Revisiting Tramadol: A Multi-Modal Agent for Pain Management.

Article Details

Citation

Barakat A

Revisiting Tramadol: A Multi-Modal Agent for Pain Management.

CNS Drugs. 2019 May;33(5):481-501. doi: 10.1007/s40263-019-00623-5.

PubMed ID
31004280 [ View in PubMed
]
Abstract

Tramadol-an atypical opioid analgesic-has a unique pharmacokinetic and pharmacodynamic profile, with opioidergic, noradrenergic, and serotonergic actions. Tramadol has long been used as a well-tolerated alternative to other drugs in moderate pain because of its opioidergic and monoaminergic activities. However, cumulative evidence has been gathered over the last few years that supports other likely mechanisms and uses of tramadol in pain management. Tramadol has modulatory effects on several mediators involved in pain signaling, such as voltage-gated sodium ion channels, transient receptor potential V1 channels, glutamate receptors, alpha2-adrenoceptors, adenosine receptors, and mechanisms involving substance P, calcitonin gene-related peptide, prostaglandin E2, and proinflammatory cytokines. Tramadol also modifies the crosstalk between neuronal and non-neuronal cells in peripheral and central sites. Through these molecular effects, tramadol could modulate peripheral and central neuronal hyperexcitability. Given the broad spectrum of molecular targets, tramadol as a unimodal analgesic relieves a broad range of pain types, such as postoperative, low back, and neuropathic pain and that associated with labor, osteoarthritis, fibromyalgia, and cancer. Moreover, tramadol has anxiolytic, antidepressant, and anti-shivering activities that could improve pain management outcomes. The aim of this review was to address these issues in the context of maladaptive physiological and psychological processes that are associated with different pain types.

DrugBank Data that Cites this Article

Drugs
Drug Targets
DrugTargetKindOrganismPharmacological ActionActions
TramadolAdenosine receptor A1ProteinHumans
Yes
Agonist
Details
TramadolAlpha-2 adrenergic receptors (Protein Group)Protein groupHumans
Yes
Inducer
Details
TramadolDelta-type opioid receptorProteinHumans
Unknown
Agonist
Details
TramadolKappa-type opioid receptorProteinHumans
Unknown
Agonist
Details
TramadolMu-type opioid receptorProteinHumans
Yes
Agonist
Details
TramadolMuscarinic acetylcholine receptor M1ProteinHumans
Unknown
Antagonist
Details
TramadolMuscarinic acetylcholine receptor M3ProteinHumans
Unknown
Antagonist
Details
TramadolNeurokinin 1 receptorProteinHumans
No
Inhibitor
Details
TramadolNeuronal acetylcholine receptor subunit alpha-7ProteinHumans
Unknown
Antagonist
Details
TramadolNMDA receptor (Protein Group)Protein groupHumans
Yes
Inhibitor
Details
TramadolSodium channel protein type 2 subunit alphaProteinHumans
Yes
Inhibitor
Details
TramadolSodium-dependent noradrenaline transporterProteinHumans
Yes
Inhibitor
Details
TramadolSodium-dependent serotonin transporterProteinHumans
Yes
Inhibitor
Details
TramadolTransient receptor potential cation channel subfamily V member 1ProteinHumans
No
Agonist
Details