Neoplasms

Skin and Connective Tissue Diseases

All Conditions

Breast Neoplasms

Breast Diseases

Skin Diseases

Antineoplastic Agents

All Drugs and Chemicals

Letrozole

Goserelin

Anastrozole

Aromatase Inhibitors

Enzyme Inhibitors

Estrogens

Estrogen Antagonists

Estrogen Receptor Antagonists

Hormones

Hormone Antagonists

Antineoplastic Agents, Hormonal

FCN-437c：available in 25mg and 100mg capsules for oral administration on an empty stomach. 200mg once daily on Day 1 to Day 21 of every 28-day cycle followed by 7 days off treatment until progressive disease。Letrozole or anastrozole：Letrozole 2.5 mg or anastrozole 1 mg once daily；Goserelin acetate：premenopausal /perimenopausal patients should be coadministered with 3.6mg, Subcutaneously at every 28 days until progressive disease。

FCN-437c, Letrozole or anastrozole, Goserelin acetate

Placebo：available in 25mg and 100mg capsules, and is administered in the same way as FCN-437c。

Letrozole or anastrozole：Letrozole 2.5 mg or anastrozole 1 mg once daily；

Goserelin acetate：premenopausal /perimenopausal patients should be coadministered with 3.6mg, Subcutaneously at every 28 days until progressive disease。

Placebo, Letrozole or anastrozole, Goserelin acetate

Xiaoran Yang

Binghe Xu

This is a multicenter, randomized, double-blind, placebo-controlled Phase III clinical study evaluating the efficacy and safety of FCN-437c in combination with letrozole or anastrozole ± Goserelin versus placebo combined with letrozole or anastrozole ± Goserelin in women with first-line advanced breast cancer in HR+ and HER2-.

This is a Multicenter, Randomized, Double-blind, Placebo-controlled Phase III Clinical Study Evaluating the Efficacy and Safety of FCN-437c Versus Placebo in Combination With Letrozole or Anastrozole ± Goserelin in Women With HR+ and HER2- Advanced Breast Cancer.

A Multicenter, Randomized, Double-blind, Placebo-controlled Phase III Clinical Study to Evaluate the Efficacy and Safety of FCN-437c Versus Placebo in Combination With Letrozole or Anastrozole ± Goserelin in Women With HR-positive and HER2-negative Advanced Breast Cancer

Progression-free survival as determined by IRC based on RECIST V1.1

Ahon Pharmaceutical Co., Ltd.

Fulvestrant

FCN-437c：available in 25mg and 100mg capsules for oral administration on an empty stomach. 200mg once daily on Day 1 to Day 21 of every 28-day cycle followed by 7 days off treatment until progressive disease。 Fulvestrant：500mg intramuscular injection on day 1 and day 15 for the first cycle and then on day 1 only for other cycles ； Goserelin acetate：premenopausal /perimenopausal patients should be coadministered with 3.6mg, Subcutaneously at every 28 days until progressive disease。

FCN-437c,Fulvestrant,Goserelin acetate

Placebo：available in 25mg and 100mg capsules, and is administered in the same way as FCN-437c。 Fulvestrant：500mg intramuscular injection on day 1 and day 15 for the first cycle and then on day 1 only for other cycles； Goserelin acetate：premenopausal /perimenopausal patients should be coadministered with 3.6mg, Subcutaneously at every 28 days until progressive disease。

Placebo,Fulvestrant,Goserelin acetate

Xichun Hu, M.D.

Xichun Hu

This is a multicenter, randomized, double-blind, placebo-controlled Phase iii clinical study evaluating the efficacy and safety of FCN- 437c in combination with fluvestrant ± goseraline versus placebo in combination with fluvestrant ± goseraline in women with HR+ and HER2- advanced breast cancer.

This is a Multicenter, Randomized, Double-blind, Placebo-controlled Phase III Clinical Study Evaluating the Efficacy and Safety of FCN-437c in Combination With Fluvestrant ± Goseraline Versus Placebo Combined With Fulvestrant ± Goserelin in Women With HR+ and HER2- Advanced Breast Cancer.

A Multicenter, Randomized, Double-blind, Placebo-controlled Phase III Clinical Study to Evaluate the Efficacy and Safety of FCN-437c Versus Placebo Combined With Fulvestrant ± Goserelin in Women With HR+ and HER2- Advanced Breast Cancer

Progression-free survival is determined by the IRC according to the RECIST version 1.1

Study title	NCT ID	Conditions	Interventions	Eligibility	Organization
This is a Multicenter, Randomized, Double-blind, Placebo-controlled Phase III Clinical Study Evaluating the Efficacy and Safety of FCN-437c Versus Placebo in Combination With Letrozole or Anastrozole ± Goserelin in Women With HR+ and HER2- Advanced Breast Cancer.	NCT05439499	Advanced Breast... Female Breast C...	FCN-437c, Letro... Placebo, Letroz...	18 Years -	Ahon Pharmaceutical Co., Ltd.
This is a Multicenter, Randomized, Double-blind, Placebo-controlled Phase III Clinical Study Evaluating the Efficacy and Safety of FCN-437c in Combination With Fluvestrant ± Goseraline Versus Placebo Combined With Fulvestrant ± Goserelin in Women With HR+ and HER2- Advanced Breast Cancer.	NCT05438810	Advanced Breast... Female Breast C...	FCN-437c,Fulves... Placebo,Fulvest...	18 Years -	Ahon Pharmaceutical Co., Ltd.
This is a Multicenter, Randomized, Double-blind, Placebo-controlled Phase III Clinical Study Evaluating the Efficacy and Safety of FCN-437c Versus Placebo in Combination With Letrozole or Anastrozole ± Goserelin in Women With HR+ and HER2- Advanced Breast Cancer.	NCT05439499	Advanced Breast... Female Breast C...	FCN-437c, Letro... Placebo, Letroz...	18 Years -	Ahon Pharmaceutical Co., Ltd.

Spots Global Cancer Trial Database for hr receptor positive her2 receptor negative