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One patient gets experimental enzyme to fight rare kidney disease

NCT ID NCT04737720

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed This study
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 24, 2026 · Last updated Sep 17, 2026 · Updated 11 times

Summary

This study tested an artificial version of the LCAT enzyme (ACP-501) in one person with familial LCAT deficiency, a rare genetic condition that leads to low 'good' cholesterol and kidney failure. The participant received several infusions of the drug over weeks, with regular blood tests to see if it raised HDL cholesterol and improved kidney function. The goal was to see if replacing the missing enzyme could reverse or prevent the disease's worst effects.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
ACP-501 (recombinant human LCAT enzyme)
What this could lead to
If it works, this could point toward a treatment for familial LCAT deficiency, potentially preventing or reversing kidney problems.
What could go wrong
This is a single-person study with no control group, so results may not apply to others. The treatment is still experimental and may not improve kidney function or have unknown side effects.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Participants

1 person

The number who actually took part.

Started

Jan 2013

Lead sponsor

A government research agency

The lead sponsor is the US National Institutes of Health.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Who is studied

Single patient

Ages

18 to 100 years

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

* INCLUSION CRITERIA: Subject must meet all of the following inclusion criteria to be eligible for enrollment into the study: * Greater than or equal to 18 years at screening; * Confirmed FLD diagnosis through genotype confirmation of a LCAT mutation, as documented at screening or from previous testing; * History of HDL-C \< 15 mg/dL over the past year; * Serum creatinine \> 3 mg/dL; * Increasing renal dysfunction resulting in ESRD; * Chronic concomitant medications must be stable for at least 2 weeks prior to screening (for example, lipid-altering drugs and/or ACE-inhibitors used for the treatment of FLD). * Subject is willing and able to comply with scheduled study visits and is able to tolerate study procedures, including weekly to bi-weekly infusions over 1 year. * Subject must be able to provide a personally-signed and dated informed consent document indicating that the subject has been informed of all pertinent aspects of the study. * Subject may be currently on dialysis or require dialysis during the study EXCLUSION CRITERIA: Subject will not be included in the study if he presents with any of the following: * History of febrile illness within 5 days prior to dosing; * Active non-basal cell cutaneous malignancy requiring surgery, chemotherapy, and/or radiation in the past 12 months. NOTE: Subjects with localized prostate cancer under a watchful-waiting treatment plan without evidence of disease progression in the past year may participate in the study if approved by the investigator and sponsor or designee. NOTE: Subjects diagnosed with basal cell carcinoma of the skin within the past 12 months must receive adequate treatment for their basal cell skin carcinoma prior to randomization. * Current documented drug or alcohol abuse that would interfere with the subject s compliance with study procedures; * Treatment with an investigational drug within 28 days prior to dosing. * Known hypersensitivity to heparin or IV infusion equipment, plastics, adhesive or silicone or known history of hypotension or infusion site reactions with IV administration. * Other severe acute or chronic medical or psychiatric condition or laboratory abnormality that may increase the risk associated with trial participation or investigational product administration or may interfere with the interpretation of trial results and, in the judgment of the investigator, would make the subject inappropriate for entry into this trial or compromise the subject s ability to continue with the procedures of the trial.

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Conditions

The condition(s) this trial relates to.

Lecithin Cholesterol Acyltransferase Deficiency Norum disease

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Contacts and locations

Locations

  • National Institutes of Health Clinical Center

    Bethesda, Maryland, 20892, United States