Status:
COMPLETED
Assessment of the Pharmacodynamic Effect on Plasma Folate and Red Blood Cell Folate and Comparison of the Folate Metabolites During the 24 Weeks of Treatment (Yasmin + Metafolin Versus Yasmin + Folic Acid) Followed by a 20 Week Elimination Phase of Folate
Lead Sponsor:
Bayer
Conditions:
Contraception
Eligibility:
FEMALE
18-40 years
Phase:
PHASE1
Brief Summary
The purpose of this study is to examine and compare the uptake of levomefolate calcium (Metafolin, a registered vitamin supplement) and folic acid in the body during 24 weeks of treatment with a follo...
Eligibility Criteria
Inclusion
- Age 18-40 years.
- RBC folate \> 317 nmol/L and \< 906 nmol/L.
- At least 1 menstruation during the last 3 months before screening with the exception of women using progestin-only methods (injection, implant) or progestin-releasing intrauterine system (IUS).
- Negative pregnancy test at screening and at admission into the study.
- Healthy as confirmed by medical history and physical examination.
- Body mass index (BMI) of 18.5-30.0 kg/m2 .
- Volunteers that smoke less than 10 cigarettes per day can be included up to the age of 30 years.
- Adequate vitamin B12 status defined as plasma B12 concentrations ≥ 110 pmol/L.
Exclusion
- Regular intake of folic acid defined as \> 100 μg folic acid/day in vitamin supplements or fortified food during the last 4 months.
- Treatment with the following medications, which has the potential of interfering with folate metabolism: cholestyramine, methotrexate, trimethoprim, sulfasalazine, salicylic acid, cotrimoxazol, antacids or antiepileptic drugs.
- Pregnancy, lactation (at least three cycles have to follow delivery, abortion, or lactation before start of treatment)
- Vascular or metabolic disease including existing or previous arterial thromboembolic diseases (myocardial infarction, stroke), existing or previous venous thromboembolic diseases (deep vein thrombosis, pulmonary embolism), and any condition which could increase the risk to suffer any of the above mentioned disorders
- Any disease or condition that could compromise the function of the body systems and could result in altered absorption, excessive accumulation, impaired metabolism, or altered excretion of the study medication.
- Any disease that may worsen under hormonal treatment or might interfere with the conduct of the study or the interpretation of the results (e.g., herpes gestationis or idiopathic icterus pregnancy; middle-ear deafness ; Sydenham's chorea, porphyria, disturbances in the bile flow.
- Liver diseases: Presence or history of severe hepatic diseases including benign or malignant tumors
Key Trial Info
Start Date :
December 1 2006
Trial Type :
INTERVENTIONAL
Allocation :
ACTUAL
End Date :
January 1 2008
Estimated Enrollment :
172 Patients enrolled
Trial Details
Trial ID
NCT01258660
Start Date
December 1 2006
End Date
January 1 2008
Last Update
September 20 2013
Active Locations (1)
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1
Nuvisan GmbH
Neu-Ulm, Bavaria, Germany, 89231