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Effectiveness of zinc acetate hydrate supplementation in chronic kidney disease patients

Effectiveness of zinc acetate hydrate supplementation for kidney outcomes in chronic kidney disease patients with hypozincemia - ZAK-CKD Study

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-jRCTs061210030
Enrollment
200
Registered
2021-08-27
Start date
2022-01-07
Completion date
Unknown
Last updated
2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

chronic kidney disease

Interventions

Randomize patients with CKD and hypozincemia who are not receiving renal replacement therapy to the Nobelzin group or the control group

Sponsors

Itano Seiji
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1) 20 years or older 2) Patient whose most recent clinical tests performed within 12 weeks prior to enrollment meet all of the following criteria eGFR less than 60 ml/min/1.73 m2 serum zinc level less than 60 micro g/dl 3) Patient who provide written informed consent

Exclusion criteria

Exclusion criteria: 1) Patient with a serum copper concentration of less than 60 micro g/dl on the most recent laboratory tests performed within 12 weeks prior to enrollment 2) Patient who continuously receives hemodialysis and peritoneal dialysis 3) Patient with kidney transplantation 4) Patient with active cancer, and receiving antineoplastic agent 5) Patient with a history of upper gastrointestinal resection 6) Patient with a history of allergy or anaphylaxis of the Zinc-containing preparation 7) Patient who receives the Zinc-containing preparation or the Zinc-containing supplement within 4 weeks prior to enrollment 8) Patient who are pregnant or breastfeeding 9) Patient deemed ineligible for the study by the principal investigator or sub-investigator

Design outcomes

Primary

MeasureTime frame
Composite endpoint of renal replacement therapy (hemodialysis [HF, HDF, HD] or PD, or kidney transplantation), eGFR 40% or more decline from baseline ,doubling of serum Cr or death from any cause

Secondary

MeasureTime frame
1) Changes from baseline clinical laboratory values (Zn/Cu/eGFR/Alb/Hb/urine protein/urine albumin) at each study visit 2) The composite of initiation of hemodialysis or peritoneal dialysis 3) Kidney transplantation 4) 40% reduction of eGFR at each study visit 5) Doubling of serum creatinine 6) Death from cardiovascular causes, infectious causes, and other cause 7) Changes in dosage of ESA 8) Changes in symptoms of hypozincemia 9) Subgroup analysis according to characteristics of patients at baseline

Contacts

Public ContactSeiji Itano

Kawasaki Medical School Hospital

s.itano@med.kawasaki-m.ac.jp+81-86-462-1111

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026