Using the data from the HelP study, the underlying processes of the diseases ME/CFS and PAIS are to be researched and elucidated. The comparison of affected patients with healthy controls is intended to identify disease-specific patterns that could be related to the development or progression of the disease. The aim is to find a suitable biomarker for diagnostics and to develop therapeutic approaches.
The underlying pathomechanisms of the diseases PAIS and ME/CFS are to be investigated and elucidated in more detail. The aim is to establish a cohort of healthy controls at our MRI Chronic Fatigue Center (MCFC). Within this cohort, the measurement instruments used so far in ME/CFS diagnostics will be validated. In addition, data material from this pool should be used for the statistical evaluations of various case-control studies of our center and our cooperation partners in order to find and develop a suitable biomarker for diagnostics and therapeutic approaches for PAIS and ME/CFS.
Study Type
OBSERVATIONAL
Enrollment
200
The following clinical data sources are used: * Personal interview (anamnesis) * Physical examination * Questionnaires * Functional assessment * Imaging techniques The following biological materials are used: • Max. 30 ml of blood
Personal data
Name, date of birth, contact details
Time frame: Measurement is taken at a single time point right after enrollment
Clinical data
Sex, vaccination status, level of education, occupation, smoking and alcohol behavior, other addictive behavior, competitive sports
Time frame: Measurement is taken at a single time point right after enrollment
Physical assessment
weight and height will be combined to report BMI in kg/m\^2
Time frame: Measurement is taken at a single time point right after enrollment
Heart rate
beats per minute
Time frame: Measurement is taken at a single time point right after enrollment
Blood pressure
in mmHg
Time frame: Measurement is taken at a single time point right after enrollment
Questionnaire data
Following questionnaires are rated on a scale: MBSQ, Chalder Fatigue Scale, PedsQL Fatigue, Bell Score, DSQ-PEM, SF-36, PedsQL, EQ5D, PHQ4, Compass31
Time frame: Measurement is taken at a single time point right after enrollment
YSR questionnaire
Open questions and questions to be rated on a scale
Time frame: Measurement is taken at a single time point right after enrollment
Imaging
OCT-A: Imaging of ocular fundus
Time frame: Measurement is taken at a single time point right after enrollment
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Full blood count
CRP, Ferritin, Creatinin, GPT and Immunglobuline
Time frame: Measurement is taken at a single time point right after enrollment
Deformability Cytometer
Cell-deformation
Time frame: Measurement is taken at a single time point right after enrollment
Virology
EBV, CMV, HSV1, HSV2 and Sars CoV2 antibodies
Time frame: Measurement is taken at a single time point right after enrollment
Immunology
ANA, Cystatin C, dsDNA Ak
Time frame: Measurement is taken at a single time point right after enrollment
Endocrinology
TPO antibodies
Time frame: Measurement is taken at a single time point right after enrollment
B-cell phenotyping
Analysis of surface antigens using cytometry by time of flights (CyTOF)
Time frame: Measurement is taken at a single time point right after enrollment
Pain threshold
Measuring pressure tolerancy in Newton by means of an algometer at the iliotibial tract, phalanx distalis III, trapezius muscle in triplicates
Time frame: Measurement is taken at a single time point right after enrollment
Orthostasic Tolerance
blood pressure and heart rate are measured during the 10-minute standing test to determine orthostasic tolerance
Time frame: Measurement is taken at a single time point right after enrollment
Grip strength
Hand dynamometer test to assess grip strength in Newton
Time frame: Measurement is taken at a single time point right after enrollment
Smell test
Recognition of different substances
Time frame: Measurement is taken at a single time point right after enrollment