NCT03801746

Brief Summary

This is a Phase 1, two-part, open-label study to evaluate the interaction of cyclosporine, probenecid, and rifampin as perpetrators with vadadustat (victim) in healthy male and female subjects.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
40

participants targeted

Target at P50-P75 for phase_1

Timeline
Completed

Started Jul 2018

Shorter than P25 for phase_1

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

July 20, 2018

Completed
26 days until next milestone

Primary Completion

Last participant's last visit for primary outcome

August 15, 2018

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

August 15, 2018

Completed
4 months until next milestone

First Submitted

Initial submission to the registry

December 27, 2018

Completed
15 days until next milestone

First Posted

Study publicly available on registry

January 11, 2019

Completed
Last Updated

March 22, 2019

Status Verified

March 1, 2019

Enrollment Period

26 days

First QC Date

December 27, 2018

Last Update Submit

March 20, 2019

Conditions

Keywords

Healthy volunteersvadadustatdrug interactions

Outcome Measures

Primary Outcomes (3)

  • Area under plasma concentration-time curve from 0 to last quantifiable concentration (AUClast) of vadadustat

    Up to 10 weeks

  • Area under plasma concentration-time curve from 0 to infinity (AUCinf) of vadadustat

    Up to 10 weeks

  • Maximum observed plasma concentration (Cmax) of vadadustat

    Up to 10 weeks

Secondary Outcomes (12)

  • Time to maximum observed plasma concentration (Tmax) of vadadustat

    Up to 10 weeks

  • Elimination rate constant (Kel) of vadadustat

    Up to 10 weeks

  • Terminal half-life (t½) of vadadustat

    Up to 10 weeks

  • Apparent total body clearance (CL/F) of vadadustat

    Up to 10 weeks

  • Percent of extrapolated area under the curve from time t to infinity (%AUCextrap) of vadadustat

    Up to 10 weeks

  • +7 more secondary outcomes

Study Arms (3)

Vadadustat, Cyclosporine

EXPERIMENTAL

Part 1: Arm 1: Subjects will receive vadadustat 300 mg alone and vadadustat 300 mg in combination with oral cyclosporine 500 mg in a crossover design

Drug: vadadustatDrug: Cyclosporins

Vadadustat; Probenecid

EXPERIMENTAL

Part 1: Arm 2: Subjects will receive vadadustat 300 mg alone and vadadustat 300 mg in combination with oral Probenecid 500 mg Q12h in a fixed sequence design

Drug: vadadustatDrug: Probenecid

Vadadustat and Rifampin

EXPERIMENTAL

Part 2: Subjects will receive vadadustat 300 mg alone and vadadustat 300 mg in combination with IV rifampin 600 mg in a cross-over design

Drug: vadadustatDrug: Rifampin

Interventions

Oral dose 300 mg

Also known as: AKB 6548
Vadadustat and RifampinVadadustat, CyclosporineVadadustat; Probenecid

IV Rifampin

Vadadustat and Rifampin

Oral Probenecid

Vadadustat; Probenecid

Oral Cyclosporine

Vadadustat, Cyclosporine

Eligibility Criteria

Age18 Years - 55 Years
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64)

You may qualify if:

  • Healthy Male or female between 18 and 55 years of age, inclusive, at time of informed consent
  • Body mass index between 18.0 and 30.0 kg/m2, with a minimum body weight of 45 kg for females and 50 kg for males, inclusive.

You may not qualify if:

  • Current or past clinically significant history of cardiovascular, cerebrovascular, pulmonary, gastrointestinal, hematologic, renal, hepatic, immunologic, metabolic, urologic, neurologic, dermatologic, psychiatric, or other major disease. History of cancer (except treated non-melanoma skin cancer) or history of chemotherapy use within 5 years prior to Screening; History of latent or active tuberculosis (TB).
  • Positive test results for human immunodeficiency virus (HIV) antibody; Positive test results of hepatitis B surface antigen (HBsAg), or positive hepatitis C virus antibody (HCVab) within 3 months prior to screening , or positive test results for human immunodeficiency virus antibody (HIVab) at Screening.
  • Taking any prescription medication or over the counter multi-vitamin supplement, or any non-prescription products (including herbal-containing preparations but excluding acetaminophen) within 14 days prior to Day -1.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

inVentiv Health Clinique Inc.

Québec, Quebec, G1P A02, Canada

Location

MeSH Terms

Interventions

vadadustatRifampinProbenecidCyclosporins

Intervention Hierarchy (Ancestors)

RifamycinsHeterocyclic Compounds, 4 or More RingsHeterocyclic Compounds, Fused-RingHeterocyclic CompoundsLactams, MacrocyclicMacrocyclic CompoundsPolycyclic CompoundsSulfonamidesAmidesOrganic ChemicalsSulfonesSulfur CompoundsPeptides, CyclicPeptidesAmino Acids, Peptides, and Proteins

Study Officials

  • Akebia Inc

    Sponsor GmbH

    STUDY DIRECTOR

Study Design

Study Type
interventional
Phase
phase 1
Allocation
RANDOMIZED
Masking
NONE
Purpose
BASIC SCIENCE
Intervention Model
SEQUENTIAL
Model Details: This is a 2 part study. Part 1 Arm 1 is a cross over design to assess the drug-drug interactions of cyclosporine with vadadustat. Part 1 Arm 2 is a fixed sequence design to assess the drug-drug interactions of probenecid with vadadustat. Part 2 is a crossover design to assess the drug-drug interaction of rifampin with vadadustat
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

December 27, 2018

First Posted

January 11, 2019

Study Start

July 20, 2018

Primary Completion

August 15, 2018

Study Completion

August 15, 2018

Last Updated

March 22, 2019

Record last verified: 2019-03

Locations