Acetrizoic acid
- V08AA07 (WHO)
- 3-Acetamido-2,4,6-triiodobenzoic acid
- 85-36-9 N
- Na salt: 129-63-5
- 6806
- Na salt: 8517
- DB09347 N
- 6547 Y
- Na salt: 8203
- 24256BQV7M
- Na salt: 5GF4B2I1DD
- D02457 Y
- ChEMBL1201327 N
- Na salt: ChEMBL1201045
- DTXSID2022549
- Interactive image
- O=C(Nc1c(I)c(c(I)cc1I)C(=O)O)C
- InChI=1S/C9H6I3NO3/c1-3(14)13-8-5(11)2-4(10)6(7(8)12)9(15)16/h2H,1H3,(H,13,14)(H,15,16) Y
- Key:GNOGSFBXBWBTIG-UHFFFAOYSA-N Y
Acetrizoic acid is a pharmaceutical drug that was used as an iodinated contrast medium for X-ray imaging.[1][2] It was applied in form of its salt, sodium acetrizoate, but is no longer in clinical use.[3]
Chemistry and mechanism of action
The substance has high osmolality and is water-soluble. The three iodine atoms in the molecule readily absorb X-rays and are therefore responsible for its usability as a contrast medium.[3]
History
Acetrizoate was developed by V.H. Wallingford of Mallinckrodt, and introduced in 1950;[4] it was employed as a contrast agent for several radiographic studies, including pyelography,[5][6] angiography of the brain, carotid arteries and the aorta,[7][8] and cholecystography.[9][10] It was soon found to be highly toxic to the kidneys and nervous system—work urging caution in its administration was published as early as 1959,[11] after reports of adverse reactions ranging from hypersensitivity to brain damage—and was eventually replaced by other agents with higher efficacy and lower toxicity, such as sodium diatrizoate, a closely related compound.[4]
Trade names
Trade names include Urokon, Triurol and Salpix, as well as Gastrografina and Urografina in Portugal.
References
- ^ International Drug Names: Acetrizoic acid.
- ^ Cheng, K. T. (2004). "5-3-Hydroxy-2-hydroxymethyl-propionamido)-N,N´-dimethyl-N,N´-bis-(2,3-dihydroxypropyl)-2,4,6-triiodoisophthalamide". PMID 20641966.
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(help) - ^ a b "Acetrizoate sodium". Online Medical Dictionary. University of Newcastle upon Tyne. March 5, 2000. Retrieved 2007-11-14.
- ^ a b McClennan BL (1990). "Preston M. Hickey memorial lecture. Ionic and nonionic iodinated contrast media: evolution and strategies for use". AJR. American Journal of Roentgenology. 155 (2): 225–33. doi:10.2214/ajr.155.2.2115244. PMID 2115244.
- ^ NESBIT RM, LAPIDES J (1950). "Preliminary report on urokon, a new excretory pyelographic medium". J Urol. 63 (6): 1109–12. doi:10.1016/s0022-5347(17)68871-2. PMID 15422724.
- ^ EYLER WR, DREW DR, BOHNE AW (1956). "A comparative clinical trial of urographic media: renografin, hypaque, and urokon". Radiology. 66 (6): 871–3. doi:10.1148/66.6.871. PMID 13323329.
- ^ LIU P, MURTAGH F, WYCIS HT, SCOTT M (1953). "Report of one hundred carotid angiograms taken with the new contrast medium acetrizoate (urokon) on Chamberlain's biplane stereoscopic angiographic unit". AMA Archives of Neurology & Psychiatry. 69 (5): 651–2. PMID 13039633.
- ^ SEAMAN WB, SCHWARTZ HG (1953). "Cerebral arteriography with sodium acetrizoate (urokon sodium) 30%". AMA Archives of Surgery. 67 (5): 741–5. doi:10.1001/archsurg.1953.01260040752012. PMID 13103941.
- ^ ORLOFF TL (1955). "Intravenous cholecystography with a new medium; experience with sodium acetrizoate (urokon sodium) seventy per cent". AMA Archives of Surgery. 71 (4): 620–2. doi:10.1001/archsurg.1955.01270160146019. PMID 13258064.
- ^ WOOLLEY IM, KEIZUR LW, MAYERHARNISCH G (1957). "Gallbladder visualization following the use of 70 per cent sodium acetrizoate (urokon sodium) for intravenous pyelography". Radiology. 69 (4): 576–7. doi:10.1148/69.4.576. PMID 13485425.
- ^ LANCE EM, KILLEN DA, SCOTT HW (1959). "A plea for caution in the use of sodium acetrizoate (urokon) for aortography". Ann Surg. 150 (1): 172. doi:10.1097/00000658-195907000-00022. PMC 1613496. PMID 13661846.
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Iodinated, Water soluble |
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Iodinated, Water insoluble |
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Non-iodinated |
Paramagnetic | |
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Superparamagnetic |
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Other |
- Microspheres of human albumin
- Microparticles of galactose
- Perflenapent
- Microspheres of phospholipids
- Sulfur hexafluoride
- #WHO-EM
- ‡Withdrawn from market
- Clinical trials:
- †Phase III
- §Never to phase III
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