NCT00956358

Brief Summary

Haemopoietic stem cell transplantation (HSCT) has become a major life-saving treatment for many haematological conditions, mostly malignancies. However, there are lots of potential complications that hinder the long-term success of HSCT, in which bronchiolitis obliterans syndrome (BOS) is one of such serious complications. Basically, BOS represents a form of graft-versus-host immunological damage of small airways (bronchioles), leading to progressive narrowing of small airways and thus obstructive lung function abnormalities. With progressive loss of lung function in BOS, patients after HSCT can be complicated by intractable respiratory failure that results in mortality. Up until now, there is still no reliable way to accurately predict or detect BOS early to allow pharmacological interventions. Therefore there is intense interest in the search for biomarkers that can help to predict the occurrence of BOS after HSCT. Apart from biomarkers (e.g., cytokines) in blood, there has been recent development in the sampling of airway lining fluid by a non-invasive method, i.e., collection of exhaled breath condensate (EBC). In airway diseases such as asthma or chronic obstructive pulmonary disease, EBC has been found to have various cytokines which can serve as potential biomarkers of disease activity. Since BOS is largely a small airway disease, it becomes logical to investigate the profile of biomarkers in EBC as predictors for BOS after HSCT. Therefore this study has been designed to look into the role of biomarkers in blood and EBC in early detection of BOS after HSCT.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
228

participants targeted

Target at P75+ for all trials

Timeline
Completed

Started Mar 2009

Longer than P75 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

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Study Timeline

Key milestones and dates

Study Start

First participant enrolled

March 1, 2009

Completed
5 months until next milestone

First Submitted

Initial submission to the registry

August 9, 2009

Completed
2 days until next milestone

First Posted

Study publicly available on registry

August 11, 2009

Completed
6.3 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 1, 2015

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

December 1, 2015

Completed
Last Updated

May 12, 2016

Status Verified

May 1, 2016

Enrollment Period

6.8 years

First QC Date

August 9, 2009

Last Update Submit

May 11, 2016

Conditions

Keywords

bronchiolitis obliterans syndrome

Outcome Measures

Primary Outcomes (1)

  • Lung function indices

    Every 3 months until either 18 months post-HSCT or diagnosis of BOS

Study Arms (3)

Pre-HSCT

Haematological conditions requiring haemopoietic stem cell transplantation

Post-HSCT with BOS

Occurence of bronchiolitis obliterans syndrome after haemopoietic stem cell transplantation

Control

Healthy HSCT donors

Eligibility Criteria

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

Haematological conditions requiring HSCT and healthy HSCT donors will be identified from Bone Marrow Transplatation (BMT) Unit and post-HSCT patients with BOS will be identified from Respiratory Medicine clinics at Queen Mary Hospital.

You may qualify if:

  • Haematological conditions requiring HSCT (either autologous or allogeneic with sibling donor), post-HSCT BOS, or healthy HSCT donors
  • Life expectancy \> 12 weeks

You may not qualify if:

  • Respiratory failure requiring use of supplemental oxygen therapy
  • Known airway diseases including asthma, chronic obstructive pulmonary disease and bronchiectasis

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Queen Mary Hospital

Hong Kong, Hong Kong

Location

Biospecimen

Retention: SAMPLES WITHOUT DNA

Plasma, buffy coat, red blood cell and exhaled breath condensate samples.

MeSH Terms

Conditions

Hematologic DiseasesBronchiolitis Obliterans Syndrome

Condition Hierarchy (Ancestors)

Hemic and Lymphatic DiseasesOrganizing PneumoniaBronchiolitis ObliteransBronchiolitisBronchitisBronchial DiseasesRespiratory Tract DiseasesLung Diseases, ObstructiveLung DiseasesGraft vs Host DiseaseImmune System Diseases

Study Officials

  • Chung-man James Ho

    The University of Hong Kong

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
observational
Observational Model
CASE CONTROL
Time Perspective
PROSPECTIVE
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Clinical Assistant Professor

Study Record Dates

First Submitted

August 9, 2009

First Posted

August 11, 2009

Study Start

March 1, 2009

Primary Completion

December 1, 2015

Study Completion

December 1, 2015

Last Updated

May 12, 2016

Record last verified: 2016-05

Locations