About this trial
The overall aim of this present study is to evaluate Growth Differentiation Factor-15 (GDF-15) and inflammatory cytokines as a possible novel and readily treatable target for the successful therapy of Anorexia Nervosa (AN). Therefore, GDF-15, neuronal and glial damage markers such as Neurofilament light chain (Nfl) and Glial fibrillary acidic protein (GFAP) and cytokines (such as Tumor necrosis factor alpha (TNF-α), Interleukin-6 (IL-6), and Interleukin 1β (IL-1β) levels will be assessed in the serum as well as in the cerebrospinal fluid of patients with diagnosed restrictive AN with and without exercising behavior compared to sex- and age-matched healthy controls to consolidate previous findings and to identify the main site of production of GDF-15 and cytokines in AN.
Eligibility criteria
This trial accepts healthy volunteersQualifiers
Age 18-60 years
Written informed consent
BMI 10-16 kg/m2
Age 18-60 years
Disqualifiers
Use of antibiotics within the last 31 days
Current illicit drug abuse including daily marijuana or CBD (cannabidiol) consumption (≤ 24 g of alcohol per day allowed)
Any kind of severe chronic disease other than AN (e.g. active cancer disease)
Severe renal impairment (e.g. estimated glomerular filtration rate <30 ml/min/m2) if resulting from another disease than AN
Trial population
Patients with confirmed diagnosis of AN will be recruited via the anorexia outpatient clinic of the Endocrinology Department, University Hospital Basel, headed by Prof. Dr. Katharina Timper and via advertisement. Healthy sex- and age (+/- 3 years of age difference) control participants will be recruited at the medical and endocrinology outpatient clinic of the University Hospital of Basel and via advertisement.
Trial design
Cohort
Prospective
Treatments tested in this trial
Not listed
Trial groups
Trial outcomes
Primary outcomes
Growth Differentiation Factor-15 (GDF-15) (pg/ml) level in the plasma
Comparison of GDF-15 (pg/ml) level in the plasma of AN patients and normal-weight controls Blood in overnight-fasted study participants will be taken from a cubital vein and analyzed for GDF-15 (pg/ml)
Growth Differentiation Factor-15 (GDF-15) (pg/ml) level in the cerebrospinal fluids
Comparison of GDF-15 level in the cerebrospinal fluids of AN patients and normal-weight controls. CSF will be analysed only from patients who undergo a liquor puncture as part of their clinical assessment and consent to having taken an extra 5ml. Cerebrospinal fluid (CSF) will then be analysed for GDF-15 (pg/ml)
Sponsors and contacts
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University Hospital, Basel, Switzerland
Lead sponsor
University of Zurich
Collaborator