Efficacy of RAD001/Everolimus in Autism and NeuroPsychological Deficits in Children With Tuberous Sclerosis Complex (RAPIT)
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Purpose
Tuberous sclerosis complex (TSC) is a genetic disease that leads to mental retardation in over 50% of patients, and to learning problems, behavioral problems, autism and epilepsy in up to 90% of patients. The underlying deficit of TSC, loss of inhibition of the mammalian target of rapamycin (mTOR) protein due to dysfunction of the tuberin/hamartin protein complex, can be rescued by everolimus. Everolimus has been registered as treatment for renal cell carcinoma and giant cell astrocytoma (SEGA). Evidence in human and animal studies suggests that mTOR inhibitors improve learning and development in patients with TSC.
| Condition | Intervention | Phase |
|---|---|---|
|
Tuberous Sclerosis Complex TSC Related Cognitive Disability TSC Related Autism TSC Related Learning Problems |
Drug: Everolimus Drug: Placebo |
Phase 2 Phase 3 |
| Study Type: | Interventional |
| Study Design: | Allocation: Randomized Endpoint Classification: Efficacy Study Intervention Model: Parallel Assignment Masking: Double Blind (Subject, Caregiver, Investigator, Outcomes Assessor) Primary Purpose: Treatment |
| Official Title: | Efficacy of RAD001/Everolimus in Autism and NeuroPsychological Deficits in Children With Tuberous Sclerosis Complex |
- Cognitive ability measured by IQ [ Time Frame: 12 months ] [ Designated as safety issue: No ]Assessed by Wechsler scales: Wechsler Preschool and Primary Scale of Intelligence (WPPSI-III NL) and Wechsler Intelligence Scale for Children (WISC-III-NL)
- Autistic features [ Time Frame: 12 Months ] [ Designated as safety issue: No ]Assessed by Autism Diagnostic Observation Schedule (ADOS)
- Social and communicational skills [ Time Frame: 12 Months ] [ Designated as safety issue: No ]Assessed by social responsiveness scale (SRS) and Dutch Children's Communication Checklist (CCC-2-NL) questionnaires
- Working memory and attention, information processing [ Time Frame: 6 and 12 Months ] [ Designated as safety issue: No ]Assessed by Cambridge Neuropsychological Test Automated Battery (CANTAB)
- Visual-motor integration [ Time Frame: 12 Months ] [ Designated as safety issue: No ]Assessed by BEERY Visual-Motor Integration (BEERY VMI), grooved pegboard
- Child behavior [ Time Frame: 12 Months ] [ Designated as safety issue: No ]Assessed by Child Behavior Checklist (CBCL) and Teacher's Report Form (TRF) questionnaires
- Executive functioning [ Time Frame: 12 Months ] [ Designated as safety issue: No ]Assessed by Behavior Rating Inventory of Executive Functioning (BRIEF) questionnaire Dutch version
- Sleeping problems [ Time Frame: 12 Months ] [ Designated as safety issue: No ]Assessed by Sleep Disturbance Scale for Children (SDSC) questionnaire
- Child health [ Time Frame: 12 Months ] [ Designated as safety issue: No ]Assessed by Child Health Questionnaire Parent Form (CHQ-PF50) questionnaire
- Sensory related difficulties [ Time Frame: 12 Months ] [ Designated as safety issue: No ]Assessed by Short Sensory Profile (SSP) questionnaire
- Epilepsy [ Time Frame: 12 Months ] [ Designated as safety issue: No ]
Comparison of epilepsy frequency during month previous to study start and last month of trial participation.
EEG abnormalities
- School level [ Time Frame: 12 Months ] [ Designated as safety issue: No ]Assessed by the school CITO (centraal instituut voor toetsontwikkeling) scores or reading and arithmetic scores
- Pharmacokinetics [ Time Frame: 12 Months ] [ Designated as safety issue: Yes ]Assessed by measuring trough levels of everolimus
- Safety [ Time Frame: 12 Months ] [ Designated as safety issue: Yes ]Levels of and abnormalities in blood control values
| Estimated Enrollment: | 60 |
| Study Start Date: | November 2012 |
| Estimated Study Completion Date: | November 2016 |
| Estimated Primary Completion Date: | November 2015 (Final data collection date for primary outcome measure) |
| Arms | Assigned Interventions |
|---|---|
|
Experimental: Everolimus
Everolimus once daily for 1 year, titration to trough levels of 5-10 ng/ml
|
Drug: Everolimus
Everolimus once daily titrated to trough levels of 5-10 ng/ml.
