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Iopromide

Iopromide, also known by its brand name Ultravist, is a contrast agent used in medical imaging procedures like CT scans and angiography. This article explores various clinical trials investigating the safety and effectiveness of Iopromide in different patient populations and medical contexts. These studies aim to better understand how Iopromide compares to other contrast agents and its potential risks and benefits in diagnostic imaging.

Table of Contents

What is Iopromide?

Iopromide is a medical substance known as a contrast agent or contrast medium. It’s commonly used in medical imaging procedures to help make certain parts of the body show up more clearly on scans. Iopromide is marketed under the brand name Ultravist[1]. It’s important to note that Iopromide is not a medication used to treat diseases directly, but rather a tool to help doctors diagnose and monitor various conditions.

Uses of Iopromide

Iopromide is used in several types of medical imaging procedures, including:

  • Computed Tomography (CT) scans: Iopromide helps create clearer images of the head, body, and blood vessels[2].
  • Coronary Computed Tomography Angiography (CCTA): This is a specialized CT scan of the heart and its blood vessels[3].
  • Cardiac catheterization and angiography: These procedures examine the heart and its blood vessels[4].
  • X-ray examinations: Iopromide can enhance the visibility of certain structures on X-rays[5].

These procedures help doctors diagnose and monitor various conditions, including heart diseases, blood vessel problems, and certain types of cancer.

How Iopromide Works

Iopromide contains iodine, an element that interacts with X-rays. When Iopromide is injected into the body, it flows through the bloodstream and into various tissues. The iodine in Iopromide absorbs X-rays, making the areas where it accumulates appear brighter on the resulting images. This helps doctors see details of organs, blood vessels, and other structures more clearly[2].

Administration of Iopromide

Iopromide is typically administered through an injection into a vein (intravenously) or an artery (intra-arterially). The exact amount used depends on several factors, including:

  • The type of imaging procedure being performed
  • The patient’s body weight
  • The concentration of Iopromide being used (usually 300 or 370 mg of iodine per milliliter)
  • The specific area of the body being examined[6]

The injection is usually given by a healthcare professional just before or during the imaging procedure.

Safety and Side Effects

Iopromide has been used for over 30 years and has been administered more than 250 million times[7]. While it’s generally considered safe, like all medical substances, it can cause side effects in some people. These may include:

  • Allergic-like reactions: These can range from mild (such as itching or hives) to severe (such as difficulty breathing). Severe reactions are rare[7].
  • Kidney problems: In some cases, especially in people with existing kidney issues, Iopromide can affect kidney function[8].
  • Injection site discomfort: Some patients may experience pain or discomfort at the injection site[6].

Your healthcare provider will consider your individual health status and any risk factors before administering Iopromide.

Special Considerations

Certain groups of patients may require special attention when using Iopromide:

  • Patients with kidney problems: Doctors may need to adjust the dose or consider alternative imaging methods for these patients[8].
  • Children and elderly patients: Some studies are looking at the safety of Iopromide in these age groups[9].
  • Patients with heart conditions: Special care may be needed when using Iopromide for heart-related imaging procedures[4].

Ongoing Research

Researchers continue to study Iopromide to improve its use and safety. Some areas of ongoing research include:

  • Comparing Iopromide to other contrast agents in terms of effectiveness and safety[1][8].
  • Investigating the use of lower doses of Iopromide while maintaining image quality[3].
  • Studying the effects of Iopromide in specific patient groups, such as those with kidney problems or different age groups[9].

These ongoing studies help ensure that Iopromide continues to be used effectively and safely in medical imaging.

Aspect Details
Primary Uses CT scans, angiography, X-ray examinations
Patient Populations Studied General population, patients with renal impairment, children, elderly
Key Safety Concerns Contrast-induced nephropathy, hypersensitivity reactions
Comparative Studies Iopromide vs. Iodixanol in various clinical settings
Efficacy Measures Image quality, contrast enhancement, diagnostic accuracy
Ongoing Research Areas Optimal dosing, administration protocols, use in specific medical procedures

