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AMR Vocabulary

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Term Definition
MAA

Marketing authorization application

mAb

Monoclonal antibody

MAD

Multiple ascending dose

MBL

Metallo-β-lactamase

MBO/MBI

Management buy-out, or buy-in

MDR

(Multidrug-Resistant): Acquired non-susceptibility to at least one agent in three or more antimicrobial categories. This marks a significant step up from UDR, meaning that standard first-line empiric choices may fail and treatment will require moving to alternative or broader-spectrum agents.

MDRO

Multi-drug-resistant organism

MIC

Minimum inhibitory concentration

micro-ITT

Microbiologic intent-to-treat

MITT

Modified intent-to-treat

MMDS

Model-based medical decision support

MOA

Mode of action

MRL

Maximum residue level

MRSA

(Methicillin-Resistant Staphylococcus aureus): A specific strain of staph bacteria that has developed resistance to all core beta-lactam antibiotics, including methicillin, oxacillin, penicillin, and amoxicillin. It represents a widespread, high-priority pathogen that bypasses standard first-line staphylococcal treatments, often requiring specialized non-beta-lactam therapies like vancomycin.

MRSP

Methicillin resistant Staphylococcus pseudintermedius

MSIS

Norwegian Surveillance System for Communicable Disease

MSSA

Methicillin-susceptible Staphylococcus aureus

MTF

Multilateral Trading Facility (‘stock exchange’)

MTV/HTA

Health technology assessment (HTA) is the process by which health systems evaluate whether new medicines, devices, and other interventions offer good value for money. Sometimes also referred to as HEOR (Health Economics Outcome & Research)

MVP

Minimum Viable Product (rapid prototyping)