NCT05132517

Brief Summary

Cognitive impairments such as memory impairments, word-finding difficulties, compromised orientation and perception are often observed in stroke patients. Low serum-mg-concentrations are associated with cognitive impairments in ischemic stroke patients one month after stroke onset. It is not clear, if cognitive impairments after stroke is caused by the mg-deficiency or by the stroke itself. Until now, no studies investigating the relationship between mg-concentration, stroke severity and cognition during treatment course are available. Thus, this study aimed to investigate the relationship between mg-concentration and cognition of stroke patients.

Trial Health

77
On Track

Trial Health Score

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

Enrollment
80

participants targeted

Target at P50-P75 for all trials

Timeline
17mo left

Started Oct 2022

Longer than P75 for all trials

Geographic Reach
1 country

1 active site

Status
recruiting

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 Progress72%
Oct 2022Sep 2027

First Submitted

Initial submission to the registry

October 11, 2021

Completed
1 month until next milestone

First Posted

Study publicly available on registry

November 24, 2021

Completed
11 months until next milestone

Study Start

First participant enrolled

October 26, 2022

Completed
4.2 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 31, 2026

Expected
9 months until next milestone

Study Completion

Last participant's last visit for all outcomes

September 30, 2027

Last Updated

April 20, 2026

Status Verified

April 1, 2026

Enrollment Period

4.2 years

First QC Date

October 11, 2021

Last Update Submit

April 16, 2026

Conditions

Outcome Measures

Primary Outcomes (14)

  • Serum mg-concentration

    This study defines a reference value ranging from 1,8 to 2,53 mg/dl.

    day 1

  • Change from Serum mg-concentration from admission at day 28

    This study defines a reference value ranging from 1,8 to 2,53 mg/dl.

    day 28

  • Change from Serum mg-concentration from admission at day 72

    This study defines a reference value ranging from 1,8 to 2,53 mg/dl.

    day 72

  • Change from Serum mg-concentration from admission at study end

    This study defines a reference value ranging from 1,8 to 2,53 mg/dl.

    up to 6 month

  • Kölner Neuropsychologische Screening für Schlaganfall-Patienten (KöpSS)

    The score ranges from 0 to 108 points. If all subtest can be performed, a score \<98 points identify an impaired cognition.

    day 3

  • Change from Kölner Neuropsychologische Screening für Schlaganfall-Patienten (KöpSS) at day 28

    The score ranges from 0 to 108 points. If all subtest can be performed, a score \<98 points identify an impaired cognition.

    day 28

  • Change from Kölner Neuropsychologische Screening für Schlaganfall-Patienten (KöpSS) at day 72

    The score ranges from 0 to 108 points. If all subtest can be performed, a score \<98 points identify an impaired cognition.

    day 72

  • Change from Kölner Neuropsychologische Screening für Schlaganfall-Patienten (KöpSS) at study end

    The score ranges from 0 to 108 points. If all subtest can be performed, a score \<98 points identify an impaired cognition.

    up to 6 month

  • National Institutes of Health Stroke Scale

    0-5 points: mild stroke; 6-14 points: moderate stroke; 15- 24 points: severe stroke; ≥25 points: very severe stroke

    day 1

  • Change from National Institutes of Health Stroke Scale at day 3

    0-5 points: mild stroke; 6-14 points: moderate stroke; 15- 24 points: severe stroke; ≥25 points: very severe stroke

    day 3

  • Change from National Institutes of Health Stroke Scale at day 28

    0-5 points: mild stroke; 6-14 points: moderate stroke; 15- 24 points: severe stroke; ≥25 points: very severe stroke

    day 28

  • Change from National Institutes of Health Stroke Scale at day 72

    0-5 points: mild stroke; 6-14 points: moderate stroke; 15- 24 points: severe stroke; ≥25 points: very severe stroke

    day 72

  • Change from National Institutes of Health Stroke Scale at study end

    0-5 points: mild stroke; 6-14 points: moderate stroke; 15- 24 points: severe stroke; ≥25 points: very severe stroke

    up to 6 month

  • Lenght of stay

    Lenght of stay will be assesse at discharge.

