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. Author manuscript; available in PMC: 2013 Mar 6.
Published in final edited form as: Lancet Neurol. 2008 Aug;7(8):742–755. doi: 10.1016/S1474-4422(08)70165-0

Table 5.

Summary of ongoing registered clinical trials of NMDAR-based therapies in neurological diseases.

NMDAR-Based Drug Neurological Disease Primary Outcomes Identifier
NMDAR Antagonists Amantadine PD • Effect on dyskinesias in PD vs PLC UMIN000000780
• Effect on levodopa-induced dyskinesia vs PLC NCT00632762

FTLD • Efficacy in FTLD vs PLC NCT00127114

Dextromethorphan Rett syndrome • Effect on EEG abnormalities vs PLC NCT00593957
• Effect on EEG abnormalities vs DNP NCT00069550

Ketamine CRPS • Pain relief vs PLC NCT00579085

Cancer NeP • Pain relief with standard management vs standard management alone ISRCTN49116945
• Pain relief with opioids vs opioids alone NCT00484484
• Intranasal ketamine for pain vs PLC NCT00492388
• Subcutaneous ketamine for pain vs PLC ACTRN12607000501448

Chronic post-op NeP • Effect on pain after major back surgery vs PLC NCT00618423
• Effect on pain after thoracotomy vs PLC NCT00313378
• Effect on pain after mastectomy vs PLC NCT00129597

Memantine AD • Effect on MRS parameters in mild to moderate AD vs DNP NCT00505167
• Effect on MRS parameters with DNP, RIV or GAL NCT00551161
• Effect on behaviour in severe AD NCT00401167
• Effect on agitation in moderate to severe AD NCT00371059
• Effect on agitation and ADLs vs neuroleptic ISRCTN68407918
• Efficacy in moderate to severe AD (MMT vs DNP vs MMT+DNP) ISRCTN49545035

FTLD • Effect on FDG-PET parameters NCT00594737
• Efficacy in FTLD vs PLC NCT00200538, NCT00545974

DLB/PDD • Effect on cognition in PDD vs PLC NCT00294554
• Efficacy in DLB and PDD vs PLC NCT00630500, ISRCTN89624516

PD • Effect on non-motor symptoms vs PLC NCT00646204

HD • Effect on cognition and behaviour in HD NCT00652457

TBI • Effect on cognition vs PLC NCT00462228

ALS • Efficacy in ALS with various doses NCT00409721
• Efficacy in ALS vs PLC NCT00353665

Neramexane AD • Efficacy in moderate to severe AD vs PLC NCT00090116

Drugs with Multiple MOAs Dimebon AD • Efficacy in mild to moderate AD vs PLC NCT00377715

HD • Efficacy in HD vs PLC NCT00497159

Riluzole ALS • Decline in respiratory function with arundic acid vs with PLC NCT00403104

MS • Effect on MRI parameters combined with Avonex in CIS NCT00501943

Glycine Site Agonist D-Cycloserine Schizophrenia • Effect on antipsychotic-resistant symptoms UMIN000000468

Autism • Safety and efficacy in children with autism vs PLC NCT00198120
• Efficacy as add-on to aripiprazole NCT00198107

EAAT Upregulator Ceftriaxone ALS • Efficacy in ALS vs PLC NCT00349622

Signalling Protein Modulators Bryostatin-1 AD • Efficacy in mild to moderate AD vs PLC NCT00606164

Nefiracetam AD • Efficacy in mild to moderate AD vs PLC NCT00001933

AD=Alzheimer’s disease. ALS=amyotrophic lateral sclerosis. CIS=clinically isolated syndrome. CRPS=Complex regional pain syndrome. DLB=dementia with Lewy bodies. DNP=donepezil. EAAT=excitatory amino acid transporter. FTLD=frontotemporal lobar degeneration. HD=Huntington’s disease. MOAs=mechanisms of action. MS=multiple sclerosis. NeP=neuropathic pain. PD=Parkinson’s disease. PDD=Parkinson’s disease dementia. PLC=placebo. TBI=traumatic brain injury.