Clinical trials: Letrozole
Termination of Early Pregnancy in Scarred Uterus
Termination of Early Pregnancy in Scarred Uterus With Lletrozole and Misoprostol Compared to Misoprostol Alone
Termination of early pregnancy in scarred uterus with letrozole and misoprostol compared to Misoprostol alone
- Trial name
- NCT05067309
- Testing
- Letrozole 2.5mg
- Where
- 2 sites in Egypt
- Volunteers
- 1 people
- Sponsor
- Ahmed Elsayed Aref
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
Breast Cancer
Letrozole in Preventing Breast Cancer in Postmenopausal Women Who Are at Increased Risk for Breast Cancer Due to High Breast Density
RATIONALE: Chemoprevention is the use of certain drugs to keep cancer from forming, growing, or coming back. The use of letrozole may stop cancer from forming or coming back in postmenopausal women who are at increased risk for…
- Trial name
- NCT00238316
- Testing
- letrozole
- Where
- 10 sites in United States, Canada
- Volunteers
- 68 people
- Sponsor
- NCIC Clinical Trials Group
Breast Cancer
Letrozole in Breast Cancer Who Have Received 5 Years of Aromatase Inhibitor Therapy
RATIONALE: Estrogen can cause the growth of breast cancer cells. Hormone therapy using letrozole may fight breast cancer by lowering the amount of estrogen the body makes.
- Trial name
- NCT00754845
- Testing
- letrozole
- Where
- 43 sites in Canada, United Kingdom
- Volunteers
- 1,918 people
- Sponsor
- Canadian Cancer Trials Group
McCune Albright Syndrome, Polyostotic Fibrous Dysplasia
Effects of Letrozole on Precocious Puberty Due to McCune Albright Syndrome
This study will test the safety and effectiveness of letrozole in treating precocious (early) puberty in girls with McCune-Albright syndrome (MAS).
- Conditions
- McCune Albright Syndrome, Polyostotic Fibrous Dysplasia, Precocious Puberty
- Trial name
- NCT00006174
- Testing
- Letrozole
- Where
- United States
- Volunteers
- 25 people
- Sponsor
- National Institute of Dental and Craniofacial Research (NIDCR)
Letrozole, Infertility, Female
The Effectiveness of the Letrozole-induced Endometrial Preparation Protocol in Frozen-thawed Embryo Transfer (FET)
The goal of this single center, non-blinded, randomized controlled clinical trial to comparison of pregnancy outcomes and perinatal outcomes in patients undergoing IVF treatment (including ICSI) with FET with letrozole-induce…
- Trial name
- NCT06006091
- Testing
- Letrozole
- Where
- China
- Volunteers
- 858 people
- Sponsor
- International Peace Maternity and Child Health Hospital
Bone Loss, Breast Cancer
Zoledronic Acid in the Prevention of Cancer Treatment Related Bone Loss in Postmenopausal Women Receiving Letrozole for Breast Cancer.
Post-menopausal breast cancer patients will receive letrozole 2.5 mg daily for the treatment of breast cancer and will be randomized to a treatment group to receive either upfront zoledronic acid 4 mg IV 15-minute infusion every…
- Trial name
- NCT00171340
- Testing
- Zoledronic acid, Letrozole
- Where
- 106 sites in Argentina, Australia and 26 more
- Volunteers
- 1,065 people
- Sponsor
- Novartis Pharmaceuticals
Polycystic Ovarian Syndrome
Letrozole Combined With Gonadotropins (Gn) for Ovarian Stimulation Undergoing in Vitro Fertilization/Intracytoplasmic Sperm Injection (IVF/ICSI) in Patients With Polycystic Ovary Syndrome (PCOS)
The purpose of this study is to determine whether letrozole combined with gonadotropins are effective in the ovarian hyperstimulating for IVF/ICSI in patients with PCOS.
