NCT02956018

Brief Summary

Kidney transplant thrombosis (loss of blood flow) is responsible for up to 35% transplant failures in children. Detection of kidney transplant thrombosis currently relies on recognition of deterioration in parameters such as urine output and blood creatinine levels, which change relatively slowly. Confirmation is then required with an ultrasound scan. There is inherent delay in the above process, during which time some or all of the transplant kidney tissue can die, which can result in failure of the transplant. Near infrared spectroscopy (NIRS) is a non-invasive technique used in continuous monitoring of oxygen levels in several organ systems including the brain, muscles, gut, liver and native kidneys. We hypothesise that NIRS can be applied to monitor kidney transplant blood flow in real time. We aim to test the use of NIRS in detecting blood flow in established kidney transplants in children, and to compare it with ultrasound, the current gold standard measurement. Existing NIRS equipment would be used within its CE marked purpose measuring oxygen levels; this mechanistic study would extrapolate measured oxygen levels to determine blood flow. Participating children attending outpatient clinic for routine transplant ultrasound scans will have NIRs monitoring for a 10 minute period. NIRs data will be compared to a validated perfusion score from ultrasound images. If this study is successful, NIRS could provide continuous monitoring of kidney transplant blood flow in the postoperative period, thus allowing immediate detection of blood flow problems. This has potential to reduce kidney transplant failures from thrombosis.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
50

participants targeted

Target at P25-P50 for all trials

Timeline
Completed

Started Nov 2016

Shorter than P25 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

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

November 1, 2016

Completed
1 day until next milestone

First Submitted

Initial submission to the registry

November 2, 2016

Completed
2 days until next milestone

First Posted

Study publicly available on registry

November 4, 2016

Completed
7 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

June 1, 2017

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

June 1, 2017

Completed
Last Updated

February 15, 2018

Status Verified

February 1, 2018

Enrollment Period

7 months

First QC Date

November 2, 2016

Last Update Submit

February 14, 2018

Conditions

Keywords

children

Outcome Measures

Primary Outcomes (1)

  • Correlation of NIRs perfusion data with Doppler ultrasound perfusion parameters assessed using a validated scale

    6 months

Secondary Outcomes (1)

  • Quality of NIRS data obtained

    6 months

Eligibility Criteria

AgeUp to 18 Years
Sexall
Healthy VolunteersNo
Age GroupsChild (0-17), Adult (18-64)
Sampling MethodNon-Probability Sample
Study Population

50 children with established kidney transplants undergoing follow up at Great Ormond Street Children's Hospital

You may qualify if:

  • Children aged 1 - 18 years who received kidney transplants at Great Ormond Street Children's Hospital.

You may not qualify if:

  • patients with transplant wound complications

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Great Ormond Street Hospital

London, WC1N3JH, United Kingdom

Location

Study Design

Study Type
observational
Observational Model
COHORT
Time Perspective
PROSPECTIVE
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

November 2, 2016

First Posted

November 4, 2016

Study Start

November 1, 2016

Primary Completion

June 1, 2017

Study Completion

June 1, 2017

Last Updated

February 15, 2018

Record last verified: 2018-02

Data Sharing

IPD Sharing
Will not share

Locations