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CTRI Number  CTRI/2026/04/108423 [Registered on: 15/04/2026] Trial Registered Prospectively
Last Modified On: 09/04/2026
Post Graduate Thesis  No 
Type of Trial  Interventional 
Type of Study   Drug 
Study Design  Single Arm Study 
Public Title of Study   A Study to Learn More About How Safe the Study Treatment Finerenone is in Long-term Use When Taken With an ACE Inhibitor or Angiotensin Receptor Blocker Over 18 Months of Use in Children and Young Adults From 1 to 18 Years of Age With Chronic Kidney Disease and Proteinuria (FIONA OLE) 
Scientific Title of Study   An 18-month, open-label, single-arm safety extension study of an age-and bodyweight adjusted oral finerenone regimen, in addition to an ACEI or ARB, for the treatment of children and young adults from 1 to 18 years of age with chronic kidney disease and proteinuria. 
Trial Acronym  FIONA OLE 
Secondary IDs if Any  
Secondary ID  Identifier 
20186 - Protocol Version 5.0 dated 21 Jun 2024  Protocol Number 
2021-002905-89   EudraCT 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Sudiksha Phadnis 
Designation  Manager, Clinical Operations  
Affiliation  Bayer Pharmaceuticals Private Limited 
Address  Bayer House, Central Avenue, Hiranandani Estate, Thane (West)

Thane
MAHARASHTRA
400607
India 
Phone  9619558596  
Fax    
Email  sudiksha.phadnis@bayer.com  
 
Details of Contact Person
Scientific Query
 
Name  Sudiksha Phadnis 
Designation  Manager, Clinical Operations  
Affiliation  Bayer Pharmaceuticals Private Limited 
Address  Bayer House, Central Avenue, Hiranandani Estate, Thane (West)

Thane
MAHARASHTRA
400607
India 
Phone  9619558596  
Fax    
Email  sudiksha.phadnis@bayer.com  
 
Details of Contact Person
Public Query
 
Name  Sudiksha Phadnis 
Designation  Manager, Clinical Operations  
Affiliation  Bayer Pharmaceuticals Private Limited 
Address  Bayer House, Central Avenue, Hiranandani Estate, Thane (West)

Thane
MAHARASHTRA
400607
India 
Phone  9619558596  
Fax    
Email  sudiksha.phadnis@bayer.com  
 
Source of Monetary or Material Support  
Bayer Pharmaceuticals Private Limited, Bayer House, Central Avenue, Hiranandani Estate, Thane, 400607, Maharashtra, India  
 
Primary Sponsor  
Name  Bayer Pharmaceuticals Private Limited  
Address  Bayer House, Central Avenue, Hiranandani Estate, Thane - 400607, Maharashtra, India  
Type of Sponsor  Pharmaceutical industry-Global 
 
Details of Secondary Sponsor  
Name  Address 
NIL  NIL 
 
Countries of Recruitment     Argentina
Australia
Austria
Belgium
Canada
Czech Republic
Denmark
Finland
France
Germany
Greece
Hungary
India
Italy
Lithuania
Netherlands
Poland
Portugal
Republic of Korea
South Africa
Spain
Sweden
Switzerland
Turkey
United States of America
United Kingdom
Brazil
Bulgaria
Israel
Malaysia
Mexico
Taiwan  
Sites of Study  
No of Sites = 4  
Name of Principal Investigator  Name of Site  Site Address  Phone/Fax/Email 
Dr Pankaj Hari   All India Institute of Medical Sciences, New Delhi   Department of Pediatrics, AIIMS Campus, Ansari Nagar East, New Delhi – 110029,
New Delhi
DELHI 
011-26594858

pankajhari@hotmail.com 
Dr Siddharth Mavani   Mavani Research Center   Second Floor, Room Number 201-202, Kairos Building, Drive In Road, Mayur Nagar Society, MemNagar
Ahmadabad
GUJARAT 
9825317953

msiddh@yahoo.co.in  
Dr Pinaki Mukhopadhyay  Nil Ratan Sircar Medical College and Hospital   138, AJC Bose Road, Kolkata - 700014,
Kolkata
WEST BENGAL 
91-9836471071

drpinaki71@yahoo.com  
Dr Nivedita Kamath   St. Johns National Academy of Health Sciences   Department of Pediatrics, Unit of Hope Building, Second Floor, Sarjapur Road, Bangalore - 560034
Bangalore
KARNATAKA 
91-8022065003

nkamath25@yahoo.com 
 
Details of Ethics Committee  
No of Ethics Committees= 4  
Name of Committee  Approval Status 
Institutional Ethics Committee, AIIMS New Delhi  Submittted/Under Review 
Institutional Ethics Committee, NRS Medical College  Approved 
Institutional Ethics Committee, St. Johns Medical College and Hospital   Approved 
Sangini Hospital Ethics Committee  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Approved/Obtained 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: N189||Chronic kidney disease, unspecified,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  Finerenone (Kerendia, BAY94-8862)   Finerenone 10 mg or 20 mg, Once daily, orally for 540 days.  
Comparator Agent  NOT APPLICABLE  NOT APPLICABLE 
 
