title: Effect of a new oral contraceptive with drospirenone on vital signs, complete blood count, glucose, electrolytes, renal, and liver function.
abstract: OBJECTIVE
  To evaluate the effect of a new oral contraception formulation with drospirenone (Yasmin) on vital signs, complete blood count, glucose, electrolytes, and renal and liver function.
  
  
  METHODS
  An open-label non-comparative clinical trial was conducted. One hundred women who were planning to use oral contraception for at least six months were recruited. The subjects received a blister pack which contained 21 tablets of 3 mg drospirenone /30 tg ethinyl estradiol for the first four cycles (1 cycle = 28 days). Cycle 5 and 6 blister packs were dispensed during the visit in cycle 4. Heart rate and blood pressure of each subject were checked at baseline and each visit. Serum from each subject was collected and sent for complete blood count, glucose, electrolytes, and renal and liver function tests at baseline and at cycle 6. Mean differences in these tests at cycle 6 compared to baseline were assessed.
  
  
  RESULTS
  Ninety-two of the 100 subjects (92%) completed the present study. There was no significant change in heart rate, blood pressure, complete blood count, glucose, electrolytes, and renal and liver function tests at cycle 6 when compared to baseline.
  
  
  CONCLUSIONS
  Oral contraception formulation with drospirenone (Yasmin) is well tolerated and has good contraceptive efficacy. It is safe, as it has no effect on heart rate, blood pressure, complete blood count, glucose, electrolytes, and renal and liver function.
authors.affiliation: Department of Obstetrics and Gynecology, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand.
authors.forename: Surasak
authors.initials: S
authors.lastname: Taneepanichskul
authors.forename: Unnop
authors.initials: U
authors.lastname: Jaisamrarn
authors.forename: Vorapong
authors.initials: V
authors.lastname: Phupong
mesh_terms: D000328:Adult; D000736:Androstenes / Q000494:pharmacology*; D001772:Blood Cell Count; D001786:Blood Glucose / Q000187:drug effects*; D001794:Blood Pressure / Q000187:drug effects*; D003276:Contraceptives, Oral / Q000494:pharmacology*; D004997:Ethinyl Estradiol / Q000494:pharmacology*; D005260:Female; D006339:Heart Rate / Q000187:drug effects*; D006801:Humans; D007668:Kidney / Q000187:drug effects* / Q000502:physiology*; D008099:Liver / Q000187:drug effects* / Q000502:physiology*; D014882:Water-Electrolyte Balance / Q000187:drug effects*
chemical_list: D000736:Androstenes; D001786:Blood Glucose; D003276:Contraceptives, Oral; D004997:Ethinyl Estradiol; C035144:drospirenone