Clinical Research Directory

Target population: Patients with inoperable, locally advanced, or metastatic renal cell carcinoma. Inclusion Criteria: 1. Patients displaying CTCAE ≥2 mucositis during TKI, mTOR inhibitor or immunotherapy treatment. 2. Signed written informed consent obtained prior to any study specific procedures. 3. Patient must be willing and able to comply with the protocol. 4. Age ≥ 18. 5. Biopsy proven locally advanced or metastatic renal cell carcinoma. 6. Females with a negative serum pregnancy test unless childbearing potential can be otherwise excluded (postmenopausal, hysterectomy or oophorectomy) and not lactating. 7. Fertile women of childbearing potential (\<2 years after last menstruation) and men must use effective means of contraception (oral contraceptives, intrauterine contraceptive device, barrier method of contraception in conjunction with spermicidal jelly or surgical sterilization). 8. Karnofsky Performance status ≥ 60%. Exclusion Criteria: 1. Known hypersensitivity to folic acid. 2. Use of prednisolone more than 10 mg daily.