Comparative Pharmacology
Head-to-head clinical analysis: STILBESTROL versus THEELIN.
Peer-Reviewed Evidence
Head-to-head clinical analysis: STILBESTROL versus THEELIN.
STILBESTROL vs THEELIN
Comparing the clinical profiles, pharmacokinetic behaviors, and safety indices of these two therapeutic agents.
Synthetic nonsteroidal estrogen that acts by binding to estrogen receptors (ERα and ERβ), leading to translocation to the nucleus, modulation of gene transcription, and promotion of estrogenic effects in target tissues.
Estrogen receptor agonist; binds to estrogen receptors (ERα and ERβ), modulating gene transcription and promoting estrogenic effects.
0.5 to 2 mg orally once daily; or 25 mg intramuscularly once daily for 5 days; for prostate cancer: 1 to 3 mg orally once daily.
Intramuscular: 0.22 to 1.1 mg (220 to 1100 mcg) once weekly for menopausal symptoms; 0.5 to 2 mg (500 to 2000 mcg) once weekly for prostatic carcinoma.
None Documented
None Documented
Clinical Note
moderateDiethylstilbestrol + Digoxin
"Diethylstilbestrol may decrease the cardiotoxic activities of Digoxin."
Clinical Note
moderateDiethylstilbestrol + Digitoxin
"Diethylstilbestrol may decrease the cardiotoxic activities of Digitoxin."
Clinical Note
moderateDiethylstilbestrol + Deslanoside
"Diethylstilbestrol may decrease the cardiotoxic activities of Deslanoside."
Clinical Note
moderateDiethylstilbestrol + Acetyldigitoxin
Terminal elimination half-life is approximately 24-48 hours, with a prolonged phase due to enterohepatic recirculation; requires dosing adjustment in hepatic impairment.
Terminal elimination half-life: 13–19 hours (mean 16 h); clinical context: supports once-daily dosing for estrogen replacement.
Renal excretion of glucuronide and sulfate conjugates accounts for approximately 60-80% of an administered dose; biliary/fecal excretion accounts for 15-30%; less than 5% is excreted unchanged in urine.
Renal: ~50% as glucuronide and sulfate conjugates; fecal: ~30% via enterohepatic recirculation; biliary: ~20%.
Category C
Category C
Estrogen
Estrogen
"Diethylstilbestrol may decrease the cardiotoxic activities of Acetyldigitoxin."