Inclusion Criteria  
Age From  1.00 Year(s)
Age To  18.00 Year(s)
Gender  Both 
Details  1. Participants must be greater than or equal to 1 year to 18 years of age, at the time of signing the informed consent/assent.
2. Prior participation in the Finerenone Phase 3 study FIONA (19920) and not permanently discontinued from treatment by the end of treatment (EoT) visit in FIONA.
3. Participants must have a clinical diagnosis of Chronic Kidney Disease (CKD) at Visit 1.
4. Treated with an angiotensin-converting enzyme inhibitor (ACEI) or angiotensin receptor blocker (ARB) at optimized doses defined as maximally tolerable doses within the recommended dose range according to guidelines on blood pressure (BP) management, unchanged for at least 30 days prior to Visit 1.
5. K+ less than or equal to 5.0 mmol/L for children greater than or equal to 2 years of age at both FIONA EoT and Visit 1, and less than or equal to 5.3 mmol/L for children less then 2 years of age at both FIONA EoT and Visit 1.
6. Participant is able to receive enteral feeding (solid food, bottle or cup fed, feeding through nasogastric or gastric feeding tubes) with or without breastfeeding.
 
 
ExclusionCriteria 
Details  1. Planned urological surgery expected to influence renal function.
2. Patients who are candidates for renal transplantation, i.e., a kidney transplantation scheduled within the study time frame.
3. Systemic hypertension Stage 2 at Visit 1.
4. Systemic hypotension at Visit 1.
5. Known hypersensitivity to the study treatment (active substance or excipients).
6. Severe hepatic insufficiency.
7. Participants using rituximab, cyclophosphamide, abatacept, or intravenous glucocorticoids.
8. Concomitant therapy with a mineralocorticoid receptor antagonist (MRA) (eplerenone, spironolactone, esaxerenone, canrenone), any renin inhibitor (aliskiren, enalkiren, remikiren), any sodium-glucose co-transporter-2 (SGLT2) inhibitor (SGLT2i), sacubitril/valsartan combination (ARNI), or potassium-sparing diuretic (amiloride, triamterene).
9. Concomitant therapy with both ACEI and ARBs together.
10. Concomitant therapy with strong cytochrome P450 isoenzyme 3A4 (CYP3A4) inhibitors, moderate or strong CYP3A4 inducers.
11. Previous assignment to treatment during this study.
12. Simultaneous participation in another interventional clinical study (e.g., Phase 1 to 4 clinical studies).
13. Experienced a drug-related serious adverse event (SAE) or an adverse event (AE) which led to permanent discontinuation of study intervention during the FIONA study. 
 
Method of Generating Random Sequence   Not Applicable 
Method of Concealment   Not Applicable 
Blinding/Masking   Open Label 
Primary Outcome  
Outcome  TimePoints 
• Change in serum potassium levels from baseline to Day 540 plus or minus 7 days
• Change in systolic blood pressure from baseline to Day 540 plus or minus 7 days
• Number of participants with TEAEs  
• Change in serum potassium levels from baseline to Day 540 plus or minus 7 days
• Change in systolic blood pressure from baseline to Day 540 plus or minus 7 days
• Number of participants with TEAEs  
 
Secondary Outcome  
Outcome  TimePoints 
Change in Urinary Protein-to-Creatinine Ratio (UPCR) and Urinary Albumin-to-Creatinine Ratio (UACR) from baseline to Day 540 plus or minus 7 days.  From baseline to Day 540 plus or minus 7 days. 
Change in estimated Glomerular Filtration Rate (eGFR) from baseline to Day 540 plus or minus 7 days.   From baseline to Day 540 plus or minus 7 days 
 
Target Sample Size   Total Sample Size="100"
Sample Size from India="20" 
Final Enrollment numbers achieved (Total)= "Applicable only for Completed/Terminated trials"
Final Enrollment numbers achieved (India)="Applicable only for Completed/Terminated trials" 
Phase of Trial   Phase 3 
Date of First Enrollment (India)   20/04/2026 
Date of Study Completion (India) Applicable only for Completed/Terminated trials 
Date of First Enrollment (Global)  08/11/2022 
Date of Study Completion (Global) Applicable only for Completed/Terminated trials 
Estimated Duration of Trial   Years="3"
Months="0"
Days="0" 
Recruitment Status of Trial (Global)   Open to Recruitment 
Recruitment Status of Trial (India)  Not Yet Recruiting 
Publication Details   N/A 
Individual Participant Data (IPD) Sharing Statement

Will individual participant data (IPD) be shared publicly (including data dictionaries)?  

Response - NO
Brief Summary  

Finerenone has been demonstrated to be safe and efficacious in reducing proteinuria and decreasing the risk for renal events like kidney failure, a sustained decrease in estimated glomerular filtration rate (eGFR) of 40% or more from baseline, or renal death, as well as cardiovascular (CV) events in a high risk population of adults with Chronic Kidney Disease (CKD) and type 2 Diabetes (T2D).
FIONA-OLE Study (20186) is part of an agreed Pediatric Investigation Plan (PIP) in the condition “treatment of CKD”. Finerenone is currently being studied in pediatric patients with CKD and severely increased proteinuria despite optimized treatment with an ACEI or ARB in the 6-month double-blind, placebo-controlled FIONA study (19920). The primary aim of this study is to provide data on the long-term safety of Finerenone in the treatment of pediatric and young adult patients with CKD. In addition, further study goals are to collect data on the long-term efficacy and to offer access to Finerenone to all participants previously treated in FIONA study (19920). 

 
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