Table 4. Previous chemotherapy (paraprotein type and response to “DD Protocol”) of nine patients with stage II multiple myeloma.

Number of patients	Previous chemotherapy courses	Paraprotein type and response to DD protocol
1	26 MP + 17 VBMCP	IgG – PR
1	10 VAD	IgG – CR
1	6 VAD	λ urine – CR
1	4 COMP + 1 VBMCP	κ – CR
2	6 COMP + 5 MP	IgG – CR, PD
3	None	κ – CR, IgG – CR, IgA – PR

M = melphalan, P = prednisone, V or O = vincristine, B = bleomycin, C = cyclophosphamide, A = adriamycin, D = dexamethasone, IgG = myeloma immunoglobulin G type, IgA = myeloma immunoglobulin A type, λ = myeloma lambda type, κ = myeloma kappa type, PR = partial response, CR = complete response, PD = progressive disease.