant patients who were vaccinated and no serum sample drawn at baseline.
  • Cohort number 2: Staff members who were vaccinated and no serum sample drawn at baseline.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Transplant Institute, Sahlgrenska University Hospital

Gothenburg, Västra Götaland County, 413 45, Sweden

Location

Related Publications (1)

  • Felldin M, Studahl M, Svennerholm B, Friman V. The antibody response to pandemic H1N1 2009 influenza vaccine in adult organ transplant patients. Transpl Int. 2012 Feb;25(2):166-71. doi: 10.1111/j.1432-2277.2011.01391.x. Epub 2011 Nov 26.

Study Design

Study Type
observational
Observational Model
COHORT
Time Perspective
RETROSPECTIVE
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
MD, PhD

Study Record Dates

First Submitted

December 6, 2010

First Posted

December 7, 2010

Study Start

October 1, 2009

Primary Completion

January 1, 2011

Study Completion

August 1, 2011

Last Updated

January 16, 2012

Record last verified: 2012-01

Locations