Polydiethylstilbestrol phosphate

Polydiethylstilbestrol phosphate (PSP, PDSP) is an estrogen medication which has been used in scientific research and has been studied for use in veterinary medicine as a livestock growth promoter.[1][2][3][4][5][6] It is a phosphate ester of diethylstilbestrol (DES) in the form of a polymer and is a polymeric form of fosfestrol (diethylstilbestrol diphosphate); PDSP acts as a long-lasting prodrug of DES.[1] It has similarities to polyestradiol phosphate and polyestriol phosphate.[1]

Polydiethylstilbestrol phosphate
Clinical data
Other namesPSP; PDSP; Diethylstilbestrol polymer with phosphoric acid; (E)-4,4'-(1,2-Diethyl-1,2-ethenediyl)bis(phenol) polymer with phosphoric acid
Routes of
administration		Intramuscular injection
Drug classEstrogen; Nonsteroidal estrogen; Estrogen ester
Identifiers
CAS Number
Chemical and physical data
Formula(C18H19O4P)n

See also

References
  1. Diczfalusy E, Fernö H, Fex B, Högberg B, Kneip P (1959). "High Molecular Weight Enzyme Inhibitors. IV. Polymeric Phosphates of Synthetic Estrogens" (PDF). Acta Chem. Scand. 13 (5): 1011–1018.
  2. Bengtsson G, Ullberg S, Perklev T (August 1963). "Autoradiographic Distribution Studies after Administration of a Macromolecular Synthetic Oestrogen (14C-Polydiethylstilboestrol Phosphate)". Acta Endocrinol. 43: 571–80. doi:10.1530/acta.0.0430571. PMID 14059878.
  3. Perklev T (November 1964). "Distribution and Excretion of Radioactivity after Parenteral Administration of Radioactive Polydiethylstilbestrol Phosphate to Rats and a Cow". Proc. Soc. Exp. Biol. Med. 117: 394–8. doi:10.3181/00379727-117-29590. PMID 14233451.
  4. Perklev T, Gassner FX, Martin RP, Huseby RA, Shimoda W (1965). "Excretion of radioactivity by human subjects after ingestion of liver from cattle treated with labeled polydiethylstilbestrol phosphate". Proc. Soc. Exp. Biol. Med. 119 (4): 996–8. doi:10.3181/00379727-119-30359. PMID 5891085.
  5. Perklev T, Gassner FX, Hopwood ML (September 1967). "Distribution and excretion of 14C-labeled polydiethylstilbestrol phosphate in a steer". J. Anim. Sci. 26 (5): 1094–100. doi:10.2527/jas1967.2651094x. PMID 6077168.
  6. Loew FM (October 1972). "The veterinarian and intensive livestock production: humane considerations". Can. Vet. J. 13 (10): 229–33. PMC 1695928. PMID 4562986.


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