Development of a Cell Free DNA Assay as a Biomarker for Predicting Early Non-response to Therapy in Metastatic Cancer

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Total Enrollment

130 participants

Study Classification

OBSERVATIONAL

Study Start Date

2019-03-01

Study Completion Date

2024-02-06

Brief Summary

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Accrue samples for the further development and clinical validation of a blood-based cell-free DNA (cfDNA) quantitative real-time polymerase chain reaction (qPCR) assay as a potential biomarker for early non-response to therapy in stage IV non-small cell lung cancer (NSCLC), colorectal cancer (CRC) and breast cancer (BC).

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Detailed Description

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Most anticancer drugs are effective only in subgroups of patients, and our current understanding of tumor biology does not allow us to predict accurately which patient will benefit from a specific therapeutic regimen. The definitive proof of the effectiveness of a therapy is improvement in clinical symptoms and survival. Imaging is generally used to assess therapeutic effects earlier and more objectively. Current response assessment is based primarily on changes in tumor size as measured by CT or other anatomic imaging modalities.

Cadex Genomics has developed an analytically validated cell-free DNA (cfDNA) quantitative real-time polymerase chain reaction (qPCR) assay that utilizes standard qPCR platforms for processing, this test can reliably obtain results from small blood volumes and possesses exceptionally high analytical sensitivity of circulating cfDNA.

The purpose of this study is to accrue samples for the further development and clinical validation of a blood-based cell-free cfDNA qPCR assay as a potential biomarker for early non-response to therapy in stage IV non-small cell lung cancer (NSCLC), colorectal cancer (CRC) and breast cancer (BC).

Conditions

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Metastatic Non-Small Cell Lung Carcinoma Metastatic Colorectal Cancer Metastatic Breast Cancer

Study Design

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Observational Model Type

COHORT

Study Time Perspective

PROSPECTIVE

Study Groups

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Metastatic Lung Cancer, Colorectal Cancer or Breast Cancer

A total of 750 subjects with lung cancer, CRC and breast cancer will be consecutively enrolled. It is expected that 250 subjects will be lung cancer patients, 250 mCRC patients and 250 breast cancer patients.

Blood-based cell-free cfDNA qPCR assay

Intervention Type DIAGNOSTIC_TEST

Up to 30mL of blood via venipuncture

Interventions

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Blood-based cell-free cfDNA qPCR assay

Up to 30mL of blood via venipuncture

Intervention Type DIAGNOSTIC_TEST

Eligibility Criteria

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Inclusion Criteria

Age ≥ 18 years.

Documented stage IV NSCLC, SCLC, BC or CRC (can be new diagnosis, persistent or recurrent disease):

BC patients who meet the following criteria:

ER+/HER2- and has failed hormone therapy within the last two years, or ER+/HER2+ or, ER-/HER+ or, HER2-/ER-/PR- (TNBC), and Has ≥ 1 measurable non- bone lesion as measured per RECIST or, If bone only disease, has two or more measurable (\> 1 cm by RECIST) predominantly lytic bone lesions

Planned initiation of new systemic first- or second-line treatment or subsequent therapies with chemotherapy, immunotherapy, targeted therapy or combination thereof. Or continuation of the current line of therapy after RECIST/iRECIST evaluation which coincides with end of the cycle of therapy and prior to initiation of the next cycle of therapy.

Imaging to determine RECIST and/or iRECIST criteria:

If baseline blood draw is planned prior to first cycle of a line (1st, 2nd, 3rd etc) of therapy, measurable disease with CT or MRI or PET/CT monitoring should be completed within 4 weeks prior to baseline blood draw.

If baseline test is performed at the completion of a cycle of therapy, CT or MRI or PET/CT monitoring should be completed to coincide with end of cycle of therapy and prior to baseline blood draw.

Planned CT or MRI or PET/CT monitoring for treatment response completed within 8-12 weeks of start of treatment.

Willing and able to donate up to 30mL of blood at each blood draw. Willing and able to provide informed consent.

Exclusion Criteria

Diagnosis of a secondary malignancy that is not in complete remission. Imaging to determine RECIST and/or iRECIST criteria is not planned or available.

CT or MRI or PET/CT monitoring for treatment response is not planned within 8-12 weeks.

Presence of active autoimmune disease which is under active treatment. DVT, PE, sepsis, or has recovered from any other serious illness within the prior 2 weeks of the baseline blood draw. (Note: Patients who have recovered from similar conditions more than 2 weeks prior to the baseline blood draw would be eligible for the study) If initiating a new line of therapy, patient has received any doses of the new block of therapy before the first designated blood draw.

If continuing current line of therapy after CT, MRI or PET/CT monitoring, patient has received subsequent cycle of therapy before the first designated blood draw.

Performance status ECOG ≥3. Evidence of acute renal failure as determined by current clinical guidelines. NSCLC, SCLC or CRC patients beyond 9 months of the initiation of therapy, on 1st line immunotherapy alone, or combination immunotherapy and chemotherapy regimens. (Note: patients on subsequent lines of therapy (2nd,3rd line etc.) would be eligible at any time point including prior to the 9 months vs those patients on 1st line therapy)..

Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No