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Tramadol HCl/Acetaminophen IR

Janssen Korea, Ltd., Korea · Phase 3 active Small molecule

Tramadol HCl/Acetaminophen IR is a combination of a centrally acting opioid analgesic and a non-opioid analgesic that works by affecting the central nervous system to relieve pain.

Tramadol HCl/Acetaminophen IR is a combination of a centrally acting opioid analgesic and a non-opioid analgesic that works by affecting the central nervous system to relieve pain. Used for Moderate to moderately severe pain, Severe pain.

At a glance

Generic nameTramadol HCl/Acetaminophen IR
Also known asUltracet
SponsorJanssen Korea, Ltd., Korea
Drug classOpioid agonist and non-opioid analgesic combination
Targetmu-opioid receptor
ModalitySmall molecule
Therapeutic areaPain management
PhasePhase 3

Mechanism of action

Tramadol HCl, an opioid agonist, binds to mu-opioid receptors in the brain, while acetaminophen, a non-opioid analgesic, works by inhibiting the production of prostaglandins, which are chemicals that cause pain and inflammation.

Approved indications

Common side effects

Key clinical trials

Primary sources

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SourceUsed for
ClinicalTrials.govTrial enrolment, design, endpoints, results