Iothalamate

Uses

Iothalamate is a diagnostic contrast agent used in various medical imaging procedures, such as angiography, arthrography, and computed tomographic scans.

Conray is indicated for use in excretory urography, cerebral angiography, peripheral arteriography, venography, arthrography, direct cholangiography, endoscopic retrograde cholangiopancreatography, contrast enhancement of computed tomographic brain images, cranial computerized angiotomography, intravenous digital subtraction angiography and arterial digital subtraction angiography. Conray may also be used for enhancement of computed tomographic scans performed for detection and evaluation of lesions in the liver, pancreas, kidneys, abdominal aorta, mediastinum, abdominal cavity and retroperitoneal space.

Iothalamate is also used to associated treatment for these conditions: Kidney Diseases

Food Interaction

• Take on an empty stomach. Do not eat the meal that occurs before the administration of iothalamic acid for examination.

Elimination Route

Renal accumulation is sufficiently rapid that maximum radiographic density in the calyces and pelves occurs, in most instances, about 3 to 8 minutes after injection. In patients with impaired renal function, diagnostic opacification frequently is achieved only after prolonged periods.

Half Life

In patients with normal renal function, the alpha and beta half-lives of Conray were approximately 10 and 90 minutes, respectively.

Elimination Route

Following intravascular injection, Conray is rapidly transported through the circulatory system to the kidneys and is excreted unchanged in the urine by glomerular filtration. The liver and small intestine provide the major alternate route of excretion. In patients with severe renal impairment, the excretion of this contrast medium through the gallbladder and into the small intestine sharply increases.

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