deltatrials
Completed PHASE2 INTERVENTIONAL 3-arm NCT04208412

A Phase II, Cross-over Clinical Trial Evaluating the Efficacy and Safety of KVD900 (Sebetralstat) in the On-demand Treatment of Angioedema Attacks in Adult Subjects With Hereditary Angioedema Type I or II

A Randomized, Double-blind, Placebo-controlled, Phase II, Cross-over Clinical Trial Evaluating the Efficacy and Safety of KVD900, an Oral Plasma Kallikrein Inhibitor, in the On-demand Treatment of Angioedema Attacks in Adult Subjects With Hereditary Angioedema Type I or II

Sponsor: KalVista Pharmaceuticals, Ltd.

Interventions KVD900 Placebo
Updated 14 times since 2020 Last updated: Apr 25, 2025 Started: Jul 2, 2019 Primary completion: Dec 8, 2020 Completion: Dec 8, 2020
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

This PHASE2 trial investigates Hereditary Angioedema and is currently completed. KalVista Pharmaceuticals, Ltd. leads this study, which shows 14 recorded versions since 2019 — indicating substantial longitudinal coverage. The change history captured here reflects the iterative nature of clinical trial conduct.

Status Flow

~Jan 2020 – ~Feb 2020 · 31 days · monthly snapshot~Feb 2020 – ~Mar 2020 · 29 days · monthly snapshot~Mar 2020 – ~May 2020 · 2 months · monthly snapshot~May 2020 – ~Jul 2020 · 2 months · monthly snapshot~Jul 2020 – ~Sep 2020 · 2 months · monthly snapshot~Sep 2020 – ~Nov 2020 · 2 months · monthly snapshot~Nov 2020 – ~Jan 2021 · 2 months · monthly snapshot~Jan 2021 – ~Feb 2021 · 31 days · monthly snapshot~Feb 2021 – ~Mar 2023 · 25 months · monthly snapshot~Mar 2023 – ~Jul 2024 · 16 months · monthly snapshot~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshot~Sep 2024 – ~Jun 2025 · 9 months · monthly snapshot~Jun 2025 – ~Sep 2025 · 3 months · monthly snapshot~Sep 2025 – present · 10 months · monthly snapshot

Change History

14 versions recorded
  1. Sep 2025 — Present [monthly]

    Completed PHASE2

  2. Jun 2025 — Sep 2025 [monthly]

    Completed PHASE2

  3. Sep 2024 — Jun 2025 [monthly]

    Completed PHASE2

  4. Jul 2024 — Sep 2024 [monthly]

    Completed PHASE2

  5. Mar 2023 — Jul 2024 [monthly]

    Completed PHASE2

Show 9 earlier versions
  1. Feb 2021 — Mar 2023 [monthly]

    Completed PHASE2

    Status: Active Not RecruitingCompleted

  2. Jan 2021 — Feb 2021 [monthly]

    Active Not Recruiting PHASE2

  3. Nov 2020 — Jan 2021 [monthly]

    Active Not Recruiting PHASE2

    Status: RecruitingActive Not Recruiting

  4. Sep 2020 — Nov 2020 [monthly]

    Recruiting PHASE2

  5. Jul 2020 — Sep 2020 [monthly]

    Recruiting PHASE2

  6. May 2020 — Jul 2020 [monthly]

    Recruiting PHASE2

  7. Mar 2020 — May 2020 [monthly]

    Recruiting PHASE2

  8. Feb 2020 — Mar 2020 [monthly]

    Recruiting PHASE2

  9. Jan 2020 — Feb 2020 [monthly]

    Recruiting PHASE2

    First recorded

Jul 2019

Trial started

Per CT.gov start date — pre-dates our first snapshot

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • KalVista Pharmaceuticals, Ltd.
Data source: KalVista Pharmaceuticals, Ltd.

For direct contact, visit the study record on ClinicalTrials.gov .