Exploratory Study on the Mood and Cytokine Levels in Female Healthy Participants and Major Depressive Disorder Patients
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About
The purpose of this study is to explore the effect of an inflammatory and a psychosocial stressor and the combination thereof on mood in healthy young and elderly participants and patients with Major Depressive Disorder (MDD).
Full description
This is a 2-way crossover (method used to switch patients from one treatment arm to another in a clinical study), randomized (the study medication is assigned by chance), placebo-controlled (an inactive substance that is compared with a study medication to test whether the medication has a real effect in a clinical study) study in 3 cohorts (group of individuals with similar characteristics) ie, 18 healthy young female participants; 18 healthy elderly female participants; 18 female patients with a past history of MDD. Participants will be randomized to 1 of 6 possible treatment groups: Group 1: Treatment AB, Group 2: Treatment BA, Group 3: Treatment AC, Group 4: Treatment CA, Group 5: Treatment AD, Group 6: Treatment DA, where Treatment A is placebo vaccination, Treatment B is typhoid vaccination, Treatment C is psychosocial stress (Trier Social Stress Test [TSST]) followed by placebo vaccination, and Treatment D is psychosocial stress (TSST) followed by typhoid vaccination. Participants from each of the 3 cohorts will be randomized to these 6 treatment groups. In all the 6 groups the 1st treatment comes under Period 1 and 2nd treatment under Period 2 (eg, In Group 1: Treatment A [Period 1] and Treatment B [Period 2]) and there will be a minimally 7- and maximally 14- day washout period (period when no treatment is received) between the study periods. The study will consist of an eligibility screening examination (from 21 to 2 days prior to Day 1 of Period 1); a run-in visit (only prior to Period 1) in which eligible participants will be briefly explained about the cognitive test battery and immediately thereafter the baseline of cognitive function will be measured via these tests; 2 single-blind (a clinical study in which the person giving the treatment, but not the patient, knows which treatment the patient is receiving) treatment periods (2-way crossover); and a follow-up examination by phone (approximately 7 to 14 days after last treatment [Period 2]). For each participant, the maximal study duration will not exceed 8 weeks.
Enrollment
Sex
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Inclusion criteria
- Has body mass index (BMI) [weight in kilograms / (height in meters x height in meters)] between 18 and 30 kg/m2
- For young healthy participants: female, 25 to 45 years of age; elderly healthy participants: female: ≥ 65 years of age & with baseline C-reactive protein (CRP) > 5 mg/mL; (partially) remitted MDD patients: female, 25 to 45 years of age
- Inclusion criteria specific for patients with MDD: -Patients with a history (within 24 months) of MDD must have a Montgomery-Asberg Depression Rating Scale (MADRS) total score < 15 and symptom remission (temporary absence of disease symptoms) relative to the acute episode must have been present for at least 3 months
Exclusion criteria
- Has a current Diagnostic and Statistical Manual of Mental Disorders IV (DSM-IV) axis I diagnosis (other than MDD)
- Has recently experienced a psychosocial stressor within 6 months
- Has acute symptoms of suicidality (the likelihood of an individual completing suicide)
- Has a DSM-IV diagnosis of substance abuse or dependence within 6 months prior to screening evaluation
- Has been exposed to an experimental medication or experimental medical device within 90 days before screening
- Has a serology (scientific study of blood serum and other bodily fluids) positive for hepatitis B surface antigen (HBsAg), hepatitis C antibodies or HIV antibodies at screening
- Has been exposed to typhoid or typhoid vaccine within 5 years before screening
- Has been prior exposed to the Trier Social Stress Test (TSST)
- Has received electroconvulsive therapy (shock therapy) within 3 months before screening
- Has been involuntarily committed to psychiatric hospitalization
- Has donated 1 or more units (approximately 450 mL) of blood or had an acute loss of an equivalent amount of blood within 90 days prior to study medication administration
Trial design
Primary purpose
Allocation
Interventional model
Masking
40 participants in 6 patient groups
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Data sourced from clinicaltrials.gov
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