Vitamin K1 (Phylloquinone) trials recruiting now

1 registration that name vitamin K1 as a study arm and are recruiting or about to, as ClinicalTrials.gov listed them on Oct 20, 2026. Read each listing for its full criteria and current status.

Kymata never assesses eligibility. Each listing names its own criteria; only its study team can say whether someone can join. Trial doses are given under the trial's monitoring and are not a schedule for anyone outside it.

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Status

All 1 registrations

RecruitingNCT05018221

Better Evidence and Translation for Calciphylaxis

  • Phase 3
  • University of Sydney
  • About 350 people
  • Started Aug 26, 2021

In plain words A Phase 3 study of vitamin K1 in people 18 and older, run by University of Sydney. It plans to enroll about 350 people at 21 sites, none in the US.

Who it lists and where

Who the trial lists, as registered

Lists people 18 and older. Conditions: Calciphylaxis.

  • Currently receiving haemodialysis, or peritoneal dialysis that can be converted to haemodialysis, with planned ongoing haemodialysis a minimum of three times per week for at least the duration of the protocolised calciphylaxis treatments…
  • Have a new calciphylaxis ulcer present for less than 10 weeks
  • Age ≥ 18 years
  • Eligible for randomisation in at least one recruiting domain

1 more inclusion criterion and the exclusion criteria are on the listing.

What it tests, as registered

Vitamin K1; Magnesium citrate; Sodium Thiosulfate; High Flux Dialyser; Medium Cut-off Dialyser; Placebo injection (normal saline); Placebo capsule (Vitamin K1); Placebo tablet (Magnesium citrate)

Registered summary

This global platform study will evaluate multiple interventions, across several domains of therapeutic care, in adult patients with kidney failure and newly diagnosed calciphylaxis.

Where, as registered

No US site; Australia (16), New Zealand (5).

ClinicalTrials.gov lists 62 open registrations for this search, including ones where vitamin K1 is not a study arm or that are past the 1 we keep. Search them on ClinicalTrials.gov (opens in new tab).

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