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ClinicalTrials.gov ID

NCT03561415

Lead Sponsor

Bayside HealthOTHER_GOV

Overall Status

Unknown status

Study Type

Interventional

Phase

Phase 2

Enrollment

140Estimated

Last Update Posted

Jun 19, 2018Actual

Start Date

Jul 2, 2018Estimated

Primary Completion Date

Sep 30, 2020Estimated

Completion Date

Sep 30, 2020Estimated

Official Title

Universal Posaconazole Prophylaxis Versus Pre-emptive Posaconazole Therapy for Fungal Infection Management Post-lung Transplantation

Brief Summary

This trial will examine 2 ways of using the antifungal posaconazole to prevent invasive fungal disease and the precipitation of chronic rejection post lung transplantation.

Detailed Description

Lung transplantation (LT) is an increasingly used treatment for end-stage respiratory disease. However, it is expensive, with hospital costs alone estimated at >US$500,000/transplant. Fungal infection and chronic lung allograft dysfunction (CLAD) are the major complications of LT. They pose the greatest threat to long-term survival and are reported to occur in 12-50% of LT recipients and cause death in 21.7-82% of these.

Fungal infections occur in 3 major forms in LT recipients, namely colonisation, trachea-bronchial disease and invasive (or end-organ) disease. Whilst invasive fungal disease (IFD) is associated with the highest mortality, colonisation poses the greatest clinical challenge. It is the most common manifestation, can progress to IFD and can precipitate CLAD. Antifungal prophylaxis is used to minimise the risks associated with colonisation.

Two main antifungal prophylaxis strategies are used. Universal prophylaxis (UP) is defined as the administration of antifungal agents to all patients post-LT. Most centres use UP. A systematic review and meta-analysis showed neither Aspergillus colonisation nor invasive aspergillosis (IA) (the commonest fungal infection in LT recipients) were reduced by UP. Yet it caused side-effects in 29.6%.

The pre-emptive strategy is defined as the administration of antifungal agents when a fungal pathogen (including in donor specimens) is detected or there is serological evidence of a fungal pathogen in the absence of IFD from a post-LT surveillance bronchoscopy or other clinical investigations (i.e. colonisation).Observational data suggest that a pre-emptive strategy has similar IA incidence rates but fewer adverse drug reactions (ADR) than UP (16.1%). It has been estimated that a pre-emptive strategy can reduce antifungal drug use by 43%.

No direct comparison of the efficacy, safety and cost of the two strategies has been performed to date. Thus, a randomised controlled trial (RCT) is needed to determine the optimal strategy to reduce the impact of fungal infection in LT recipients. However, before we embark on a definitive phase III RCT powered for clinical outcomes we will perform a pilot feasibility RCT to generate data and answer practical questions to better inform the design of the definitive phase III RCT powered for clinical outcomes.

• Fungal Infection

• Universal Posaconazole Prophylaxis
• Pre-emptive Posaconazole Therapy

Ages Eligible for Study

Adult (18-64)Older Adult (65+)

Sexes Eligible for Study

All

Accepts Healthy Volunteers

No

Eligibility Criteria

Inclusion Criteria:

1. Male and female aged ≥ 18 years
2. Undergoing bilateral sequential lung transplant (BSLT) or heart-lung transplant (HLT) including re-do transplant
3. Able to give written informed consent
4. Able to understand and comply with all trial requirements

Exclusion Criteria:

1. Less than 18 years of age
2. Scheduled to undergo a single-lung transplant (known risk factor for IFD)
3. Scheduled to undergo multi-organ transplant, other than HLT
4. Recipients who will not be followed up for 1-year post-transplant at one of the trial sites
5. Isolation of a mould within the 12 months prior to screening
6. Evidence of a mycetoma within the 12 months prior to screening
7. Proven or probable IFD within the 12 months prior to screening
8. Patients with moderate or severe liver disease as defined by aspartate aminotransferase (AST) or alanine aminotransferase (ALT) > 5 times the upper limit of normal (ULN)
9. Any other severe condition which in the site investigator's judgement may interfere with the trial evaluations or severely affect the patients safety
10. Previous inclusion in the trial
11. Currently enrolled in an antifungal or other investigational drug trial

Primary Purpose

Prevention

Allocation

Randomized

Interventional Model

Parallel Assignment

Masking

None (Open Label)

Lead Sponsor

Bayside HealthOTHER_GOV

Collaborators

Merck Sharp & Dohme LLCINDUSTRY

o.morrissey@alfred.org.au+61 3 90762000