FAQ

  • What is Iopromide used for in medical imaging? Iopromide is a contrast agent used to enhance the visibility of blood vessels and organs during imaging procedures such as CT scans, angiography, and other X-ray examinations. It helps make medical images clearer and easier for doctors to interpret.
  • Are there any potential side effects of Iopromide? Like other contrast agents, Iopromide may cause side effects in some patients. The most common concerns are allergic-like reactions and potential kidney toxicity, especially in patients with pre-existing kidney problems. Clinical trials are ongoing to better understand and compare these risks with other contrast agents.
  • How does Iopromide compare to other contrast agents? Several clinical trials are comparing Iopromide to other contrast agents like Iodixanol. These studies aim to determine if there are differences in safety profiles, particularly regarding kidney function and the risk of allergic reactions. The results vary depending on the specific patient population and medical procedure being studied.
  • Is Iopromide safe for patients with kidney problems? The safety of Iopromide in patients with kidney problems is an active area of research. Some studies are specifically looking at its use in patients with chronic kidney disease or renal dysfunction. The goal is to determine if Iopromide has any advantages or disadvantages compared to other contrast agents in this patient population.
  • How is the effectiveness of Iopromide being studied in clinical trials? Clinical trials are assessing the effectiveness of Iopromide by measuring factors such as image quality, contrast enhancement, and diagnostic accuracy. Researchers are also exploring different dosing protocols and administration methods to optimize its use in various imaging procedures, including CT angiography and cardiac catheterization.

Ongoing Clinical Trials on Iopromide

  • Evaluation of Contrast-Enhanced Spectral Mammography Using Iopromide in Women with Suspicious Breast Lesions to Improve Diagnostic Accuracy

    Recruiting

    2 1 1 1
    Investigated drugs:
    Italy

  • Study on Preventing Kidney Problems in Peripheral Arterial Disease Patients Using Carbon Dioxide and Iopamidol, Iomeprol, and Iopromide During Vascular Procedures

    Recruiting

    3 1 1 1
    Investigated diseases:
    Investigated drugs:
    Austria Germany

  • Study on Detecting and Classifying Breast Disease Using Iodixanol in Digital Mammography and Tomosynthesis Compared to MRI in Patients with Breast Pathology

    Not yet recruiting

    2 1 1 1
    Investigated drugs:
    Italy

Glossary

  • Iopromide: A contrast agent used in medical imaging procedures to enhance the visibility of blood vessels and organs. It is also known by the brand name Ultravist.
  • Contrast Agent: A substance used in medical imaging to improve the visibility of internal body structures in X-ray based imaging techniques such as CT scans.
  • CT (Computed Tomography): A medical imaging technique that uses X-rays and computer processing to create detailed cross-sectional images of the body.
  • Angiography: An imaging technique used to visualize the inside of blood vessels and organs of the body, with a particular interest in the arteries, veins, and heart chambers.
  • Contrast-Induced Nephropathy (CIN): A form of kidney damage that can occur after the use of certain contrast dyes in imaging procedures, particularly in patients with pre-existing kidney problems.
  • Glomerular Filtration Rate (GFR): A measure of how well the kidneys are filtering waste from the blood, often used to assess kidney function before and after contrast agent administration.
  • Hypersensitivity Reaction: An exaggerated or inappropriate immune response to a substance, which in the context of contrast agents can range from mild (e.g., itching, rash) to severe (e.g., anaphylaxis).
  • Percutaneous Coronary Intervention (PCI): A non-surgical procedure used to treat narrowing of the coronary arteries of the heart, often involving the use of contrast agents for visualization.
  • RECIST Criteria: Response Evaluation Criteria in Solid Tumors, a set of rules used to assess how well a cancer patient responds to treatment based on the size of tumors seen on imaging.
  • Iso-osmolar: Having the same osmotic pressure as blood, a characteristic of some contrast agents that may affect their safety profile.

References

  1. https://clinicaltrials.gov/study/NCT01580046
  2. https://clinicaltrials.gov/study/NCT00244140
  3. https://clinicaltrials.gov/study/NCT03179592
  4. https://clinicaltrials.gov/study/NCT00827788
  5. https://clinicaltrials.gov/study/NCT00876083
  6. https://clinicaltrials.gov/study/NCT02840903
  7. https://clinicaltrials.gov/study/NCT03622801
  8. https://clinicaltrials.gov/study/NCT00926562
  9. https://clinicaltrials.gov/study/NCT04605471