- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03947736
Dynamic Monitoring of HER2 and ctDNA Specific Mutations in Patients With Recurrent or Metastatic Breast Cancer by Digital PCR
Detection of HER2 Amplification Status and Dynamic Monitoring of Specific Mutations in Patients With Recurrent or Metastatic Breast Cancer by Digital PCR
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Patients were divided into two groups according to ctDNA HER2 amplification status by dPCR method. Group A consisted of patients with positive HER2 amplification at the time of enrollment. Plasma HER2 amplification status was measured by dPCR during dynamic monitoring. GroupB consists of patients with negative HER2 amplification when enrolled. Plasma samples were collected before treatment and breast cancer hotspot mutations were detected with NGS, According to the NGS test results, patient's specific mutations were analyzed and selected, which and plasma HER2 amplification status were measured by dPCR during dynamic monitoring.
The study was designed to investigate the relationship between plasma HER2 amplification or specific mutations abundance and imaging assessment in patients with recurrent or metastatic breast cancer. And also to investigate the proportion of predicting in advance the treatment efficacy of recurrent or metastatic breast cancer by plasma HER2 ctDNA, as well as the median time difference between predicted clinical efficacy by changes in abundance of plasma HER2 amplification specific mutations and medical imaging evaluation in patients.
The study only focus on ctDNA detection and does not involve any interventions.
Study Type
Enrollment (Anticipated)
Contacts and Locations
Study Locations
-
-
Beijing
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Beijing, Beijing, China, 100021
- Recruiting
- Chinese Academy of Medical Sciences
-
Contact:
- peng yuan, Prof
- Phone Number: 13501270834
- Email: yuanpeng01@hotmail.com
-
Contact:
- YiRan Si, Dr.
- Phone Number: 18810844632
- Email: 15122649164@163.com
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Sampling Method
Study Population
Description
Inclusion Criteria:
- Confirmed by pathology and/or histology/cytology as breast cancer;
- Patients with recurrent or metastatic breast cancer who are 18 to 75 years old, not limited to the first relapse or metastasis;
- There are evaluable tumor lesions;
- Physical strength: ECOG score 0-1;
- The expected survival period is more than 3 months;
- Agree to be collected tissue specimen;
- The patient has no major organ dysfunction, agrees and can implement a treatment plan based on the patient's condition.
- Voluntary enrollment, good compliance, can be followed up and observed.
Exclusion Criteria:
- Severe vital organs (heart, liver, kidney) dysfunction; clinically significant heart disease, classified by New York Heart Association (NYHA) as grade III-IV heart failure or more severe congestive heart failure or severe Arrhythmia requiring drug intervention; uncontrolled angina, uncontrolled arrhythmia or uncontrollable hypertension, electrocardiogram (ECG)-confirmed myocardial infarction within 6 months;
- Have a history of organ transplantation, splenectomy;
- Patients with other malignancies, except cured non-melanoma skin cancer, cervical carcinoma in situ, or other tumors that have been cured for at least 5 years;
- Moderate or severe renal impairment [creatinine clearance equal to or lower than 50ml/min (calculated according to Cockroft and Gault equations)], or serum creatinine > normal upper limit (ULN); pulmonary function test FEV1 < 50% of estimated value;
- Parallel surgical treatment of other diseases is required;
- Patients who are pregnant or breast-feeding (women of childbearing age need to be examined for pregnancy); women of childbearing age must take contraceptive measures that the investigator considers effective;
- Patients with or showing signs of disseminated spongiform encephalopathy or family members have the disease;
- In the active period of other acute infectious diseases or chronic infectious diseases;
- Have uncontrolled epilepsy, central nervous system disease or a history of mental disorders;
- People with disabilities or with no legal capacity or legal capacity is limited;
- Those who received a research medication or formulation/treatment (ie, participated in other trials) within 4 weeks prior to enrollment;
- Other situations when the investigators believe that patients should not participate in this trial.
Quitting criteria:
- The patient suffers from other diseases and needs to be immediately taken to other therapists, and is no longer suitable for sampling test;
- Diagnosis of encephalitis and other inflammatory neuropathies;
- After the enrollment, it is clearly determined that the subject does not meet the requirements of the subject;
- The investigator believes that the withdrawal of the trial is in the best interest of the subject;
- Pregnancy;
- Poor compliance, two consecutive failures to accept testing as planned;
- The patient him/herself or the researcher believes that it is medically required to be withdrawn from the study.
- For subjects who discontinued the study early, the reason for the early withdrawal should be recorded, and the time of the last visit should be recorded, and the inspection items at the time of early termination of the study should be completed in the last visit as much as possible.
Study Plan
How is the study designed?
Design Details
Cohorts and Interventions
Group / Cohort |
Intervention / Treatment |
---|---|
patients with positive HER2 amplification
|
Without drug intervention, the patient's peripheral blood was collected and cfDNA was extracted for digital PCR detection.
|
patients with negative HER2 amplification
|
Without drug intervention, the patient's peripheral blood was collected and cfDNA was extracted for digital PCR detection.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
The study was designed to investigate the relationship between plasma HER2 amplification or specific mutations abundance and imaging assessment in patients with recurrent or metastatic breast cancer.
Time Frame: 2020-12-31
|
2020-12-31
|
The study was designed to investigate the proportion of predicting in advance the treatment efficacy of recurrent or metastatic breast cancer by plasma HER2 ctDNA.
Time Frame: 2020-12-31
|
2020-12-31
|
Collaborators and Investigators
Collaborators
Investigators
- Study Director: Dr. yuan, Prof, Cancer Institute and Hospital, Chinese Academy of Medical Sciences
Study record dates
Study Major Dates
Study Start (ACTUAL)
Primary Completion (ANTICIPATED)
Study Completion (ANTICIPATED)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (ACTUAL)
Study Record Updates
Last Update Posted (ACTUAL)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- NCC1824
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
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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