- Trial name
- NCT00894608
- Testing
- letrozole + gonadotropins, GnRHa + gonadotropins
- Where
- China
- Volunteers
- 90 people
- Sponsor
- Yunyang Medical College
Ovarian Response
The Effect of Oxytocin (OT) and Oxytocin Plus Human Chorionic Gonadotropin (hCG), in Cycles Induced by Letrozole or Clomiphene Citrate
The specific aims of this study were to assess whether letrozole as an aromatase inhibitor plus hCG or OT alone, or in combination compared with CC, improves ovarian response.Ethical design of this study is based on the ethical…
- Trial name
- NCT00844350
- Testing
- letrozole , oxytocin,hCG,clomiphene citrate
- Volunteers
- 177 people
- Sponsor
- Tabriz University
Short Stature
Aromatase Inhibitor Growth Study: Letrozole vs. Anastrozole
The purpose of the study is to determine if there are differences in the final height or hormone profile of short pubertal boys placed on different forms of aromatase inhibitor now routinely used to increase stature: Anastrozole…
- Trial name
- NCT02137538
- Testing
- Letrozole, Anastrozole
- Where
- United States
- Volunteers
- 79 people
- Sponsor
- Stanford University
Medical; Abortion, Fetus
Comparison of Rate of Complete Abortion Between Letrozole Plus Misoprostol vs Misoprostol Alone
Comparison of rate of complete abortion between Letrozole plus Misoprostol versus Misoprostol alone in first trimester pregnancy
- Trial name
- NCT05940233
- Testing
- Letrozole
- Where
- Thailand
- Volunteers
- 70 people
- Sponsor
- Queen Savang Vadhana Memorial Hospital, Thailand
Ovarian Cancer, Fallopian Tube Cancer
Femara (Letrozole) Versus Placebo for Patients With Ovarian, Fallopian Tube, or Primary Peritoneal Cancer
Primary Objective: 1. Evaluate the efficacy of letrozole to increase the duration of progression-free survival (defined as time to earliest occurrence of local or distant recurrence or clinically significant elevation in CA-125)…
- Conditions
- Ovarian Cancer, Fallopian Tube Cancer, Peritoneal Cancer
- Trial name
- NCT00634894
- Testing
- Femara
- Where
- United States
- Sponsor
- M.D. Anderson Cancer Center
Breast Cancer
Lifestyle Intervention Study in Adjuvant Treatment of Early Breast Cancer
The primary objective of this trial is to evaluate the effect of the addition of a 2 year, centrally delivered individualized, telephone-based lifestyle intervention focusing on weight management to a mailed educational…
- Trial name
- LISA (NCT00463489)
- Testing
- Lifestyle intervention, Mail-based
- Where
- 21 sites in United States, Canada
- Volunteers
- 338 people
- Sponsor
- Ontario Clinical Oncology Group (OCOG)
Breast Cancer
Biomarkers in Predicting Response to Tamoxifen and Letrozole in Postmenopausal Women With Primary Breast Cancer Treated on Clinical Trial CAN-NCIC-MA17
RATIONALE: Studying samples of tumor tissue from patients with cancer in the laboratory may help doctors learn more about changes that occur in DNA and identify biomarkers related to cancer.
- Trial name
- NCT00897065
- Testing
- microarray analysis, polymerase chain reaction, protein expression analysis
- Where
- United States
- Volunteers
- 957 people
- Sponsor
- Massachusetts General Hospital
Breast Cancer, Letrozole
Safety and Efficacy Study of Femara(Letrozole) as an Extended Adjuvant Treatment in Breast Cancer Patients
Title of study: An observational, multicenter study on the safety and efficacy of Femara® (Letrozole) as an extended adjuvant treatment in breast cancer patients who completed adjuvant Tamoxifen or Toremifen treatment Objectives…
- Trial name
- NCT01249456
- Where
- South Korea
- Volunteers
- 392 people
- Sponsor
- Novartis Pharmaceuticals
Breast Cancer
Clinical Outcomes After Letrozole Treatment According to the Estrogen Receptor Expression in Postmenopausal Women
The purpose of this study is to assess clinical outcomes after Letrozole treatment according to the estrogen receptor expression in postmenopausal women with hormone receptor positive breast cancer.
- Trial name
- LETTER (NCT01069211)
- Where
- South Korea
- Volunteers
- 876 people
- Sponsor
- Korean Breast Cancer Study Group
Breast Cancer
Extended Adjuvant Treatment With Letrozole in Breast Cancer Who Complete 5 Years of Toremifene
The purpose of this study is to assess Efficacy and Safety of Extended Adjuvant Treatment With Letrozole in Postmenopausal Women With Hormone Receptor Positive Breast Cancer Who Complete 5 Years of Toremifene
- Trial name
- LEXTOP (NCT01072318)
- Testing
- Letrozole
- Where
- South Korea
- Volunteers
- 495 people
- Sponsor
- Korean Breast Cancer Study Group
Constitutional Delay of Growth and Puberty
Constitutional Delay of Growth and Puberty: Towards Evidence-based Treatment
Boys with constitutional delay of growth and puberty (CDGP) should be offered evidence-based effective and safe treatment option.
- Trial name
- CDGP (NCT01797718)
- Testing
- Testosterone, Letrozole
- Where
- 4 sites in Finland
- Volunteers
- 35 people
- Sponsor
- Helsinki University Central Hospital
Fibrolamellar Carcinoma, Fibrolamellar Liver Cancer
Study of (1) Everolimus, (2) Estrogen Deprivation Therapy (EDT) With Leuprolide + Letrozole and (3) Everolimus + EDT in Patients With Unresectable Fibrolamellar Hepatocellular Carcinoma (FLL-HCC)
There is no effective standard treatment for fibrolamellar liver cancer that cannot be removed by surgery. The investigators want to find out what effects, good and/or bad, 3 drugs called letrozole, leuprolide and everolimus will…
- Trial name
- NCT01642186
- Testing
- everolimus, letrozole plus leuprolide, combination of everolimus, letrozole and leuprolide
- Where
- 6 sites in United States
- Volunteers
- 28 people
- Sponsor
- Memorial Sloan Kettering Cancer Center
Breast Cancer
Letrozole After Tamoxifen in Treating Women With Breast Cancer
RATIONALE: Estrogen can stimulate the growth of breast cancer cells. Hormone therapy using letrozole may fight breast cancer by reducing the production of estrogen.
- Trial name
- NCT00003140
- Testing
- letrozole
- Where
- 57 sites in Canada, United Kingdom
- Volunteers
- 5,187 people
- Sponsor
- NCIC Clinical Trials Group