A Pharmacokinetics (PK) and Safety Study to Determine the Effect of Repeat Dosing of Trametinib on Combined Oral Contraceptive (Norethindrone Plus Ethinyl Estradiol) in Female Subjects With Solid Tumors

Each tablet will contain GSK1120212B equivalent to 0.5 mg of Trametinib. Tablets are yellow, oval, biconvex, film-coated (4.85 x 8.86 millimeter \[mm\]) to be taken orally and once daily

Each tablet will contain GSK1120212B equivalent to 2 mg Trametinib. Tablets are pink, round, biconvex and film-coated tablets (7.5 mm in diameter) to be taken orally and once daily.

Each peach tablet will contain 1 mg of NE and 0.035 mg of EE. Other inactive ingredients will include lactose, magnesium stearate and pregelatinized corn starch

Each green tablet will contain only inert ingredients: D\&C yellow No. 10 Aluminum Lake, FD\&C Blue No. 2 Aluminum Lake, lactose, magnesium stearate, microcrystalline cellulose, and pregelatinized cornstarch. The tablets are to be taken orally and once daily