What does ED50 stand for?

Median Effective Dose (produces desired effect in 50% percent of population)

This definition appears very rarely

Other Resources:

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Ectodermal Dysplasia 1 (antibody) Environmental Design Year One Evil Dead 2 (movie) Second Year Environmental Design eDonkey2000 (peer to peer network) Third Year Environmental Design Effective Dose at 35% Estimation of Defects Based on Defect Decay Model Ek-Duniya for Grassroots (OneWorld South Asia initiative) Error Detection by Data Diversity and Duplicated Instructions		Early Departure Authorized Early Development Association (Tokyo, Japan) Easy Data Access (computing) Eating Disorders Anonymous Eating Disorders Association (UK) École de Danse Aubagnaise (French dance school) École des Avocats (French: Law School) Économat des Armées (French: Commissary of the Army) Economic Decision Analysis Economic Development Administration

Samples in periodicals archive:

The new data showed continued improvement in the in vivo potency of siRNA delivered by lipid nanoparticles (LNPs), where the median effective dose (ED50) for gene silencing was achieved at microgram/kilogram dose levels.

Alnylam Presents New Pre-Clinical Data on RNAi Therapeutics at ...