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1. (WO2017114851) METHODS FOR PREDICTING THE SURVIVAL TIME OF PATIENTS SUFFERING FROM A MICROSATELLITE UNSTABLE CANCER
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CLAIMS:

1. A method for predicting the survival time of a patient suffering from a microsatellite unstable cancer comprising i) determining the expression level of at least one gene encoding for an immune checkpoint protein in a tumor tissue sample obtained from the patient, ii) comparing the expression level determined at step i) with a predetermined reference value and iii) concluding that the patient will have a long survival time when the level determined at step i) is lower than the predetermined reference value or concluding that the patient will have a short survival time when the level determined at step i) is higher than the predetermined reference value.

2. The method of claim 1 wherein the microsatellite unstable cancer is microsatellite unstable colorectal cancer.

3. The method of claim 1 wherein the microsatellite unstable cancer is at Stage I, II, III, or IV as determined by the TNM classification.

4. The method of claim 1 wherein the microsatellite unstable colorectal cancer is a non- metastatic cancer.

5. The method of claim 1 comprising determining the expression level of at least one gene selected from the group consisting of IDOl, CD40, CD274, ICOS, TNFRSF9, TNFRSF18, LAG3, IL2RB, HAVCR2, TNFRSF4, CD276, CTLA4, PDCD1LG2, VTCN1 and PDCDl.

6. The method of claim 1 comprising determining the expression of 1, 2, 3, 4, 5, 6, 7, 8,

9, 10, 11, 12, 13, 14, or 15 genes selected from the group consisting of IDOl, CD40, CD274, ICOS, TNFRSF9, TNFRSF18, LAG3, IL2RB, HAVCR2, TNFRSF4, CD276, CTLA4, PDCD1LG2, VTCN1 and PDCD1.

7. A method for determining whether a patient suffering from a microsatellite unstable cancer will achieve a response with an immune checkpoint inhibitor comprising i) determining the expression level of at least one gene encoding for an immune checkpoint protein in a tumor tissue sample obtained from the patient, ii) comparing the expression level determined at step i) with a predetermined reference value and iii) concluding that the patient will achieve a response when the level determined at step i) is higher than the predetermined reference value.

8. The method of claim 7 wherein the microsatellite unstable cancer is microsatellite unstable colorectal cancer.

9. The method of claim 7 wherein the microsatellite unstable cancer is at Stage I, II, III, or IV as determined by the TNM classification.

10. The method of claim 7 wherein the microsatellite unstable 7cancer is a non-metastatic colorectal cancer.

11. The method of claim 7 comprising determining the expression level of at least one gene selected from the group consisting of IDOl, CD40, CD274, ICOS, TNFRSF9, TNFRSF18, LAG3, IL2RB, HAVCR2, TNFRSF4, CD276, CTLA4, PDCD1LG2, VTCN1 and PDCDl.

12. The method of claim 7 comprising determining the expression of 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, or 15 genes selected from the group consisting of IDOl, CD40, CD274, ICOS, TNFRSF9, TNFRSF18, LAG3, IL2RB, HAVCR2, TNFRSF4, CD276, CTLA4, PDCD1LG2, VTCN1 and PDCD1.

13. The method of claim 7 wherein the immune checkpoint inhibitor is an antibody selected from the group consisting of anti-CTLA4 antibodies anti-PDl antibodies, anti-PDLl antibodies, anti-TIM-3 antibodies, anti-LAG3 antibodies, anti-B7H3 antibodies, anti-B7H4 antibodies, anti-BTLA antibodies, and anti-B7H6 antibodies.

14. A method for treating microsatellite unstable cancer in a patient in need thereof comprising the steps of: a) determining whether the patient suffering from a microsatellite unstable cancer will achieve a response with an immune checkpoint inhibitor by performing the method according to any one of claims 7 to 13, and b) administering the immune checkpoint inhibitor, if said patient has been considered as a responder.

15. The method of claim 14 wherein the microsatellite unstable cancer is microsatellite unstable colorectal cancer.