Clinical trials: Letrozole
Infertility, Female, Polycystic Ovary Syndrome
Letrozole for Frozen Embryo Transfer (FET) in Patients With Polycystic Ovary Syndrome (PCOS)
To offer patients with oligomenorrhoea or amenorrhoea an alternative to frozen embryo transfer in an artificial cycle, endometrial preparation using letrozole may be a valuable option.
- Conditions
- Infertility, Female, Polycystic Ovary Syndrome, IVF, Ovulation Disorder
- Trial name
- LEFT (NCT04002635)
- Testing
- Letrozole, estradiol valerate
- Volunteers
- healthy volunteers welcome
- Sponsor
- CRG UZ Brussel
Infertility, Female
Different Induction Protocols in PCOS After Clomiphene Citrate Failed Pregnancy in Non-IVF Cycles
The aim of this study will be to compare between 4 different induction protocols in women who: 1. Failed to achieve ovulation after clomiphene citrate treatment at a dose of 150mg daily (if the patient can tolerate this dose) for…
- Trial name
- NCT05362799
- Testing
- Letrozol (Femara, Novartis), Letrozol (Femara, Novartis) combined with Metformin (Cidophage 500 mg, Cid Pharmaceuticals, Egypt), highly purified lyophilized Uroffollitropin (Fostimon, IBSA Institut Biochimique SA, Lugano, Switzerland)
- Volunteers
- 176 people, healthy volunteers welcome
- Sponsor
- Menoufia University
Uterine Fibroids
Pharmacokinetics and Hepatic Safety of EGCG
A trial to assess the pharmacokinetics and hepatic safety of EGCG in women with and without uterine fibroids.
- Trial name
- NCT04177693
- Testing
- Epigallocatechin gallate (EGCG), Clomiphene Citrate, Letrozole
- Where
- United States
- Volunteers
- 39 people, healthy volunteers welcome
- Sponsor
- Yale University
Ovarian Stimulation
Antagonist/Letrozole in Poor Responders
Failure to respond to controlled ovarian hyperstimulation (COH) is still a major concern in assisted reproduction and there is no consensus on the ovarian stimulation choice regime for poor responders.
- Trial name
- NCT00823004
- Testing
- letrozole, oral contraceptive (Marvelone), GnRH agonist (buserelin)
- Where
- Iran
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Yazd Research & Clinical Center for Infertility
Primary Infertility, Secondary Infertility
Minimal Stimulation Protocol Using Aromek(Letrozole) and Follitrope(recFSH) Combined With INVOCell-Low Cost IVF
The purpose of this study to evaluate a low cost minimal stimulation protocol combined with Intravaginal Culturing, to make IVF affordable and available across the large infertile/subfertile population
- Conditions
- Primary Infertility, Secondary Infertility, Low Responders, Mild to Moderate Male Factor Infertility
- Trial name
- MSP-INVO IVF (NCT01058252)
- Testing
- INVOCell, Letrozole 2.5 mg, recFSH 75 IU, STEP-3: LH Suppression & Monitoring, STEP-4: HCG Timing
- Where
- 2 sites in Pakistan
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Galaxy Pharma (Pvt) Limited
Healthy
Food 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 fed conditions.
- Trial name
- NCT00648154
- Testing
- Letrozole Tablets 2.5 mg, Femara® Tablets 2.5 mg
- Where
- United States
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Mylan Pharmaceuticals Inc
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
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
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)
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
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
Healthy
Bioequivalence Study of Letrozole 2.5 mg Tablets
Bioequivalence
- Trial name
- NCT01084499
- Testing
- Femara (Sequence 1), Peratra (Sequence 1), Femara (Sequence 2)
- Volunteers
- 26 people, healthy volunteers welcome
- Sponsor
- Yuhan Corporation
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
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
Ovulation Disorder, Ovarian Cysts
The Role of Estrogen in Luteinizing Hormone Surge and Ovulation
The purpose of the study is to establish that sustained estrogen levels are the driving force for the LH surge, and are thereby necessary for ovulation to occur.
- Trial name
- NCT01999569
- Testing
- Letrozole
- Where
- United States
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Wake Forest University Health Sciences
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
Azoospermia, Nonobstructive, Oligozoospermia
Effect of Letrozole on Seminal Parameters in Men With Non Obstructive Azoospermia and Severe Oligozoospermia.
The investigators hope to learn if Letrozole is effective and safe in improving severe male infertility by increasing testosterone, decreasing oestradiol and stimulating sperm production thereby improving sperm motility…
- Trial name
- NCT02900105
- Testing
- Letrozole
- Where
- Singapore
- Volunteers
- 28 people, healthy volunteers welcome
- Sponsor
- KK Women's and Children's Hospital
Poor Ovarian Response
Novel Therapy for Poor Responders Management
Unfortunately for some infertile women, gonadotrophin administration results in a desultory ovarian response. While this is commonly due to diminished ovarian reserve, as indicated by advanced age and/or elevated basal day 3 FSH…
- Trial name
- NCT04310293
- Testing
- Femara,Grotwth hormone,HMG
- Where
- Bahrain
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Al Baraka Fertility Hospital
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, Male
NT-NOA - Novel Treatment of Some Men With Non-Obstructive Azoospermia
This clinical interventional study aims to assess whether treatment with denosumab in combination with letrozole can improve sperm production in infertile men with non-obstructive azoospermia selected by serum anti-mullerian…
- Trial name
- NT-NOA (NCT06706414)
- Testing
- Denosumab (Prolia), Letrozole (Aromatase Inhibitors)
- Where
- Denmark
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- Martin Blomberg Jensen