Leucovorin Calcium - CAS 1492-18-8
Catalog number:
1492-18-8
Category:
Inhibitor
Not Intended for Therapeutic Use. For research use only.
Molecular Formula:
C20H23CaN7O7+2
Molecular Weight:
513.52
COA:
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Targets:
Antifolate
Description:
leucovorin calcium is an active metabolite of folic acid (also called folinic acid and citrovorum factor), which does not require metabolism by dihydrofolate reductase, the molecular target of folate antagonist-type chemotherapeutic drugs. Leucovorin calcium counteracts the toxic effects of these medications, 'rescuing' the patient while permitting the antitumor activity of the folate antagonist. This agent also potentiates the effects of fluorouracil and its derivatives by stabilizing the binding of the drug's metabolite to its target enzyme, thus prolonging drug activity.
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Purity:
>98%
Synonyms:
Folinic acid calcium salt; Calcium Folinate
MSDS:
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1.Application of FLEEOX Preoperative Chemotherapy via Intra-arterial and Intravenous Administration in Treatment of Unresectable Locally Advanced Gastric Cancer.
He Q1, Li Y1, Ma L1, Ji X1, Li G2. J Gastrointest Surg. 2016 Apr 25. [Epub ahead of print]
BACKGROUND: The prognosis of unresectable locally advanced gastric cancer is poor. We applied preoperative chemotherapy via intra-arterial and intravenous administration to convert an initially unresectable gastric cancer to a resectable cancer.
2.Cervical Ectopic Pregnancy Complicated by Escherichia Coli Septicemia: A Case Report.
Persadie RJ1, Costescu-Green D1, Gerster KM1. J Obstet Gynaecol Can. 2016 Mar;38(3):275-8. doi: 10.1016/j.jogc.2015.12.008. Epub 2016 Mar 10.
BACKGROUND: Cervical ectopic pregnancy is an uncommon form of ectopic pregnancy. The spectrum of treatment options includes systemic medical therapy, local injection with methotrexate and/or potassium chloride, surgery, or a combination of these modalities.
3.Preoperative chemoradiotherapy followed by transanal local excision for T3 distal rectal cancer: A case report.
Yeo SG1. Exp Ther Med. 2016 Apr;11(4):1465-1468. Epub 2016 Feb 9.
Local excision (LE) for rectal cancer is currently indicated for selected T1 stage tumors. However, preoperative chemoradiotherapy (CRT) for locally advanced rectal cancer not only improves local disease control, but also leads to a decrease in the stage and size of the primary mural tumor, along with a decrease in the risk of regional lymphadenopathy. The present study reports the outcome of a patient with T3N0M0 rectal cancer who was treated with LE following preoperative CRT. The distal pole of the tumor was located 2 cm from the anal verge. Preoperative pelvic radiotherapy of 50.4 Gy was administered in 28 fractions. Chemotherapy using 5-fluorouracil and leucovorin was administered during the first and last weeks of radiotherapy. The tumor response to CRT, was found to be marked at 7 weeks after CRT completion, and a complete response was presumed clinically. Transanal full-thickness LE was performed, and pathological examination revealed the absence of residual cancer cells.
4.Nanomedicine developments in the treatment of metastatic pancreatic cancer: focus on nanoliposomal irinotecan.
Ko AH1. Int J Nanomedicine. 2016 Mar 31;11:1225-35. doi: 10.2147/IJN.S88084. eCollection 2016.
Nanoliposomal irinotecan (nal-IRI) was originally developed using an efficient and high-loading capacity system to encapsulate irinotecan within a liposomal carrier, producing a therapeutic agent with improved biodistribution and pharmacokinetic characteristics compared to free drug. Specifically, administration of nal-IRI results in prolonged exposure of SN-38, the active metabolite of irinotecan, within tumors, while at the same time offering the advantage of less systemic toxicity than traditional irinotecan. These favorable properties of nal-IRI, confirmed in a variety of tumor xenograft models, led to its clinical evaluation in a number of disease indications for which camptothecins have proven activity, including in colorectal, gastric, and pancreatic cancers. The culmination of these clinical trials was the NAPOLI-1 (Nanoliposomal irinotecan with fluorouracil and folinic acid in metastatic pancreatic cancer after previous gemcitabine-based therapy) trial, an international Phase III study evaluating nal-IRI both alone and in combination with 5-fluorouracil and leucovorin in patients with metastatic pancreatic adenocarcinoma following progression on gemcitabine-based chemotherapy.
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