Clinical trials: Letrozole
Healthy
Fasting Study of Letrozole Tablets 2.5 mg and Femara® Tablets 2.5 mg
The objective of this study was to investigate the bioequivalence of Mylan's letrozole 2.5 mg tablets to Novartis' Femara® 2.5 mg tablets following a single, oral 2.5 mg (1 x 2.5 mg) dose administered under fasting conditions.
- Trial name
- NCT00648063
- Testing
- Letrozole Tablets 2.5 mg, Femara® Tablets 2.5 mg
- Where
- United States
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Mylan Pharmaceuticals Inc
Poor Responders Undergoing IVF
The Comparison of Effect of Four Different Treatment Protocols on IVF Outcomes in Poor Responders Undergoing in Vitro Fertilization.
The comparison of effect of four different treatment protocols: Antagonist/letrozole protocol, microdose flare-up protocol, Antagonist/clomiphene protocol, Antagonist on IVF outcomes in poor responders undergoing in vitro…
- Trial name
- NCT01948804
- Testing
- GnrH Antagonist/letrozole protocol (Cetrotide; serono + Femara; Novartis Pharma AG), microdose flare-up protocol (Lucrin; Abbott + Gonal F, Serono), Antagonist/clomiphene protocol (Cetrotide; serono + Klomen, Kocak pharma)
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Pınar Özcan Cenksoy
Infertility
Endocrinology Profile in Patients Undergoing Clomiphene, Letrozole, and Combination Clomiphene and Letrozole Cycles
The goal of the study is to measure serial hormonal levels in patients undergoing clomiphene, letrozole, and a combination clomiphene and letrozole cycle.
- Trial name
- NCT02377479
- Testing
- Clomiphene, Letrozole
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- University Hospitals Cleveland Medical Center
Polycystic Ovary Syndrome
Letrozole Dose Increments in PCOS Patients Resistant to Letrozole
Objectives: To study the effect of Letrozole dose increments on ovulation rate and endometrial thickness as a primary outcomes in patients with polycystic ovary syndrome who previously resistant to letrazole conventional dose…
- Trial name
- NCT06403488
- Testing
- Letrozole 2.5mg
- Where
- 2 sites in Egypt
- Volunteers
- 102 people, healthy volunteers welcome
- Sponsor
- Beni-Suef University
Infertility, Female
Protocols of IVF/ICSI in Poor Responders
Comparing two ovarian induction protocols in poor responders in IVF/ICSI cycles
- Trial name
- NCT04356105
- Testing
- Minimal stimulation protocol, Microflare protocol, IVF/ICSI cycle
- Where
- 2 sites in Egypt
- Volunteers
- 132 people, healthy volunteers welcome
- Sponsor
- Cairo University
Healthy, no Evidence of Disease, Lobular Breast Carcinoma in Situ
Letrozole in Preventing Breast Cancer in Healthy Postmenopausal Women at High Risk for Breast Cancer
This randomized phase I trial studies the side effects and the best dose of letrozole in preventing breast cancer in healthy postmenopausal women at high risk for breast cancer.
- Trial name
- NCT01077453
- Testing
- letrozole, quality-of-life assessment, laboratory biomarker analysis
- Where
- 3 sites in United States
- Volunteers
- 112 people, healthy volunteers welcome
- Sponsor
- National Cancer Institute (NCI)
Healthy Volunteers
Letrozole Treatment in Normal and GnRH Deficient Women
This research study involves the use of the drugs Letrozole, GnRH, and NAL-GLU GnRH antagonist. Letrozole is a drug that is approved by the U.S.
- Trial name
- NCT00351416
- Testing
- Letrozole, NAL-GLU GnRH antagonist
- Where
- United States
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- Massachusetts General Hospital
Infertility
Does Letrozole Improve the Outcomes and/or Reduce the Cost of IVF-ET Cycles?
This research is being done to determine whether the success rate of in vitro fertilization treatment can be improved, while lowering the cost incurred from infertility medications using a pill called letrozole.
- Trial name
- Cost-Less (NCT00804960)
- Testing
- Letrozole, Std IVF Protocol
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- Center for Human Reproduction
Breast Cancer, Osteoporosis
Letrozole With or Without Zoledronate in Treating Healthy Postmenopausal Women With High Breast Density
RATIONALE: Chemoprevention is the use of certain drugs to keep cancer from forming, growing, or coming back. Estrogen can cause the growth of breast cancer cells.
