NCT06794996

Brief Summary

The purpose of the study is to evaluate the efficacy, safety, and tolerability of Inaxaplin (IXP) in participants with proteinuric APOL1- mediated kidney disease (AMKD).

Trial Health

75
On Track

Trial Health Score

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

Enrollment
42

participants targeted

Target at P25-P50 for phase_2

Timeline
8mo left

Started Feb 2025

Geographic Reach
1 country

35 active sites

Status
active not recruiting

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 Progress66%
Feb 2025Dec 2026

First Submitted

Initial submission to the registry

January 23, 2025

Completed
4 days until next milestone

First Posted

Study publicly available on registry

January 27, 2025

Completed
8 days until next milestone

Study Start

First participant enrolled

February 4, 2025

Completed
1.9 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 30, 2026

Expected
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

December 30, 2026

Last Updated

May 5, 2026

Status Verified

November 1, 2025

Enrollment Period

1.9 years

First QC Date

January 23, 2025

Last Update Submit

April 29, 2026

Conditions

Keywords

APOL1-mediated kidney disease (AMKD)

Outcome Measures

Primary Outcomes (1)

  • Percent Change in Urine Albumin-Creatinine Ratio (UACR)

    Baseline and At Week 13

Secondary Outcomes (1)

  • Safety and Tolerability as Assessed by Number of Participants with Adverse Events (AEs) and Serious Adverse Events (SAEs)

    From Baseline Up To Week 17

Study Arms (1)

IXP (Inaxaplin)

EXPERIMENTAL

Participants with proteinuric APOL1-mediated kidney disease (AMKD) with or without the comorbidity of Type 2 diabetes mellitus (T2DM) will receive a single dose of IXP once daily, for 13 weeks.

Drug: Inaxaplin

Interventions

Tablets for Oral Administration.

Also known as: IXP, VX-147
IXP (Inaxaplin)

Eligibility Criteria

Age18 Years - 67 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Participant has an APOL1 genotype of G1/G1, G2/G2, or G1/G2 obtained with a Vertex designated investigational clinical study assay
  • Estimated Glomerular Filtration Rate (eGFR) of greater than or equal to (≥) 25 milliliter per minute (mL/min)/1.73m\^2 at screening

You may not qualify if:

  • Evidence of Focal Segmental Glomerulosclerosis (FSGS) with a known cause other than due to APOL1 risk variants
  • Uncontrolled hypertension

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (35)

Nephrology Consultants, LLC

Huntsville, Alabama, 35805, United States

Location

Foundation for Sickle Cell Disease Research, LLC

Hollywood, Florida, 33023, United States

Location

South Florida Research Institute

Lauderdale Lakes, Florida, 33313, United States

Location

Schiff Center for Liver Diseases

Miami, Florida, 33136, United States

Location

CTR Oakwater, LLC

Orlando, Florida, 32806, United States

Location

Renal Associates, LLC

Columbus, Georgia, 31904, United States

Location

Georgia Nephrology - Decatur

Decatur, Georgia, 30030, United States

Location

Javara Inc./Privia Medical Group Georgia, LLC - Fayetteville

Fayetteville, Georgia, 30214, United States

Location

Georgia Nephrology

Lawrenceville, Georgia, 30046, United States

Location

Javara Inc. /Privia Medical Group Georgia, LLC - Savannah

Savannah, Georgia, 31406, United States

Location

Renal Associates of Baton Rouge

Baton Rouge, Louisiana, 70808, United States

Location

LCMC Health

Metairie, Louisiana, 70006, United States

Location

Ochsner Medical Center - New Orleans - Nephrology

New Orleans, Louisiana, 70121, United States

Location

Northwest Louisiana Nephrology, LLC - Shreveport

Shreveport, Louisiana, 71101, United States

Location

Javara Inc./Privia Medical Group, LLC MidAtlantic-Silver Spring, MD

Silver Spring, Maryland, 20901, United States

Location

Nephrology Associates, P.C.

Columbus, Mississippi, 39705, United States

Location

Nephrology and Hypertension Associates, LTD

Tupelo, Mississippi, 38801, United States

Location

DaVita Kidney Care - Las Vegas

Las Vegas, Nevada, 89107, United States

Location

Saint Michael's Medical Center - Peter Ho Memorial Clinic

Newark, New Jersey, 07102, United States

Location

Rutgers Doctors Office Center

Newark, New Jersey, 07103, United States

Location

Scott Research, Inc.

Laurelton, New York, 11413, United States

Location

NYC Health + Hospital/Harlem

New York, New York, 10037, United States

Location

North Carolina Nephrology P.A. - Cary Office

Cary, North Carolina, 27511, United States

Location

UNC Clinical and Translational Research Center

Chapel Hill, North Carolina, 27599-7155, United States

Location

Duke University Hospital - Children's Health Center

Durham, North Carolina, 27710, United States

Location

Eastern Nephrology Associates - New Bern Office

New Bern, North Carolina, 28562, United States

Location

Lewis Katz School of Medicine at Temple University - Section of Nephrology

Philadelphia, Pennsylvania, 19140, United States

Location

Columbia Nephrology Associates, PA

Columbia, South Carolina, 29203, United States

Location

Carolina Nephrology, PA

Spartanburg, South Carolina, 29306, United States

Location

Dallas Renal Group - 2

Dallas, Texas, 75230, United States

Location

Dallas Renal Group - 1

Dallas, Texas, 75237, United States

Location

Dallas Nephrology Associates - Dallas Landry Office

Dallas, Texas, 75246, United States

Location

UTSW Medical Center - Nephrology

Dallas, Texas, 75390, United States

Location

Prolato Clinical Research Center

Houston, Texas, 77054, United States

Location

Tks Research, P.L.L.C.

Norfolk, Virginia, 23504, United States

Location

Study Design

Study Type
interventional
Phase
phase 2
Allocation
NA
Masking
NONE
Purpose
TREATMENT
Intervention Model
SINGLE GROUP
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

January 23, 2025

First Posted

January 27, 2025

Study Start

February 4, 2025

Primary Completion (Estimated)

December 30, 2026

Study Completion (Estimated)

December 30, 2026

Last Updated

May 5, 2026

Record last verified: 2025-11

Data Sharing

IPD Sharing
Will not share

Details on Vertex data sharing criteria and process for requesting access can be found at: https://www.vrtx.com/our-science/clinical-trials-data-sharing/

Locations