Randomized Study of Decreased Hyperinsulinemia on the Ovulatory Response to Clomiphene Citrate in Women With Polycystic Ovary Syndrome
clomiphene citrate
+ metformin
Maladies génito-urinaires+18
+ Maladies Génitales
+ Maladies Annexielles
Étude thérapeutique
Résumé
Date de début de l'étude : 1 janvier 2000
Date à laquelle le premier participant a commencé l'étude.PROTOCOL OUTLINE: This is a randomized, double blind, placebo controlled, multicenter study. Patients are randomized to one of two treatment arms. Patients receive oral metformin or oral placebo three times daily for 7 weeks. Patients remaining anovulatory by day 49 receive metformin or placebo plus escalating doses of oral clomiphene citrate daily for 5 consecutive days, beginning on days 50, 80, and 110. Following ovulation, treatment with clomiphene citrate and metformin or placebo continues until 6 ovulatory cycles occur, pregnancy occurs, or anovulation persists. Patients receiving the placebo arm who have not ovulated on the highest dose of clomiphene citrate may be crossed over to receive metformin after a 6 week washout.
Protocole
Cette section fournit des détails sur le plan de l'étude, y compris la manière dont l'étude est conçue et ce qu'elle évalue.99 participants à inclure
Nombre total de participants que l'essai clinique vise à recruter.Traitement
Éligibilité
Les chercheurs recherchent des patients correspondant à une certaine description appelée critères d'éligibilité : état de santé général ou traitements antérieurs du patient.Femme
Le sexe biologique des participants éligibles à s'inscrire.De 18 à 40 ans
Tranche d'âge des participants éligibles à participer.Volontaires sains non autorisés
Indique si les individus en bonne santé et ne présentant pas la condition étudiée peuvent participer.Conditions
Pathologie
Critères
PROTOCOL ENTRY CRITERIA: --Disease Characteristics-- Patients with chronic anovulation due to polycystic ovary syndrome (PCOS) who have failed clomiphene citrate Must have oligoovulation and hyperandrogenemia --Prior/Concurrent Therapy-- Endocrine therapy: At least 2 months since prior clomiphene citrate Other: At least 2 months since prior standard therapy (including over the counter drugs) At least 2 months since prior investigational drugs Prior multi/prenatal vitamins allowed --Patient Characteristics-- Hematopoietic: Hematocrit greater than 38% Hepatic: Liver function normal No clinically significant hepatic disease Renal: No clinically significant renal disease Creatinine less than 1.4 mg/dL No proteinuria Cardiovascular: No clinically significant cardiac disease Pulmonary: No clinically significant pulmonary disease Hormonal: Thyroid function normal Prolactin normal Estradiol normal Fasting 17 alpha-hydroxy progesterone less than 200 ng/dL OR No late onset adrenal hyperplasia 21 alpha-hydroxylase deficiency Other: Not pregnant Negative pregnancy test Male partner must have a normal semen analysis by WHO criteria Must be in acceptable health by interview, medical history, physical exam, and laboratory tests No diabetes mellitus No clinically significant neurologic, psychiatric, infectious, neoplastic, or metabolic disease No clinically significant malignant disease except nonmelanomatous skin cancer At least 1 year since any prior drug abuse or alcoholism
Centres d'étude
Ce sont les hôpitaux, cliniques ou centres de recherche où l'essai est conduit. Vous pouvez trouver le site le plus proche de vous ainsi que son statut.Cette étude comporte 6 sites
University of Alabama at Birmingham
Birmingham, United StatesOuvrir University of Alabama at Birmingham dans Google MapsLouisiana State University School of Medicine
Shreveport, United StatesWashington University - St. Louis
St Louis, United StatesUniversity of Virginia
Charlottesville, United States