- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT06299124
A Phase I Study of RGT-419B in Patients With HR-Positive, HER2-Negative Advanced Breast Cancer or Other Solid Tumors
March 6, 2024 updated by: Regor Pharmaceuticals Inc.
A Phase I Study Evaluating Safety and Tolerability of RGT-419B Monotherapy in Chinese Patients With Hormone Receptor Positive, Human Epidermal Growth Factor Receptor 2 Negative Advanced/Metastatic Breast Cancer or Other Solid Tumors
This is a Phase 1 dose escalation and dose expansion phase I study to evaluate the safety, tolerability, pharmacokinetic profile and preliminary efficacy of RGT-419B as monotherapy in Chinese patients with HR+/HER2- advanced/metastatic breast cancer and other advanced solid tumors.
Study Overview
Status
Recruiting
Conditions
Intervention / Treatment
Study Type
Interventional
Enrollment (Estimated)
40
Phase
- Phase 1
Contacts and Locations
This section provides the contact details for those conducting the study, and information on where this study is being conducted.
Study Contact
- Name: Yan Zhou
- Phone Number: 86-021-31168233
- Email: yan.zhou@qlregor.com
Study Locations
-
-
Shanghai
-
Shanghai, Shanghai, China, 200032
- Recruiting
- Fudan University Shanghai Cancer Center
-
Contact:
- Yan Zhou
- Phone Number: 86-021-31168233
-
-
Participation Criteria
Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.
Eligibility Criteria
Ages Eligible for Study
- Adult
- Older Adult
Accepts Healthy Volunteers
No
Description
Inclusion Criteria:
- Male or female ≥ 18 years of age
- Eastern Cooperative Oncology Group (ECOG) performance status score of 0 or 1
- Subjects with pathologically confirmed advanced solid tumors who have failed standard-of-care therapy, or have no standard-of-care therapy available, or are currently not eligible for standard-of-care therapy; Subjects with HR+/ HER2- advanced or metastatic breast cancer are preferred.
- Estimated life expectancy of at least 12 weeks
Exclusion Criteria:
- Presence of visceral metastases with severe organ dysfunction
- Known active hepatitis B or C infection
- Prior irradiation to >25% of the bone marrow and/or inadequate bone marrow function or evidence of clinicallysignificant end-organ damage
- History of allergic reactions attributed to compounds of similar chemical or biologic composition to the drugs usedin the study
Study Plan
This section provides details of the study plan, including how the study is designed and what the study is measuring.
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: RGT-419B monotherapy
Dose escalation and dose expansion of RGT-419B monotherapy
|
RGT-419B will be administered orally
Other Names:
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Safety & Tolerability - Number of subjects with Dose-Limiting Toxicities (DLTs) at each cohort dose level
Time Frame: 4 weeks (1 cycle)
|
Number of subjects who have a confirmed DLT at each cohort dose level during the first 28-day cycle of RGT-419B treatment.
|
4 weeks (1 cycle)
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Safety & Tolerability - Incidence, Severity, and Causality of all Treatment Emergent Adverse Events (TEAEs)
Time Frame: through study completion, an average of 1 year
|
Incidence, severity, and causality of all TEAEs will be assessed for all patients participating from Day 1 dosing through end of study.
|
through study completion, an average of 1 year
|
Day 1 and steady-state pharmacokinetics(PK) assessment of RGT-419B and major metabolites - Cmax
Time Frame: 4 weeks (1 cycle)
|
4 weeks (1 cycle)
|
|
Day 1 and steady-state PK assessment of RGT-419B and major metabolites - Area Under Concentration-TimeCurve to Infinity (AUC0-inf)
Time Frame: 4 weeks (1 cycle)
|
4 weeks (1 cycle)
|
|
Day 1 and steady-state PK assessment of RGT-419B and major metabolites - Plasma Decay Half-Life (t1/2)
Time Frame: 4 weeks (1 cycle)
|
4 weeks (1 cycle)
|
|
Day 1 and steady-state PK assessment of RGT-419B and major metabolites - Time to Reach Maximum ObservedPlasma Concentration (Tmax)
Time Frame: 4 weeks (1 cycle)
|
4 weeks (1 cycle)
|
|
Day 1 and steady-state PK assessment of RGT-419B and major metabolites - Accumulation rate after multipledoses
Time Frame: 4 weeks (1 cycle)
|
4 weeks (1 cycle)
|
|
Day 1 and steady-state PK assessment of RGT-419B and major metabolites - Cumulative urinary excretion
Time Frame: 4 weeks (1 cycle)
|
4 weeks (1 cycle)
|
|
Tumor Response assessed by Investigator according to RECIST v1.1
Time Frame: through study completion, an average of 1 year
|
through study completion, an average of 1 year
|
|
QTc Interval - Changes in corrected QT interval
Time Frame: through study completion, an average of 1 year
|
Number of subjects with a clinically significant increase from baseline in corrected QT (QTc) interval onrepeated ECGs
|
through study completion, an average of 1 year
|
Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Sponsor
Investigators
- Principal Investigator: Jian Zhang, MD, Fudan University
Study record dates
These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.
Study Major Dates
Study Start (Actual)
April 17, 2023
Primary Completion (Estimated)
December 30, 2024
Study Completion (Estimated)
June 30, 2025
Study Registration Dates
First Submitted
March 1, 2024
First Submitted That Met QC Criteria
March 1, 2024
First Posted (Actual)
March 7, 2024
Study Record Updates
Last Update Posted (Actual)
March 8, 2024
Last Update Submitted That Met QC Criteria
March 6, 2024
Last Verified
March 1, 2024
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- RGT-419B-102
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
NO
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
No
Studies a U.S. FDA-regulated device product
No
product manufactured in and exported from the U.S.
No
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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-
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