Table 1.
Pt | Age | Sex | Stage, AJCC 8th ed. | Starting Dabrafenib (D) Dose | Starting Trametinib (T) Dose | Max tolerated dose (D,T) a | Total time (days) on combination therapy | Percentage of time on intended therapy b | Time (days) to first hold | Time (days) to first dose reduction | Reason for discontinuation | Relapse after adjuvant theraphy | Days to Relapse h | Current Status; treatment |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1 | 54 | F | IIIC | 150 mg BID | 2 mg daily | 150 mg BID, 2 mg daily | 85 | 23.2% | 27 | 32 | pyrexia, chills, elevated liver labs | No | N/A | NED/Obs |
2 | 40 | M | IIIC | 150 mg BID | 2 mg daily | 75 mg BID, 2 mg daily | 40 | 11% | 3 | 8 | pyrexia, chills, elevated liver labs | unknown | N/A | Lost to follow up |
3 | 40 | F | IIIC | 150 mg BID | 2 mg daily | 75 mg BID, 2 mg daily | 57 | 15.6% | 13 | 15 | pyrexia, chills, elevated liver labs | No | N/A | Ned/Obs |
4 | 73 | F | IIIC | 75 mg BID | 2 mg daily | 75 mg BID, 2 mg daily | 67 | 18.4% | 49 | N/A | pyrexia, chills, demand ischemia c | Yes -In scar and LN | 550 | Additional relapse, Systemic treatment |
5 | 62 | F | IIIB | 75 mg BID | 2 mg daily | 75 mg BID, 2 mg daily | 333 | 91.2% | 49 | 62 | Recurrent URI requiring holds- attributed to tobacco/pulmonary status | Yes -lung |
427 | Systemic therapy |
6 | 50 | F | IIIB | 75 mg BID | 2 mg daily | 150 mg qam 75 mg qpm, 2 mg daily | 184 | 50.4% | 18 | 22 | decrease in RV function d | No | N/A | NED/Obs |
7 | 64 | M | IIIC | 75 mg BID | 2 mg daily | 75 mg BID, 2 mg daily | 38 | 10.4% | 9 | N/A | Poor tolerance, patient preference, dilated right atrium e | No | N/A | NED/Obs |
8 | 68 | F | IIIB | 150 mg BID | 2 mg daily | Not reached | 19 | 5.2% | 5 | 10 | pyrexia, chills, elevated liver labs, thrombocytopenia, arthralgias | No | N/A | NED/Obs |
9 | 58 | M | IIIC | 150 mg BID | 2 mg daily | 150 mg qam 75 mg qhs, 2 mg daily | 365 | 100% | 55 | 67 | Completed course | Yes brain |
28 | DOD |
10 | 46 | M | IIIC | 75 mg BID | 2 mg daily | 150 mg qam 75 mg qhs, 2 mg daily | 366 | 100% | 29 | 40 | Completed course | Yes -lung and LNs |
142 | Systemic therapy |
11 | 32 | F | IIIA | 75 mg BID | 2 mg daily | 75 mg BID, 2 mg daily | 64 | 17.5% | 37 | N/A | pyrexia, diarrhea, abdominal pain | Yes -LN |
444 | NED; s/p systemic therapy and surgery |
12 | 29 | M | IIIC | 75 mg BID | 2 mg daily | 150 mg qam 75 mg qhs, 2 mg daily | 373 | 100% | 62 | N/A | Compled course | No | N/A | NED/Obs |
13 f | 43 | M | IIIC | 75 mg BID | 2 mg QOD | 75 mg BID, 2 mg QOD | 50 | 13.7% | 26 | 49 | Pyrexia, chills | No | N/A | NED/Obs |
14 | 21 | F | IIIC | 75 mg BID | 2 mg QOD | 75 mg BID, 2 mg QOD | 113 | 31% | 25 | N/A | Pyrexia, chills | No | N/A | NED/Obs |
15 | 47 | M | IIIB | 75 mg BID | 2 mg daily | 75 mg BID, 2 mg daily | 32 | 8.8% | 32 | N/A | RA and RV dilation dizziness, nausea, fatigue | No | N/A | NED/Obs |
16 f | 62 | M | IIID | 75 mg BID | 2 mg daily | 150 mg BID, 2 mg daily | 195 | 53.4% | N/A | N/A | Disease progression | Disease progression | N/A | s/p Systemic therapy/ CR |
17 | 34 | IIIC | M | 75 mg BID | 2 mg daily | 150 mg BID, 2 mg daily | 377 | 100% | N/A | N/A | Completed course; simultaneous relapse | Yes -local |
N/A | Systemic treatment for additional relapse |
18 | 38 | F | IIIB | 150 mg BID | 2 mg daily | 150 mg BID, 2 mg daily | 363 | 99.4% | 94 | 115 | Completed course | No | N/A | NED/Obs |
19 | 40 | M | IIIC | 75 mg BID | 2 mg daily | 75 mg BID, 2 mg daily | 352 g | 96.4% | 38 | N/A | Pyrexia, chills, elevated liver labs | Yes -brain |
1167 | Surgery, radiation, systemic therapy |
20 | 40 | M | IIIA | 75 mg BID | 2 mg QOD | 75 mg BID, 2 mg QOD | 383 | 100% | 60 | 138 | Completed course | No | N/A | NED/Obs |
Patients 3,4,7,9,17,18,19, and 20 did not have CLND.
N/A, Not Applicable.
Max tolerated dose: Stable on dose for 14 days without adverse events.
Intended therapy: one year of combination therapy at any doses; Percentage of time on intended therapy: number of days on combination therapy out of 365 days 100% is maximum.
Demand ischemia secondary to pyrexia and chills.
RV function normalized on repeat imaging off medication.
Initial determination of right atrium dilation was found to be unchanged from baseline after review by a second provider.
BID, twice daily; NED, no evidence of disease; Obs., close observation; D + T, dabrafenib and trametinib; RA, right atria; RV, right ventricle.
Received adjuvant radiation.
includes 45 day hold required for elevated liver enzymes.
Days to relapse = time relapse first occurred from day of last dose of adjuvant therapy.