Predicting peptide receptor radiotherapy using a gene expression assay
AssigneeLiquid Biopsy Research LLC
InventorsIrvin Mark MODLIN, Mark KIDD, Ignat DROZDOV
Life of this patent
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Abstract
The present invention is directed to methods for providing a peptide receptor radiotherapy treatment recommendation for a subject having a neuroendocrine tumor by determining the expression level of each of at least 9 biomarkers comprising ARAF1, BRAF, KRAS, RAF-1, ATP6V1H, OAZ2, PANK2, PLD3, and ALG9. In some embodiments, the methods can further include determining the expression level of each of NAP1L1, NOL3, and TECPR2.
Claims52
A method of providing a peptide receptor radiotherapy (PRRT) treatment recommendation for a subject having a neuroendocrine tumor (NET), the method comprising:
- determining the expression level of at least 9 biomarkers from a test sample from the subject by contacting the test sample with a plurality of agents specific to detect the expression of the at least 9 biomarkers, wherein the 9 biomarkers comprise ARAF1, BRAF, KRAS, RAF-1, ATP6V1H, OAZ2, PANK2, PLD3, and ALG9;
- normalizing the expression level of each of ARAF1, BRAF, KRAS, RAF-1, ATP6V1H, OAZ2, PANK2, and PLD3 to the expression level of ALG9, thereby obtaining a normalized expression level of each of ARAF1, BRAF, KRAS, RAF-1, ATP6V1H, OAZ2, PANK2, and PLD3;
- summing the normalized expression level of each of ARAF1, BRAF, KRAS, RAF-1, ATP6V1H, OAZ2, PANK2, and PLD3, thereby obtaining a summated expression level;
- determining a first score, wherein the first score is 1 when the summated expression level is equal to or greater than a first predetermined cutoff value, or the first score is 0 when the summated expression level is below the first predetermined cutoff value;
- determining a second score based on the histological grade of the NET, wherein the second score is 1 when the NET is designated high grade, or the second score is 0 when the NET is designated low grade;
- calculating a third score based on the following equation:
- Third Score=39.22787−40.80341*(First Score)−18.441*(Second Score);
- and
- providing a recommendation that the NET will respond to PRRT when the third score is equal to or less than a second predetermined cutoff value, or
- providing a recommendation that the NET will not respond to PRRT when the third score is above the second predetermined cutoff value.
A method of providing a peptide receptor radiotherapy (PRRT) treatment recommendation for a subject having a neuroendocrine tumor (NET), the method comprising:
- determining the expression level of at least 12 biomarkers from a test sample from the subject by contacting the test sample with a plurality of agents specific to detect the expression of the at least 12 biomarkers, wherein the 12 biomarkers comprise ARAF1, BRAF, KRAS, RAF-1, ATP6V1H, OAZ2, PANK2, PLD3, NAP1L1, NOL3, TECPR2, and ALG9;
- normalizing the expression level of each of ARAF1, BRAF, KRAS, RAF-1, ATP6V1H, OAZ2, PANK2, PLD3, NAP1L1, NOL3, and TECPR2 to the expression level of ALG9, thereby obtaining a normalized expression level of each of ARAF1, BRAF, KRAS, RAF-1, ATP6V1H, OAZ2, PANK2, PLD3, NAP1L1, NOL3, and TECPR2;
- summing the normalized expression level of each of ARAF1, BRAF, KRAS, RAF-1, ATP6V1H, OAZ2, PANK2 PLD3, NAP1L1, NOL3, and TECPR2, thereby obtaining a summated expression level;
- determining a first score, wherein the first score is 1 when the summated expression level is equal to or greater than a first predetermined cutoff value, or the first score is 0 when the summated expression level is below the first predetermined cutoff value;
- determining a second score based on the histological grade of the NET, wherein the second score is 1 when the NET is designated high grade, or the second score is 0 when the NET is designated low grade;
- calculating a third score based on the following equation:
- Third Score=39.22787−40.80341*(First Score)−18.441*(Second Score);
- and
- providing a recommendation that the NET will respond to PRRT when the third score is equal to or less than a second predetermined cutoff value, or
- providing a recommendation that the NET will not respond to PRRT when the third score is above the second predetermined cutoff value.
