Saturday, July 11, 2026

Drug profile · INN

levacetylmethadol

levacetylmethadol (ORLAAM) is a mu opioid receptor agonist.

EMA: withdrawn Nervous system (N02) N02AC
Patents linked 0
Pipeline programs 2
News articles 0
Drug details — levacetylmethadol
Class
Nervous system (N02)
Route
Patents
0
Programs
2
Data quality
0.83

Quick answer

levacetylmethadol (ORLAAM) is a mu opioid receptor agonist.

Key facts

INN levacetylmethadol
Brand ORLAAM
Mechanism Mu opioid receptor agonist
Target Mu-type opioid receptor
Therapeutic class Nervous system (N02)
ATC code N02AC

Mechanism of action

Mu opioid receptor agonist

Primary target: Mu-type opioid receptor

Approval history

Authority Status Date
EMA withdrawn

Pipeline programs

  1. LAAM Phase 2 · BRIGHT MINDS BIOSCIENCES · Behavior Therapy
  2. LAAM Phase 2 · BRIGHT MINDS BIOSCIENCES · Opioid-Related Disorders

Related & competitor drugs

  1. alvimopan Mu opioid receptor antagonist
  2. aripiprazole Nervous system (N05)
  3. brexpiprazole Nervous system (N05)
  4. brivaracetam Nervous system (N03)
  5. bupivacaine Nervous system (N01)
  6. buprenorphine Nervous system (N07)

Frequently asked questions

What is levacetylmethadol?

levacetylmethadol (ORLAAM) is a mu opioid receptor agonist.

What is the brand name for levacetylmethadol?

ORLAAM is a marketed brand name for levacetylmethadol. Check FDA Drugs@FDA for the current US label holder and prescribing information.