Clinical trials: Breast Cancer, Estrogen Receptor-Positive
Breast Cancer - ER+, HER2-, PIK3CA Gene Mutation
PI3K Pathway Activation Markers in ER-Positive, HER2-Negative Breast Cancer: A Clinicopathologic Study
The goal of this observational study is to examine whether markers of PI3K pathway activation are associated with endocrine therapy response and clinicopathologic features in estrogen receptor-positive, HER2-negative breast…
- Trial name
- p-AKT p-S6 (NCT07387861)
- Testing
- Not applicable- observational study
- Volunteers
- 70 people
- Sponsor
- Assiut University
Breast Cancer
Exemestane, Letrozole, or Anastrozole in Treating Postmenopausal Women Who Are Undergoing Surgery for Stage II or Stage III Breast Cancer
RATIONALE: Estrogen can cause the growth of breast cancer cells. Hormone therapy using exemestane, letrozole, or anastrozole, may fight breast cancer by lowering the amount of estrogen the body makes.
- Trial name
- NCT00265759
- Testing
- anastrozole, exemestane, letrozole
- Where
- 3 sites in United States
- Volunteers
- 622 people
- Sponsor
- Alliance for Clinical Trials in Oncology
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
Invasive Breast Cancer, Estrogen Receptor Positive Breast Cancer
Breast Density Change Predicting Response to Adjuvant Aromatase Inhibitor
Breast density change after short term use of aromatase inhibitor in postmenopausal ER positive breast cancer would predict endocrine responsiveness
- Trial name
- DEAR (NCT01765049)
- Where
- South Korea
- Volunteers
- 260 people
- Sponsor
- Seoul National University Hospital
Metastatic Breast Cancer, HER2-negative Breast Cancer
Trial of 225Ac-DOTATATE (RYZ101) in Subjects With ER+, HER2-negative Unresectable or Metastatic Breast Cancer Expressing SSTRs.
Phase 1b/2 open-label trial of 225Ac-DOTATATE (RYZ101) in subjects with ER+, HER2-negative unresectable or metastatic breast cancer expressing SSTRs.
- Conditions
- Metastatic Breast Cancer, HER2-negative Breast Cancer, ER+ Breast Cancer, Advanced Breast Cancer
- Trial name
- TRACY-1 (NCT06590857)
- Testing
- RYZ101, Standard of Care Endocrine Therapy
- Where
- 31 sites in United States, Canada and 1 more
- Volunteers
- 64 people
- Sponsor
- RayzeBio, Inc.
Metastatic Breast Cancer, ER Positive Breast Cancer
To Identify Primary Resistance to CDK4/6 Inhibitors in Breast Cancer
This is a multi-center biomarkers study aiming to prospectively collect biological samples from patients with ER+ and HER2-negative metastatic breast cancer, who are candidate to first-line treatment with an aromatase inhibitor…
- Conditions
- Metastatic Breast Cancer, ER Positive Breast Cancer, HER2-negative Breast Cancer
- Trial name
- TIRESIAS (NCT04660435)
- Testing
- Thymidine kinase activity
- Where
- Italy
- Volunteers
- 150 people
- Sponsor
- Fondazione Sandro Pitigliani
Breast Neoplasms
Association Between HER2 Status and pCR Rate in ER-positive Breast Cancer Receiving Neoadjuvant Endocrine or Chemotherapy
In estrogen receptor (ER)-positive breast cancer (BC), human epidermal growth factor receptor-2 (HER2)-low ones are reported to have distinct clinical and molecular features from those with HER2-zero or HER2-positive status.
- Trial name
- NCT05673850
- Testing
- NET or NCT
- Where
- China
- Volunteers
- 518 people
- Sponsor
- Peking University
Breast Cancer
Phase II Neoadjuvant ER+/PgR + Arimidex +/- Iressa Study
The purpose of this study is to compare the changes in a proliferation biomarker in subjects receiving Anastrozole or Anastrozole/ZD1839 combination.
- Trial name
- NCT00255463
- Testing
- Anastrazole, Gefitinib
- Where
- 34 sites in Czechia, France and 5 more
- Volunteers
- 185 people
- Sponsor
- AstraZeneca
Breast Cancer
Study of Estrogen Levels in Premenopausal Women Who Have Undergone Surgery for Breast Cancer and Are Receiving Triptorelin and Tamoxifen Citrate or Exemestane on Clinical Trial IBCSG 24-02
RATIONALE: Studying samples of blood from patients with breast cancer in the laboratory may help doctors learn how well triptorelin given together with tamoxifen citrate or exemestane works in lowering estrogen levels.
- Trial name
- SOFT-EST (NCT00975676)
- Testing
- gas chromatography / tandem mass spectometry
- Where
- 24 sites in France, Hungary and 6 more
- Volunteers
- 123 people
- Sponsor
- ETOP IBCSG Partners Foundation
Anatomic Stage IV Breast Cancer AJCC v8, Estrogen Receptor Positive
Letrozole and Imatinib Mesylate in Treating Postmenopausal Participants With Estrogen or Progesterone Positive Metastatic Breast Cancer
This phase II trial studies the side effects and how well letrozole and imatinib mesylate work in treating postmenopausal participants with estrogen or progesterone positive breast cancer that has spread to other places in the…
- Conditions
- Anatomic Stage IV Breast Cancer AJCC v8, Estrogen Receptor Positive, KIT Positive, PDGFR Positive
- Trial name
- NCT00338728
- Testing
- Imatinib Mesylate, Letrozole
- Where
- United States
- Volunteers
- 59 people
- Sponsor
- M.D. Anderson Cancer Center
Breast Cancer, Infertility
Goserelin in Preventing Early Menopause in Premenopausal Women Undergoing Chemotherapy for Stage I, Stage II, or Stage III Breast Cancer
RATIONALE: Goserelin may help prevent early menopause in patients undergoing chemotherapy for breast cancer. It is not yet known whether goserelin is effective in preventing early menopause in women undergoing chemotherapy for…
- Conditions
- Breast Cancer, Infertility, Menopausal Symptoms
- Trial name
- NCT00427245
- Testing
- cyclophosphamide, goserelin acetate, adjuvant therapy
- Where
- 66 sites in United Kingdom
- Volunteers
- 400 people
- Sponsor
- Anglo Celtic Cooperative Oncology Group
Breast Neoplasms
Assessment of Safety and Efficacy of Estetrol in Postmenopausal Women With Advanced Estrogen Receptor Positive (ER+) Breast Cancer
This is a multi-center, open-label, phase I/IIa trial, dose-escalation study with a 3 + 3 cohort design to determine the recommended dose of estetrol for the treatment of patients with advanced breast cancer.
