New oral pill HPP737 aims to clear psoriasis in phase II trial

NCT ID NCT07707141

First seen Jul 16, 2026 · Last updated Jul 17, 2026 · Updated 1 time

Summary

This trial tests whether an oral drug called HPP737 can safely improve moderate-to-severe plaque psoriasis in adults. Participants take either HPP737 or a placebo daily for 85 days. Researchers measure skin improvement using standard scoring tools and track any side effects. The study aims to see if HPP737 helps achieve at least a 75% reduction in psoriasis severity.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance
an oral drug called HPP737 (also known as Prifemilast)
What this could lead to
If successful, this could offer a new oral treatment option for people with moderate-to-severe plaque psoriasis, potentially reducing skin symptoms.
What could go wrong
This is an early Phase II trial with a small number of participants, so results may not confirm effectiveness or safety. The drug may cause side effects or fail to outperform placebo.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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Conditions

The condition(s) this trial relates to.

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Contacts and locations

Locations

  • Beijing Friendship Hospital, Capital Medical University

    Beijing, China

  • Beijing Tsinghua Changgung Hospital

    Beijing, China

  • Hong Kong University Shenzhen Hospital

    Shenzhen, China

  • Hospital of Dermatology, Chinese Academy of Medical Sciences

    Nanjing, China

  • Lianyungang First People's Hospital

    Lianyungang, China

  • Shandong Provincial Hospital of Dermatology

    Jinan, China

  • Sir Run Run Shaw Hospital, Zhejiang University School of Medicine

    Hangzhou, China

  • Wuxi Second People's Hospital

    Wuxi, China

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