Table 1 International Myeloma Working Group (IMWG) best response (ITT population)

From: Addition of cyclophosphamide on insufficient response to pomalidomide and dexamethasone: results of the phase II PERSPECTIVE Multiple Myeloma trial

Response

Overall (n = λ 59)

Best response cycle 1–3 or before addition of CY (n = 59)

Best response under POM + CY + DEX (n = 36)

Best response under POM + CY + DEX according to response at start CY

Minimal response at start CY (n = 5)

Stable disease at start CY (n = 15)

Progressive disease at start CY (n = 16)

Objective response rate (≥PR), n (%)

23 (39.0%)

11 (18.6%)

13 (36.1%)

4 (80.0%)

5 (33.3%)

4 (25.0%)

Partial response, n (%)

14 (23.7%)

9 (15.2%)

8 (22.2%)

3 (60.0%)

2 (13.3%)

3 (18.8%)

Very good partial response, n (%)

7 (11.9%)

2 (3.4%)

3 (8.3%)

1 (20.0%)

1 (6.7%)

1 (6.2%)

Complete response, n (%)

2 (3.4%)

0 (0%)

2 (5.6%)

0

2 (13.3%)

0

Minimal response, n (%)

16 (27.1%)

12 (20.3%)

10 (27.8%)

1 (20.0%)

4 (26.7%)

5 (31.2%)

Stable disease, n (%)

13 (22.0%)

23 (39.0%)

12 (33.3%)

0

6 (40.0%)

6 (37.5%)

Progressive disease, n (%)

5 (8.5%)

11 (18.6%)

0

0

0

0

Early deatha, n (%)

2 (3.4%)

2 (3.4%)

1 (2.8%)

0

0

1 (6.2%)

  1. PR partial response, POM pomalidomide, CY cyclophosphamide, DEXdexamethasone aTwo patients were not available for response due to early death and counted as non-responder