A method of providing a peptide receptor radiotherapy (PRRT) treatment recommendation for a subject having a neuroendocrine tumor (NET), the method comprising:
- determining the expression level of each of at least 12 biomarkers from a test sample from the subject by contacting the test sample with a plurality of agents specific to detect the expression of the at least 12 biomarkers, wherein the 12 biomarkers comprise ARAF1, BRAF, KRAS, RAF-1, ATP6V1H, OAZ2, PANK2, PLD3, NAP1L1, NOL3, TECPR2, and ALG9;
- normalizing the expression level of each of ARAF1, BRAF, KRAS, RAF-1, ATP6V1H, OAZ2, PANK2, PLD3, NAP1L1, NOL3, and TECPR2 to the expression level of ALG9, thereby obtaining a normalized expression level of each of ARAF1, BRAF, KRAS, RAF-1, ATP6V1H, OAZ2, PANK2, PLD3, NAP1L1, NOL3, and TECPR2;
- summing the normalized expression level of each of ARAF1, BRAF, KRAS, RAF-1, ATP6V1H, OAZ2, PANK2, PLD3, NAP1L1, NOL3, and TECPR2 thereby obtaining a summated expression level;
- and
- providing a recommendation that the NET will respond to PRRT when the summated expression level is equal to or greater than a predetermined cutoff value, or
- providing a recommendation that the NET will not respond to PRRT when the summated expression level is less than the predetermined cutoff value.
A method of providing a peptide receptor radiotherapy (PRRT) treatment recommendation for a subject having a low grade or high grade neuroendocrine tumor (NET), the method comprising:
- determining the expression level of each of at least 12 biomarkers from a test sample from the subject by contacting the test sample with a plurality of agents specific to detect the expression of the at least 12 biomarkers, wherein the 12 biomarkers comprise ARAF1, BRAF, KRAS, RAF-1, ATP6V1H, OAZ2, PANK2, PLD3, NAP1L1, NOL3, TECPR2, and ALG9;
- normalizing the expression level of each of ARAF1, BRAF, KRAS, RAF-1, ATP6V1H, OAZ2, PANK2, PLD3, NAP1L1, NOL3, and TECPR2 to the expression level of ALG9, thereby obtaining a normalized expression level of each of ARAF1, BRAF, KRAS, RAF-1, ATP6V1H, OAZ2, PANK2, PLD3, NAP1L1, NOL3, and TECPR2;
- summing the normalized expression level of each of ARAF1, BRAF, KRAS, RAF-1, ATP6V1H, OAZ2, PANK2, PLD3, NAP1L1, NOL3, and TECPR2, thereby obtaining a summated expression level;
- and
- providing a recommendation that the low grade or high grade NET will respond to PRRT when the summated expression level is equal to or greater than a predetermined cutoff value, or
- providing a recommendation that the low grade or high grade NET will not respond to PRRT when the summated expression level is less than the predetermined cutoff value.
