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Cyclessa Brand names, Cyclessa Analogs

Cyclessa Brand Names Mixture

  • Marvelon 21 Tab (Desogestrel + Ethinyl Estradiol)
  • Marvelon 28 Tab (Desogestrel + Ethinyl Estradiol)
  • Ortho-Cept Tablets (21 Day) (Desogestrel + Ethinyl Estradiol)
  • Ortho-Cept Tablets (28 Day) (Desogestrel + Ethinyl Estradiol)

Cyclessa Chemical_Formula


Cyclessa RX_link

Cyclessa fda sheet

Cyclessa msds (material safety sheet)

Cyclessa Synthesis Reference

Hu QY, et al. J Am Chem Soc. 2004 May 19;126(19):5984-6.

Cyclessa Molecular Weight

310.473 g/mol

Cyclessa Melting Point

109.5 oC

Cyclessa H2O Solubility

No information avaliable

Cyclessa State


Cyclessa LogP


Cyclessa Dosage Forms


Cyclessa Indication

For the prevention of pregnancy in women who elect to use this product as a method of contraception.

Cyclessa Pharmacology

Desogestrel is used as a female contraceptive. Desogestrel is a progestin or a synthetic form of the naturally occurring female sex hormone, progesterone. In a woman's normal menstrual cycle, an egg matures and is released from the ovaries (ovulation). The ovary then produces progesterone, preventing the release of further eggs and priming the lining of the womb for a possible pregnancy. If pregnancy occurs, progesterone levels in the body remain high, maintaining the womb lining. If pregnancy does not occur, progesterone levels in the body fall, resulting in a menstrual period. Desogestrel tricks the body processes into thinking that ovulation has already occurred, by maintaining high levels of the synthetic progesterone. This prevents the release of eggs from the ovaries.

Cyclessa Absorption

Following oral administration, the relative bioavailability of desogestrel compared to a solution, as measured by serum levels of etonogestrel, is approximately 100%.

Cyclessa side effects and Toxicity

Symptoms of overdose include nausea and vaginal bleeding.

Cyclessa Patient Information

No information avaliable

Cyclessa Organisms Affected

Humans and other mammals