chemistry

Iguratimod

Iguratimod is a chemistry topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Iguratimod rather than just read about it. In short: Iguratimod is an anti-inflammatory small molecule drug used for the treatment of rheumatoid arthritis, together with methotrexate in Japan and China. As of 2015, the biological target was not known, but it prevents NF-κB activation and subsequently selectively inhibits COX-2 and several inflammatory cytokines.

Key takeaways

Iguratimod belongs to chemistry; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Iguratimod to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Iguratimod from memory before moving on to harder problems.

Reference excerpt

Iguratimod is an anti-inflammatory small molecule drug used for the treatment of rheumatoid arthritis, together with methotrexate in Japan and China. As of 2015, the biological target was not known, but it prevents NF-κB activation and subsequently selectively inhibits COX-2 and several inflammatory cytokines. Adverse effects include elevated transaminases, nausea, vomiting, stomach pain, rashes, and itchiness. It is a derivative of 7-methanesulfonylamino-6-phenoxychromone and is a chromone with two amide groups; it was first reported in 2000. It was submitted for regulatory approval in Japan in 2003; the application was withdrawn in 2009, and it was resubmitted with additional data in 2011 and approved for marketing in Japan in 2012. Eisai and Toyama Chemical market it in Japan. Approval was obtained in China in 2011 by Simcere, independently of the Japanese originators. During discovery and development it was called T-614 and it is marketed under the names Careram and Kolbet.

References

Illustrations

Worked examples

Example 1 — a first encounter with Iguratimod

Start with the simplest possible case. Write down what Iguratimod claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In chemistry, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Iguratimod before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Iguratimod ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Iguratimod

In research: Iguratimod appears in chemistry research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Iguratimod in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Iguratimod is common in secondary-school and first-year university syllabi. It links to neighbouring topics Anti-inflammatory and antirheumatic products, Chromones, Drugs not assigned an ATC code, so understanding it makes those chapters shorter.
In everyday life: Look for Iguratimod outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study Iguratimod in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Iguratimod means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Iguratimod out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Iguratimod in simple terms?

Why does Iguratimod matter?

Because it connects several chemistry ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Iguratimod?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Iguratimod.