Clinical Trials

Bardoxolone has been evaluated across Phase 1 through Phase 3 in numerous clinical trials focusing on renal and respiratory conditions—including chronic kidney disease, diabetic nephropathy, IgA nephropathy, focal segmental glomerulosclerosis, and pulmonary arterial hypertension—alongside solid tumors and healthy volunteers. Sponsored by industry entities such as Biogen and Kyowa Kirin as well as academic institutions like NYU Langone Health, these studies comprise completed, withdrawn, and terminated protocols evaluating safety, efficacy, and pharmacokinetics.

NCT Number Recruitment Conditions Sponsor/Collaborators Start Date Phases
NCT03749447 TERMINATED
Chronic Kidney Diseases; Alport Syndrome; Autosomal Dominant Polycystic Kidney
Biogen
2019-03-08 PHASE3
NCT03918447 TERMINATED
Autosomal Dominant Polycystic Kidney; ADPKD
Biogen
2019-05-29 PHASE3
NCT03550443 TERMINATED
Diabetic Kidney Disease
Kyowa Kirin Co., Ltd.
2018-05-30 PHASE3
NCT04702997 COMPLETED
Chronic Kidney Diseases
Biogen
2021-02-09 PHASE2
NCT04494646 COMPLETED
Covid19
NYU Langone Health
2020-09-08 PHASE2
NCT03019185 COMPLETED
Alport Syndrome
Biogen
2017-03-02 PHASE2; PHASE3
NCT03068130 TERMINATED
Pulmonary Hypertension
Biogen
2017-04-18 PHASE3
NCT04018339 COMPLETED
Obese Adult Male
Kyowa Kirin Co., Ltd.
2019-08-20 PHASE1
NCT02657356 TERMINATED
Connective Tissue Disease-Associated Pulmonary Arterial Hypertension
Biogen
2016-10-04 PHASE3
NCT04023903 COMPLETED
Healthy Subject
Kyowa Kirin Co., Ltd.
2019-04-04 PHASE1
NCT03366337 COMPLETED
IgA Nephropathy; CKD Associated With Type 1 Diabetes; Focal Segmental Glomerulosclerosis; Autosomal Dominant Polycystic Kidney
Biogen
2017-12-26 PHASE2
NCT02036970 COMPLETED
Pulmonary Arterial Hypertension; Pulmonary Hypertension; Interstitial Lung Disease; Idiopathic Interstitial Pneumonia; Idiopathic Pulmonary Fibrosis; Sarcoidosis; Respiratory Bronchiolitis Associated Interstitial Lung Disease; Desquamative Interstitial Pneumonia; Cryptogenic Organizing Pneumonia; Acute Interstitial Pneumonitis; Idiopathic Lymphoid Interstitial Pneumonia; Idiopathic Pleuroparenchymal Fibroelastosis
Biogen
2014-05-31 PHASE2
NCT03264079 COMPLETED
Healthy Volunteers
Biogen
2017-10-16 PHASE1
NCT02036970 Completed
Pulmonary Arterial Hypertension|Pulmonary Hypertension|Interstitial Lung Disease|Idiopathic Interstitial Pneumonia|Idiopathic Pulmonary Fibrosis|Sarcoidosis|Respiratory Bronchiolitis Associated Interstitial Lung Disease|Desquamative Interstitial Pneumonia|Cryptogenic Organizing Pneumonia|Acute Interstitial Pneumonitis|Idiopathic Lymphoid Interstitial Pneumonia|Idiopathic Pleuroparenchymal Fibroelastosis
Reata a wholly owned subsidiary of Biogen|Biogen
2014-05-31 Phase 2
NCT01551446 WITHDRAWN
Renal Insufficiency, Chronic; Diabetes Mellitus, Type 2
Biogen
2012-04-30 PHASE1
NCT01563562 COMPLETED
Hepatic Impairment; Healthy
Biogen
2012-04-30 PHASE1
NCT01549769 TERMINATED
Renal Insufficiency, Chronic; Diabetes Mellitus, Type 2
Biogen
2012-04-30 PHASE1
NCT01689116 COMPLETED
Healthy Volunteers
Biogen
2012-08-31 PHASE1
NCT01500798 TERMINATED
Chronic Kidney Disease; Type 2 Diabetes
Biogen
2012-01-31 PHASE1
NCT01655186 WITHDRAWN
Renal Insufficiency, Chronic; Diabetes Mellitus, Type 2
Biogen
2012-09-30 PHASE2
NCT01576887 WITHDRAWN
End-Stage Renal Disease; Type 2 Diabetes Mellitus
Biogen
2012-07-31 PHASE2
NCT01351675 TERMINATED
Renal Insufficiency, Chronic; Diabetes Mellitus, Type 2
Biogen
2011-06-30 PHASE3
NCT01598363 COMPLETED
Healthy Volunteers
Biogen
2012-06-30 PHASE1
NCT01598363 Completed
Healthy Volunteers
Reata a wholly owned subsidiary of Biogen|Biogen
2012-06-30 Phase 1
NCT01551446 Withdrawn
Renal Insufficiency Chronic|Diabetes Mellitus Type 2
Reata a wholly owned subsidiary of Biogen|Biogen
2012-04-30 Phase 1
NCT01461161 COMPLETED
Healthy Volunteers
Biogen
2011-10-31 PHASE1
NCT01503866 COMPLETED
Healthy
Biogen
2011-12-01 PHASE1
NCT01503866 Completed
Healthy
Reata a wholly owned subsidiary of Biogen|Biogen
2011-12-01 Phase 1
NCT01461161 Completed
Healthy Volunteers
Reata a wholly owned subsidiary of Biogen|Biogen
2011-10-31 Phase 1
NCT01053936 COMPLETED
Renal Insufficiency, Chronic; Diabetes Mellitus, Type 2
Biogen
2010-01-31 PHASE2
NCT00811889 COMPLETED
Chronic Kidney Disease; Type 2 Diabetes; Diabetic Nephropathy
Biogen
2009-04-30 PHASE2
NCT00529113 TERMINATED
Pancreatic Neoplasms; Pancreatic Cancer
Biogen
2007-09-30 PHASE1
NCT00664027 COMPLETED
Diabetic Nephropathy
Biogen
2008-04-30 PHASE2
NCT00529438 COMPLETED
Advanced Solid Tumors; Lymphoid Malignancies
Biogen
2006-04-30 PHASE1

