Study of NMDA Antagonists and Neuropathic Pain (NMDA)
Neuropathic Pain
About this trial
This is an interventional treatment trial for Neuropathic Pain focused on measuring NMDA (N-Methyl-D-Aspartate) antagonists, ketamine, memantine, dextromethorphan, Neuropathic pain
Eligibility Criteria
Inclusion Criteria:
- > 18 years old
- patient suffering chronic neuropathic pain
- All chronic pain is retained except central or diabetic pain
- Answering patient at ketamine in pain treatment by investigator, and having already received ketamine
- Patient who completed before ketamine the following evaluation :
DN4, QCD, QDSA, PGIC questionnaires, HAD scale, Leed's sleep evaluation and SF36.
- Patient who completed at the end of treatment the following evaluation : numerical scale and PGIC
- Sufficient cooperation and understanding to comply to the requirements of study
- Acceptance to give a written concert
- Affiliation at system of French social security
- Inscription or acceptation of inscription at national register of voluntaries participant at research
Exclusion Criteria:
- Against-indication at memantine or dextromethorphan administration : hypersensitivity at active substance or excipients, hypertension, antecedent cerebrovascular accident, severe cardiac insufficiency
- Patient with medical or surgical antecedents
- Patient with progressive disease at balance of inclusion
- Patient treated by an IMAO
- Woman in childbearing age not using effective contraceptive method, pregnant or lactating woman
- Patient who participated in another clinical trial, located in exclusion period or received benefits > 4500 euros during 12 months before the beginning of trial
- Patient with cooperation and understanding insufficiency to comply to the requirements of protocol
- Patient with social protection
- No affiliation at system of French social security
Sites / Locations
- CHU Clermont-Ferrand
Arms of the Study
Arm 1
Arm 2
Arm 3
Experimental
Experimental
Placebo Comparator
memantine
dextromethorphan
placebo
The aim of this study is to evaluate if memantine or dextromethorphan gave in relay to ketamine maintains or induces a decrease of pain intensity
The aim of this study is to evaluate if memantine or dextromethorphan gave in relay to ketamine maintains or induces a decrease of pain intensity
The aim of this study is to evaluate if memantine or dextromethorphan gave in relay to ketamine maintains or induces a decrease of pain intensity