A method of providing a peptide receptor radiotherapy (PRRT) treatment recommendation for a subject having a low grade or high grade neuroendocrine tumor (NET), the method comprising:
- determining the expression level of each of at least 9 biomarkers from a test sample from the subject by contacting the test sample with a plurality of agents specific to detect the expression of the at least 9 biomarkers, wherein the 9 biomarkers comprise ARAF1, BRAF, KRAS, RAF-1, ATP6V1H, OAZ2, PANK2, PLD3, and ALG9;
- normalizing the expression level of each of ARAF1, BRAF, KRAS, RAF-1, ATP6V1H, OAZ2, PANK2, and PLD3 to the expression level of ALG9, thereby obtaining a normalized expression level of each of ARAF1, BRAF, KRAS, RAF-1, ATP6V1H, OAZ2, PANK2, and PLD3;
- summing the normalized expression level of each of ARAF1, BRAF, KRAS, RAF-1, ATP6V1H, OAZ2, PANK2, and PLD3, thereby obtaining a summated expression level;
- and
- providing a recommendation that the low grade or high grade NET will respond to PRRT when the summated expression level is equal to or greater than a predetermined cutoff value, or
- providing a recommendation that the low grade or high grade NET will not respond to PRRT when the summated expression level is less than the predetermined cutoff value.
A method of treating a subject with peptide receptor radiotherapy (PRRT), wherein the subject has a neuroendocrine tumor (NET), the method comprising:
- determining the expression level of at least 9 biomarkers from a test sample from the subject by contacting the test sample with a plurality of agents specific to detect the expression of the at least 9 biomarkers, wherein the 9 biomarkers comprise ARAF1, BRAF, KRAS, RAF-1, ATP6V1H, OAZ2, PANK2, PLD3, and ALG9;
- normalizing the expression level of each of ARAF1, BRAF, KRAS, RAF-1, ATP6V1H, OAZ2, PANK2, and PLD3 to the expression level of ALG9, thereby obtaining a normalized expression level of each of ARAF1, BRAF, KRAS, RAF-1, ATP6V1H, OAZ2, PANK2, and PLD3;
- summing the normalized expression level of each of ARAF1, BRAF, KRAS, RAF-1, ATP6V1H, OAZ2, PANK2, and PLD3, thereby obtaining a summated expression level;
- determining a first score, wherein the first score is 1 when the summated expression level is equal to or greater than a first predetermined cutoff value, or the first score is 0 when the summated expression level is below the first predetermined cutoff value;
- determining a second score based on the histological grade of the NET, wherein the second score is 1 when the NET is designated high grade, or the second score is 0 when the NET is designated low grade;
- calculating a third score based on the following equation:
- Third Score=39.22787−40.80341*(First Score)−18.441*(Second Score);
- and
- administering PRRT to the subject when the third score is equal to or greater than the predetermined cutoff value.
A method of treating a subject with peptide receptor radiotherapy (PRRT), wherein the subject has a neuroendocrine tumor (NET), the method comprising:
- determining the expression level of at least 12 biomarkers from a test sample from the subject by contacting the test sample with a plurality of agents specific to detect the expression of the at least 12 biomarkers, wherein the 12 biomarkers comprise ARAF1, BRAF, KRAS, RAF-1, ATP6V1H, OAZ2, PANK2, PLD3, NAP1L1, NOL3, TECPR2, and ALG9;
- normalizing the expression level of each of ARAF1, BRAF, KRAS, RAF-1, ATP6V1H, OAZ2, PANK2, PLD3, NAP1L1, NOL3, and TECPR2 to the expression level of ALG9, thereby obtaining a normalized expression level of each of ARAF1, BRAF, KRAS, RAF-1, ATP6V1H, OAZ2, PANK2, PLD3, NAP1L1, NOL3, and TECPR2;
- summing the normalized expression level of each of ARAF1, BRAF, KRAS, RAF-1, ATP6V1H, OAZ2, PANK2 PLD3, NAP1L1, NOL3, and TECPR2, thereby obtaining a summated expression level;
- determining a first score, wherein the first score is 1 when the summated expression level is equal to or greater than a first predetermined cutoff value, or the first score is 0 when the summated expression level is below the first predetermined cutoff value;
- determining a second score based on the histological grade of the NET, wherein the second score is 1 when the NET is designated high grade, or the second score is 0 when the NET is designated low grade;
- calculating a third score based on the following equation:
- Third Score=39.22787−40.80341*(First Score)−18.441*(Second Score);
- and
- administering PRRT to the subject when the third score is equal to or greater than the predetermined cutoff value.
