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Effect of AKB-6548 on Cardiac Repolarization Intervals in Healthy Volunteers

A Phase 1, Single-Center, Partially Double-Blinded, Active and Placebo Controlled, Randomized 4-Way Crossover Study to Evaluate the Effect of AKB-6548 on Cardiac Repolarization Intervals in Healthy Volunteers

Status
Completed
Phases
Phase 1
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT02062203
Enrollment
50
Registered
2014-02-13
Start date
2014-01-31
Completion date
2014-04-30
Last updated
2018-11-14

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

Conditions

Healthy Volunteers

Keywords

Akebia, QT interval, TQT, pharmacokinetic, anemia, chronic kidney disease, CKD, chronic renal insufficiency, renal impairment, safety

Brief summary

The main purpose of this study is to evaluate the effect of single oral therapeutic and supratherapeutic doses of AKB-6548 on the QT interval.

Interventions

DRUGAKB-6548 (therapeutic dose)

Single oral dose of AKB-6548 at a therapeutic dose level

DRUGAKB-6548 (supratherapeutic dose)

Single oral dose of AKB-6548 at a supratherapeutic dose level

DRUGPlacebo

Single oral dose of placebo

DRUGMoxifloxacin

Single oral dose of 400 mg moxifloxacin

Sponsors

Akebia Therapeutics
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
CROSSOVER
Primary purpose
OTHER
Masking
QUADRUPLE (Subject, Caregiver, Investigator, Outcomes Assessor)

Eligibility

Sex/Gender
ALL
Age
18 Years to 55 Years
Healthy volunteers
Yes

Inclusion criteria

Key Inclusion Criteria: * Healthy, non-smoking males or females, 18 and 55 years of age, inclusive * BMI 18.0 and 32.0 kg/m2, inclusive * non clinically significant 12-lead ECG * heart rate of 45 to 90 beats per minute, inclusive * mean systolic blood pressure \<141 mmHg and mean diastolic blood pressure \< 90 mmHg Key

Exclusion criteria

* history or presence of significant cardiovascular, pulmonary, hepatic, renal, hematologic, GI, endocrine, immunologic, dermatologic, neurologic, or psychiatric disease * history of unexplained syncope, cardiac arrest, unexplained cardiac arrhythmias, or torsades de pointes, structural heart disease, or a family history of Long QT syndrome * significant abnormalities in liver function tests * history of stomach or intestinal surgery or resection that would potentially alter absorption and/or excretion of orally administered drugs * history of Gilbert's Syndrome * positive hepatitis panel * seizure disorder or receiving anti-epilepsy medication for seizure disorder * any acute or chronic condition that, in the opinion of the Investigator, may pose a safety risk to a subject in this study or which would limit the subject's ability to complete and/or participate in this clinical study

Design outcomes

Primary

MeasureTime frame
Placebo-corrected change-from-baseline QTcF (ΔΔQTcF) following AKB-6548 administration.multiple timepoint evaluations from pre-dose to 24 hours post-dose

Secondary

MeasureTime frame
Categorical outliers defined as QTcF >450 msec, 480 msec and 500 msec at any timepoint and change-from-baseline QTcF (ΔQTcF) >30 msec (increased by 30 msec) and >60 msecmultiple timepoint evaluations from pre-dose to 24 hours post-dose
Categorical outliers for HR, PR interval, QRS intervalmultiple timepoint evaluations from pre-dose to 24 hours post-dose
Placebo-corrected change-from-baseline heart rate (HR), PR interval, QRS intervalmultiple timepoint evaluations from pre-dose to 24 hours post-dose
Placebo-corrected change-from-baseline QTcF (ΔΔQTcF) following moxifloxacin administrationmultiple timepoint evaluations from pre-dose to 24 hours post-dose
Safety parameters to include adverse events; changes in routine clinical laboratory measures including chemistry, hematology, and urinalysis; and clinically significant changes noted during physical examinations or in vital signsfrom first dose of study medication through the final protocol required visit
Frequency of T wave morphology changesmultiple timepoint evaluations from pre-dose to 24 hours post-dose

Countries

United States

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026