NCT04164615

Clinical Study of Recombinant Anti-HER2 Humanized Monoclonal Antibody (GB221) for Injection

A Randomized, Double-blind, Multi-center Phase Ⅲ Clinical Study to Evaluate the Recombinant Anti-HER2 Humanized Monoclonal Antibody or Placebo in Combination With Capecitabine for the Treatment of HER-2-positive Advanced Breast Cancer

• Status: Unknown
• Phase: Phase 3
• Study type: Interventional
• Enrollment: 336 (estimated)
• Sponsor: Genor Biopharma Co., Ltd. · Industry
• Sex: All
• Age: 18 Years – 70 Years
• Healthy volunteers: Not accepted

Summary

The primary objective of this trial is to compare the progression-free survival (PFS) in two groups of combined therapy of GB221/ capecitabine tablets versus combined therapy of placebo/capecitabine tablets; the secondary objective is to evaluate the objective response rate (ORR),time to progression (TTP) from treatment period to week 12; overall survival (OS), safety, immunogenicity (anti-drug antibody), PFS of subjects during continued treatment period.

Conditions

• HER-2-positive Advanced Breast Cancer

Interventions

Type	Name	Description
DRUG	GB221	GB221:Lyophilized powder for injection; strength 110mg/bottle; the first administration of 8 mg/kg, intravenous drip for over 90 minutes; subsequently, the administration shall be given once every 3 weeks (one cycle), the dose is 6 mg/kg, intravenous drip for 30\~90 minutes; The administration shall be continued until disease progression or presence of intolerable toxic reactions or subject's active withdrawal from clinical study. Capecitabine:Tablets; 500mg/tablet, 12 tablets/box; Total daily dose 2000 mg/m2, orally twice daily, one dose each in the morning and evening, administration for 2 weeks followed by a 1-week rest period, as a 3-week cycle. The administration shall be continued until disease progression or presence of intolerable toxic reactions or subject's active withdrawal from clinical study.
DRUG	Placebo control	Placebo control:Lyophilized powder for injection; strength 110mg/bottle; the first administration of 8 mg/kg, intravenous drip for over 90 minutes; subsequently, the administration shall be given once every 3 weeks (one cycle), the dose is 6 mg/kg, intravenous drip for 30\~90 minutes; The administration shall be continued until disease progression or presence of intolerable toxic reactions or subject's active withdrawal from clinical study. Capecitabine:Tablets; 500mg/tablet, 12 tablets/box; Total daily dose 2000 mg/m2, orally twice daily, one dose each in the morning and evening, administration for 2 weeks followed by a 1-week rest period, as a 3-week cycle. The administration shall be continued until disease progression or presence of intolerable toxic reactions or subject's active withdrawal from clinical study.

Timeline

• Start date: 2016-11-24
• Primary completion: 2020-07-01
• Completion: 2020-11-01
• First posted: 2019-11-15
• Last updated: 2019-11-15

Locations

1 site across 1 country: China