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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT03571438
Other study ID # 38RC17.063
Secondary ID
Status Recruiting
Phase N/A
First received
Last updated
Start date October 16, 2017
Est. completion date September 30, 2024

Study information

Verified date January 2020
Source University Hospital, Grenoble
Contact Jean-Luc Descotes, PU-PH
Phone +33 (0)4 76 76 59 22
Email jldescotes@chu-grenoble.fr
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

The investigators objective is to test the combination directly on organotypic cultures of tumors from patients after their excision in the Department of Urology and Renal Transplantation of the University Hospital of Grenoble and to compare their efficacy with that of currently selected treatments in the clinic.

The population targeted by the combination for use in clinical practice is patients with metastatic clear cell renal cell carcinoma.

Current treatments for these patients are Sunitinib, Pazopanib and Temsirolimus.


Description:

Given the failure of conventional therapies in kidney cancer, both chemo and radio resistant, it was necessary to seek therapeutic alternatives.

Thus, in 2005, the first targeted therapies in kidney cancer came with protein kinase inhibitors including mTOR (mammilian target of rapamycin) inhibitors (Temsirolimus and Everolimus) and VEGFR inhibitors (Sunitinib, Sorafenib, Pazopanib and Axitinib).

Nevertheless resistance to these treatments appeared with their prolonged use as monotherapy in all cases. One of the main mechanisms of this therapeutic escape is the adaptation of the tumor cell via the use of an alternative pathway of deregulation of cell signaling.

Thus emerged the idea of simultaneously treating multiple targets to prevent the tumor cell from adapting. Phase I / II therapeutic trials have already been initiated with the combination of anti-BRAF (proto-oncogene B-Raf) and anti-MEK (MAP-ERK kinase) in metastatic melanoma or with the combination of anti-EGFR (epidermal growth factor receptor) and anti-MET in lung and breast cancer. The results are very promising since we observe a synergistic effect of two targeted therapies combined.

In kidney cancer, this escape phenomenon is also observed (example of the mTORC2 (mammilian target of rapamycin complex 2) crosstalk on AKT which limits the effect of mTORC1 (mammilian target of rapamycin complex 1) inhibitors at the level of the PI3 kinase signaling pathway).

It is therefore time to check if this strategy is applicable in kidney cancer. The investigators have, through a chemo-genomic screening of a hundred molecules stored in the CEA (French Alternative Energies and Atomic Energy Commission) chemical bank, found a combination of inhibitors targeting the kinases CK2 and ATM very effective on a human cell line of renal cell carcinoma clear. This combination has been tested on conventional cultures as well as on more innovative 3D cultures, better reproducing the tumor environment. The preliminary results obtained show that the combination is clearly more efficient in a 3D model as well as on the VHL-line (von Hippel-Lindau) in hypoxic condition, which is very encouraging.

In the context of preclinical validation, it is now essential to evaluate the therapeutic potential of these molecules by comparing their efficiency with those currently selected.


Recruitment information / eligibility

Status Recruiting
Enrollment 100
Est. completion date September 30, 2024
Est. primary completion date September 30, 2022
Accepts healthy volunteers No
Gender All
Age group 18 Years and older
Eligibility Inclusion Criteria:

- major patient treated at the University Hospital of Grenoble for a renal tumor with suspected or confirmed malignancy.This includes non-metastatic patients undergoing renal lumpectomy, partial nephrectomy or total nephrectomy, as well as metastatic or locally advanced cancer patients undergoing cytoreductive surgery who are eligible for medical treatment at the same time

Exclusion Criteria:

- Contaminated patients with HIV and /or HBV (hepatitis B virus) and / or HCV (hepatitis C virus) positive serology.

- Absence or withdrawal of the informed consent of the patient.

- Tumors smaller than 2 cm on preoperative imaging

Study Design


Related Conditions & MeSH terms


Intervention

Combination Product:
CK2 and ATM inhibitors serine/ threonin Kinase combination
Treatment of cell culture with CK2 and ATM inhibitors serine/ threonin Kinase combination
Drug:
Sunitinib
Treatment of cell culture with Sunitinib
Pazopanib
Treatment of cell culture with Pazopanib
Temsirolimus
Treatment of cell culture with Temsirolimus

Locations

Country Name City State
France Grenoble Alps Hospital Grenoble

Sponsors (1)

Lead Sponsor Collaborator
University Hospital, Grenoble

Country where clinical trial is conducted

France, 

Outcome

Type Measure Description Time frame Safety issue
Primary Incidence of cell death on organotypic cultures of human renal tumors (Efficacy) Death cell rate on organotypic cultures of human renal tumors. after the treatment period (between 48 and 96 hours)
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