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NCT03712228 · ClinicalTrials.gov registry record · Phase 2

A Study to Investigate CSL312 in Subjects With Hereditary Angioedema (HAE)

A Phase 2 study, sponsored by CSL Behring.

Completed
Registry status
Phase 2
Development phase
44
Enrollment target

NCT03712228: Completed Phase 2 study, sponsored by CSL Behring.

NCT03712228 is a Phase 2 study that has completed, run by CSL Behring. The registered enrollment target is 44 participants, below the 133-participant average among 30,622 other Phase 2 trials with a reported enrollment target (67% lower). According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT03712228, a Phase 2 study, has completed, sponsored by CSL Behring.

COMPLETED
Registry status
Phase 2
Development phase
44 participants
Enrollment target

Study Summary

This is a multicenter, randomized, placebo-controlled, parallel-arm, phase 2 study to investigate the clinical efficacy, pharmacokinetics, and safety of CSL312 as prophylaxis to prevent attacks in subjects with HAE.

Primary Outcome

The time-normalized number of HAE attacks per month during Treatment Period 1 for a subject was calculated as the (number of HAE attacks / length of subject's evaluation period in days) \* 30.4375

Interventions

  • DRUG Placebo
  • BIOLOGICAL Factor XIIa antagonist monoclonal antibody

Trial Details

FieldValue
Enrollment Target 44 participants
Start Date 2018-10-29
Est. Completion 2021-10-15
Phase Phase 2
CSL Behring

71 total trials

What the finished NCT03712228 record still lists

NCT03712228 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 44 participants, a relatively small participant target, below the 133-participant average among 30,622 other Phase 2 trials with a reported enrollment target (67% lower).

The record links to 0 conditions, and to 2 interventions - of which Placebo is the first listed.

NCT03712228 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT03712228 about?

NCT03712228 is a clinical study titled "A Study to Investigate CSL312 in Subjects With Hereditary Angioedema (HAE)". This is a multicenter, randomized, placebo-controlled, parallel-arm, phase 2 study to investigate the clinical efficacy, pharmacokinetics, and safety of CSL312 as prophylaxis to prevent attacks in subjects with HAE.

What is the current status of trial NCT03712228?

This trial is currently completed. It is a Phase 2 study. The enrollment target is 44 participants. The study started on 2018-10-29. Estimated completion is 2021-10-15.

What interventions are being tested in trial NCT03712228?

The interventions under investigation include: Placebo (DRUG), Factor XIIa antagonist monoclonal antibody (BIOLOGICAL).

Who is sponsoring clinical trial NCT03712228?

This trial is sponsored by CSL Behring, which has 71 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT03712228's enrollment target sits among peer trials

44 1322nd of 2000 higher than 669 of 2,000 other Phase 2 trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other Phase 2 trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source ClinicalTrials.gov registry export · 2026-08-08

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Source: ClinicalTrials.gov NCT03712228, the US trial registry maintained by the National Library of Medicine. NCT03712228 (small enrollment · none site footprint · completed) retrieved and formatted by PlainTrial, see methodology.