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Safety and Efficacy Study for AKB-6548 in Subjects With Chronic Kidney Disease and Anemia

This study has been completed.
Information provided by (Responsible Party):
Akebia Therapeutics Identifier:
First received: November 5, 2010
Last updated: September 27, 2012
Last verified: September 2012
The purpose of this study is to evaluate the safety, efficacy, and pharmacokinetics of repeat doses of orally administered AKB-6548 in pre-dialysis subjects with anemia.

Condition Intervention Phase
Anemia Kidney Disease Drug: AKB-6548 Phase 2

Study Type: Interventional
Study Design: Intervention Model: Single Group Assignment
Masking: None (Open Label)
Primary Purpose: Treatment
Official Title: Phase 2a Open-Label Pilot Study to Assess the Pharmacodynamic Response, Pharmacokinetics, Safety, and Tolerability of 28-Day Repeat Oral Doses of AKB-6548 in Subjects With Anemia Secondary to Chronic Kidney Disease (CKD), Stages 3 and/or 4

Resource links provided by NLM:

Further study details as provided by Akebia Therapeutics:

Primary Outcome Measures:
  • Hematologic response to include rate of response, actual values, change from baseline, and maximum change in hematologic parameters. [ Time Frame: 28 days ]

Secondary Outcome Measures:
  • Safety and tolerability measures will include assessments of adverse events, vital signs, ECGs, physical exam findings, and laboratory assays (hematology, chemistry, and coagulation tests). [ Time Frame: 28 days of therapy, 2 week follow-up ]
  • Pharmacokinetic assessment will involve pre-dose plasma concentration of AKB-6548. [ Time Frame: 28 days ]

Enrollment: 10
Study Start Date: October 2010
Study Completion Date: May 2011
Primary Completion Date: April 2011 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Experimental: AKB-6548 Drug: AKB-6548
Different dose levels


Ages Eligible for Study:   18 Years to 79 Years   (Adult, Senior)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No

Key Inclusion Criteria:

  • 18 to 79 years of age, inclusive
  • Chronic Kidney Disease Stage 3 or Stage 4
  • Hemoglobin (Hgb) < 10.5 g/dl
  • TSAT > 20% and CBC indicating normocytic red blood cell morphology

Key Exclusion Criteria:

  • BMI > 40
  • Red blood cell transfusion within 12 weeks.
  • Androgen therapy within the previous 21 days prior to study dosing
  • Therapy with any approved or experimental erythropoiesis stimulating agent (ESA) within the 10 weeks prior to the Screening visit
  • Subjects meeting the criteria of ESA resistance within the previous 4 months
  • Individual doses of intravenous iron of 250 mg or larger within the past 21 days
  • AST or ALT >1.8x ULN.
  • Alkaline phosphatase >2x ULN.
  • Total bilirubin >1.5x ULN.
  • Uncontrolled hypertension
  • New York Heart Association Class III or IV congestive heart failure
  • Myocardial infarction, acute coronary syndrome, or stroke within 6 months prior to dosing
  Contacts and Locations
Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the Contacts provided below. For general information, see Learn About Clinical Studies.

Please refer to this study by its identifier: NCT01235936

United States, Georgia
Augusta, Georgia, United States
United States, Texas
San Antonio, Texas, United States
Sponsors and Collaborators
Akebia Therapeutics
Study Chair: Robert Shalwitz, MD Akebia Therapeutics
  More Information

Responsible Party: Akebia Therapeutics Identifier: NCT01235936     History of Changes
Other Study ID Numbers: AKB-6548-CI-0004
Study First Received: November 5, 2010
Last Updated: September 27, 2012

Keywords provided by Akebia Therapeutics:
chronic kidney disease
chronic renal insufficiency
renal impairment

Additional relevant MeSH terms:
Kidney Diseases
Renal Insufficiency, Chronic
Hematologic Diseases
Urologic Diseases
Renal Insufficiency processed this record on August 22, 2017