How to Pronounce Irinotecan
Definition, meaning, and phonetic spelling
Irinotecan Pronunciation
ih-rin-oh-TEE-kan
Stressed syllable in ALL CAPS · hyphens separate syllables
Syllable Breakdown
ih
rin
oh
TEE
stress here
kan
5 syllables
What is Irinotecan?
Irinotecan is used alone or in combination with other medications to treat colon or rectal cancer (cancer that begins in the large intestine). Irinotecan is in a class of antineoplastic medications called topoisomerase I inhibitors. It works by stopping the growth of cancer cells.
Definition sourced from MedlinePlus, National Library of Medicine
Questions About Irinotecan
How do you pronounce irinotecan?
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Irinotecan is pronounced ih-rin-oh-TEE-kan. Break it into four syllables: ih-rin-oh-TEE-kan, with the stress on the third syllable (TEE). Say it like you're saying "ear" at the start, then "in," then "oh," and finish with "TEE-can."
Which syllable do you stress when saying irinotecan?
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The stress falls on the third syllable: TEE. So it's ih-rin-oh-TEE-kan, not ih-RIN-oh-te-kan or ih-rin-OH-te-kan. Putting the stress on TEE is the key to saying it correctly.
What is a common mispronunciation of irinotecan?
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People often stress the second syllable by accident, saying ih-RIN-oh-te-kan. Another common mistake is rushing through the middle and saying it like "irinot-can" without clear syllable breaks. Slow down and pronounce each of the four syllables clearly, with stress on TEE.
How do you break irinotecan into syllables?
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Irinotecan has four syllables: ih / rin / oh / TEE-kan. You can also think of it as ih / ri / no / te / can (five syllables), but the standard medical pronunciation groups the last two together as one: TEE-kan.
Can you use irinotecan in a sentence?
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Sure! Here's an example: "The patient's chart noted that irinotecan was prescribed as part of the treatment plan." You might also hear it in a hospital setting: "Make sure you pronounce irinotecan correctly when discussing the medication with the pharmacy."
What is the abbreviation for irinotecan?
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Irinotecan is often abbreviated as CPT-11 in medical settings. CPT-11 is pronounced "C-P-T-eleven" and refers to the same medication, so you may hear either the full name or the abbreviation used by healthcare workers.
Is irinotecan hard to pronounce?
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It can feel tricky at first because it has four syllables and a stress pattern that isn't always obvious. The key is to say each syllable clearly—ih-rin-oh-TEE-kan—and remember that the stress lands on TEE, not the beginning. Once you practice it a few times, it becomes much easier.

