The proposed study will provide an assessment of the effect of this combination on endocrine function, metabolic control and hemostasis during 6 treatment cycles. This will be compared to the effects of two reference COCs.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
PREVENTION
Masking
NONE
Enrollment
101
15 mg E4 combined with 3 mg DRSP administered in a 24/4-day regimen (i.e. 24 days of pink active tablets followed by 4 days of white placebo tablets). One tablet per day orally for 6 treatment cycles.
30 mcg EE combined with 150 mcg LNG administered in a 21/7-day regimen (i.e. 21 days of yellow active tablets followed by 7 days of white placebo tablets). One tablet per day orally for 6 treatment cycles.
20 mcg EE combined with 3 mg DRSP administered in a 24/4-day regimen (i.e. 24 days of pink active tablets followed by 4 days of white placebo tablets). One tablet per day orally for 6 treatment cycles.
Dinox BV
Groningen, Netherlands
Plasma concentration of prothrombin fragment 1+2
Time frame: Between Days 18 and 21 for the pretreatment Cycle, and between Days 18 and 21 for the Cycles 3 and 6 (1 cycle = 28 days).
Plasma concentration of APC resistance (ETP-based, APTT-based)
Time frame: Between Days 18 and 21 for the pretreatment Cycle, and between Days 18 and 21 for the Cycles 3 and 6 (1 cycle = 28 days).
Plasma concentration of D-dimer
Time frame: Between Days 18 and 21 for the pretreatment Cycle, and between Days 18 and 21 for the Cycles 3 and 6 (1 cycle = 28 days).
Plasma concentration of factor VII
Time frame: Between Days 18 and 21 for the pretreatment Cycle, and between Days 18 and 21 for the Cycles 3 and 6 (1 cycle = 28 days).
Plasma concentration of factor VIII
Time frame: Between Days 18 and 21 for the pretreatment Cycle, and between Days 18 and 21 for the Cycles 3 and 6 (1 cycle = 28 days).
Plasma concentration of von Willebrand factor
Time frame: Between Days 18 and 21 for the pretreatment Cycle, and between Days 18 and 21 for the Cycles 3 and 6 (1 cycle = 28 days).
Plasma concentration of factor II
Time frame: Between Days 18 and 21 for the pretreatment Cycle, and between Days 18 and 21 for the Cycles 3 and 6 (1 cycle = 28 days).
Plasma concentration of antithrombin
Time frame: Between Days 18 and 21 for the pretreatment Cycle, and between Days 18 and 21 for the Cycles 3 and 6 (1 cycle = 28 days).
Plasma concentration of free and total Protein S
Time frame: Between Days 18 and 21 for the pretreatment Cycle, and between Days 18 and 21 for the Cycles 3 and 6 (1 cycle = 28 days).
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Plasma concentration of protein C
Time frame: Between Days 18 and 21 for the pretreatment Cycle, and between Days 18 and 21 for the Cycles 3 and 6 (1 cycle = 28 days).
Plasma concentration of plasminogen activator inhibitor type-1 (PAI-1)
Time frame: Between Days 18 and 21 for the pretreatment Cycle, and between Days 18 and 21 for the Cycles 3 and 6 (1 cycle = 28 days).
Plasma concentration of tissue type plasminogen activator (t-PA)
Time frame: Between Days 18 and 21 for the pretreatment Cycle, and between Days 18 and 21 for the Cycles 3 and 6 (1 cycle = 28 days).
Plasma concentration of plasminogen
Time frame: Between Days 18 and 21 for the pretreatment Cycle, and between Days 18 and 21 for the Cycles 3 and 6 (1 cycle = 28 days).
Plasma concentration of free tissue factor pathway inhibitor (TPFI)
Time frame: Between Days 18 and 21 for the pretreatment Cycle, and between Days 18 and 21 for the Cycles 3 and 6 (1 cycle = 28 days).
Plasma concentration of E-selectin
Time frame: Between Days 18 and 21 for the pretreatment Cycle, and between Days 18 and 21 for the Cycles 3 and 6 (1 cycle = 28 days).
