Dose Response Study of Nitisinone in Alkaptonuria
SONIA1
An International, Multicentre, Randomised, Open-label, No-treatment Controlled, Parallel-group, Dose-response Study to Investigate the Effect of Once Daily Nitisinone on 24-hour Urinary Homogentisic Acid Excretion in Patients With Alkaptonuria After 4 Weeks Treatment.
1 other identifier
interventional
40
1 country
1
Brief Summary
SONIA 1 is an international, multicentre, randomised, open-label, no-treatment controlled, parallel group, dose-response study to investigate the effect of once daily nitisinone on 24-hour urinary homogentisic acid excretion in patients with alkaptonuria after 4-weeks treatment. They study will identify the optimal dose to decrease urine homogentisic acid to near normal levels.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P25-P50 for phase_2
Started May 2013
Shorter than P25 for phase_2
1 active site
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
First Submitted
Initial submission to the registry
April 5, 2013
CompletedFirst Posted
Study publicly available on registry
April 10, 2013
CompletedStudy Start
First participant enrolled
May 1, 2013
CompletedPrimary Completion
Last participant's last visit for primary outcome
October 1, 2013
CompletedStudy Completion
Last participant's last visit for all outcomes
December 1, 2013
CompletedJune 11, 2014
June 1, 2014
5 months
April 5, 2013
June 10, 2014
Conditions
Outcome Measures
Primary Outcomes (1)
dose of nitisinone that decreases urinary homogentisic acid to near normal
4 weeks
Study Arms (5)
no treatment
NO INTERVENTIONcomparrator
Nitisinone 1mg
EXPERIMENTALinterventional
Nitisinone 2mg
EXPERIMENTALinterventional
Nitisinone 4mg
EXPERIMENTALinterventional
Nitisinone 8mg
EXPERIMENTALinterventional
Interventions
doses 1, 2, 4 \& 8 mg plus no treatment arm
Eligibility Criteria
You may qualify if:
- A subject must fulfil the following criteria in order to be included in the study:
- Diagnosis of alkaptonuria verified by documented elevated urinary homogentisic acid excretion.
- Age ≥18 years.
- Willing and able to visit the investigational site for study visits.
- Signed written informed consent obtained.
You may not qualify if:
- Non-alkaptonuria causes of ochronosis.
- Currently pregnant or lactating.
- Known allergy to nitisinone or any of the constituents of the investigational product.
- Use of a protein-restricted diet
- Dietary habits or use of homeopathic therapies that interfere with tyrosine catabolism.
- Current keratopathy, contact lens use or uncontrolled glaucoma.
- Current malignancy.
- Uncontrolled hypertension (blood pressure greater than 180 systolic or greater than 95 diastolic).
- Electrocardiogram changes indicative of myocardial infarction, arrhythmia, tachycardia, bradycardia, left bundle branch block.
- Chest radiographic abnormalities, including an infiltrative, mass, congestive heart failure, embolism, atelectasis.
- Serum potassium \< 3.0 mmol/L.
- eGFR \< 60 mL/min.
- Any hepatic enzymes greater than 3 x upper limit of normal.
- Haemoglobin \< 10.0 g/dL.
- Platelets less than 100 x 109/L.
- +7 more criteria
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Royal Liverpool Hospital
Liverpool, Merseyside, L7 8XP, United Kingdom
Related Publications (2)
Milan AM, Hughes AT, Davison AS, Khedr M, Rovensky J, Psarelli EE, Cox TF, Rhodes NP, Gallagher JA, Ranganath LR. Quantification of the flux of tyrosine pathway metabolites during nitisinone treatment of Alkaptonuria. Sci Rep. 2019 Jul 11;9(1):10024. doi: 10.1038/s41598-019-46033-x.
PMID: 31296884DERIVEDRanganath LR, Milan AM, Hughes AT, Dutton JJ, Fitzgerald R, Briggs MC, Bygott H, Psarelli EE, Cox TF, Gallagher JA, Jarvis JC, van Kan C, Hall AK, Laan D, Olsson B, Szamosi J, Rudebeck M, Kullenberg T, Cronlund A, Svensson L, Junestrand C, Ayoob H, Timmis OG, Sireau N, Le Quan Sang KH, Genovese F, Braconi D, Santucci A, Nemethova M, Zatkova A, McCaffrey J, Christensen P, Ross G, Imrich R, Rovensky J. Suitability Of Nitisinone In Alkaptonuria 1 (SONIA 1): an international, multicentre, randomised, open-label, no-treatment controlled, parallel-group, dose-response study to investigate the effect of once daily nitisinone on 24-h urinary homogentisic acid excretion in patients with alkaptonuria after 4 weeks of treatment. Ann Rheum Dis. 2016 Feb;75(2):362-7. doi: 10.1136/annrheumdis-2014-206033. Epub 2014 Dec 4.
PMID: 25475116DERIVED
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
L Ranganath
Royal Liverpool & Broadgreen University Hospitals NHS Truts
Study Design
- Study Type
- interventional
- Phase
- phase 2
- Allocation
- RANDOMIZED
- Masking
- NONE
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- OTHER
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- Consultant in Metabolic medicine
Study Record Dates
First Submitted
April 5, 2013
First Posted
April 10, 2013
Study Start
May 1, 2013
Primary Completion
October 1, 2013
Study Completion
December 1, 2013
Last Updated
June 11, 2014
Record last verified: 2014-06