VAS	Visual Analogue Scale
WHO	World Health Organization
LBP	Low Back Pain
NSAID	Non-Steroidal Anti-Inflammatory Drug
CLBP	Chronic Low Back Pain
COX	Cyclooxygenase
GABAA	Gamma-Aminobutyric Acid Type A Receptor
API	Active Pharmaceutical Ingredient
EU	European Union
RCT	Randomized Controlled Trial
RoB2	Cochrane Risk of Bias 2 Tool
NOS	Newcastle-Ottawa Scale
GRADE	Grading of Recommendations, Assessment, Development, and Evaluations
ODI	Oswestry Disability Index
ODQ	Oswestry Disability Questionnaire
IM	Intramuscular
AE	Adverse Event
ITT	Intention-To-Treat
VNS	Visual Numeric Scale
MRI	Magnetic Resonance Imaging
NRS	Numerical Rating Scale
FFD	Finger-to-Floor Distance
FDC	Fixed-Dose Combination
SPID	Sum of Pain Intensity Difference
DN4	Douleur Neuropathique score
SD	Standard Deviation
CI	Confidence Interval
TEAE	Treatment-Emergent Adverse Event
MID	Minimally Important Difference
GI	Gastrointestinal
CNS	Central Nervous System