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Note: This record shows only 22 elements of the WHO Trial Registration Data Set. To view changes that have been made to the source record, or for additional information about this trial, click on the URL below to go to the source record in the primary register.
Register: ClinicalTrials.gov
Last refreshed on: 16 May 2022
Main ID:  NCT02012114
Date of registration: 11/12/2012
Prospective Registration: No
Primary sponsor: Hospices Civils de Lyon
Public title: A Cohort of Patients With Cystinosis : Compliance to Cysteamine and Neurological Complications Crystobs
Scientific title: A Cohort of Patients With Cystinosis : Compliance to Cysteamine and Neurological Complications
Date of first enrolment: December 2011
Target sample size: 65
Recruitment status: Completed
URL:  https://clinicaltrials.gov/show/NCT02012114
Study type:  Interventional
Study design:  Allocation: N/A. Intervention model: Single Group Assignment. Primary purpose: Other. Masking: None (Open Label).  
Phase:  N/A
Countries of recruitment
France
Contacts
Name:     Cochat Pierre, PUPH
Address: 
Telephone:
Email:
Affiliation:  Hospices Civils de Lyon
Key inclusion & exclusion criteria

- Male and female subjects with confirmed diagnosis of nephropathic cystinosis (defined
by clinical signs and WBC cystine level).

- Age > 4 years.

- Subjects receiving any oral cysteamine treatment: Cystagon or RP103.

- Sexually active female subjects of childbearing potential must agree to utilize the
same acceptable form of contraception from day 1 through completion of the study.

- Subjects or their parent or legal guardian must provide written informed consent prior
to participation in the study.

- Subjects covered by or having the right to social security.

Exclusion Criteria:

- Subjects with known hypersensitivity to cysteamine and penicillamine.

- Females who are nursing, planning a pregnancy, known or suspected to be pregnant, or
with a positive urinary pregnancy test.

- Subjects who, in the opinion of the Investigator, are not able or willing to comply
with the protocol.

- Contra-indication to MRI assessment

CONTROLS FOR METABONOMIC ASSESSMENTS

Inclusion Criteria:

- Age and sex matched to study population: Age range: patients aged 4 to 5 years, 6 to 11
years, patients aged 12 to 17 years, adult patients: 18 or above.

Sex: male or female

- Subjects or their parent or legal guardian must provide written informed consent prior
to participation in the study.

- Subjects covered by or having the right to social security.

Exclusion Criteria:

- Any uropathology or nephropathology.

CONTROLS FOR NMRS ASSESSMENTS

Inclusion Criteria:

- Age and sex matched to study population: Age range: patients aged 4 to 5 years, 6 to 11
years, patients aged 12 to 17 years, adult patients: 18 or above.

Sex: male or female

- Subjects or their parent or legal guardian must provide written informed consent prior
to participation in the study.

- Subjects covered by or having the right to social security.

Exclusion Criteria:

- Any uropathology or nephropathology.

- Any neurological and/or psychiatric disorder

- Contra-indication to MRI assessment.



Age minimum: 4 Years
Age maximum: N/A
Gender: All
Health Condition(s) or Problem(s) studied
Cystinosis
Intervention(s)
Other: Cysteamine bitartrate
Primary Outcome(s)
WBC cystine levels [Time Frame: Day1and every three months : Month1, Month3, Month6, Month9, Month12, Month15, Month18, Month21 and Month24.]
Secondary Outcome(s)
Memory and visuoperceptual tests repeated during the study [Time Frame: at Day 1 and two years]
concentration of cysteamine in blood (measured by toxicological HPLC analysis with fluorescence detection) [Time Frame: at Day1 and every 3 months : month1, month3, month6, month9, month12, month15, month18, month21, month24]
Presence or absence and accountability of cystine crystals. [Time Frame: Every 6 month : Month1, Month6, Month12, Month18, Month24]
Concentration effect, dose effect model. [Time Frame: at month 6]
Concentration of cysteamine in the CSF, associated to a measurement of the CSF pressure [Time Frame: at any visit]
discrimination of urine and blood samples,from metabolic spectroscopic data obtained by nuclear magnetic resonance. [Time Frame: Every 3 months during 6 months and every 6 months to month 6 until two years]
presence or absence of cystine accumulation, determination of the sites of cystine accumulation in the CNS and relationship with the compliance to cysteamine treatment, relationship with neuropsychological status. [Time Frame: at Month 1 and two years]
Secondary ID(s)
2010-605
Source(s) of Monetary Support
Please refer to primary and secondary sponsors
Secondary Sponsor(s)
Ethics review
Results
Results available:
Date Posted:
Date Completed:
URL:
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