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MFNS

Organon and Co · Phase 3 active Small molecule

MFNS is a progestin (megestrol acetate formulation) that acts as a synthetic progesterone receptor agonist to suppress appetite and promote weight gain in cachectic patients.

MFNS is a progestin (megestrol acetate formulation) that acts as a synthetic progesterone receptor agonist to suppress appetite and promote weight gain in cachectic patients. Used for Cancer cachexia and anorexia, Weight loss and appetite stimulation in advanced malignancy.

At a glance

Generic nameMFNS
Also known asSCH 32088, Nasonex
SponsorOrganon and Co
Drug classProgestin; appetite stimulant
TargetProgesterone receptor (PR)
ModalitySmall molecule
Therapeutic areaOncology; Palliative care
PhasePhase 3

Mechanism of action

Megestrol acetate binds to progesterone receptors in the hypothalamus and other central nervous system regions, modulating appetite regulation and metabolic pathways. This leads to increased appetite stimulation and caloric intake, with secondary effects on lean body mass preservation and weight stabilization in patients with cancer cachexia or other wasting conditions.

Approved indications

Common side effects

Key clinical trials

Primary sources

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