Organ transplant that requires the use of immunosuppressive treatment. Has undergone an organ transplant that requires use of immunosuppressive treatment Has undergone an organ transplant that requires use of immunosuppressive treatment Undergone an organ transplant that requires use of immunosuppressive treatment History of organ transplant that requires use of immunosuppressive medications Patients must not have organ allografts Patients with organ allografts Patients who have organ allografts. Patients who have organ allografts Prior organ allografts Any history of allografts Patients who have organ allografts Any history of organ allografts Patients with organ allografts (such as renal transplant) are excluded Participant has organ allografts Patients with organ allografts (such as renal transplant) are excluded Patients who have organ allografts Patients with organ allografts Subject has organ allografts Patients with organ allografts (such as renal transplant) are excluded Patients with organ allografts (such as renal transplant) are excluded Patients who have organ allografts Subjects with organ allografts. Subjects with organ allografts Know history of allografts (including corneal transplant). Patients with organ allografts (such as renal transplant) are excluded Patients with organ allografts (such as renal transplant) are excluded Allografts, including but not limited to liver and bone marrow transplants Subjects with organ allografts Subject has organ allografts Prior history of allografts, including, but not limited to, liver and bone marrow transplants Patients with organ allografts (such as renal transplant) are excluded Patients must not have organ allografts Patients must not have any history of organ transplant that requires use of immunosuppressives History of severe autoimmune disorders requiring use of steroids or other immunosuppressives History of organ transplant that requires use of immunosuppressives History of organ transplant that requires use of immunosuppressives History of organ transplant that requires use of immunosuppressives Patients must not have any history of organ transplant that requires use of immunosuppressives History of organ transplant that requires use of immunosuppressives History of organ transplant that requires use of immunosuppressives no immunosuppressives with 1 year Prior allogeneic or autologous bone marrow or organ transplantation that requires use of immunosuppressives History of severe autoimmune disorders requiring use of steroids or other immunosuppressives The use of any investigational medication or device in the 30 days prior to screening and throughout the study is prohibited. Use of any prohibited concomitant medications: immunotherapy, 5 alpha reductase inhibitors, spironolactone, diethystilbestrol (DES), ketoconazole, newer medications targeting ARs; NOTE: the concurrent use of all other drugs, over-the-counter medications, or alternative therapies must be documented; the principal investigator should be alerted if the patient is taking any agent that interacts with CYP450 system Patients who need to continue treatment with any prohibited medications Patients who have not completed the appropriate washout period for the prohibited medications Current use of a prohibited medication Use of any prohibited medication within the timeframes Chronic use of moderate or strong CYP3A4 modulators (inhibitor or inducer) or any other prohibited medications. A washout period of 7 days is required prior to venetoclax dosing if a prohibited medication is discontinued. Current use of a prohibited medication as described A list of prohibited medications on study are listed Current use, or up to 14 days prior use, of certain prohibited medication or requires any of these medications during treatment phase. Requiring treatment with any of the prohibited concomitant medications listed that cannot be stopped for the duration of trial participation Current use of a prohibited medication while on dabrafenib/trametinib Use of other prohibited medications within 7 days prior to cycle 1 day 1 on study (Arms B and C only) (see Appendix 1 for list of prohibited medications) Requiring treatment with any of the prohibited concomitant medications that cannot be stopped for the duration of trial participation Use of a prohibited concomitant medication that cannot be safely discontinued or substituted. Current use of a prohibited medication or requires any of these medications during treatment with the investigational drugs. This includes excluding current medications known or suspected to be associated QT prolongation. In addition, any subject who is expected to require a QT prolonging medication while on trial should not be enrolled. Unable to discontinue the use of prohibited medications Subjects taking prohibited medications with the exception of systemic corticosteroids. A washout period of at least 5 elimination half-lives (or as clinically indicated) should occur for prohibited medications prior to the start of treatment Receiving or anticipated to receive medications prohibited in the protocol. Patients receiving prohibited medications; prohibited medications or those to be used with caution (i.e., ketoconazole, itraconazole, ritonavir, macrolide antibiotics, erythromycin phenytoin, phenobarbital, carbamazapine, and valproic acid) Current or previous use of a prohibited medication as listed in the protocol; Current use of any of the prohibited drugs Subjects taking prohibited medications; a washout period of prohibited medications for a period of at least two