- Trial name
- NCT02718144
- Testing
- Estetrol
- Where
- 2 sites in Germany
- Volunteers
- 12 people
- Sponsor
- Pantarhei Oncology B.V.
Breast Cancer, Menopausal Symptoms
Acupuncture or Medication in Reducing Pain in Postmenopausal Women With Breast Cancer and Joint Pain
RATIONALE: Acupuncture may reduce joint pain in postmenopausal women with breast cancer. It is not yet known whether acupuncture is more effective than standard therapy analgesics in decreasing joint pain caused by aromatase…
- Conditions
- Breast Cancer, Menopausal Symptoms, Pain
- Trial name
- NCT00892268
- Testing
- acupuncture therapy, pain therapy
- Volunteers
- 68 people
- Sponsor
- University of Arizona
Breast Neoplasms
Aromasin® As Adjuvant Treatment In Postmenopausal Women With Invasive, Estrogen Receptor Positive Early Breast Cancer
This non-interventional study will be conducted in several Eastern European countries to assess the safety, tolerability and efficacy of Aromasin® when it is administered in real-word setting in postmenopausal women with invasive…
- Trial name
- NCT01239745
- Testing
- Aromasin
- Where
- 11 sites in Croatia, Estonia and 1 more
- Volunteers
- 46 people
- Sponsor
- Pfizer
Breast Cancer
Second-line Endocrine Treatment Followed by Capecitabine Versus Capecitabine Followed by Endocrine Treatment in Patients With Metastatic ER Positive Breast Cancer
This trial studies the effects on quality of life and on time to second progression of the sequence endocrine therapy-capecitabine versus the sequence capecitabine-endocrine treatment.
- Trial name
- NCT00684216
- Testing
- capecitabine, hormonal treatment (tamoxifen, exemestane, anastrozole or letrozole)
- Where
- Netherlands
- Volunteers
- 10 people
- Sponsor
- The Netherlands Cancer Institute
Estrogen Receptor-positive Breast Cancer, Progesterone Receptor Positive Tumor
Pilot Study Estradiol Followed by Exemestane Hormone Receptor + Metastatic Breast Cancer
RATIONALE: Estrogen can cause the growth of tumor cells. Hormone therapy using therapeutic estradiol may fight breast cancer by lowering the amount of estrogen the body makes.
- Conditions
- Estrogen Receptor-positive Breast Cancer, Progesterone Receptor Positive Tumor, Recurrent Breast Cancer, Stage IIIC Breast Cancer
- Trial name
- NCT01385280
- Testing
- therapeutic estradiol, exemestane, laboratory biomarker analysis
- Where
- United States
- Volunteers
- 13 people
- Sponsor
- University of Arizona
Breast Cancer
Octreotide, Tamoxifen, and Chemotherapy in Treating Women With Breast Cancer
RATIONALE: Drugs used in chemotherapy use different ways to stop tumor cells from dividing so they stop growing or die. Combining hormone therapy with chemotherapy may kill more tumor cells.
- Trial name
- NCT00002967
- Testing
- cyclophosphamide, doxorubicin hydrochloride, octreotide pamoate
- Where
- 108 sites in United States, Canada
- Sponsor
- NSABP Foundation Inc
Breast Cancer
DNA-guided Second Line Adjuvant Therapy for High Residual Risk, Estrogen Receptor Positive, HER-2 Negative Breast Cancer (DARE)
A randomized, Phase II trial of circulating tumor DNA-guided second line Adjuvant therapy for high Residual risk, Estrogen Receptor positive, HER-2 negative breast cancer (DARE)
- Trial name
- DARE (NCT04567420)
- Testing
- Palbociclib, Fulvestrant, Adjuvant Therapy
- Where
- 19 sites in United States
- Volunteers
- 70 people
- Sponsor
- Criterium, Inc.
Breast Cancer
Anastrozole Monotherapy Versus Maximal Oestrogen Blockade With Anastrozole and Fulvestrant Combination Therapy
The purpose of this study is to determine the efficacy of anastrozole monotherapy versus maximal oestrogen blockade with combinated therapy of fulvestrant and anastrozole compared with in treatment of hormone receptor positive…
- Trial name
- FACT (NCT00256698)
- Testing
- Fulvestrant, Anastrozole
- Where
- 85 sites in Canada, Costa Rica and 10 more
- Volunteers
- 514 people
- Sponsor
- AstraZeneca
Breast Cancer
Prospective Observational Study Evaluating Treatment Decision Impact of Prosigna® in Early Stage Breast Cancer Patients
This multicenter, prospectively designed study examines whether the Prosigna score influences physician and patient adjuvant treatment selection over and above currently used prognostic factors.
- Trial name
- NCT02625935
- Where
- 4 sites in United States
- Volunteers
- 206 people
- Sponsor
- NanoString Technologies, Inc.