Apilimod for use in the treatment of melanoma

1. A method for treating melanoma in a subject in need thereof, the method comprising administering to the subject a pharmaceutical composition comprising a therapeutically effective amount of apilimod, or a pharmaceutically acceptable salt thereof, and vemurafenib in a single dosage form with the apilimod, or in a separate dosage form.

2. The method of claim 1 , wherein the apilimod is apilimod dimesylate.

3. The method of claim 1 , wherein the composition is an oral dosage form or a dosage form suitable for intravenous administration.

4. The method of claim 1 , wherein the melanoma is a metastatic or malignant melanoma.

5. A method for treating melanoma in a human subject in need thereof, the method comprising assaying a biological sample of the subject's cancer for one or more mutations in the BRAF protein selected from V600E BRAF and V600K BRAF, or the genetic equivalents thereof, identifying the subject having either of these mutations as a patient for treatment with a combination therapy comprising apilimod and vemurafenib, and administering a combination therapy comprising apilimod and vemurafenib to the subject.

6. The method of claim 1 , wherein the melanoma is refractory or non-responsive.

7. The method of claim 1 , wherein the vemurafenib is administered in a separate dosage form from the apilimod.

8. A method for treating melanoma in a human subject in need thereof, the method comprising administering to the subject apilimod, or a pharmaceutically acceptable salt thereof, and vemurafenib.

9. The method of claim 8 , wherein the vemurafenib is administered in a separate dosage form from the apilimod.

10. The method of claim 8 , further comprising determining the presence of one or more of a V600E BRAF protein mutation and a V600K BRAF protein mutation in a biological sample of the subject's cancer.

11. The method of claim 8 , wherein the apilimod is apilimod dimesylate.