    up to 6 month

Secondary Outcomes (28)

  • Mini Mental State Test (MMST)

    day 3

  • Change from Mini Mental State Test (MMST) at day 28

    day 28

  • Change from Mini Mental State Test (MMST) at day 72

    day 72

  • Change from Mini Mental State Test (MMST) at study end

    up to 6 month

  • Modified Rankin Scale (MRS)

    day 1

  • +23 more secondary outcomes

Other Outcomes (5)

  • Demographics

    day 1

  • Location and size of insult

    day 1

  • Charlson Comorbidity Index (CII)

    day 1

  • +2 more other outcomes

Study Arms (1)

Stroke Patients

Ischemic-/hemorragic stroke patients, who admitted on the stroke unit.

Diagnostic Test: Kölner Neuropsychologische Screening für Schlaganfall-Patienten

Interventions

The cognitive state of the patient is measure by the Kölner Neuropsychologische Screening (KöpSS) and by the Mini Mental Status Test (MMST). The MMST is a popular often used test, which makes comparisons to other international studies possible. However, even though this test was specifically designed for stroke patients, it has a limited sensibility. Thus the KöpSS is being used as an additional test demonstrating satisfactory sensibility and specificity. It is suitable for acute and subacute strokes and covers all stroke relevant domains.

Also known as: KöpSS
Stroke Patients

Eligibility Criteria

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

The sample is comprised of 80 stroke patients (ischemic/hemmorgic) of both genders and age ≥ 18 years. A written consent form is signed before inclusion.

You may qualify if:

  • ischemic/hemmorhagic stroke
  • written consent form

You may not qualify if:

  • pre-existing dementia or cognitive impairment before stroke onset
  • pre-existing mental disorder (depression) or present/prior long-term treatment (\> 6 months) with psychotropic drugs
  • pre-existing malign tumor disease
  • participation in another clinical trial within the past 30 days
  • pregnancy or breastfeeding

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Institute for Neurorehabilitation Research, BDH-Clinic Hessich Oldendorf

Hessisch Oldendorf, Lower Saxony, 31840, Germany

RECRUITING

Related Publications (3)

  • Classen und Nowitzki. Serum-Magnesium: Normalwerte und Referenzbereiche. Magnesium-Bulletin 1990; 12(4):127-132.

    BACKGROUND
  • Tu X, Qiu H, Lin S, He W, Huang G, Zhang X, Wu Y, He J. Low levels of serum magnesium are associated with poststroke cognitive impairment in ischemic stroke patients. Neuropsychiatr Dis Treat. 2018 Nov 2;14:2947-2954. doi: 10.2147/NDT.S181948. eCollection 2018.

  • Kaesberg S, Fink GR, Kalbe E. [Neuropsychological assessment early after stroke--an overview of diagnostic instruments available in German and introduction of a new screening tool]. Fortschr Neurol Psychiatr. 2013 Sep;81(9):482-92. doi: 10.1055/s-0033-1350452. Epub 2013 Aug 28. German.

MeSH Terms

Conditions

StrokeNervous System Diseases

Condition Hierarchy (Ancestors)

Cerebrovascular DisordersBrain DiseasesCentral Nervous System DiseasesVascular DiseasesCardiovascular Diseases

Study Officials

  • Simone B Schmidt, Dr.

    BDH-Clinic Hessisch Oldendorf

    PRINCIPAL INVESTIGATOR

Central Study Contacts

Simone B Schmidt, Dr.

CONTACT

Jens D Rollnik, Prof.

CONTACT

Study Design

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

Study Record Dates

First Submitted

October 11, 2021

First Posted

November 24, 2021

Study Start

October 26, 2022

Primary Completion (Estimated)

December 31, 2026

Study Completion (Estimated)

September 30, 2027

Last Updated

April 20, 2026

Record last verified: 2026-04

Locations