Other Names:
|
|
Placebo Comparator: Placebo
Placebo treatment for 1 year. Tablets will be identical to everolimus tablets.
|
Drug: Placebo |
Detailed Description:
Randomized double-blind placebo controlled intervention study in children with TSC between age 4 and 15 years with an intelligence quotient (IQ) estimated <80 and/or special schooling and/or autism spectrum disorder and/or learning disability requiring remedial teaching.
Patients are randomised to receive everolimus or placebo during a period of 12 months.
Eligibility| Ages Eligible for Study: | 4 Years to 15 Years |
| Genders Eligible for Study: | Both |
| Accepts Healthy Volunteers: | No |
Inclusion Criteria:
- Children with a definite diagnosis of TSC between 4 and 15 years.
- With an IQ estimated <80 and/or special schooling and/or autism spectrum disorder and/or learning disability requiring remedial teaching.
- Written informed consent by parents/care-takers, and the patient if he or she is 12 years or older and cognitively able to consent.
- In girls after menarche, appropriate contraception must be used or abstinence practiced.
Exclusion Criteria:
- Hepatic dysfunction
- Surgery <6wk
- Current infection at time of inclusion
- Developmental age estimated below 3.5 years
- Intractable epilepsy with more than 1 seizure/week
- Inability to comply with the treatment protocol
Additional diseases or disorders that may influence the endpoints, including:
- SEGA requiring treatment
- Uncontrolled diabetes mellitus
- Known impaired lung function
- Allergy for any of the components of the study medication
- Prior treatment with mTOR inhibitors
- HIV seropositivity
- Bleeding diathesis or oral anti-vitamin K medication
- Serum creatinine > 1.5 x ULN
- Uncontrolled hyperlipidemia (fasting serum cholesterol > 7.75 mmol/L, fasting serum triglycerides > 2.5 x ULN)
- Use of investigational drug within 30 days prior to inclusion
- History of myocardial infarction, angina or stroke related to atherosclerosis, organ transplantation, malignancy in the past 2 years
- Pregnancy or breastfeeding
- Children at risk for Hepatitis B (HB), unless hepatitis B serology is normal. Risk groups are children who have lived in Asia, Africa, Central and South America, Eastern Europe, Spain, Portugal, and Greece, children with known or suspected past or current hepatitis B infection, current or prior IV illicit drug use, current or prior dialysis, household contact with hepatitis B infected patient(s), current or prior high-risk sexual activity, body piercing or tattoos, mother known to have hepatitis B history. If vaccinated, presence of HBs Ab is normal.
- Known or suspected hepatitis C infection, unless hepatitis C serology is normal.
Contacts and Locations| Contact: M.C.Y. de Wit, MD. PhD. | +31 10 703 6956 | tubereuzesclerose@erasmusmc.nl |
| Netherlands | |
| Erasmus Medical Center | Recruiting |
| Rotterdam, Netherlands | |
| Contact: M.C.Y. de Wit, MD. PhD. +31 10 703 6956 tubereuzesclerose@erasmusmc.nl | |
| Principal Investigator: M.C.Y. de Wit, MD. PhD. | |
| Sub-Investigator: I.E. Overwater, MSc | |
| Principal Investigator: | M.C.Y. de Wit, MD. PhD. | Erasmus Medical Center Rotterdam |
More Information
Additional Information:
No publications provided
| Responsible Party: | M.C.Y. de Wit, MD PhD, Pediatric Neurologist, Erasmus Medical Center |
| ClinicalTrials.gov Identifier: | NCT01730209 History of Changes |
| Other Study ID Numbers: | NL38619.078.11 |
| Study First Received: | October 26, 2012 |
| Last Updated: | March 25, 2013 |
| Health Authority: | Netherlands: Medical Ethics Review Committee (METC) |
Keywords provided by Erasmus Medical Center:
|
Tuberous Sclerosis Complex TSC Autism Learning problems Everolimus |
RAD001 Treatment Cognition Intellectual disability |
Additional relevant MeSH terms:
|
Sclerosis Tuberous Sclerosis Autistic Disorder Child Development Disorders, Pervasive Mental Disorders Diagnosed in Childhood Mental Disorders Pathologic Processes Hamartoma Neoplasms Malformations of Cortical Development Nervous System Malformations Nervous System Diseases Neurocutaneous Syndromes Heredodegenerative Disorders, Nervous System Neurodegenerative Diseases |
Congenital Abnormalities Genetic Diseases, Inborn Everolimus Sirolimus Immunosuppressive Agents Immunologic Factors Physiological Effects of Drugs Pharmacologic Actions Antibiotics, Antineoplastic Antineoplastic Agents Therapeutic Uses Antifungal Agents Anti-Infective Agents Anti-Bacterial Agents |
ClinicalTrials.gov processed this record on June 18, 2013