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Medroxyprogesterone acetate (brand names Depo-Provera, Provera, Depo-subQ Provera 104) [4] – 150 mg (intramuscularly) or 104 mg (subcutaneously) every 3 months [3] Norethisterone enanthate (brand names NET EN, Noristerat, Norigest, Doryxas) [5] – 200 mg (intramuscularly) every 2 months [3]
Insulin glargine, for example, is designed to precipitate after injection so it can be slowly absorbed by the body over a longer period than regular insulin would be. [13] Depot injections of insulins have been studied to better replicate the body's natural basal rate of insulin production, and which can be activated by light to control the ...
DMPA, under brand names such as Depo-Provera and Depo-SubQ Provera 104, is used in hormonal birth control as a long-lasting progestogen-only injectable contraceptive to prevent pregnancy in women. [ 38 ] [ 39 ] It is given by intramuscular or subcutaneous injection and forms a long-lasting depot , from which it is slowly released over a period ...
Depot MPA (DMPA) and EC/MPA were developed by Upjohn in the 1960s. [12] [13] DMPA (brand name Depo-Provera) was introduced for use as a progestogen-only injectable contraceptive for the first time outside of the United States in 1969 and was subsequently approved for use in birth control in the United States in 1992.
[1] [4] [5] Methylprednisolone acetate was previously suspended with polyethylene glycol but is no longer formulated with this excipient due to concerns about possible toxicity. [6] [8] Depo methylprednisolone acetate is a depot injection and is absorbed slowly with a duration of weeks to months with a single intramuscular injection. [5]
Methods that require regular action by the user—such as taking a pill every day—have typical failure rates higher than perfect-use failure rates. Contraceptive Technology reports a typical failure rate of 3% per year for the injection Depo-Provera, and 8% per year for most other user-dependent hormonal methods. [10]
For reference, testosterone enanthate has an elimination half-life of 4.5 days and a mean residence time of 8.5 days and requires frequent administration of approximately once per week. [21] Large fluctuations in testosterone levels result with it, with levels initially being elevated and supraphysiological. [21]
[48] [51] [49] About 5 to 10% of women experience negative mood changes with combined birth control pills, and about 5% of women discontinue birth control pills due to such changes. [ 52 ] [ 48 ] A study of about 4,000 women found that progestogen-only birth control with depot medroxyprogesterone acetate had an incidence of depression of 1.5% ...