Analysis of information sources in references of the Wikipedia article "Algestone acetophenide" in English language version.
Two additional monthly, combined injectable methods warrant mention. Deladroxate (commercially labelled as Perlutan, Topasel, Agurin, Horprotal and Uno-Ciclo in various countries), is a combination of 150 mg dihydroxyprogesterone acetophenide and 10 mg estradiol enanthate, and is available in many Latin American countries and Spain. The method is highly effective, without a single pregnancy reported in large clinical trials (Koetsawang 1994). Although available since the 1960s, the method has not been studied as extensively as Cyclofem or Mesigyna. The original manufacturer withdrew support due to toxicological concerns with dihydroxyprogesterone acetophenide, and clinical evaluations continue to be published. A recent dose-finding trial compared the standard available dose of 150/10 with a lower dose of 90/6, and concluded the lower dose was equally effective (Coutinho et al., 1997).
In the US, Squibb Pharmaceutical Company withdrew Deladroxate from clinical testing in the late 1960s because of concerns over (1) breast tumors in beagle dogs, (2) pituitary hyperplasia in rats, and (3) possible accumulation of estradiol enanthate in the body with continued use (89, 98, 243). Subsequently, however, questions have been raised about whether such animal findings are applicable to humans. Research suggests that the adverse effects of Deladroxate on animals may occur only with doses higher than the equivalent of a contraceptive dose (2, 62, 82, 121, 272).
17α-Hydroxyprogesterone caproate is a depot progestogen which is entirely free of side actions. The dose required to induce secretory changes in primed endometrium is about 250 mg. per menstrual cycle.
Subsequently another formulation of 150 mg of dihydroxyprogesterone acetophenide (DHPA) with 10 mg estradiol enanthate (E2-EN) was tested in the 1960s3-6.
Algestone acetophenide, Alphasone acetophenide, Bovitrol, Deladroxone, Dihydroxyprogesterone acetophenide, Droxone, Neolutin depositum, SQ 15101 U Progestin, spermatogenesis inhibitor
The results showed that after injection the concentration of plasma MA increased rapidly. The meantime of peak plasma MA level was 3rd day, there was a linear relationship between log of plasma MA concentration and time (day) after administration in all subjects, elimination phase half-life t1/2β = 14.35 ± 9.1 days.
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