Granted Patent
B2
US 12,478,601 · App. 18/174,706 · Granted Nov 25, 2025
Dietary product devoid of at least two non essential amino acids
Assignee:
Cancer Research Technology Limited
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Abstract
The present invention relates to a dietary product comprising a plurality of amino acids, wherein the dietary product comprises all the essential amino acids and wherein the dietary product is substantially devoid of at least two non-essential amino acids; methods and uses thereof in the treatment of cancer; stratification methods and biomarkers for such applications.
Claims (27)
1 . A method of treating a cancer in a subject in need thereof, the method comprising administering to the subject:
(a) a therapeutically effective amount of a dietary product,
wherein the dietary product comprises a plurality of amino acids or salts thereof, wherein the plurality of amino acids or salts thereof comprises methionine or a salt thereof, leucine or a salt thereof, phenylalanine or a salt thereof, isoleucine or a salt thereof, valine or a salt thereof, lysine or a salt thereof, threonine or a salt thereof, histidine or a salt thereof, and tryptophan or a salt thereof,
wherein the dietary product is substantially a sole source of exogenous amino acids consumed by the subject, and
wherein the dietary product is devoid of glycine, serine, and proline, and salts, prodrugs, homodimers, heterodimers, and esters of glycine, serine and proline; and
(b) a therapeutically effective amount of one or more therapeutic agents; wherein the cancer consumes exogenous serine and is characterized by phosphoglycerate dehydrogenase (PHGDH) expression reduced relative to non-cancerous tissue, wherein the cancer is colorectal cancer, pancreatic cancer, intestinal cancer, lymphoma, or breast cancer.
2 . The method of claim 1 , wherein the dietary product comprises at least 12 amino acids, salts of the at least 12 amino acids, or a combination of 12 amino acids or salts of the at least 12 amino acids.
3 . The method of claim 1 , wherein the dietary product further comprises alanine or a salt thereof, arginine or a salt thereof, aspartic acid or a salt thereof, asparagine or a salt thereof, cysteine or a salt thereof, glutamine or a salt thereof, glutamic acid or a salt thereof, or tyrosine or a salt thereof.
4 . The method of claim 1 , wherein the dietary product is formulated as a solid, a powder, a liquid, a beverage, or an enteral nutritional product.
5 . The method of claim 1 , wherein the one or more therapeutic agents comprise one or more chemotherapeutic agents.
6 . The method of claim 5 , wherein the one or more chemotherapeutic agents comprise gemcitabine.
7 . The method of claim 5 , wherein the one or more chemotherapeutic agents comprise bevacizumab.
8 . The method of claim 5 , wherein the one or more chemotherapeutic agents comprise oxaliplatin.
9 . The method of claim 5 , wherein the one or more chemotherapeutic agents comprise paclitaxel or nab-paclitaxel.
10 . The method of claim 5 , wherein the one or more chemotherapeutic agents comprise capecitabine.
11 . The method of claim 5 , wherein the one or more chemotherapeutic agents comprise 5-fluorouracil.
12 . The method of claim 5 , wherein the one or more chemotherapeutic agents comprise irinotecan.
13 . The method of claim 1 , wherein the one or more therapeutic agents comprise radiotherapy or a radiotherapeutic agent.
14 . The method of claim 1 , wherein the cancer has reduced expression or reduced activity of one or more of phosphoserine aminotransferase 1 (PSAT1) and phosphoserine phosphatase (PSPH).
15 . The method of claim 1 , wherein the cancer is a solid tumor.
16 . The method of claim 1 , wherein the cancer is lymphoma.
17 . The method of claim 1 , wherein the cancer is colorectal cancer.
18 . The method of claim 1 , wherein the cancer is pancreatic cancer.
19 . The method of claim 1 , wherein the method results in inhibition of cancer cell proliferation in the subject.
20 . The method of claim 1 , wherein the cancer is characterized by PHGDH expression reduced by at least about 30% relative to non-cancerous tissue.
21 . The method of claim 1 , wherein the cancer is intestinal cancer.
22 . The method of claim 1 , wherein the cancer is breast cancer.
Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded Sep 27, 2023
From: MADDOCKS, OLIVER; VOUSDEN, KAREN
To: CANCER RESEARCH TECHNOLOGY LIMITED
Reel/Frame 065051/0301 →
Priority Claims (2)
GB 1603098
· Feb 23, 2016
· national
GB 1609441
· May 27, 2016
· national
Continuity (2)
Continuation
15999666
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