NCT02210312

Brief Summary

Postoperative cognitive dysfunction (POCD) describes a condition where cognitive functions such as attention, perception, concentration, learning, abstract thinking and problem solving are impaired postoperatively. These changes can be resolved after weeks and months. In some cases, changes are permanent.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
300

participants targeted

Target at P75+ for all trials

Timeline
Completed

Started May 2014

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

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

May 1, 2014

Completed
2 months until next milestone

First Submitted

Initial submission to the registry

June 16, 2014

Completed
2 months until next milestone

First Posted

Study publicly available on registry

August 6, 2014

Completed
3.9 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

July 1, 2018

Completed
3 months until next milestone

Study Completion

Last participant's last visit for all outcomes

October 1, 2018

Completed
Last Updated

April 30, 2019

Status Verified

April 1, 2019

Enrollment Period

4.2 years

First QC Date

June 16, 2014

Last Update Submit

April 28, 2019

Conditions

Outcome Measures

Primary Outcomes (3)

  • Frequency of occurrence of early POCD

    POCD is measured by use of a neuropsychological test battery comprising the following subtests: Alertness, Go/Nogo, and Incompatibility from the TAP 2.3 (attention), Trail Making Test A and B (attention), Digit span (memory), Verbal Learning and Memory Test (memory), Regensburg Word Fluency Test (executive function)

    7 days

  • Frequency of occurrence of intermediate POCD

    POCD is measured by use of a neuropsychological test battery comprising the following subtests: Alertness, Go/Nogo, and Incompatibility from the TAP 2.3 (attention), Trail Making Test A and B (attention), Digit span (memory), Verbal Learning and Memory Test (memory), Regensburg Word Fluency Test (executive function)

    3 months

  • Frequency of occurrence of late POCD

    POCD is measured by use of a neuropsychological test battery comprising the following subtests: Alertness, Go/Nogo, and Incompatibility from the TAP 2.3 (attention), Trail Making Test A and B (attention), Digit span (memory), Verbal Learning and Memory Test (memory), Regensburg Word Fluency Test (executive function)

    1 year

Secondary Outcomes (5)

  • Frequency of occurrence of postoperative delirium

    7th postoperative day

  • Rate of organ complications (cardiac, respiratory, renal)

    day of operation until 7th postoperative day

  • Hospital length of stay

    day of admission until day of discharge, up to 24 weeks

  • Mortality

    1 year

  • Health related quality of life

    7 days, 3 months, 1 year after operation

Other Outcomes (8)

  • Dementia

    Change from baseline sum score on the Mini-Mental State Examination (2nd ed.) [Time Frame: Before operation to 7 days, 3 months and 1 year after operation].

  • Preoperative depressive symptoms and anxiety

    Baseline

  • Past or present diagnosed depression

    Baseline

  • +5 more other outcomes

Study Arms (1)

elective non-cardiac surgery and non-neurosurgical procedures

300 Patients aged 60 years and older undergoing elective non-cardiac surgery and non-neurosurgical procedures in general anaesthesia or combined general/regional anaesthesia with a duration of operation of 120 minutes or longer. 80 age-, gender- and education-matched healthy controls.

Eligibility Criteria

Age60 Years+
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)
Sampling MethodProbability Sample
Study Population

Female and male patients, aged 60 years and older undergoing elective non-cardiac surgery and non-neurosurgical procedures in general anaesthesia or combined general/regional anaesthesia. To correct for practice effects and conduct additional comparisons, 80 healthy controls will be enrolled and assessed at the same time points (neuropsychological tests and questionnaires).

You may qualify if:

  • Age \> 60 years
  • Written informed patient's consent
  • Elective non-cardiac surgery and non-neurosurgical procedures in general anaesthesia or combined general/regional anaesthesia
  • Minimum of duration of operation 120 minutes
  • Baseline testing 3-14 days preoperatively
  • matched for age, gender and education
  • no surgery over the study period

You may not qualify if:

  • German not mother tongue
  • Illiteracy
  • Mental disability
  • Vision impairment not correctable
  • Hearing impairment not correctable
  • Illegal substance abuse (current or past history)
  • Alcohol abuse (current or past history)
  • Chronic benzodiazepine use
  • Psychosis (current or past history)
  • Parkinson Disease
  • Dementia
  • Multiple sclerosis
  • Epilepsy (current or past history)
  • Cerebral tumor (current or past history)
  • Apoplexy or intracranial bleeding (current or past history)
  • +4 more criteria

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Department of Anaesthesiology and Intensive Care Medicine, University Hospital Hamburg Eppendorf, Univ.-Prof. Dr. med. Alwin E. Goetz and Prof. Dr. med. Christian Zoellner

Hamburg, 20246, Germany

Location

MeSH Terms

Conditions

Postoperative Cognitive ComplicationsEmergence DeliriumDepression

Condition Hierarchy (Ancestors)

Postoperative ComplicationsPathologic ProcessesPathological Conditions, Signs and SymptomsCognitive DysfunctionCognition DisordersNeurocognitive DisordersMental DisordersDeliriumConfusionNeurobehavioral ManifestationsNeurologic ManifestationsNervous System DiseasesSigns and SymptomsBehavioral SymptomsBehavior

Study Officials

  • Julia Wiede, MD

    Department of Anaesthesiology and Intensive Care Medicine, University Hospital Hamburg Eppendorf

    PRINCIPAL INVESTIGATOR

Study Design

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

Study Record Dates

First Submitted

June 16, 2014

First Posted

August 6, 2014

Study Start

May 1, 2014

Primary Completion

July 1, 2018

Study Completion

October 1, 2018

Last Updated

April 30, 2019

Record last verified: 2019-04

Locations