Patient description: The patient is a 35-year-old woman with myasthenia gravis, class IIa. She complains of diplopia and fatigue and weakness that affects mainly her upper limbs. She had a positive anti-AChR antibody test, and her single fiber electromyography (SFEMG) was positive. She takes pyridostigmine 60 mg three times a day. But she still has some symptoms that interfere with her job. She is a research coordinator and has 3 children. Her 70-year-old father has hypertension. She does not smoke or use illicit drugs. She drinks alcohol occasionally at social events. Her physical exam and lab studies were not remarkable for any other abnormalities. BP: 110/75 Hgb: 11 g/dl WBC: 8000 /mm3 Plt: 300000 /ml Creatinine: 0.5 mg/dl BUN: 10 mg/dl Beta hcg: negative for pregnancy

Clinical trial eligibility criteria: eligible ages (years): 18.0-85.0,  Pruritus Patients w/ histologically confirmed mycosis fungoides stage IB to IVA eligible to receive oral vorinostat Patients w/ stage IB to IV reporting pruritus Patients age 18-85 years, of any race, sex, and ethnicity Life expectancy > 24 weeks Patient must have performance status of ≤2 on the ECOG Performance Scale Patients w/ a min. of 3 weeks since their last systemic treatment Women who are not pregnant, lactating, or of childbearing potential Female patients w/ reproductive potential must use an adequate contraceptive method during treatment and for three months after completing treatment Male patient w/ reproductive potential, agrees to use an adequate method of contraception for the duration of the study and for 30 days beyond the duration of study Patients, or legal representative must to be willing to adhere to the protocol, and sign an Informed Patient Consent Form prior to entry into the study  Patients w/ a recent cardiac history, such as a myocardial infarct within the last year, uncontrolled angina, severe uncontrolled ventricular arrhythmias, clinically significant pericardial disease, or electrocardiographic evidence of acute ischemic or active conduction system abnormalities Patients w/ a history of liver damage (2.5 x normal ALT, AST), leukopenia, or thrombocytopenia Women who are pregnant or nursing a child Patients w/ severe emotional, behavioral or psychiatric problems that, in the opinion of the investigator, would result in poor compliance with the treatment regimen Patients who have received and histone deacetylase inhibitor within the last 6 months Patients receiving valproic acid will be excluded unless there has been a wash-out period of 30 or more days Patients who will have received systemic therapy, radiation therapy or phototherapy within 3 weeks prior to initial dosing with study drugs or who has not recovered from adverse events due to agents administered more than 3 weeks earlier QTc prolongation greater than 500ms Patient w/ a "currently active" second malignancy, other than non-melanoma skin cancer and carcinoma in situ of the cervix, should not be enrolled Patients are not considered to have a "currently active" malignancy if they have completed therapy for a prior malignancy, are disease free from prior malignancies for >5 years or are considered by their physician to be at less than 30% risk of relapse