Clinical trials: CYP19
Breast Cancer, Obesity
A Pilot Study of Docosahexaenoic Acid (DHA) in Obese Menopausal Women
This study aims to determine if a supplement of an omega-3-fatty acid (docosahexaenoic - DHA) lowers inflammation in human fat tissue thereby lowering estrogen production and the potential risk for breast cancer.
- Trial name
- NCT01127867
- Testing
- dietary intervention
- Where
- United States
- Volunteers
- 17 people, healthy volunteers welcome
- Sponsor
- Rockefeller University
Obesity, Insulin Resistance
Metabolic Effects of Steroids in Obese Men
Subjects will be randomized into 4 study groups: 1. Placebo; 2. Anastrazole and Testosterone; 3. Dutasteride and Testosterone; and 4. Testosterone only.
- Trial name
- NCT00983554
- Testing
- Anastrazole, Testosterone, Dutasteride
- Where
- 2 sites in United States
- Volunteers
- 57 people, healthy volunteers welcome
- Sponsor
- National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
Fertility
Aromatase Inhibitor Effects on Ovarian Function During the Follicular and Early Luteal Phase in Women
A single center, open label randomized clinical trial designed to examine ovarian follicular dynamics following attempted atresia induction during the late follicular and early luteal phase of the menstrual cycle using an…
- Trial name
- NCT01046578
- Testing
- Letrozole
- Where
- Canada
- Volunteers
- 41 people, healthy volunteers welcome
- Sponsor
- University of Saskatchewan
PCOS (Polycystic Ovary Syndrome), Infertility
Letrozole Extended vs Traditional Therapy for Ovulation Induction in Women With PCOS (PROLEx-PCOS)
This randomized clinical trial aims to compare the efficacy and safety of extended letrozole therapy (5 mg/day for 10 days) versus standard letrozole therapy (5 mg/day for 5 days) for ovulation induction in women with polycystic…
- Conditions
- PCOS (Polycystic Ovary Syndrome), Infertility, Anovulation
- Trial name
- PROLEx-PCOS (NCT07159880)
- Testing
- Traditional Letrozole Therapy, Extended Letrozole Therapy
- Where
- Brazil
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- GABRIEL MONTEIRO PINHEIRO
Breast Cancer
Cognitive Function in Older Women With Stage I, Stage II, or Stage III Breast Cancer Receiving Hormone Therapy
RATIONALE: Gathering information about cognitive function over time in postmenopausal women with breast cancer may help doctors learn about the long-term effects of aromatase inhibitor therapy and plan the best treatment.
- Trial name
- NCT00681928
- Testing
- anastrozole, letrozole, questionnaire administration
- Where
- United States
- Volunteers
- 72 people, healthy volunteers welcome
- Sponsor
- City of Hope Medical Center
Breast Cancer
Effect of Aromatase Inhibitors on Breast Magnetic Resonance Imaging (MRI)
This study is a primary investigation to determine the usefulness and safety of a short course of a relatively high dose of letrozole (a medication used to decrease the female hormone estrogen which is produced locally inside the…
- Trial name
- RFCLET2 (NCT01129622)
- Testing
- letrozole
- Where
- Canada
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- Mount Sinai Hospital, Canada
Breast Cancer
The Effect of Aromatase Inhibitors on Cardiovascular Risk Factors in Women With Breast Cancer
This study explores how aromatase inhibitor therapy affects risk factors for heart disease in postmenopausal women with breast cancer.
- Trial name
- Silhouette (NCT01080170)
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University of Pittsburgh
Metastatic Breast Cancer
Study of ESR1 Mutations in Metastatic Breast Cancer
The purpose of the study is to determine the frequency ESR1 mutations by Digital PCR in patient with metastatic breast cancer.