weeks or as clinically indicated should occur prior to the start of treatment Current use of a prohibited medication Use of prohibited medications that cannot be changed to an alternative therapy Use of any prohibited concomitant medications within the prior 2 weeks Use of any prohibited concomitant medications within 7 days of registration Requiring treatment with any of the prohibited concomitant medications that cannot be stopped for the duration of trial participation Current use of a prohibited medication Current use of a prohibited medication including anticoagulants or platelet inhibitors or expected to require any of these medications during treatment with the investigational drug Treatment with prohibited medications Current use of a prohibited medication or planned use of any forbidden medications during treatment with GSK3326595. Be taking or require the use of prohibited medications Use of prohibited drugs Current use of a prohibited medication or requires any of these medications during treatment with study drug Current use of prohibited medications Current use of a prohibited medication Treatment with prohibited medications less than or equal to 14 days prior to\n treatment with rociletinib Current or planned use of prohibited meds Current use of a prohibited medication Current use of a prohibited medication or requires any of these medications during treatment with the investigational drugs (details will be available in the protocol). This includes excluding current medications known or suspected to be associated QT prolongation. In addition, any subject who may require a QT prolonging medication while on trial should not be enrolled. Current use of a prohibited medication including anticoagulants or platelet inhibitors or expected to require any of these medications during treatment with the investigational drug. Patients receiving prohibited concomitant medications at the start of the study Current use of a prohibited medication or planned use of any forbidden medications during treatment with GSK2820151. Current use of prohibited medication(s) or requirement for prohibited medications during study as per the study protocol. Use of anticoagulants such as warfarin is permitted; however, international normalization ratio (INR) must be monitored according to local institutional practice. Current use of any of the drugs (prohibited concomitant medications) Use of any prohibited concomitant medications within 30 days prior to cycle 1, day 1 Current use of a prohibited medication Use of other prohibited medications within 5 half-lives or 14 days prior to the first dose of study drugs or requires any of these medications while receiving medication on this study Current use of a prohibited medication while on dabrafenib Willing and able to discontinue prohibited concomitant medications and/or treatments for CTCL during the study Current use of a prohibited medication or requires any of these medications during treatment with lapatinib prior to study entry Any prohibited concomitant medications for therapy with afatinib or gefitinib Is on any specifically prohibited medication or requires any of these medications during treatment with pazopanib Current use of a prohibited medication or expected to require any of these medications during treatment with study treatment. Receiving, or planning to receive, any of the medications listed in the Prohibited Medications during conduct of the study Use of prohibited medications: Treatment with prohibited medications less than or equal to 14 days prior to first day of study treatment Current use of a prohibited medication or expected to require any of these medications during treatment with the investigational drug A condition that is expected to require concomitant use of any medication listed as prohibited while on study. Use of any prohibited concomitant medications (washout period of 1 week) Current use of a prohibited medication per protocol or expected to require any of these medications during treatment with study drug. The following medications are prohibited during the study:\r\n* Immunosuppressive agents (except to treat a drug-related adverse event) are prohibited during the study\r\n* Systemic corticosteroids > 10 mg daily prednisone equivalent\r\n* Any concurrent chemotherapy, hormonal therapy, immunotherapy, or investigational agents for treatment of cancer are prohibited during the study Concurrent treatment with protocol-defined prohibited medications (refer to protocol for details) Requiring treatment with any of the prohibited concomitant medications Any prohibited medication(s) or herbal preparation as described in the protocol or requires any of these medications during the study. Current use of a prohibited medication as described in the protocol. Current use of a prohibited medication Current use of a prohibited medication or herbal preparation or requires any of these medications during the study. The systemic use of the following therapies are prohibited within 28 days of first dose of study medication, or longer where indicated: Must not be on any prohibited medications. Use of any prohibited medications within 14 days of the first dose of study medication Current use of a prohibited medication or requires any of these medications during treatment with study drug. Patients who need to continue treatment with any prohibited medications Patients who have not completed the appropriate washout period for the prohibited medications Current use of a prohibited medication or requires any of these medications during treatment with GSK1120212