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NCT04072861 · ClinicalTrials.gov registry record · Phase 1

A Study of RBT-9 in Healthy Volunteers and Volunteers With Stage 3/4 Chronic Kidney Disease

A Phase 1 study, sponsored by Renibus Therapeutics.

Completed
Registry status
Phase 1
Development phase
42
Enrollment target

NCT04072861: Completed Phase 1 study, sponsored by Renibus Therapeutics.

NCT04072861 is a Phase 1 study that has completed, run by Renibus Therapeutics. The registered enrollment target is 42 participants, below the 60-participant average among 29,502 other Phase 1 trials with a reported enrollment target (30% lower). According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT04072861, a Phase 1 study, has completed, sponsored by Renibus Therapeutics.

COMPLETED
Registry status
Phase 1
Development phase
42 participants
Enrollment target

Study Summary

This is a Phase 1b, single-center, dose-escalating study to evaluate the safety, tolerability, pharmacokinetics, and pharmacodynamic effect of RBT-9 in healthy volunteers and in subjects with Stage 3/4 CKD.

Primary Outcome

Percent Change in Plasma Ferritin From Baseline to 24 hours

Interventions

  • DRUG RBT-9

Trial Details

FieldValue
Enrollment Target 42 participants
Start Date 2019-03-31
Est. Completion 2020-10-31
Phase Phase 1
Renibus Therapeutics

9 total trials

What the finished NCT04072861 record still lists

NCT04072861 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 42 participants, a relatively small participant target, below the 60-participant average among 29,502 other Phase 1 trials with a reported enrollment target (30% lower).

The record links to 0 conditions, and to 1 intervention - of which RBT-9 is the first listed.

NCT04072861 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT04072861 about?

NCT04072861 is a clinical study titled "A Study of RBT-9 in Healthy Volunteers and Volunteers With Stage 3/4 Chronic Kidney Disease". This is a Phase 1b, single-center, dose-escalating study to evaluate the safety, tolerability, pharmacokinetics, and pharmacodynamic effect of RBT-9 in healthy volunteers and in subjects with Stage 3/4 CKD.

What is the current status of trial NCT04072861?

This trial is currently completed. It is a Phase 1 study. The enrollment target is 42 participants. The study started on 2019-03-31. Estimated completion is 2020-10-31.

What interventions are being tested in trial NCT04072861?

The interventions under investigation include: RBT-9 (DRUG).

Who is sponsoring clinical trial NCT04072861?

This trial is sponsored by Renibus Therapeutics, which has 9 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT04072861's enrollment target sits among peer trials

42 1105th of 2000 higher than 876 of 2,000 other Phase 1 trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other Phase 1 trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source ClinicalTrials.gov registry export · 2026-08-08

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Source: ClinicalTrials.gov NCT04072861, the US trial registry maintained by the National Library of Medicine. NCT04072861 (small enrollment · none site footprint · completed) retrieved and formatted by PlainTrial, see methodology.