Plasma concentration of fibrinogen
Time frame: Between Days 18 and 21 for the pretreatment Cycle, and between Days 18 and 21 for the Cycles 3 and 6 (1 cycle = 28 days).
Serum concentration of insulin
Time frame: At screening, between Days 18 and 21 for the pretreatment Cycle, and between Days 18 and 21 for Cycles 3 and 6 (1 cycle = 28 days).
Serum concentration of glucose
Time frame: At screening, between Days 18 and 21 for the pretreatment Cycle, and between Days 18 and 21 for Cycles 3 and 6 (1 cycle = 28 days).
Serum concentration of C-peptide
Time frame: At screening, between Days 18 and 21 for the pretreatment Cycle, and between Days 18 and 21 for Cycles 3 and 6 (1 cycle = 28 days).
Plasma concentration of glycated hemoglobin (HbA1c)
Time frame: At screening, between Days 18 and 21 for the pretreatment Cycle, and between Days 18 and 21 for the Cycles 3 and 6 (1 cycle = 28 days).
Homeostasis Model Assessment - Insulin Resistance (HOMA-IR)
Time frame: At screening, between Days 18 and 21 for the pretreatment Cycle, and between Days 18 and 21 for the Cycles 3 and 6 (1 cycle = 28 days).
Oral glucose tolerance test (OGTT)
Time frame: At 0 (pre-glucose challenge), 30, 60, 90, 120 and 180 minutes after glucose challenge during pretreatment Cycle; at 0 (pre-glucose challenge), 30, 60, 90, 120 and 180 minutes after glucose challenge during Cycles 3 and 6 (1 cycle = 28 days).
Serum concentration of prolactin
Time frame: Between Days 18 and 21 for the pretreatment Cycle, and between Days 18 and 21 for the Cycles 3 and 6 (1 cycle = 28 days).
Serum concentration of follicle-stimulating hormone (FSH)
Time frame: Between Days 18 and 21 for the pretreatment Cycle, and between Days 18 and 21 for the Cycles 3 and 6 (1 cycle = 28 days).
Serum concentration of luteinizing hormone (LH)
Time frame: Between Days 18 and 21 for the pretreatment Cycle, and between Days 18 and 21 for the Cycles 3 and 6 (1 cycle = 28 days).
Serum concentration of estradiol (E2)
Time frame: Between Days 18 and 21 for the pretreatment Cycle, and between Days 18 and 21 for the Cycles 3 and 6 (1 cycle = 28 days).
Serum concentration of progesterone (P)
Time frame: Between Days 18 and 21 for the pretreatment Cycle, and between Days 18 and 21 for the Cycles 3 and 6 (1 cycle = 28 days).
Serum concentration of thyroïd stimulating hormone (TSH)
Time frame: Between Days 18 and 21 for the pretreatment Cycle, and between Days 18 and 21 for the Cycles 3 and 6 (1 cycle = 28 days).
Serum concentration of free thyroxine (fT3)/free triiodothyronine (fT4)
Time frame: Between Days 18 and 21 for the pretreatment Cycle, and between Days 18 and 21 for the Cycles 3 and 6 (1 cycle = 28 days).
Serum concentration of dihydroepiandrostenedione (DHEAS)
Time frame: Between Days 18 and 21 for the pretreatment Cycle, and between Days 18 and 21 for the Cycles 3 and 6 (1 cycle = 28 days).
Serum concentration of androstenedione
Time frame: Between Days 18 and 21 for the pretreatment Cycle, and between Days 18 and 21 for the Cycles 3 and 6 (1 cycle = 28 days).
Serum concentration of total testosterone (T)
Time frame: Between Days 18 and 21 for the pretreatment Cycle, and between Days 18 and 21 for the Cycles 3 and 6 (1 cycle = 28 days).
Serum concentration of dihydrotestosterone (DHT)
Time frame: Between Days 18 and 21 for the pretreatment Cycle, and between Days 18 and 21 for the Cycles 3 and 6 (1 cycle = 28 days).
