Can a simple drug make donated kidneys start working faster?
NCT ID NCT03646344
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tested whether the drug heme arginate can help transplanted kidneys work right away, instead of being slow to start. It included 47 adults receiving a kidney from a deceased donor. Participants got either the drug or a salt water solution at transplant and 24 hours later. The goal was to see if the drug reduces the need for dialysis and improves early kidney function.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 3
Large-scale testing in a bigger group. Usually the last step before a treatment can be approved.
- Participants
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47 people
The number who actually took part.
- Started
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Mar 2019
- Finished
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Feb 2021
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Patients undergoing a kidney only transplant, or a dual kidney transplant, from a deceased donor * At least 18 years of age, no upper limit * Receiving standard immunosuppression for the individual centre * (where applicable) Meets co-enrolment criteria outlined in section 4.4 of the protocol Exclusion Criteria: * Kidney transplant patients as part of a multi-organ transplant e.g. with pancreas or liver * Known hypersensitivity to heme arginate * Unable to give informed consent * Patients with porphyria, irrespective of whether they have received heme arginate or not, will be excluded * Previous randomisation into this study (or HOT study) * Women who are pregnant or lactating * Kidneys that have undergone Ex-vivo Normothermic Perfusion (EVNP) * Patients with known liver disease, epilepsy, brain injury or disease
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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Edinburgh Clinical Trials Unit, Usher Institute, University of Edinburgh
Edinburgh, EH16 4UX, United Kingdom
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NHS Lothian - Royal Infirmary of Edinburgh
Edinburgh, Lothian, EH16 4SA, United Kingdom
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