Some chemicals that exert radioprotective effects in laboratory animals

class specific chemical effective dose

(in milligrams

per kilogram

of tissue)

sulfur compounds glutathione

cysteine

cysteamine

AET* 1,000

1,000

150

350

hormones estradiolbenzoate

ACTH

12

25 for 7 days

enzyme inhibitors sodium cyanide

carbon monoxide

mercaptoethylamine (MEA)

para-aminopropiophenone (PAPP) 5

by inhalation

235

30

metabolites formic acid 90

vasoconstrictors serotonin 50

nervous system drugs amphetamine

chlorpromazine 1

20

*Aminoethylisothiuronium bromide hydrobromide.