A Study of SHR6390 in Combination With Letrozole or Anastrozole or Fulvestrant in Patients With HR Positive and HER2 Negative Advanced Breast Cancer
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ClinicalTrials.gov Identifier: NCT03481998 |
Recruitment Status :
Active, not recruiting
First Posted : March 29, 2018
Last Update Posted : June 2, 2021
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Condition or disease | Intervention/treatment | Phase |
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Advanced Breast Cancer | Drug: SHR6390 Drug: Letrozole or anastrozole or Fulvestrant | Phase 1 Phase 2 |
Study Type : | Interventional (Clinical Trial) |
Estimated Enrollment : | 146 participants |
Allocation: | Non-Randomized |
Intervention Model: | Single Group Assignment |
Masking: | None (Open Label) |
Primary Purpose: | Treatment |
Official Title: | A Phase IB/II to Evaluate Efficacy and Safety of SHR6390 in Combination With Letrozole or Anastrozole or Fulvestrant in Patients With HR Positive and HER2 Negative Recurrent/Metastatic Breast Cancer |
Actual Study Start Date : | March 22, 2018 |
Estimated Primary Completion Date : | December 30, 2021 |
Estimated Study Completion Date : | June 30, 2022 |

Arm | Intervention/treatment |
---|---|
Experimental: Cohort 1 (Part 1)
Participants receive SHR6390 (at protocol defined dose levels) in combination with letrozole 2.5 mg or anastrozole 1mg, orally once daily (continuously).
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Drug: SHR6390
SHR6390 150 mg, orally once daily on Day 1 to Day 21 of every 28-day cycle followed by 7 days off treatment Drug: Letrozole or anastrozole or Fulvestrant Letrozole 2.5mg or anastrozole 1mg, orally once daily (continuously), or Fulvestrant 500mg intramuscular injection on day 1 and day 15 for the first cycle and then on day 1 for every cycle until progressive disease |
Experimental: Cohort 2 (Part 1)
SHR6390 (TBD), in combination with letrozole 2.5 mg or anastrozole 1mg, orally once daily (continuously).
|
Drug: SHR6390
SHR6390 150 mg, orally once daily on Day 1 to Day 21 of every 28-day cycle followed by 7 days off treatment Drug: Letrozole or anastrozole or Fulvestrant Letrozole 2.5mg or anastrozole 1mg, orally once daily (continuously), or Fulvestrant 500mg intramuscular injection on day 1 and day 15 for the first cycle and then on day 1 for every cycle until progressive disease |
Experimental: SHR6390 + Letrozole or anastrozole (Part 2)
SHR6390 (RP2D, recommended Phase 2 dose), in combination with letrozole 2.5 mg or anastrozole 1mg, orally once daily (continuously).
|
Drug: SHR6390
SHR6390 150 mg, orally once daily on Day 1 to Day 21 of every 28-day cycle followed by 7 days off treatment Drug: Letrozole or anastrozole or Fulvestrant Letrozole 2.5mg or anastrozole 1mg, orally once daily (continuously), or Fulvestrant 500mg intramuscular injection on day 1 and day 15 for the first cycle and then on day 1 for every cycle until progressive disease |
Experimental: SHR6390 + Fulvestrant Cohort 3 (Part 1)
SHR6390 (at protocol defined dose levels), in combination with Fulvestrant 500 mg intramuscular injection on day 1 and day 15 for the first cycle and then on day 1 for every cycle once daily
|
Drug: SHR6390
SHR6390 150 mg, orally once daily on Day 1 to Day 21 of every 28-day cycle followed by 7 days off treatment Drug: Letrozole or anastrozole or Fulvestrant Letrozole 2.5mg or anastrozole 1mg, orally once daily (continuously), or Fulvestrant 500mg intramuscular injection on day 1 and day 15 for the first cycle and then on day 1 for every cycle until progressive disease |
Experimental: SHR6390 + Fulvestrant Cohort 4 (Part 1)
SHR6390 (TBD), in combination with Fulvestrant 500 mg intramuscular injection on day 1 and day 15 for the first cycle and then on day 1 for every cycle once daily
|
Drug: SHR6390
SHR6390 150 mg, orally once daily on Day 1 to Day 21 of every 28-day cycle followed by 7 days off treatment Drug: Letrozole or anastrozole or Fulvestrant Letrozole 2.5mg or anastrozole 1mg, orally once daily (continuously), or Fulvestrant 500mg intramuscular injection on day 1 and day 15 for the first cycle and then on day 1 for every cycle until progressive disease |
- Number of Participants With adverse events (AEs) and serious adverse events (SAEs) at Phase 1 [ Time Frame: Up to 4 weeks ]
Incidence, nature, and severity of adverse events graded according to the NCI CTCAE v4.03.
Up to 24 months.
- Area under the plasma concentration versus time curve (AUC) of SHR6390 [ Time Frame: Up to 4 weeks ]
- Peak Plasma Concentration (Cmax) of SHR6390 [ Time Frame: Up to 4 weeks ]
- The time of SHR6390 to reach the maximum concentration (Tmax) [ Time Frame: Up to 4 weeks ]
- Half-time (t1/2) of SHR6390 [ Time Frame: Up to 4 weeks ]
- Objective Response Rate (ORR) per Response Evaluation Criteria in Solid Tumors (RECIST) Version 1.1 [ Time Frame: Up to approximately 24 months. ]ORR is defined as the percentage of participants in the analysis population who have a Complete Response (CR: Disappearance of all target lesions) or a Partial Response (PR: ¡Ý30% decrease in the sum of diameters of target lesions) per RECIST 1.1.
- Progression-free Survival (PFS) per RECIST 1.1 [ Time Frame: Up to approximately 24 months. ]PFS is defined as the time from randomization to the first documented disease progression per RECIST 1.1 based on blinded independent central review or death due to any cause, whichever occurs first.
- Disease Control Rate (DCR) per RECIST 1.1 [ Time Frame: Up to approximately 24 months. ]DCR is defined as the percentage of participants in the analysis population who have a CR, PR or SD per RECIST 1.1.
- Number of Participants With adverse events (AEs) and serious adverse events (SAEs) [ Time Frame: Up to approximately 24 months. ]Incidence, nature, and severity of adverse events graded according to the NCI CTCAE v4.03.

