Fadrozole
Chemical compound
- None
- In general: ℞ (Prescription only)
- 4-(5,6,7,8-tetrahydroimidazo[1,5-a]pyridin-5-yl)benzonitrile
- 102676-47-1
Y
- hydrochloride: 102676-31-3
Y
- 59693
- 53850
N
- H3988M64PU
- hydrochloride: H0Q44H4ECQ
Y
- D02451
Y
- ChEMBL9298
N
- DTXSID5034141
- Interactive image
- C1CC(N2C=NC=C2C1)C3=CC=C(C=C3)C#N
InChI
- InChI=1S/C14H13N3/c15-8-11-4-6-12(7-5-11)14-3-1-2-13-9-16-10-17(13)14/h4-7,9-10,14H,1-3H2
N
- Key:CLPFFLWZZBQMAO-UHFFFAOYSA-N
N
![☒](http://upload.wikimedia.org/wikipedia/commons/thumb/a/a2/X_mark.svg/7px-X_mark.svg.png)
![check](http://upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/7px-Yes_check.svg.png)
Fadrozole (INNTooltip International Nonproprietary Name), sold under the brand name Afema (by Novartis), is a selective, nonsteroidal aromatase inhibitor which is or has been used in Japan for the treatment of breast cancer.[1][2]
Generation | Medication | Dosage | % inhibitiona | Classb | IC50c |
---|---|---|---|---|---|
First | Testolactone | 250 mg 4x/day p.o. | ? | Type I | ? |
100 mg 3x/week i.m. | ? | ||||
Rogletimide | 200 mg 2x/day p.o. 400 mg 2x/day p.o. 800 mg 2x/day p.o. | 50.6% 63.5% 73.8% | Type II | ? | |
Aminoglutethimide | 250 mg mg 4x/day p.o. | 90.6% | Type II | 4,500 nM | |
Second | Formestane | 125 mg 1x/day p.o. 125 mg 2x/day p.o. 250 mg 1x/day p.o. | 72.3% 70.0% 57.3% | Type I | 30 nM |
250 mg 1x/2 weeks i.m. 500 mg 1x/2 weeks i.m. 500 mg 1x/1 week i.m. | 84.8% 91.9% 92.5% | ||||
Fadrozole | 1 mg 1x/day p.o. 2 mg 2x/day p.o. | 82.4% 92.6% | Type II | ? | |
Third | Exemestane | 25 mg 1x/day p.o. | 97.9% | Type I | 15 nM |
Anastrozole | 1 mg 1x/day p.o. 10 mg 1x/day p.o. | 96.7–97.3% 98.1% | Type II | 10 nM | |
Letrozole | 0.5 mg 1x/day p.o. 2.5 mg 1x/day p.o. | 98.4% 98.9%–>99.1% | Type II | 2.5 nM | |
Footnotes: a = In postmenopausal women. b = Type I: Steroidal, irreversible (substrate-binding site). Type II: Nonsteroidal, reversible (binding to and interference with the cytochrome P450 heme moiety). c = In breast cancer homogenates. Sources: See template. |
References
- ^ Browne LJ, Gude C, Rodriguez H, Steele RE, Bhatnager A (February 1991). "Fadrozole hydrochloride: a potent, selective, nonsteroidal inhibitor of aromatase for the treatment of estrogen-dependent disease". J. Med. Chem. 34 (2): 725–36. doi:10.1021/jm00106a038. PMID 1825337.
- ^ Raats JI, Falkson G, Falkson HC (January 1992). "A study of fadrozole, a new aromatase inhibitor, in postmenopausal women with advanced metastatic breast cancer". J. Clin. Oncol. 10 (1): 111–6. doi:10.1200/jco.1992.10.1.111. PMID 1530798.[permanent dead link]
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