A method of treating a subject with peptide receptor radiotherapy (PRRT), wherein the subject has a neuroendocrine tumor (NET), the method comprising:
- determining the expression level of each of at least 12 biomarkers from a test sample from the subject by contacting the test sample with a plurality of agents specific to detect the expression of the at least 12 biomarkers, wherein the 12 biomarkers comprise ARAF1, BRAF, KRAS, RAF-1, ATP6V1H, OAZ2, PANK2, PLD3, NAP1L1, NOL3, TECPR2, and ALG9;
- normalizing the expression level of each of ARAF1, BRAF, KRAS, RAF-1, ATP6V1H, OAZ2, PANK2, PLD3, NAP1L1, NOL3, and TECPR2 to the expression level of ALG9, thereby obtaining a normalized expression level of each of ARAF1, BRAF, KRAS, RAF-1, ATP6V1H, OAZ2, PANK2, PLD3, NAP1L1, NOL3, and TECPR2;
- summing the normalized expression level of each of ARAF1, BRAF, KRAS, RAF-1, ATP6V1H, OAZ2, PANK2, PLD3, NAP1L1, NOL3, and TECPR2 thereby obtaining a summated expression level;
- and
- administering PRRT to the subject when the summated expression level is equal to or greater than the predetermined cutoff value.
A method of treating a subject with peptide receptor radiotherapy (PRRT), wherein the subject has a low grade or high grade neuroendocrine tumor (NET), the method comprising:
- determining the expression level of each of at least 12 biomarkers from a test sample from the subject by contacting the test sample with a plurality of agents specific to detect the expression of the at least 12 biomarkers, wherein the 12 biomarkers comprise ARAF1, BRAF, KRAS, RAF-1, ATP6V1H, OAZ2, PANK2, PLD3, NAP1L1, NOL3, TECPR2, and ALG9;
- normalizing the expression level of each of ARAF1, BRAF, KRAS, RAF-1, ATP6V1H, OAZ2, PANK2, PLD3, NAP1L1, NOL3, and TECPR2 to the expression level of ALG9, thereby obtaining a normalized expression level of each of ARAF1, BRAF, KRAS, RAF-1, ATP6V1H, OAZ2, PANK2, PLD3, NAP1L1, NOL3, and TECPR2;
- summing the normalized expression level of each of ARAF1, BRAF, KRAS, RAF-1, ATP6V1H, OAZ2, PANK2, PLD3, NAP1L1, NOL3, and TECPR2, thereby obtaining a summated expression level;
- and
- administering PRRT to the subject when the summated expression level is equal to or greater than the predetermined cutoff value.
A method of treating a subject with peptide receptor radiotherapy (PRRT), wherein the subject has a low grade or high grade neuroendocrine tumor (NET), the method comprising:
- determining the expression level of each of at least 9 biomarkers from a test sample from the subject by contacting the test sample with a plurality of agents specific to detect the expression of the at least 9 biomarkers, wherein the 9 biomarkers comprise ARAF1, BRAF, KRAS, RAF-1, ATP6V1H, OAZ2, PANK2, PLD3, and ALG9;
- normalizing the expression level of each of ARAF1, BRAF, KRAS, RAF-1, ATP6V1H, OAZ2, PANK2, and PLD3 to the expression level of ALG9, thereby obtaining a normalized expression level of each of ARAF1, BRAF, KRAS, RAF-1, ATP6V1H, OAZ2, PANK2, and PLD3;
- summing the normalized expression level of each of ARAF1, BRAF, KRAS, RAF-1, ATP6V1H, OAZ2, PANK2, and PLD3, thereby obtaining a summated expression level;
- and
- administering PRRT to the subject when the summated expression level is equal to or greater than the predetermined cutoff value.
Dependencies are inferred from the claim text.