Use of thymosin alpha 1 for preparing a medicament for the treatment of stage IV malignant melanoma

1. A method of treating stage IV malignant melanoma classified as M1a, M1b or M1c, consisting of administering: thymosin alpha 1 in a dose of 3.2 mg/day/s.c., in combination with an effective amount of dacarbazine, to a human with said stage IV malignant melanoma.

2. Method according to claim 1 , in which dacarbazine is administered in a dose from 500 to 1100 mg/m 2 /day/i.v.

3. Method according to claim 1 , in which dacarbazine is administered in a dose of 800 mg/m 2 /day/i.v.

4. Method according to claim 1 , in which the human to be treated has a normal serum level of LDH.

5. A method of treating a stage IV malignant melanoma, consisting of administering thymosin alpha 1 in a dose of 3.2 mg/day/s.c. in combination with an effective amount of dacarbazine, to a human with stage IV malignant melanoma M1a, M1b or M1c.

6. The method of claim 5 , wherein the malignant melanoma is classified as M1a, M1b or M1c.

7. The method of claim 5 , in which dacarbazine is administered in a dose from 500 to 1100 mg/m 2 /day/i.v.

8. The method of claim 5 , in which dacarbazine is administered in a dose of 800 mg/m 2 /day/i.v.

9. A method of treating malignant melanoma in a human with stage IV malignant melanoma classified as M1a, M1b or M1c, consisting of administering a synergistic combination of thymosin alpha 1 and dacarbazine to a human in need thereof, wherein said combination is administered according to a protocol in which the dacarbazine is administered in a dose of 800 mg/m 2 /day/i.v. on day 1 thereof and the thymosin alpha 1 is administered in a dose of 3.2 mg/day/s.c. about one week and about two weeks thereafter.

10. The method of claim 5 , in which the human to be treated has a normal serum level of LDH.

11. Method according to claim 9 , in which the human to be treated has a normal serum level of LDH.