Details
| Stereochemistry | EPIMERIC |
| Molecular Formula | C22H25N7O5.H2O |
| Molecular Weight | 485.4931 |
| Optical Activity | UNSPECIFIED |
| Defined Stereocenters | 1 / 2 |
| E/Z Centers | 0 |
| Charge | 0 |
SHOW SMILES / InChI
SMILES
O.CCC(CC1=NC2=C(N)N=C(N)N=C2N=C1)C3=CC=C(C=C3)C(=O)N[C@@H](CCC(O)=O)C(O)=O
InChI
InChIKey=ANBVTUQPYAYQBF-XEKVDKDVSA-N
InChI=1S/C22H25N7O5.H2O/c1-2-11(9-14-10-25-19-17(26-14)18(23)28-22(24)29-19)12-3-5-13(6-4-12)20(32)27-15(21(33)34)7-8-16(30)31;/h3-6,10-11,15H,2,7-9H2,1H3,(H,27,32)(H,30,31)(H,33,34)(H4,23,24,25,28,29);1H2/t11?,15-;/m0./s1
| Molecular Formula | C22H25N7O5 |
| Molecular Weight | 467.4778 |
| Charge | 0 |
| Count |
|
| Stereochemistry | EPIMERIC |
| Additional Stereochemistry | No |
| Defined Stereocenters | 1 / 2 |
| E/Z Centers | 0 |
| Optical Activity | UNSPECIFIED |
| Molecular Formula | H2O |
| Molecular Weight | 18.0153 |
| Charge | 0 |
| Count |
|
| Stereochemistry | ACHIRAL |
| Additional Stereochemistry | No |
| Defined Stereocenters | 0 / 0 |
| E/Z Centers | 0 |
| Optical Activity | NONE |
Edatrexate (10-ethyl-10-deazaaminopterin or 10-EDAM) is an analog of methotrexate with improved pre-clinical antitumor activity, more selective cellular uptake, and with the more extensive formation of intracellular polyglutamate metabolites. This drug is a new dihydrofolate reductase inhibitor, which was studied in phase II clinical trial for the patients with different cancers. The studies were discontinued, for example, in advanced renal cell carcinoma edatrexate in the investigated dose and schedule had minimal activity and was toxic. In case of non-small-cell lung cancer, the dosing schedule of edatrexate did not appear to be improved compared to other chemotherapeutic regimens. In addition, edatrexate was involved in the experiment for the treatemnt of rheumatoid arthritis, but this study was also discontinued.
Approval Year
Targets
| Primary Target | Pharmacology | Condition | Potency |
|---|---|---|---|
Target ID: P00374 Gene ID: 1719.0 Gene Symbol: DHFR Target Organism: Homo sapiens (Human) |
Conditions
| Condition | Modality | Targets | Highest Phase | Product |
|---|---|---|---|---|
| Primary | Unknown Approved UseUnknown |
|||
| Primary | Unknown Approved UseUnknown |
|||
| Palliative | Unknown Approved UseUnknown |
Cmax
| Value | Dose | Co-administered | Analyte | Population |
|---|---|---|---|---|
13272 ng/mL EXPERIMENT https://pubmed.ncbi.nlm.nih.gov/9816135 |
1080 mg/m² 1 times / week multiple, intravenous dose: 1080 mg/m² route of administration: Intravenous experiment type: MULTIPLE co-administered: LEUCOVORIN |
EDATREXATE plasma | Homo sapiens population: UNHEALTHY age: ADULT sex: FEMALE / MALE food status: UNKNOWN |
AUC
| Value | Dose | Co-administered | Analyte | Population |
|---|---|---|---|---|
39702 ng × h/mL EXPERIMENT https://pubmed.ncbi.nlm.nih.gov/9816135 |
1080 mg/m² 1 times / week multiple, intravenous dose: 1080 mg/m² route of administration: Intravenous experiment type: MULTIPLE co-administered: LEUCOVORIN |
EDATREXATE plasma | Homo sapiens population: UNHEALTHY age: ADULT sex: FEMALE / MALE food status: UNKNOWN |
T1/2
| Value | Dose | Co-administered | Analyte | Population |
|---|---|---|---|---|
4.1 h EXPERIMENT https://pubmed.ncbi.nlm.nih.gov/9816135 |
1080 mg/m² 1 times / week multiple, intravenous dose: 1080 mg/m² route of administration: Intravenous experiment type: MULTIPLE co-administered: LEUCOVORIN |
EDATREXATE plasma | Homo sapiens population: UNHEALTHY age: ADULT sex: FEMALE / MALE food status: UNKNOWN |
Doses
| Dose | Population | Adverse events |
|---|---|---|
400 mg/m2 1 times / 3 weeks multiple, intravenous Highest studied dose Dose: 400 mg/m2, 1 times / 3 weeks Route: intravenous Route: multiple Dose: 400 mg/m2, 1 times / 3 weeks Sources: |
unhealthy, ADULT Health Status: unhealthy Age Group: ADULT Sex: M+F Food Status: UNKNOWN Sources: |
DLT: Diarrhea, Stomatitis... Dose limiting toxicities: Diarrhea (grade 3, 33.3%) Sources: Stomatitis (grade 4, 66.7%) |
350 mg/m2 1 times / 3 weeks multiple, intravenous MTD Dose: 350 mg/m2, 1 times / 3 weeks Route: intravenous Route: multiple Dose: 350 mg/m2, 1 times / 3 weeks Sources: |
unhealthy, ADULT Health Status: unhealthy Age Group: ADULT Sex: M+F Food Status: UNKNOWN Sources: |
|
270 mg/m2 1 times / 2 weeks multiple, intravenous Studied dose Dose: 270 mg/m2, 1 times / 2 weeks Route: intravenous Route: multiple Dose: 270 mg/m2, 1 times / 2 weeks Sources: |
