5-Flurouracil 5-FU Toxicity and Chemotherapeutic Response DPYD variants Test
Test Name: 5-Flurouracil 5-FU Toxicity and Chemotherapeutic Response DPYD variants Test
Components: EDTA Vacutainer (2ml)
Price: 1260.0 AED
Sample Condition: Peripheral blood
Report Delivery: 3-4 days
Method: Sanger Sequencing
Test type: Genetics
Doctor: Gynecologist
Test Department:
Pre Test Information: 5-Flurouracil (5-FU) Toxicity and Chemotherapeutic Response (DPYD variants) can be done with a Doctors prescription. Prescription is not applicable for surgery and pregnancy cases or people planning to travel abroad.
Test Details:
5-Fluorouracil (5-FU) is a commonly used chemotherapeutic agent for the treatment of various cancers, including colorectal, breast, and head and neck cancers. However, some individuals may experience toxicity when treated with 5-FU, leading to adverse effects and potentially life-threatening complications.
One of the factors that contribute to 5-FU toxicity is the presence of genetic variants in the dihydropyrimidine dehydrogenase (DPYD) gene. DPYD is responsible for the metabolism of 5-FU, converting it into an inactive form. Variants in the DPYD gene can lead to reduced or absent enzyme activity, resulting in decreased metabolism of 5-FU and increased drug exposure.
Patients with DPYD variants are at a higher risk of developing severe toxicity when treated with 5-FU. The most common toxicities observed include severe myelosuppression (bone marrow suppression), gastrointestinal toxicity (such as severe diarrhea and mucositis), and hand-foot syndrome (painful redness, swelling, and peeling of the skin on the palms of the hands and soles of the feet).
Identifying DPYD variants in patients before initiating 5-FU treatment can help to personalize chemotherapy dosing and reduce the risk of toxicity. Genetic testing can be done to detect DPYD variants, and if a patient is found to have a variant associated with increased risk, alternative treatment options or dose adjustments can be considered.
In addition to genetic factors, other factors such as age, kidney function, and concomitant medications can also influence the risk of 5-FU toxicity. Therefore, a comprehensive assessment of these factors is necessary to optimize treatment and minimize adverse effects.
It is important to note that not all patients with DPYD variants will experience severe toxicity, and some may tolerate standard doses of 5-FU without complications. Therefore, individualized treatment decisions should be made based on the patient’s overall health status, treatment goals, and potential benefits versus risks.
In conclusion, DPYD variants play a significant role in 5-FU toxicity, and identifying these variants can help personalize chemotherapy dosing and reduce the risk of severe adverse effects. Genetic testing and a comprehensive assessment of other risk factors are necessary to optimize treatment and improve patient outcomes.
Test Name | 5-Flurouracil 5-FU Toxicity and Chemotherapeutic Response DPYD variants Test |
---|---|
Components | EDTA Vacutainer (2ml) |
Price | 1260.0 AED |
Sample Condition | Peripheral blood |
Report Delivery | 3-4 days |
Method | Sanger Sequencing |
Test type | Genetics |
Doctor | Gynecologist |
Test Department: | |
Pre Test Information | 5-Flurouracil (5-FU) Toxicity and Chemotherapeutic Response (DPYD variants) can be done with a Doctors prescription. Prescription is not applicable for surgery and pregnancy cases or people planing to travel abroad. |
Test Details |
5-Fluorouracil (5-FU) is a commonly used chemotherapeutic agent for the treatment of various cancers, including colorectal, breast, and head and neck cancers. However, some individuals may experience toxicity when treated with 5-FU, leading to adverse effects and potentially life-threatening complications. One of the factors that contribute to 5-FU toxicity is the presence of genetic variants in the dihydropyrimidine dehydrogenase (DPYD) gene. DPYD is responsible for the metabolism of 5-FU, converting it into an inactive form. Variants in the DPYD gene can lead to reduced or absent enzyme activity, resulting in decreased metabolism of 5-FU and increased drug exposure. Patients with DPYD variants are at a higher risk of developing severe toxicity when treated with 5-FU. The most common toxicities observed include severe myelosuppression (bone marrow suppression), gastrointestinal toxicity (such as severe diarrhea and mucositis), and hand-foot syndrome (painful redness, swelling, and peeling of the skin on the palms of the hands and soles of the feet). Identifying DPYD variants in patients before initiating 5-FU treatment can help to personalize chemotherapy dosing and reduce the risk of toxicity. Genetic testing can be done to detect DPYD variants, and if a patient is found to have a variant associated with increased risk, alternative treatment options or dose adjustments can be considered. In addition to genetic factors, other factors such as age, kidney function, and concomitant medications can also influence the risk of 5-FU toxicity. Therefore, a comprehensive assessment of these factors is necessary to optimize treatment and minimize adverse effects. It is important to note that not all patients with DPYD variants will experience severe toxicity, and some may tolerate standard doses of 5-FU without complications. Therefore, individualized treatment decisions should be made based on the patient’s overall health status, treatment goals, and potential benefits versus risks. In conclusion, DPYD variants play a significant role in 5-FU toxicity, and identifying these variants can help personalize chemotherapy dosing and reduce the risk of severe adverse effects. Genetic testing and a comprehensive assessment of other risk factors are necessary to optimize treatment and improve patient outcomes. |