- Trial name
- NCT00114270
- Testing
- letrozole, zoledronic acid
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- University of Virginia
Ovarian Follicle
Mid-luteal Phase Synchronization of Ovarian Folliculogenesis in Women
We hypothesize that administration of an aromatase inhibitor (AI) and hormonal contraceptives (HC) in the mid-luteal phase of the menstrual cycle will result in atresia of the follicles in the extant wave and cause synchronous…
- Trial name
- NCT00565240
- Testing
- Marvelon, Nuvaring, Letrozole
- Where
- Canada
- Volunteers
- 41 people, healthy volunteers welcome
- Sponsor
- University of Saskatchewan
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
Complete Miscarriage
Use of Letrozole Pretreatment With Misoprostol for First-Trimester Medical Abortion
The purpose of this study is to compare the success rate of letrozole and misoprostol versus misoprostol alone for medical termination of first trimester pregnancy.
- Trial name
- NCT02401425
- Testing
- Letrozole, Misoprostol
- Where
- Egypt
- Volunteers
- 423 people, healthy volunteers welcome
- Sponsor
- Ain Shams University
Interaction Drug Food
Evaluating the Pharmacokinetics and Drug Interaction Potential of the Botanical Dietary Supplement Cinnamon
The purpose of this study is to evaluate a well-characterized, commercially available cinnamon dietary supplement as a precipitant of pharmacokinetic interactions with cytochrome P450 (CYP) 2A6 drug substrates in healthy…
- Trial name
- NCT05157672
- Testing
- Cinnamon (2 g), Nicotine gum (2.5 mg), Letrozole (2.5 mg)
- Where
- United States
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- Washington State University
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
Infertility
Effect of Addition of Aromatase Inhibitor to Ovarian Stimulation Therapy in IVF Treatment
This project seeks to determine whether estradiol suppression achieved with adjuvant treatment with an aromatase inhibitor improves end-follicular and midluteal phase parameters during IVF.
- Trial name
- RIOT-A (NCT02946684)
- Testing
- Letrozole
- Where
- 4 sites in Denmark
- Volunteers
- 129 people, healthy volunteers welcome
- Sponsor
- Sven O. Skouby
Healthy
Evaluation of the Pharmacokinetics, Safety, and Tolerability of IM Letrozole LEBE in Healthy Post-menopausal Women
This is a Phase I, open label, sequential, single ascending dose (SAD) study to evaluate the pharmacokinetic (PK), safety, and tolerability of Letrozole LEBE in healthy post-menopausal women.
- Trial name
- LEILA-1 (NCT06315205)
- Testing
- Letrozole LEBE 75 mg, Letrozole LEBE 150 mg, Letrozole LEBE 225 mg
- Where
- Czechia
- Volunteers
- 84 people, healthy volunteers welcome
- Sponsor
- Rovi Pharmaceuticals Laboratories
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
Polycystic Ovary Syndrome, Infertility
Graceful Lifestyle Changes Study for PCOS and Infertility
The purpose of this study is to help women with PCOS to improve their symptoms and ovulation rate through a lifestyle intervention program which introduces a specific diet, a physical activity regimen and mindfulness exercises to…
- Trial name
- GLC (NCT02630485)
- Testing
- Graceful Lifestyle Changes, Myo-inositol, Letrozole
- Volunteers
- 240 people, healthy volunteers welcome
- Sponsor
- University of British Columbia
Pregnancy
Letrozole and Misoprostol for Termination of Pregnancy up to 63 Days' Gestation
Study to determine if a user-friendly medical abortion regimen using letrozole and misoprostol is safe and acceptable.
- Trial name
- NCT05207644
- Testing
- 30 mg letrozole followed by 800 mcg misoprostol
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Gynuity Health Projects
Female Infertility Due to Nonimplantation of Ovum
Letrozole and Sequential Clomiphene to Improve the Outcome of Embryo Transfer
The purpose of this study is to study the effects of letrozole and sequential clomiphene in ovulation and pregnancy in PCOS patients.
- Trial name
- NCT02775877
- Testing
- Letrozole, clomiphene, HMG
- Where
- China
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Navy General Hospital, Beijing