NCT04034823

Brief Summary

This is an open-label, single arm phase II trial to evaluate the efficacy, safety and tolerability of KN035 in combination with trastuzumab and docetaxel. Eligible patient will be enrolled and receive protocol defined therapies until progressive disease, unacceptable toxicity or withdrawal of informed consent. Tumor assessment will be performed according to RECIST 1.1 criteria.

Trial Health

35
At Risk

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Trial has exceeded expected completion date
Enrollment
59

participants targeted

Target at P50-P75 for phase_2

Timeline
Completed

Started Sep 2019

Status
unknown

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

July 25, 2019

Completed
1 day until next milestone

First Posted

Study publicly available on registry

July 26, 2019

Completed
1 month until next milestone

Study Start

First participant enrolled

September 1, 2019

Completed
1.3 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

January 1, 2021

Completed
1 year until next milestone

Study Completion

Last participant's last visit for all outcomes

January 1, 2022

Completed
Last Updated

July 26, 2019

Status Verified

July 1, 2019

Enrollment Period

1.3 years

First QC Date

July 25, 2019

Last Update Submit

July 25, 2019

Conditions

Keywords

HER2-positive breast cancerPD-L1 immune checkpoint

Outcome Measures

Primary Outcomes (1)

  • Objective response

    To estimate the overall response rate (CR + PR) of KN035 in combination with trastuzumab and docetaxel in patients with recurrent or metastatic HER2-positive breast cancer. • Overall Response rate will include confirmed complete response (CR) + confirmed partial response (PR), as determined as per RECIST v1.1 criteria and assessed by the local investigator

    12 months

Secondary Outcomes (1)

  • Adverse events

    12 months

Other Outcomes (1)

  • Disease control rate

    12 months

Study Arms (1)

KN035 in combination with trastuzumab and docetaxel

EXPERIMENTAL
Biological: KN035Biological: TrastuzumabDrug: Docetaxel

Interventions

KN035BIOLOGICAL

KN035 5 mg/kg s.c. Q3W

KN035 in combination with trastuzumab and docetaxel
TrastuzumabBIOLOGICAL

8 mg/kg IV loading followed by 6 mg/kg Q3W IV

KN035 in combination with trastuzumab and docetaxel

100 mg/m2 Q3W IV

KN035 in combination with trastuzumab and docetaxel

Eligibility Criteria

Age18 Years - 70 Years
Sexfemale
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Written informed consent
  • Female subjects with age 18 to 70 (inclusive) years at the time of consent
  • LVEF ≥50% at baseline
  • ECOG performance status of 0-1
  • Have not received 1L treatment for recurrent or metastatic breast cancer
  • Adequate organ function

You may not qualify if:

  • History of exposure to the cumulative doses of doxorubicin \> 400 mg / m2 or equivalent
  • History of autoimmune diseases
  • Active brain metastasis
  • Concurrent diseases that compromise patient's safety

Contact the study team to confirm eligibility.

Sponsors & Collaborators

MeSH Terms

Interventions

envafolimabTrastuzumabDocetaxel

Intervention Hierarchy (Ancestors)

Antibodies, Monoclonal, HumanizedAntibodies, MonoclonalAntibodiesImmunoglobulinsImmunoproteinsBlood ProteinsProteinsAmino Acids, Peptides, and ProteinsSerum GlobulinsGlobulinsTaxoidsCyclodecanesCycloparaffinsHydrocarbons, AlicyclicHydrocarbons, CyclicHydrocarbonsOrganic ChemicalsDiterpenesTerpenes

Study Design

Study Type
interventional
Phase
phase 2
Allocation
NA
Masking
NONE
Purpose
TREATMENT
Intervention Model
SINGLE GROUP
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Doctor

Study Record Dates

First Submitted

July 25, 2019

First Posted

July 26, 2019

Study Start

September 1, 2019

Primary Completion

January 1, 2021

Study Completion

January 1, 2022

Last Updated

July 26, 2019

Record last verified: 2019-07