(data from https://clinicaltrials.gov, updated on 2025-06-03)

Check the Bardoxolone (CDDO) product page for in-depth specifications, including solubility, stock solutions, MOA, and working concentrations.

Compliance for Clinical Use

Mechanism and Biochemical Profile

Bardoxolone binds to Kelch-like ECH-associated protein 1 (KEAP1) to trigger the release and nuclear translocation of nuclear factor erythroid 2-related factor 2 (Nrf2), suppressing oxidative stress pathways while inducing apoptosis in malignant cells. This dual cytoprotective and pro-apoptotic signaling modulation provides a mechanistic basis for its therapeutic evaluation in clinical conditions such as chronic kidney disease, pulmonary arterial hypertension, and advanced solid tumors.

Appendix RUO and cGMP Quality Standards

Quality Dimension RUO (Research Use Only) cGMP (Current Good Manufacturing Practice)
Clinical Applicability Prohibited in human clinical trials or medical diagnostics. Mandatory for human clinical trials (Phase I–III) and therapies.
Regulatory Status Non-regulated grade; exempt from drug manufacturing laws. Legally enforced by health authorities (e.g., FDA, EMA, NMPA).
Facility Environment Unclassified analytical or research laboratories. Validated Cleanrooms (ISO Class 5–8) with continuous monitoring.
Quality Control Basic purity and activity testing. Rigorous safety release testing (Sterility, Endotoxin, Mycoplasma).
Process Validation Basic equipment calibration; no process validation required. Full qualification (IQ/OQ/PQ) and complete batch records.
Quality Assurance Vendor self-declared without required formal QMS. Mandatory QA/QC unit, Change Control, CAPA, and vendor audits.
Regulatory Impact High risk of IND rejection if used as a critical raw material. Required for IND/NDA filings, supported by Drug Master Files (DMF).

Footnotes

Regulatory Note: Governed by FDA (21 CFR Parts 210/211/312), EMA (EudraLex Vol 4), ICH Guidelines (E6/Q7/Q9/Q10), and compendial standards (USP <71>/<85>/<1043>).

Note: Technical data last updated: Sep 1, 2026.