phosphorylase/iiveldus

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Phase II study of capecitabine with concomitant radiotherapy for patients with locally advanced pancreatic cancer: up-regulation of thymidine phosphorylase.

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OBJECTIVE The objectives of this phase II study were to evaluate the effect of radiation (XRT) on thymidine phosphorylase (TP), dihydropyrimidine dehydrogenase (DPD), and tumor necrosis factor-alpha (TNF-alpha) and the efficacy of capecitabine-XRT in patients with locally advanced pancreatic

Significance of thymidine phosphorylase in metronomic chemotherapy using CPT-11 and doxifluridine for advanced colorectal carcinoma.

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BACKGROUND A phase II study was designed to evaluate the efficacy, safety and predictors for response of metronomic chemotherapy using weekly low-dosage CPT-11 and doxifluridine (5'-DFUR) in 45 patients with metastatic colorectal cancer. METHODS Forty mg/m2 of CPT-11 was administered for 3

Thymidine phosphorylase expression is associated with time to progression in patients receiving low-dose, docetaxel-modulated capecitabine for metastatic breast cancer.

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BACKGROUND Preclinical data have indicated a synergistic interaction between docetaxel and capecitabine by means of taxane-induced up-regulation of thymidine phosphorylase (TP). On the basis of such premises, we conducted a phase II trial to determine the activity and tolerability of weekly

Final results of a multicenter phase II study of the purine nucleoside phosphorylase (PNP) inhibitor forodesine in patients with advanced cutaneous T-cell lymphomas (CTCL) (Mycosis fungoides and Sézary syndrome).

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BACKGROUND Forodesine is a potent inhibitor of purine nucleoside phosphorylase (PNP) that leads to intracellular accumulation of deoxyguanosine triphosphate (dGTP) in T and B cells, resulting in apoptosis. Forodesine has demonstrated impressive antitumor activity in early phase clinical trials in

Final results of a multicenter phase II study of the purine nucleoside phosphorylase (PNP) inhibitor forodesine in patients with advanced cutaneous t-cell lymphomas (CTCL) (Mycosis fungoides and Sézary syndrome).

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Forodesine is a potent inhibitor of purine nucleoside phosphorylase (PNP) that leads to intracellular accumulation of deoxyguanosine triphosphate (dGTP) in T and B cells, resulting in apoptosis. Forodesine has demonstrated impressive antitumor activity in early phase clinical trials in

Mitochondrial Neurogastrointestinal Encephalomyopathy: Novel Pathogenic Mutation in Thymidine Phosphorylase Gene in a Patient from Cape Verde Islands.

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Mitochondrial Neurogastrointestinal Encephalomyopathy (MNGIE) is a rare autosomal recessive disorder caused by mutations in the gene encoding the Thymidine Phosphorylase (TP). It is clinically characterized by severe gastrointestinal dysmotility, cachexia, palpebral ptosis, ophthalmoparesis,

Trifluridine/Tipiracil: A Review in Metastatic Gastric Cancer.

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Trifluridine/tipiracil (Lonsurf^®) is a fixed-dose combination tablet comprising trifluridine, an antineoplastic nucleoside analogue, and tipiracil, a thymidine phosphorylase inhibitor. Trifluridine/tipiracil has recently been granted an additional indication in the USA for the treatment

Combination therapy with capecitabine and interferon alfa-2A in patients with advanced renal cell carcinoma: a phase II study.

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Capecitabine is a fluoropyrimidine carbamate capable of exploiting the high concentrations of thymidine phosphorylase in tumor tissue to achieve activation preferentially at the tumor site. Thymidine phosphorylase activity is high in renal cell carcinoma tissue. Interferon alfa has been proved to be

Forodesine in the treatment of cutaneous T-cell lymphoma.

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BACKGROUND Cutaneous T-cell lymphoma (CTCL) is characterized by the accumulation of neoplastic CD4+ T lymphocytes in the skin. Given the lack of curative treatments for CTCL, there is a significant need for new, superior therapies. Forodesine is a transition-state analogue that inhibits purine

Helical tomotherapy with concurrent capecitabine for the treatment of inoperable pancreatic cancer.

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BACKGROUND Helical tomotherapy, an advanced intensity-modulated radiation therapy with integrated CT imaging, permits highly conformal irradiation with sparing of normal tissue. Capecitabine, a pro-drug of 5-FU that induces thymidine phosphorylase can achieve higher levels of intracellular 5-FU when

[Clinical efficacy of low-dose weekly docetaxel combined with oral 5'-deoxy-5-fluorouridine (5'-DFUR) in advanced or metastatic breast cancer: a pilot trial].

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Docetaxel (TXT) has been shown to be an up-regulator of human pyrimidine nucleoside phosphorylase (PyNPase) in tumors. We have tried to use the combination of low-dose weekly TXT with 5'-DFUR (LD + D) in patients with advanced or metastatic breast cancer. In this study, we compared the clinical

Oral doxifluridine in advanced hepatocellular carcinoma: A phase II study.

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Hepatocellular carcinoma (HCC) remains one of the most common neoplasms in the world. Doxifluridine is an oral fluoropyrimidine derivative activated to 5-fluorouracil by uridine phosphorylase which is more expressed in malignant cells. Therefore, we conducted a phase II study to evaluate the

[Mitochondrial Neuro-Gastro-Intestinal Encephalopathy (MNGIE): When and how to suspect it in front of an atypical anorexia nervosa?]

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BACKGROUND The Mitochondrial Neurogastrointestinal Encephalopathy (MNGIE) disease is an extremely underrated syndrome beginning around the age of eighteen years. Because of its severity, this diagnosis should be considered when a patient presents an atypical anorexia nervosa. MNGIE disease is

[A new anticancer drug, 5'-deoxy-5-fluorouridine (5'-DFUR)].

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Recently 5'-DFUR (5'-deoxy-5-fluorouridine) was developed as a new anticancer drug in Japan. The compound was active against various murine tumors by oral administration and the toxicity was almost comparable to the other prodrugs of 5-fluorouracil (5-FU). 5'-DFUR is converted to 5-FU in vivo by

Phase II clinical trial of capecitabine in ovarian carcinoma recurrent 6-12 months after completion of primary chemotherapy, with exploratory TS, DPD, and TP correlates: a Gynecologic Oncology Group study.

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OBJECTIVE A phase II trial was conducted to evaluate the anti-tumor activity and adverse effects of capecitabine in women with measurable platinum-sensitive ovarian cancer or platinum-sensitive primary peritoneal cancer and to explore the ability of thymidylate synthase (TS), dihydropyrimidine

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