- Trial name
- FMER (NCT02473120)
- Testing
- Determination of ESR1 mutations
- Where
- France
- Volunteers
- 104 people, healthy volunteers welcome
- Sponsor
- Centre Henri Becquerel
Breast Cancer
The Effect of Grape Seed Extract on Estrogen Levels of Postmenopausal Women
The role of estrogens in the pathogenesis of breast cancer has been well documented. This has led to the development of "Anti-Estrogens" (selective estrogens receptor modulators and Aromatase Inhibitors), used for treatment and…
- Trial name
- NCT00566553
- Testing
- Grape Seed Extract
- Where
- United States
- Volunteers
- 39 people, healthy volunteers welcome
- Sponsor
- Mayo Clinic
Arthralgia, Breast Cancer
Joint Pain and Medication Adherence in Postmenopausal Women Receiving Aromatase Inhibitors
RATIONALE: Gathering information over time about joint pain and stiffness from postmenopausal women with early-stage breast cancer who are receiving aromatase inhibitors may help doctors plan treatment and help patients live more…
- Trial name
- NCT00954564
- Testing
- aromatase inhibition therapy - OBSERVATIONAL ONLY, medical chart review, questionnaire administration
- Where
- 2 sites in United States
- Volunteers
- 351 people, healthy volunteers welcome
- Sponsor
- Vanderbilt University Medical Center
Breast Cancer, Xerostomia
Oral Health and Oral Health-Related Quality of Life in Early Stage Breast Cancer Survivors
The 3 Specific Aims are (1) To determine the prevalence, incidence and severity of oral conditions in postmenopausal early stage breast cancer survivors within the first 18 months of adjuvant Aromatase Inhibitor(AI) therapy, (2)…
- Trial name
- NCT01272570
- Where
- United States
- Volunteers
- 58 people, healthy volunteers welcome
- Sponsor
- University of Michigan
Cognitive Side Effects of Cancer Therapy, Hypoestrogenism
ENDO-BRAIN: Effects of Endocrine Adjuvant Therapy with Aromatase Inhibitors on the Cognitive Function of Breast Cancer Patients
The principal aim of this prospective observational study is to investigate the cognitive function of breast cancer patients that use AI, comparing it with age-matched healthy controls, utilizing cognitive assessments and…
- Trial name
- ENDO-BRAIN (NCT06606535)
- Testing
- validated questionnaires, functional MRI, Optical Coherent Tomography Angiography
- Where
- Italy
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Ospedale Policlinico San Martino
Anovulation
Administration of Single High Dose Letrozole for Ovulation Induction
Letrozole is considered an established treatment for ovulation induction.The most common protocol is daily dose of 2.5-7.5 mg starting day 3-5 of the cycle for 5 days.Another described protocol is single high dose 20mg Letrozole…
- Trial name
- NCT02703649
- Testing
- Letrozole
- Where
- 2 sites in Canada
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- Mount Sinai Hospital, Canada
Uterine Adenomyosis, Recurrent Implantation Failure
Aromatase Plus GnRH Analogue Versus GnRH Analog Alone in Adenomyosis
With this study the investigators want to test which is the best medical treatment for symptomatic adenomyosis affecting women undergoing IVF and with previous implantation failure, between Aromatase inhibitor plus GnRH analog…
- Conditions
- Uterine Adenomyosis, Recurrent Implantation Failure, Menstrual Pain
- Trial name
- NCT03421639
- Testing
- GnRH analog (11.25mg Leuprolide acetate), Aromatase inhibitor and GnRH analog, Aromatase and GnRH analog (11.25mg Leuprolide acetate)
- Where
- 3 sites in Albania, Bulgaria and 1 more
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- Centre for Endocrinology and Reproductive Medicine, Italy
HER2-Positive Breast Carcinoma
Impact of Aromatase Inhibitor Therapy on Glucose Homeostasis and Diabetes Risk
This study assesses the effect of hormone directed treatment for breast cancer on glucose metabolism.
- Trial name
- NCT06557057
- Testing
- Non-Interventional Study
- Where
- United States
- Volunteers
- 81 people, healthy volunteers welcome
- Sponsor
- Mayo Clinic
Hormone Receptor-Positive Breast Cancer
Estradiol Levels According to Body Mass Index in Premenopausal Patients With Breast Cancer
his prospective observational study will evaluate whether body mass index (BMI) is associated with serum estradiol levels in premenopausal women with hormone receptor-positive breast cancer.
- Trial name
- SIMPEC-E2 (NCT07833501)
- Volunteers
- 172 people, healthy volunteers welcome
- Sponsor
- D'Or Institute for Research and Education
UTERINE LEIOMYOMA
Influence of Aromatase Inhibitors and GnRH Analogs to Treat Uterine Leiomyoma by Vaginal Hysterectomy
The investigators aimed to assess if use of aromatase inhibitors could decrease volume of uterine leiomyoma and cause same percentage of adverse effects during its use compared to GnRH analogs.
- Trial name
- NCT01280045
- Testing
- VAGINAL HYSTERECTOMY
- Volunteers
- 5 people, healthy volunteers welcome
- Sponsor
- University of Sao Paulo
Breast Cancer
Effect of Sukshma Vyayama Yoga on Aromatase Inhibitor-Induced Arthralgia in Breast Cancer Survivors
The purpose of this study is to investigate the efficacy of sukshma vyayama joint loosening yoga in improving aromatase inhibitor-induced arthralgia in post-menopausal breast cancer survivors and secondarily, to evaluate the…
- Trial name
- NCT04042870
- Testing
- Joint Loosening Yoga
- Where
- United States
- Volunteers
- 38 people, healthy volunteers welcome
- Sponsor
- AshtaYoga, LLC
Hormone Receptor-positive Breast Cancer
Efficacy and Safety of Leuprorelin 3M in Premenopausal Women With Hormone Receptor-positive Breast Cancer
Leuprorelin, a LHRH agonist, acts as a potent inhibitor of gonadotropin secretion and is commonly used for the treatment of hormone-responsive prostate cancer, premenopausal HR+ breast cancer, endometriosis and uterine fibroids.
- Trial name
- NCT04891731
- Testing
- AI or TAM
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University
Breast Cancer
Studying the Effect of Freeze-Dried Table Grape Powder on Blood Estrogen Levels in Postmenopausal Women
RATIONALE: Estrogen can cause the growth of breast cancer cells. Studying samples of blood and urine in the laboratory from participants receiving freeze-dried table grape powder may help doctors understand the effect of this…
- Trial name
- NCT00611104
- Testing
- standardized freeze-dried table grape powder, laboratory biomarker analysis, pharmacological study
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Mayo Clinic