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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT04560270
Other study ID # KRASCIPANC
Secondary ID
Status Completed
Phase N/A
First received
Last updated
Start date April 25, 2016
Est. completion date November 15, 2019

Study information

Verified date September 2020
Source Poitiers University Hospital
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

With an incidence of more than 11,600 new cases per year in France and an annual number of deaths close to the incidence rate, adenocarcinoma of the pancreas is a public health problem.

The aim of this study is to assess the predictive value of response to the 1st line of chemotherapy of mutated KRAS ctDNA (circulating tumor DNA) in unresectable metastatic or locally advanced pancreatic adenocarcinomas.


Description:

With an incidence of more than 11,600 new cases per year in France and an annual number of deaths close to the incidence rate, adenocarcinoma of the pancreas is a public health problem especially since there is a significant increase in its incidence. incidence (+ 417% between 1980 and 2012).

Most often diagnosed late, pancreatic adenocarcinoma is managed at a metastatic stage in 60 to 70% of cases with a very poor prognosis (8.7 to 11.1 months median survival with current chemotherapies). The first line of chemotherapy therefore represents a major issue in the management of these unresectable patients. There are few predictive markers of response to chemotherapy in pancreatic adenocarcinoma. It is conventionally evaluated by scanner every 2 to 3 months. The response to chemotherapy is associated with a good prognosis while non-response has a poor prognosis and requires a 2nd line of treatment if the patient is able to receive it.

A KRAS mutation is present in approximately 70-90% of pancreatic adenocarcinomas. Its research on tissue sampling (fine needle aspiration or anatomo-pathological specimen) is not carried out routinely because no prognostic or predictive value of KRAS mutations has been demonstrated. New high-throughput DNA sequencing techniques have been developed and now allow a blood sample to detect and quantify circulating tumor DNA (ctDNA), including KRAS mutations.

Very few studies have investigated the change in cDNA levels during 1st line chemotherapy in unresectable pancreatic adenocarcinoma.

The aim of this study is to assess the predictive value of response to the 1st line of chemotherapy of mutated KRAS cDNA in unresectable metastatic or locally advanced pancreatic adenocarcinomas.


Recruitment information / eligibility

Status Completed
Enrollment 69
Est. completion date November 15, 2019
Est. primary completion date June 28, 2019
Accepts healthy volunteers No
Gender All
Age group 18 Years and older
Eligibility Inclusion Criteria:

- Proven pancreatic adenocarcinoma (histology or cytology)

- Metastatic or locally advanced unresectable

- With thoraco-abdomino-pelvic scanner less than a month old

- Chemotherapy treatment regardless of the protocol

- Patients benefiting from a Social Security scheme or benefiting through the intermediary of a third party

- Informed consent signed by the patient after clear and fair information about the study

Exclusion Criteria:

- Linguistic or psychological refusal or inability to understand and / or sign the informed consent

- History of cancer in the 5 years preceding inclusion

- Patient who has already received chemotherapy or radiotherapy for pancreatic cancer.

- Immediately resectable tumor

Study Design


Intervention

Diagnostic Test:
Blood samples
Blood samples to determine ctDNA levels during chemotherapy

Locations

Country Name City State
n/a

Sponsors (1)

Lead Sponsor Collaborator
Poitiers University Hospital

Outcome

Type Measure Description Time frame Safety issue
Primary Correlation of the ctDNA level to the response to chemotherapy Response to chemotherapy was evaluated with RECIST criteria 1.1 on the first CT scan 3 months
Secondary Overall survival Correlation between variation of ctDNA and overall survival 6 months after last patients inclusion
Secondary Progression free survival Correlation between variation of ctDNA and progression free survival 6 months after last patients inclusion
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