unhealthy, ADULT Health Status: unhealthy Age Group: ADULT Sex: M+F Food Status: UNKNOWN Sources: |
|
3750 mg/m2 1 times / week multiple, intravenous MTD Dose: 3750 mg/m2, 1 times / week Route: intravenous Route: multiple Dose: 3750 mg/m2, 1 times / week Sources: |
unhealthy Health Status: unhealthy Sex: M+F Food Status: UNKNOWN Sources: |
Disc. AE: Leukoencephalopathy... AEs leading to discontinuation/dose reduction: Leukoencephalopathy (33.3%) Sources: |
AEs
| AE | Significance | Dose | Population |
|---|---|---|---|
| Diarrhea | grade 3, 33.3% DLT, Disc. AE |
400 mg/m2 1 times / 3 weeks multiple, intravenous Highest studied dose Dose: 400 mg/m2, 1 times / 3 weeks Route: intravenous Route: multiple Dose: 400 mg/m2, 1 times / 3 weeks Sources: |
unhealthy, ADULT Health Status: unhealthy Age Group: ADULT Sex: M+F Food Status: UNKNOWN Sources: |
| Stomatitis | grade 4, 66.7% DLT, Disc. AE |
400 mg/m2 1 times / 3 weeks multiple, intravenous Highest studied dose Dose: 400 mg/m2, 1 times / 3 weeks Route: intravenous Route: multiple Dose: 400 mg/m2, 1 times / 3 weeks Sources: |
unhealthy, ADULT Health Status: unhealthy Age Group: ADULT Sex: M+F Food Status: UNKNOWN Sources: |
| Leukoencephalopathy | 33.3% Disc. AE |
3750 mg/m2 1 times / week multiple, intravenous MTD Dose: 3750 mg/m2, 1 times / week Route: intravenous Route: multiple Dose: 3750 mg/m2, 1 times / week Sources: |
unhealthy Health Status: unhealthy Sex: M+F Food Status: UNKNOWN Sources: |
PubMed
| Title | Date | PubMed |
|---|---|---|
| The role of circulating immune complexes and biocompatibility of staphylococcal protein A immunoadsorption in mitomycin C-induced hemolytic uremic syndrome. | 2004-10 |
|
| Phase I trial of edatrexate plus carboplatin in advanced solid tumors: amelioration of dose-limiting mucositis by ice chip cryotherapy. | 1998 |
|
| Phase II trial of edatrexate plus carboplatin in metastatic non-small-cell lung cancer: a Southwest Oncology Group study. | 1997 |
|
| Schedule-dependent synergism of taxol or taxotere with edatrexate against human breast cancer cells in vitro. | 1996 |
|
| Schedule-dependent synergism of edatrexate and cisplatin in combination in the A549 lung-cancer cell line as assessed by median-effect analysis. | 1993 |
|
| Synthesis and antifolate evaluation of 10-ethyl-5-methyl-5,10- dideazaaminopterin and an alternative synthesis of 10-ethyl-10- deazaaminopterin (edatrexate). | 1992-08-07 |
Patents
Sample Use Guides
cancer; treatment consisted of edatrexate 80 mg/m2 (50% dose on day 8) intravenously weekly for 5 weeks, then every other week, and carboplatin 350 mg/m2 every 28 days
rheumatoid arthritis: hairless mouse skin: transdermal: 85 micrograms/cm2/hr
Route of Administration:
Other
It was evaluated the ability of edatrexate to modulate the intrinsic resistance of the lung adenocarcinoma A549 cell line to carboplatin. Concentration effects, exposure time and schedule dependence were assessed. Modulation of resistance was observed with edatrexate treatment (0.2 microM for 1 h) prior to carboplatin. The concentrations of carboplatin to achieve IC50 at the 1-, 3-, and 24-h IC50 were decreased by a mean of 16.8 times (12.2-22.2) with edatrexate preexposure. In contrast, there was little modulation observed of carboplatin resistance when carboplatin was administered prior to edatrexate. In addition, schedule dependency experiments were performed using the method described by Chou and Talalay, in which the ratio of carboplatin to edatrexate was constant or nonconstant, and both the potency of effects and the shapes of the concentration-effect curves were taken into account in a computerized analysis.
| Substance Class |
Chemical
Created
by
admin
on
Edited
Wed Apr 02 17:53:25 GMT 2025
by
admin
on
Wed Apr 02 17:53:25 GMT 2025
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| Record UNII |
5KMD2L467S
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| Record Status |
Validated (UNII)
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| Record Version |
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169490803
Created by
admin on Wed Apr 02 17:53:25 GMT 2025 , Edited by admin on Wed Apr 02 17:53:25 GMT 2025
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5KMD2L467S
Created by
admin on Wed Apr 02 17:53:25 GMT 2025 , Edited by admin on Wed Apr 02 17:53:25 GMT 2025
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