About this trial
This global platform study will evaluate multiple interventions, across several domains of therapeutic care, in adult patients with kidney failure and newly diagnosed calciphylaxis.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
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 within this trial
Have a new calciphylaxis ulcer present for less than 10 weeks
Age ≥ 18 years
Eligible for randomisation in at least one recruiting domain
Disqualifiers
None
Trial design
Sequential
Treatments tested in this trial
Vitamin K1
DrugVitamin K1 capsule (10mg) to be administered 3 times per week following the subject's hemodialysis session.
Magnesium citrate
DrugMagnesium Citrate tablet (150mg) to be administered 3 times per per day. On dialysis days, administration of the middle daily dose should occur following the subject's hemodialysis session.
Sodium Thiosulfate
DrugSodium Thiosulfate injection (25g/100ml) to be administered intravenously 3 times per week, during the subject's last hour of hemodialysis.
High Flux Dialyser
DeviceHemodialysis using a high flux dialyser.
Medium Cut-off Dialyser
DeviceHemodialysis using a medium cut-off dialyser.
Placebo injection (normal saline)
DrugPlacebo to be administered intravenously 3 times per week, during the subject's last hour of hemodialysis.
Placebo capsule (Vitamin K1)
DrugPlacebo to be administered 3 times per week following the subject's hemodialysis session.
Placebo tablet (Magnesium citrate)
DrugPlacebo to be administered 3 times per day. On dialysis days, administration of the middle daily dose should occur following the subject's hemodialysis session.
Treatment groups
6
Treatment groupsSee each treatment group below.
Trial outcomes
Primary outcomes
BEAT-Calci Wound Assessment Scale (BCWAS) - Baseline to Week 12
To determine whether addition of the intervention changes the sentinel ulcer from Baseline to Week 12 on the BEAT-Calci Wound Assessment Scale. This is an 8-point ordinal categorical scale of change since baseline, which will be used to determine each participant's outcome. The scale is described as: 1. Complete epithelialisation of the sentinel ulcer 2. \>50% reduction in sentinel ulcer surface area 3. 20-50% reduction in sentinel ulcer surface area 4. 0-20% reduction in sentinel ulcer surface area 5. Any increase in sentinel ulcer surface area 6. Development of new ulcers 7. Amputation due to an ulcer 8. All-cause death
Secondary outcomes
BEAT-Calci Wound Assessment Scale - Baseline to Week 26
To determine whether addition of the intervention changes the sentinel ulcer from Baseline to Week 26 on the BEAT-Calci Wound Assessment Scale. This is an 8-point ordinal categorical scale of change since baseline, which will be used to determine each participant's outcome. The scale is described as: 1. Complete epithelialisation of the sentinel ulcer 2. \>50% reduction in sentinel ulcer surface area 3. 20-50% reduction in sentinel ulcer surface area 4. 0-20% reduction in sentinel ulcer surface area 5. Any increase in sentinel ulcer surface area 6. Development of new ulcers 7. Amputation due to an ulcer 8. All-cause death
Distribution of each of the individual components of the BCWAS, assessed at Weeks 4
To determine whether addition of the intervention changes the distribution of each of the individual components of the BEAT-Calci Wound Assessment Scale, assessed at Weeks 4 Scale described as: 1. Complete epithelialisation of the sentinel ulcer 2. \>50% reduction in sentinel ulcer surface area 3. 20-50% reduction in sentinel ulcer surface area 4. 0-20% reduction in sentinel ulcer surface area 5. Any increase in sentinel ulcer surface area 6. Development of new ulcers 7. Amputation due to an ulcer 8. All-cause death
Distribution of each of the individual components of the BCWAS, assessed at Week 12
To determine whether addition of the intervention changes the distribution of each of the individual components of the BEAT-Calci Wound Assessment Scale, assessed at Week 12 Scale described as: 1. Complete epithelialisation of the sentinel ulcer 2. \>50% reduction in sentinel ulcer surface area 3. 20-50% reduction in sentinel ulcer surface area 4. 0-20% reduction in sentinel ulcer surface area 5. Any increase in sentinel ulcer surface area 6. Development of new ulcers 7. Amputation due to an ulcer 8. All-cause death
Distribution of each of the individual components of the BCWAS, assessed at Week 26
To determine whether addition of the intervention changes the distribution of each of the individual components of the BEAT-Calci Wound Assessment Scale, assessed at Week 26. Scale described as: 1. Complete epithelialisation of the sentinel ulcer 2. \>50% reduction in sentinel ulcer surface area 3. 20-50% reduction in sentinel ulcer surface area 4. 0-20% reduction in sentinel ulcer surface area 5. Any increase in sentinel ulcer surface area 6. Development of new ulcers 7. Amputation due to an ulcer 8. All-cause death
Sponsors and contacts
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University of Sydney
Lead sponsor
Australasian Kidney Trials Network
Collaborator
Northern Care Alliance NHS Foundation Trust
Collaborator
Waitemata District Health Board
Collaborator
Vantive Health LLC
Collaborator
Berry Consultants
Collaborator