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Clinical Trial Details — Status: Withdrawn

Administrative data

NCT number NCT03138395
Other study ID # IRB201700351
Secondary ID iCare315963
Status Withdrawn
Phase N/A
First received April 25, 2017
Last updated August 29, 2017
Start date September 15, 2017
Est. completion date August 15, 2019

Study information

Verified date August 2017
Source University of Florida
Contact n/a
Is FDA regulated No
Health authority
Study type Observational

Clinical Trial Summary

This study will use droplet digital PCR (ddPCR) method to quantify and track peripheral blood plasma mutant allele frequency (MAF) in MDS and AML patients before, during and after chemotherapy treatment. Quantification of MAF from fingersticks and saliva samples will also be performed to determine feasibility of obtaining adequate circulating tumor DNA (ctDNA) for ddPCR.


Description:

The greatest challenge in cancer is relapsed disease. Despite best available therapies, approximately 20% of acute myeloid leukemia (AML) patients and 80% of myelodysplastic syndrome (MDS) patients die of relapsed disease. Minimal residual disease (MRD) is the main predictor of refractory disease following chemotherapy. In AML and MDS patients, mutant allele frequency (MAF) associates with future occurrence of relapse. Current oncology practice relies on painful bone marrow biopsies and light microscopy to monitor disease progression, remission, and relapse. Because of the bias in disease sampling and low sensitivity testing, there is an urgent need for a higher sensitivity test to monitor the tumor burden in these patients. The Investigator developed a rapid and ultrahigh sensitivity method to detect cancer-associated mutant alleles. This study will use our droplet digital PCR (ddPCR) method to quantify and track peripheral blood plasma MAF in MDS and AML patients before, during and after chemotherapy treatment. Quantification of MAF from fingersticks and saliva samples will also be performed to determine feasibility of obtaining adequate circulating tumor DNA (ctDNA) for ddPCR. Results from this project will generate a non-invasive means to monitor cancer response and progression months before current clinical methods, and provide an opportunity to intervene before the patient relapses. Furthermore, establishing a quantitative method to measure cancer burden will empower clinical researchers to measure biological activity in phase II and III clinical trials of new therapeutic agents.


Recruitment information / eligibility

Status Withdrawn
Enrollment 0
Est. completion date August 15, 2019
Est. primary completion date February 15, 2018
Accepts healthy volunteers
Gender All
Age group 18 Years to 100 Years
Eligibility Inclusion Criteria:

- Clinical diagnosis of MDS or AML;

- Have previously consented or prospectively consent to participate in iCare for Cancer (IRB201500073) and the Malignant Hematology Bank (IRB201501063); and

- Must be 18 years of age or older.

Exclusion Criteria:

- Have not previously consented or prospectively consent to participate in iCare for Cancer (IRB201500073) and the Malignant Hematology Bank (IRB201501063); and

- Must be 100 years of age or less.

Study Design


Related Conditions & MeSH terms


Intervention

Diagnostic Test:
droplet digital PCR
This study will use our droplet digital PCR (ddPCR) method to quantify and track peripheral blood plasma MAF in MDS and AML patients before, during and after chemotherapy treatment. Quantification of MAF from fingersticks and saliva samples will also be performed to determine feasibility of obtaining adequate circulating tumor DNA (ctDNA) for ddPCR. Results from this project will generate a non-invasive means to monitor cancer response and progression months before current clinical methods, and provide an opportunity to intervene before the patient relapses.

Locations

Country Name City State
n/a

Sponsors (1)

Lead Sponsor Collaborator
University of Florida

Outcome

Type Measure Description Time frame Safety issue
Primary Number of Myeloid Mutations To count the number of myeloid mutations with the use of a droplet digital PCR (ddPCR) method which will quantify and track peripheral blood plasma, finger stick blood sample, and saliva mutant allele frequency (MAF) in myelodysplastic syndrome (MDS) and acute myeloid leukemia (AML) patients before, during and after chemotherapy treatment. 1 year
Secondary Number of Myeloid Mutations in circulating DNA tumor (ctDNA) mutations To count the number myeloid mutations in ctDNA through the collection of serial samples from AML and MDS patients to determine minimal residual disease (MRD) or relapse free survival. 1 year
Secondary Mutant Allele Frequency (MAF) Ratio To count the overall number of finger stick and saliva ctDNA MAF and compare it to the overall number of peripheral blood and bone marrow MAF. 1 year
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