Serum concentration of total cortisol
Time frame: Between Days 18 and 21 for the pretreatment Cycle, and between Days 18 and 21 for the Cycles 3 and 6 (1 cycle = 28 days).
Serum concentration of aldosterone
Time frame: Between Days 18 and 21 for the pretreatment Cycle, and between Days 18 and 21 for the Cycles 3 and 6 (1 cycle = 28 days).
Serum concentration of high density lipoprotein (HDL)-cholesterol
Time frame: At screening, between Days 18 and 21 for the pretreatment Cycle, and between Days 18 and 21 for the Cycles 3 and 6 (1 cycle = 28 days).
Serum concentration of low density lipoprotein (LDL)-cholesterol
Time frame: At screening, between Days 18 and 21 for the pretreatment Cycle, and between Days 18 and 21 for the Cycles 3 and 6 (1 cycle = 28 days).
Serum concentration of total cholesterol
Time frame: At screening, between Days 18 and 21 for the pretreatment Cycle, and between Days 18 and 21 for the Cycles 3 and 6 (1 cycle = 28 days).
Serum concentration of triglycerides
Time frame: At screening, between Days 18 and 21 for the pretreatment Cycle, and between Days 18 and 21 for the Cycles 3 and 6 (1 cycle = 28 days).
Serum concentration of lipoprotein (a)
Time frame: Between Days 18 and 21 for the pretreatment Cycle, and between Days 18 and 21 for the Cycles 3 and 6 (1 cycle = 28 days).
Serum concentration of apoliporotein A1
Time frame: Between Days 18 and 21 for the pretreatment Cycle, and between Days 18 and 21 for the Cycles 3 and 6 (1 cycle = 28 days).
Serum concentration of apoliporotein B
Time frame: Between Days 18 and 21 for the pretreatment Cycle, and between Days 18 and 21 for the Cycles 3 and 6 (1 cycle = 28 days).
Serum concentration of C-reactive protein
Time frame: Between Days 18 and 21 for the pretreatment Cycle, and between Days 18 and 21 for the Cycles 3 and 6 (1 cycle = 28 days).
Serum concentration of corticosteroid binding globulin (CBG)
Time frame: Between Days 18 and 21 for the pretreatment Cycle, and between Days 18 and 21 for the Cycles 3 and 6 (1 cycle = 28 days).
Serum concentration of sex hormone binding globulin (SHBG)
Time frame: Between Days 18 and 21 for the pretreatment Cycle, and between Days 18 and 21 for the Cycles 3 and 6 (1 cycle = 28 days).
Serum concentration of thyroxin binding globulin (TBG)
Time frame: Between Days 18 and 21 for the pretreatment Cycle, and between Days 18 and 21 for the Cycles 3 and 6 (1 cycle = 28 days).
Serum concentration of angiotensinogen
Time frame: Between Days 18 and 21 for the pretreatment Cycle, and between Days 18 and 21 for the Cycles 3 and 6 (1 cycle = 28 days).
Number of subjects with adverse events as a measure of safety and tolerability
Time frame: From up to 28 days before randomization to maximum Day 4 of the Cycle 7 (1 cycle = 28 days).
Serum concentration of lactate dehydrogenase (LDH) 1 and 2
Time frame: Between Days 18 and 21 for the pretreatment Cycle and between Days 18 and 21 for the Cycle 6 (1 cycle = 28 days)
Serum concentration of tropinin T and I
Time frame: Between Days 18 and 21 for the pretreatment Cycle and between Days 18 and 21 for the Cycle 6 (1 cycle = 28 days)
Electrocardiogram (ECG) parameters
The following ECG parameters will be recorded: heart rate, PR-interval, QRS-duration, QT-interval, QTc interval (Fridericias's)
Time frame: At screening and between Days 18 and 21 for Cycle 6 (1 cycle = 28 days).
Echocardiographic parameters
Time frame: At screening and between Days 18 and 21 for Cycle 6 (1 cycle = 28 days).
Change from baseline to end of treatment in the different items of the menstrual distress questionnaires (MDQ) form C
Time frame: At pretreatment Cycle and between Days 18 and 21 for Cycle 6 (1 cycle = 28 days).