NCT03511729

Brief Summary

The proposed studies are aimed to measure Tau and P-Tau levels in pre- and postoperative blood, urine, feces and saliva, as well as to assess pre- and postoperative neurocognitive function in children (3 to 5 years old) who will have surgery under general anesthesia (single versus multiple exposures). The studies will establish a system to study biomarkers of the anesthesia/surgery-associated neurocognitive impairment in children and generate hypothesis that Tau or P-Tau serves as the biomarker of such neurocognitive impairment in children.

Trial Health

43
At Risk

Trial Health Score

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

Trial has exceeded expected completion date
Enrollment
20

participants targeted

Target at below P25 for all trials

Timeline
Completed

Started Jun 2018

Longer than P75 for all trials

Geographic Reach
1 country

2 active sites

Status
unknown

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

First Submitted

Initial submission to the registry

April 11, 2018

Completed
19 days until next milestone

First Posted

Study publicly available on registry

April 30, 2018

Completed
1 month until next milestone

Study Start

First participant enrolled

June 1, 2018

Completed
5.6 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 31, 2023

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

December 31, 2023

Completed
Last Updated

April 25, 2022

Status Verified

April 1, 2022

Enrollment Period

5.6 years

First QC Date

April 11, 2018

Last Update Submit

April 15, 2022

Conditions

Keywords

Tau/P-Taubiomarkerneurocognitiveoutcomeschildren

Outcome Measures

Primary Outcomes (3)

  • Blood Tau/P-Tau level before the surgery (baseline)

    300 ul venous blood before the surgery will be collected from the inserted intravenous catheter to measure the levels of Tau/P-Tau

    Before the surgery

  • Blood Tau/P-Tau level at postoperative 3 hours

    300 ul venous blood at 3 hours after the surgery will be collected from the inserted intravenous catheter to measure the levels of Tau/P-Tau

    At 3 hours after the surgery

  • Blood Tau/P-Tau level at postoperative 6 hours

    300 ul venous blood at 6 hours after the surgery will be collected from the inserted intravenous catheter to measure the levels of Tau/P-Tau

    At 6 hours after the surgery

Secondary Outcomes (8)

  • Neurocognitive function before the surgery (baseline)

    Before the surgery

  • Neurocognitive function at postoperative one year

    At postoperative one year

  • Feces Tau/P-Tau level before the surgery (baseline)

    Before the surgery

  • Feces Tau/P-Tau level at postoperative one day

    At postoperative one day

  • Urine Tau/P-Tau level before the surgery (baseline)

    Before the surgery

  • +3 more secondary outcomes

Study Arms (2)

A single exposure to general anesthesia

Participants who have surgery under general anesthesia (without anesthesia/surgery before)

Multiple exposures to general anesthesia

Participants who have surgery under general anesthesia (had anesthesia/surgery before)

Eligibility Criteria

Age3 Years - 5 Years
Sexall
Healthy VolunteersNo
Age GroupsChild (0-17)
Sampling MethodProbability Sample
Study Population

The investigators will enroll participants between age 3 and 5 years old who are scheduled for the surgery under general anesthesia from Shriners Hospital for Children or Boston Children Hospital.

You may qualify if:

  • between age 3 and 5 at the time of the first neurocognitive test;
  • scheduled for surgery under general anesthesia

You may not qualify if:

  • gestational age less than 36 weeks;
  • congenital heart disease that has required surgery or will require surgery or that requires ongoing pharmacotherapy;
  • known chromosomal abnormality or any other known acquired or congenital abnormalities which are likely to affect neurodevelopment;
  • known neurological injury such as cystic periventricular leukomalacia or grade 3 or 4 intra-ventricular hemorrhage (+/- post hemorrhage ventricular dilatation);
  • children for whom follow-up would be difficult for geographic or psychosocial reasons;
  • non-native English speaker (both child and parents);
  • severe visual or auditory disorder.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (2)

Boston Childrens Hospital

Boston, Massachusetts, 02115, United States

Location

Zhongcong Xie

Boston, Massachusetts, 02129-2020, United States

Location

Related Publications (5)

  • Wilder RT, Flick RP, Sprung J, Katusic SK, Barbaresi WJ, Mickelson C, Gleich SJ, Schroeder DR, Weaver AL, Warner DO. Early exposure to anesthesia and learning disabilities in a population-based birth cohort. Anesthesiology. 2009 Apr;110(4):796-804. doi: 10.1097/01.anes.0000344728.34332.5d.

    PMID: 19293700BACKGROUND
  • Flick RP, Katusic SK, Colligan RC, Wilder RT, Voigt RG, Olson MD, Sprung J, Weaver AL, Schroeder DR, Warner DO. Cognitive and behavioral outcomes after early exposure to anesthesia and surgery. Pediatrics. 2011 Nov;128(5):e1053-61. doi: 10.1542/peds.2011-0351. Epub 2011 Oct 3.

    PMID: 21969289BACKGROUND
  • Kalkman CJ, Peelen L, Moons KG, Veenhuizen M, Bruens M, Sinnema G, de Jong TP. Behavior and development in children and age at the time of first anesthetic exposure. Anesthesiology. 2009 Apr;110(4):805-12. doi: 10.1097/ALN.0b013e31819c7124.

    PMID: 19293699BACKGROUND
  • Sun L. Early childhood general anaesthesia exposure and neurocognitive development. Br J Anaesth. 2010 Dec;105 Suppl 1(Suppl 1):i61-8. doi: 10.1093/bja/aeq302.

    PMID: 21148656BACKGROUND
  • Ing CH, DiMaggio CJ, Whitehouse AJ, Hegarty MK, Sun M, von Ungern-Sternberg BS, Davidson AJ, Wall MM, Li G, Sun LS. Neurodevelopmental outcomes after initial childhood anesthetic exposure between ages 3 and 10 years. J Neurosurg Anesthesiol. 2014 Oct;26(4):377-86. doi: 10.1097/ANA.0000000000000121.

    PMID: 25144506BACKGROUND

Biospecimen

Retention: SAMPLES WITHOUT DNA

The investigators will harvest 300ul blood of participants before and 3, 6 hours after the surgery. Urine, feces and saliva from these participants will also be harvested.

MeSH Terms

Conditions

Postoperative Cognitive Complications

Condition Hierarchy (Ancestors)

Postoperative ComplicationsPathologic ProcessesPathological Conditions, Signs and SymptomsCognitive DysfunctionCognition DisordersNeurocognitive DisordersMental Disorders

Study Officials

  • Zhongcong Xie, MD, PhD

    Massachusetts General Hospital

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
observational
Observational Model
COHORT
Time Perspective
PROSPECTIVE
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Professor of Anesthesia

Study Record Dates

First Submitted

April 11, 2018

First Posted

April 30, 2018

Study Start

June 1, 2018

Primary Completion

December 31, 2023

Study Completion

December 31, 2023

Last Updated

April 25, 2022

Record last verified: 2022-04

Data Sharing

IPD Sharing
Will share

All individual participant data that underlie results in a publication will be available to other researchers.

Shared Documents
STUDY PROTOCOL, SAP, ICF
Time Frame
Individual participant data will be available 6 months after publication
Access Criteria
Principle investigator will review the requests and determine what information should be shared.
More information

Locations