Efficacy Study of Folinic Acid to Improve Mental Development of Children With Down Syndrome
One-year Double-blind Placebo-controlled Phase 2-3 Study to Evaluate the Effect of Oral Folinic Acid Treatment (1mg/kg/d) on the Psychomotor Development of Young Down Syndrome Patients
Study Overview
Status
Status
Conditions
Conditions
Intervention / Treatment
Intervention / Treatment
Study Type
Study Type
Enrollment
Enrollment
Phase
Phase
- Phase 2
- Phase 3
Contacts and Locations
Study Locations
-
-
-
Paris, France, 75015
- Institut Jerome Lejeune
-
-
Participation Criteria
Eligibility Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Down syndrome without mosaicism
- age 3 to 30 months
- weight over 4 kg
- possible assessment by the revised Brunet-Lezine scale
Exclusion Criteria:
- history of leukemia
- West syndrome or non-stable epilepsy
- non-stable thyroxin treatment
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Double
What is the study measuring?
Primary Outcome Measures
Primary Outcome Measures
Outcome Measure |
|---|
|
Score on a psychomotor development scale after a 6 and 12 months treatment
|
Collaborators and Investigators
Sponsor
Sponsor
Collaborators
Collaborators
Investigators
Investigators
- Study Director: Henri Blehaut, M.D., Institut Jerome Lejeune
- Principal Investigator: Clotilde Mircher, MD, Institut Jerome Lejeune
Publications and helpful links
General Publications
- Botez MI, Botez T, Leveille J, Bielmann P, Cadotte M. Neuropsychological correlates of folic acid deficiency: facts and hypotheses. In: Botez MI, Reynolds EH, eds. Folic acid in neurology, psychiatry and internal medicine. New York, Raven Press, 1979:435-461.
- Lejeune J. [Pathogenesis of mental impairment in trisomy 21]. Ann Genet. 1991;34(2):55-64. French.
- Blehaut H, Mircher C, Ravel A, Conte M, de Portzamparc V, Poret G, de Kermadec FH, Rethore MO, Sturtz FG. Effect of leucovorin (folinic acid) on the developmental quotient of children with Down's syndrome (trisomy 21) and influence of thyroid status. PLoS One. 2010 Jan 11;5(1):e8394. doi: 10.1371/journal.pone.0008394.
Study record dates
Study Major Dates
Study Start
Study Start
Study Completion
Study Completion
Study Registration Dates
First Submitted
First Submitted
First Submitted That Met QC Criteria
First Submitted That Met QC Criteria
First Posted (Estimate)
First Posted
Study Record Updates
Last Update Posted (Estimate)
Last Update Posted
Last Update Submitted That Met QC Criteria
Last Update Submitted That Met QC Criteria
Last Verified
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
- Pathologic Processes
- Nervous System Diseases
- Neurologic Manifestations
- Neurobehavioral Manifestations
- Disease
- Congenital Abnormalities
- Genetic Diseases, Inborn
- Intellectual Disability
- Abnormalities, Multiple
- Chromosome Disorders
- Syndrome
- Down Syndrome
- Physiological Effects of Drugs
- Protective Agents
- Micronutrients
- Vitamins
- Antidotes
- Vitamin B Complex
- Hematinics
- Leucovorin
- Levoleucovorin
- Folic Acid
Other Study ID Numbers
Other Study ID Numbers
- IJL-FA-TH01
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