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A Study of SIM0270 Combined with Everolimus Vs. Treatment of Physician's Choice in Patients with ER+/HER2- Advanced Breast Cancer (SIMRISE)

Phase 3
Recruiting
Conditions
Locally Advanced or Metastatic Breast Cancer
Interventions
Registration Number
NCT06680921
Lead Sponsor
Jiangsu Simcere Pharmaceutical Co., Ltd.
Brief Summary

This Phase III, randomized, open label, multicenter study will evaluate the efficacy and safety of SIM0270 combined with everolimus compared to physician's choice of treatment in subjects with ER+/HER2- locally advanced or metastatic breast cancer who have had previous treatment with CDK4/6 inhibitor.

Detailed Description

Not available

Recruitment & Eligibility

Status
RECRUITING
Sex
All
Target Recruitment
460
Inclusion Criteria

Not provided

Exclusion Criteria

Not provided

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Arm && Interventions
GroupInterventionDescription
Control groupFulvestrant injectionInvestigator's choice of therapy of either: Fulvestrant alone (a solution for injection), or Everolimus in combination with exemestane, both a tablet to be taken orally.
Control groupEverolimus (Afinitor®)Investigator's choice of therapy of either: Fulvestrant alone (a solution for injection), or Everolimus in combination with exemestane, both a tablet to be taken orally.
Experimental groupSIM0270SIM0270 to be taken orally as a capsule in combination with Everolimus.
Experimental groupEverolimus (Afinitor®)SIM0270 to be taken orally as a capsule in combination with Everolimus.
Control groupExemestane tabletsInvestigator's choice of therapy of either: Fulvestrant alone (a solution for injection), or Everolimus in combination with exemestane, both a tablet to be taken orally.
Primary Outcome Measures
NameTimeMethod
Progression free survival(PFS) , as assessed by blinded independent review committee(BIRC) according to RECIST1.12 year

PFS was defined as the time from the date of randomization to the first documented disease progression or death from any cause, whichever occurrs first.

Secondary Outcome Measures
NameTimeMethod
Progression free survival(PFS) , as assessed by investigator according to RECIST1.12 year

PFS was defined as the time from the date of randomization to the first documented disease progression or death from any cause, whichever occurrs first.

Overall Survival (OS)3 year

OS is the time from the date of randomization to death from any cause.

The incidence and severity of adverse events (AEs) and serious adverse events (SAEs)3 year

Frequency and severity of Adverse Events or Serious Adverse Events as defined by CTCAE version 5.0

Blood concentrationsAt five specified time points of the first 6 cycles (each cycle is 28 days)

Blood concentrations of SIM0270 and everolimus

Objective Response Rate (ORR) by investigator2 year

The objective response rate is defined as the percentage of subjects with a complete response or partial response.

Objective Response Rate (DOR) by investigator2 year

The DoR is defined as the time from the date of first complete or partial response until the date of documented progression or death from any cause.

ORR by BIRC2 year

The objective response rate is defined as the percentage of subjects with a complete response or partial response.

DOR by BIRC2 year

The DoR is defined as the time from the date of first complete or partial response until the date of documented progression or death from any cause.

Clinical benefit rate(CBR) by investigator2 year

The clinical benefit rate is defined as the percentage of subjects with a complete response or partial response or stable disease for ≥24 weeks.

CBR by BIRC2 year

The clinical benefit rate is defined as the percentage of subjects with a complete response or partial response or stable disease for ≥24 weeks.

Time To Progression (TTP) by investigator2 year

TTP is defined as the time from randomization until the date of first documented progression.

Time To Progression (TTP) by BIRC2 year

TTP is defined as the time from randomization until the date of first documented progression.

Change from baseline in EQ-5D-5L scores2 year

Change from baseline in EQ-5D-5L scores

Change from baseline in FACT-B scores2 year

Change from baseline in FACT-B scores

Trial Locations

Locations (2)

Harbin Medical University Cancer Hospital

🇨🇳

Haerbin, Heilongjiang, China

Fudan University Shanghai Cancer Center

🇨🇳

Shanghai, Shanghai, China

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