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Ages Eligible for Study: | 18 Years to 75 Years (Adult, Older Adult) |
Sexes Eligible for Study: | Female |
Accepts Healthy Volunteers: | No |
Inclusion Criteria:
- Has the pathologically-confirmed diagnosis of locally recurrent or metastatic, hormone-receptor positive, HER2 negative Breast Cancer.
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Age: 18 - 75 years old, postmenopausal women.prepostmenopausal women, but should receive Ovary castration.
Inclusion Criteria
- Cohort 1 and Cohort 2 :No prior systemic anti-cancer therapy for advanced HR+ disease.
Cohort 3 and Cohort 4 : Patients must satisfy the following criteria for prior therapy:
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a) Progressed after 2 years during treatment of adjuvant therapy with an aromatase inhibitor if postmenopausal, or tamoxifen if pre- or perimenopausal.
b)Progressed within 12 months of completion of adjuvant therapy with an aromatase inhibitor if postmenopausal, or tamoxifen if pre- or perimenopausal.
c) Progressed while 6 month after the end of prior aromatase inhibitor therapy for advanced/metastatic breast cancer if postmenopausal, or prior endocrine treatment for advanced/metastatic breast cancer if pre- or perimenopausal.
- One previous line of chemotherapy for advanced/metastatic disease is allowed in addition to endocrine therapy.
4. Eastern Cooperative Oncology Group [ECOG] 0-1 Measurable disease as per Response Evaluation Criterion in Solid Tumors[RECIST] 1.1
5. Adequate organ and marrow function
Exclusion Criteria
- Confirmed diagnosis of HER2 positive disease
- Patients who received any endocrine therapy as neo/adjuvant therapy for breast cancer are eligible. If the neo/adjuvant therapy of any endocrine therapy , the disease-free interval must be greater than 12 months from the completion of treatment until study entry.
- Patients who received prior treatment with any CDK4/6 inhibitor, everolimus,fulvestant.
- Clinically significant cardiovascular and cerebrovascular diseases,including but not limited to severe acute myocardial infarction within 6 months before enrollment, unstable or severe angina, Congestive heart failure (New York heart association (NYHA) class > 2), or ventricular arrhythmia which need medical intervention.
- Has known active central nervous system metastases.

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT03481998
China, Heilongjiang | |
Ha'erbin Tumor Hospital | |
Ha'erbin, Heilongjiang, China | |
China, Henan | |
Henan Cancer Hospital | |
Zhengzhou, Henan, China, 450008 | |
China, Zhejiang | |
Sir Run Run Shaw Hospital of Zhejiang University | |
Hangzhou, Zhejiang, China | |
China | |
Cancer Hospital, Chinese Academy of Medical Sciences | |
Beijing, China |
Principal Investigator: | Binhe Xu, MD | Cancer Institute and Hospital, Chinese Academy of Medical Sciences |
Responsible Party: | Jiangsu HengRui Medicine Co., Ltd. |
ClinicalTrials.gov Identifier: | NCT03481998 |
Other Study ID Numbers: |
SHR6390-Ib/II-201 |
First Posted: | March 29, 2018 Key Record Dates |
Last Update Posted: | June 2, 2021 |
Last Verified: | May 2021 |
Individual Participant Data (IPD) Sharing Statement: | |
Plan to Share IPD: | Undecided |
Studies a U.S. FDA-regulated Drug Product: | No |
Studies a U.S. FDA-regulated Device Product: | No |
CDK4/6 inhibitor Breast cancer Postmenopausal women |
Hormone-receptor positive HER2 negative Premenopausal women |
Breast Neoplasms Neoplasms by Site Neoplasms Breast Diseases Skin Diseases Letrozole Fulvestrant Anastrozole Antineoplastic Agents Aromatase Inhibitors |
Steroid Synthesis Inhibitors Enzyme Inhibitors Molecular Mechanisms of Pharmacological Action Estrogen Antagonists Hormone Antagonists Hormones, Hormone Substitutes, and Hormone Antagonists Physiological Effects of Drugs Antineoplastic Agents, Hormonal Estrogen Receptor Antagonists |