Wo2015134998a1 human plasma kallikrein inhibitors berotralstat google patents?

Short answer: Yes. WO2015134998 A1 is a patent application titled “Human plasma kallikrein inhibitors.” It relates to small-molecule inhibitors of human plasma kallikrein and includes berotralstat (a known oral plasma kallikrein inhibitor) as an example. The document is part of BioCryst’s/related assignees’ patent family covering prophylaxis/treatment of hereditary angioedema and related conditions.

Where to view it:
- Google Patents entry: https://patents.google.com/patent/WO2015134998A1/en
- You can also see the family members (US/EP/etc.) and the status from Google Patents’ “Patent family” and “Legal events” sections.

What you’ll typically find in such a patent:
- Disclosed inhibitors of human plasma kallikrein, including specific small-molecule scaffolds and their salts/solvates.
- Examples that include berotralstat as a representative compound.
- Methods of using these inhibitors to treat or prevent hereditary angioedema and related conditions.
- Descriptions of pharmaceutical compositions, dosing considerations, and potential formulations.

If you’d like, I can:
- Pull out the exact Claim 1 language or summarize the main claims.
- Highlight the key chemical scaffolds and representative examples.
- Check the current legal status and relate it to berotralstat’s approved product (Orladeyo) and its patent landscape.