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Memantine in Adult Autism Spectrum Disorder

Memantine in Adult Autism Spectrum Disorder

Status
Terminated
Phases
NA
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT01078844
Enrollment
4
Registered
2010-03-02
Start date
2010-02-28
Completion date
2010-07-31
Last updated
2017-07-26

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Asperger's Disorder, Autism, Pervasive Developmental Disorder NOS

Keywords

Autism, Asperger's Disorder, Pervasive Developmental Disorder NOS, Adult, Memantine

Brief summary

The purpose of this study is to see if memantine is helpful in managing problematic symptoms in adults with autism, Asperger's disorder, or Pervasive Developmental Disorder not otherwise specified (NOS).

Interventions

DRUGmemantine

memantine 5-20 mg daily

DRUGPlacebo

Look-alike placebo

Sponsors

Forest Laboratories
CollaboratorINDUSTRY
Johns Hopkins University
Lead SponsorOTHER

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
QUADRUPLE (Subject, Caregiver, Investigator, Outcomes Assessor)

Eligibility

Sex/Gender
ALL
Age
18 Years to 85 Years
Healthy volunteers
No

Inclusion criteria

* Participant is currently in treatment in the Johns Hopkins Bayview Medical Center (JHBMC) * Participant has a diagnosis of: * Autistic Disorder * Asperger's Disorder * Pervasive Developmental Disorder (PDD) NOS * Participant meets one of the following criteria: * CGI-S \>= 4 (CGI-S: \_\_\_\_\_\_\_\_) * Participant has the following problematic behaviors (at least one) that might be expected to benefit from memantine: 1. \_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_ 2. \_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_ 3. \_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_

Exclusion criteria

The patient meets none of the following criteria (mark if absent): * Active seizures (Patients with a history of seizures, who have been seizure-free on an antiepileptic regimen for six months or more would be eligible). * Rett's Syndrome or Childhood Disintegrative Disorder * Active treatment with an acetylcholinesterase inhibitor * Prior or current treatment with memantine * Current treatment with lamotrigine * Genetic, metabolic or degenerative disorder (excepting Fragile X). * Brain malformation or known severe brain trauma * Pregnancy or breastfeeding * Glomerular Filtration Rate (GFR) \< 30 mL/min

Design outcomes

Primary

MeasureTime frame
Clinical Global Impression-Scale(CGI-S)12 weeks

Countries

United States

Participant flow

Pre-assignment details

4 participants were enrolled in this study. It was terminated prematurely and the P.I. was never un-blinded. In an attempt to enter the information which was obtained within the confines of the system, all enrollment information and baseline characteristics have been entered into the experimental arm.

Participants by arm

ArmCount
All Participants
Treatment as usual plus memantine memantine: memantine 5-20 mg daily OR Treatment as usual plus Placebo
4
Total4

Baseline characteristics

CharacteristicAll Participants
Age, Customized
Age, years (18-85
4 Participants
Region of Enrollment
United States
4 participants
Sex: Female, Male
Female
2 Participants
Sex: Female, Male
Male
2 Participants

Adverse events

Event typeEG000
affected / at risk
deaths
Total, all-cause mortality
0 / 4
other
Total, other adverse events
0 / 4
serious
Total, serious adverse events
0 / 4

Outcome results

Primary

Clinical Global Impression-Scale(CGI-S)

Time frame: 12 weeks

Population: This study was terminated prematurely and data was not collected for this outcome measure.

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026