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NCT04780841 · ClinicalTrials.gov registry record · Phase 2

A Study Evaluating the Safety and Efficacy of RDX013 for the Treatment of Hyperkalemia

A Phase 2 study of Hyperkalemia, sponsored by Ardelyx.

Completed
Registry status
Phase 2
Development phase
109
Enrollment target
6
Study locations

NCT04780841: Completed Phase 2 study of Hyperkalemia, sponsored by Ardelyx.

NCT04780841 is a Phase 2 study of Hyperkalemia that has completed, run by Ardelyx. The registered enrollment target is 109 participants, above the 48-participant average among 8 other Hyperkalemia trials with a reported enrollment target (127% higher). The trial reports 6 study locations across 4 states. According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT04780841, a Phase 2 study of Hyperkalemia, has completed, sponsored by Ardelyx.

COMPLETED
Registry status
Phase 2
Development phase
109 participants
Enrollment target
6
Study locations

Study Summary

The purpose of this study is to evaluate the ability of RDX013 to lower serum potassium in patients with chronic kidney disease with elevated serum potassium levels

Primary Outcome

To evaluate the change of serum potassium from baseline to the end of treatment with different doses of RDX013 to identify the optimal dose for further evaluation in Part B of the study.

Conditions Studied

Interventions

  • DRUG Placebo
  • DRUG RDX013

Study Locations (6)

Florida

  • Horizon Research Group LLC - Coral Gables
  • Panax Clinical Research LLC - Miami Lakes
  • South Florida Research Phase I-IV; Inc. - Miami Springs

Louisiana

  • NW Louisiana Nephrology Assoc - Shreveport

Missouri

  • Clinical Research Consultants - Kansas City

North Carolina

  • Mountain Kidney & Hypertension Associates - Asheville

Trial Details

FieldValue
Enrollment Target 109 participants
Start Date 2021-01-11
Est. Completion 2022-03-03
Phase Phase 2
Ardelyx

25 total trials

What the finished NCT04780841 record still lists

NCT04780841 is an interventional study that assigns participants to a tested intervention. The registered 109 participants enrollment target is mid-sized for trials with a published cap, above the 48-participant average among 8 other Hyperkalemia trials with a reported enrollment target (127% higher).

The record links to 1 condition, with Hyperkalemia appearing as the primary indexed condition, and to 2 interventions - of which Placebo is the first listed.

NCT04780841 lists 6 locations in 4 states (Florida, Louisiana, Missouri).

Frequently Asked Questions

What is clinical trial NCT04780841 about?

NCT04780841 is a clinical study titled "A Study Evaluating the Safety and Efficacy of RDX013 for the Treatment of Hyperkalemia". The purpose of this study is to evaluate the ability of RDX013 to lower serum potassium in patients with chronic kidney disease with elevated serum potassium levels

What is the current status of trial NCT04780841?

This trial is currently completed. It is a Phase 2 study. The enrollment target is 109 participants. The study started on 2021-01-11. Estimated completion is 2022-03-03.

What conditions does trial NCT04780841 study?

This clinical trial studies the following conditions: Hyperkalemia.

What interventions are being tested in trial NCT04780841?

The interventions under investigation include: Placebo (DRUG), RDX013 (DRUG).

Who is sponsoring clinical trial NCT04780841?

This trial is sponsored by Ardelyx, which has 25 total clinical trials registered on ClinicalTrials.gov.

Where is trial NCT04780841 being conducted?

This trial has 6 study locations across Florida, Louisiana, Missouri, North Carolina. Contact the study sites directly through ClinicalTrials.gov for enrollment availability.

Similar trials for Hyperkalemia

Matched on the same primary condition, ranked to surface studies in the same phase first, then by recruiting status, no relevance scoring or editorial curation.

Where NCT04780841's enrollment target sits among peer trials

109 2nd of 8 the highest of 8 other Hyperkalemia trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other Hyperkalemia 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 NCT04780841, the US trial registry maintained by the National Library of Medicine. NCT04780841 (mid enrollment · multi site footprint · completed) retrieved and formatted by PlainTrial, see methodology.