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. Author manuscript; available in PMC: 2017 Nov 13.
Published in final edited form as: AIDS. 2016 Nov 13;30(17):2571–2576. doi: 10.1097/QAD.0000000000001229

Table 1.

Current and future contraceptives containing levonorgestrel

Contraceptive Formulation Current products (levonorgestrel dosage) Products in development (levonorgestrel dosage)
Oral Pills

  • Combined oral contraceptives, co-formulated with ethinyl estradiol, multiple formulations (0.05-0.15mg)

  • Levonorgestrel-only oral contraceptive pill formulations* (0.075-0.1mg)

  • Emergency contraception (1.5mg)
Patch

  • Levonorgestrel-only patch (6.5mg and 12.5mg doses being studied), Health Decisions

  • Co-formulated with ethinyl estradiol (2.6mg), Agile Therapeutics
Vaginal Ring

  • Levonorgestrel-only ring (170mg), Bayer

  • Levonorgestrel co-formulated with tenofovir (dosage unknown), CONRAD

  • Levonorgestrel co-formulated with dapivirine (32mg and 320mg levonorgestrel), IPM

  • Levonorgestrel (potentially) co-formulated with zinc acetate, carrageenan, and an antiretroviral (dosage unknown), Population Council
Injectable

  • Levonorgestrel butanoate injection (20mg), Health Decisions
IUD

  • Levonorgestrel IUD (52mg), approved for 5 year use, Mirena® Bayer

  • Levonorgestrel IUD (52mg), currently approved for 3 year use, Liletta® Odyssea Pharma SPRL

  • Levonorgestrel IUD (13.5mg), approved for 3 year use, Skyla® Bayer

  • Levonorgestrel IUD (52mg), in clinical trials for efficacy up to 7 years, Liletta® Odyssea Pharma SPRL
Implant

  • Levonorgestrel implant (2 × 75 mg levonorgestrel rods), approved for 5 year use*, Jadelle® Bayer

  • Levonorgestrel implant (2 × 75 mg levonorgestrel rods), approved for 4 year use*, Sino-implant (II)® Shanghai Dahua Pharmaceutical Co., Ltd
*

not available in the United States