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One Injection Instead of Daily Hair-Loss Medication? Does CKD-843 Really Work?

다나성형외과 모발이식 · 다나성형외과 공식 블로그 · July 29, 2026

Hello! We are Dana Plastic Surgery, a hospital specializing in hair transplantation surgery! ​ Hair-loss medication that you have to remember to take every day— Have you often forg...

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This page is an English translation of a Korean Naver Blog archive entry. For exact wording and source context, verify against the Korean archive original and the original Naver post.

Clinic: 다나성형외과 모발이식

Original post date: July 29, 2026

Translated at: August 17, 2026 at 2:17 PM

Medical note: This translation does not guarantee medical accuracy or suitability for treatment decisions.

Hello!

We are Dana Plastic Surgery, a hospital specializing in hair transplantation surgery!

Hair-loss medication that you have to remember to take every day—

Have you often forgotten and skipped a dose?

It is not as easy as it seems to take hair-loss medication diligently every day.

That is why interest has recently been growing in the long-acting hair-loss injection CKD-843, which is said to maintain its effects with just one injection every three months instead of taking this hair-loss medication.

Today, we will summarize the features, advantages, and disadvantages of CKD-843, as well as who might find this treatment method suitable!

What kind of medication is CKD-843?

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CKD-843 is an injectable form of dutasteride currently being developed by Chong Kun Dang (CKD), a pharmaceutical company in South Korea.

Rather than being a completely new active ingredient, it can be viewed as changing the familiar hair-loss medication ingredient, Avodart (dutasteride), from an oral tablet into an intramuscular injection administered in the buttocks.

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Avodart (dutasteride) currently has to be taken as one tablet every day, whereas CKD-843 is administered as an injection in the buttocks once every three months.

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It is currently undergoing a Phase 3 clinical study, and there may be changes when it is actually launched.

Based on the information available so far, however, it should be viewed as a strategy involving one intramuscular injection every three months to address the burden of taking medication and the problem of discontinuing medication.

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Whether this injection is more effective than oral medication, how long its effects last, and what side effects it may have will only be known after reviewing the Phase 3 data.

Key points to watch for with CKD-843

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First, preservation of efficacy compared with oral medication

If it is less effective than existing oral medication, its appeal as an injectable treatment will decrease.

The key question is whether it can maintain the same level of efficacy as the medication currently taken orally.

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Second, consistent efficacy over three months

Its effects should remain consistent for three months after the injection is administered.

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Third, side effects and stability of blood concentrations

With oral medication, it is possible to stop taking it immediately if side effects occur. However, because an injectable medication remains in the body, it must be safe without early side effects or excessive drug levels persisting in the body.

CKD-843 is expected to become a very useful alternative for people who have difficulty remembering to take medication every day!

However, the exact dosing interval and detailed figures at the time of final commercialization and launch will be determined through the data from the Phase 3 clinical trial results.

Please continue to follow the clinical updates on CKD-843, which could become a new option for hair-loss treatment!

https://www.youtube.com/watch?v=Gn9yNRL2qYI&t=19s

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