Comparison RR 95% CI low ln(RR) SE p-value
Tolerability outcomes
Treatment discontinuations due to any cause Vemurafenib 1.15 0.88–1.51 0.14 0.14 0.33
Ipilimumab+DTIC 0.56 0.45-0.70 -0.58 0.11 <0.0001
Temozolomide 0.54 0.44-0.68 -0.61 0.11 <0.0001
Treatment discontinuations due to adverse events Vemurafenib 0.75 0.12–4.57 -0.29 0.92 0.76
Ipilimumab+DTIC 0.16 0.03-0.87 -1.81 0.85 0.03
Temozolomide 0.13 0.02-0.77 –2.01 0.89 0.02
Safety outcomes
General
Any adverse events Vemurafenib 0.98 0.90–1.07 -0.02 0.04 0.65
Ipilimumab+DTIC 1.01 0.93–1.09 0.01 0.04 0.80
Any serious adverse events Vemurafenib 0.60 0.33–1.09 -0.51 0.30 0.10
Any treatment-related adverse events Vemurafenib 0.88 0.73–1.05 -0.13 0.09 0.16
Any treatment-related serious adverse events Vemurafenib 0.90 0.20–4.03 -0.11 0.77 0.89
Any grade 3/4 adverse events Ipilimumab+DTIC 0.49 0.32-0.73 -0.72 0.21 0.0006
Temozolomide 0.83 0.56–1.23 -0.19 0.20 0.35
Adverse events leading to death Vemurafenib 2.65 0.11–61.66 0.97 1.60 0.54
Temozolomide 2.60 0.11–60.15 0.96 1.60 0.55
Any dose interruptions/modifications Vemurafenib 0.18 0.12-0.28 -1.71 0.22 <0.001
All grades
Anemia Vemurafenib 0.41 0.13–1.26 -0.89 0.57 0.12
Arthralgia/joint pain Vemurafenib 1.33 0.17–10.44 0.29 1.05 0.79
Constipation Vemurafenib 2.22 1.00–4.95 0.80 0.41 0.05
Ipilimumab+DTIC 0.90 0.42–1.91 -0.11 0.38 0.78
Cutaneous squamous cell carcinoma Vemurafenib 0.26 0.01–7.97 -1.35 1.75 0.44
Decreased appetite Vemurafenib 0.52 0.19–1.40 -0.65 0.50 0.20
Ipilimumab+DTIC 0.99 0.39–2.49 -0.01 0.47 0.98
Diarrhea Vemurafenib 0.59 0.25–1.39 -0.53 0.44 0.23
Ipilimumab+DTIC 0.82 0.36–1.88 -0.19 0.42 0.65
Fatigue Vemurafenib 0.90 0.50–1.60 -0.11 0.29 0.72
Ipilimumab+DTIC 0.91 0.51–1.60 -0.10 0.29 0.74
Headache Vemurafenib 1.79 0.69–4.67 0.58 0.49 0.23
Ipilimumab+DTIC 3.38 1.29-8.83 1.22 0.49 0.01
Hyperproliferative skin lesions/hyperkeratosis Vemurafenib 0.20 0.01–6.06 -1.61 1.73 0.36
Nausea Vemurafenib 0.73 0.49–1.08 -0.31 0.20 0.12
Ipilimumab+DTIC 0.54 0.37-0.79 -0.62 0.19 0.0014
Neutropenia Vemurafenib 3.20 0.51–20.12 1.16 0.94 0.22
Palmar-plantar erythrodysesthesia syndrome Vemurafenib 0.65 0.04–10.71 -0.43 1.43 0.76
Photosensitivity/phototoxicity Vemurafenib 0.05 0.01–0.19 -3.00 0.73 <0.001
Pyrexia/fever Vemurafenib 1.18 0.52–2.64 0.17 0.41 0.69
Ipilimumab+DTIC 0.58 0.26–1.29 -0.55 0.41 0.18
Rash Vemurafenib 0.67 0.03–13.44 -0.40 1.53 0.79
Ipilimumab+DTIC 6.21 0.37–104.49 1.83 1.44 0.20
Thrombocytopenia Vemurafenib 0.50 0.09–2.81 -0.69 0.88 0.43
Vomiting Vemurafenib 1.13 0.62–2.06 0.12 0.31 0.70
Ipilimumab+DTIC 0.63 0.35–1.12 -0.47 0.30 0.11
Grades 3 and 4
Anemia Temozolomide 0.10 0.01–1.23 -2.33 1.29 0.07
Arthralgia/joint pain Vemurafenib 0.48 0.02–13.05 -0.73 1.68 0.67
Cutaneous squamous cell carcinoma Vemurafenib 0.26 0.01–7.97 -1.35 1.75 0.44
Decreased appetite Ipilimumab+DTIC 0.08 0.00–2.43 -2.48 1.72 0.15
Diarrhea Vemurafenib 0.57 0.01–30.83 -0.56 2.03 0.78
Ipilimumab+DTIC 0.04 0.00–3.19 -3.10 2.18 0.15
Fatigue Vemurafenib 1.58 0.06–40.06 0.46 1.65 0.78
Ipilimumab+DTIC 0.70 0.03–15.38 -0.36 1.58 0.82
Temozolomide 1.34 0.06–29.08 0.30 1.57 0.85
Hyperproliferative skin lesions/hyperkeratosis Vemurafenib 0.29 0.01–18.49 -1.24 2.11 0.56
Leukopenia Temozolomide 0.04 0.00-0.78 -3.23 1.52 0.03
Nausea Vemurafenib 1.43 0.05–44.73 0.36 1.76 0.84
Ipilimumab+DTIC 0.71 0.02–23.80 -0.35 1.79 0.85
Temozolomide 0.96 0.04–25.40 -0.04 1.67 0.98
Neutropenia Vemurafenib 1.00 0.07–13.90 0.00 1.34 1.00
Temozolomide 0.06 0.01-0.51 -2.76 1.07 0.01
Thrombocytopenia Temozolomide 0.06 0.01-0.58 -2.86 1.17 0.01
Vomiting Vemurafenib 1.43 0.05–41.06 0.36 1.71 0.84
Ipilimumab+DTIC 0.79 0.03–20.19 -0.24 1.66 0.88
Temozolomide 0.75 0.03–17.29 -0.28 1.60 0.86
DTIC: Dacarbazine; SE: Standard Error; RR: Risk Ratio. aSafety outcomes for all grades and grades 3/4 for dabrafenibvs other interventions, were compared indirectly using a common comparator (DTIC) and based on the safety population. For outcomes in this table: December 2012 data for BREAK-3, October 2011 data for METRIC, and December 2010 data for BRIM-3 were used; text in bold specifies statistically favorable results in favor of dabrafenib; RRs <1 indicate a lower risk/incidence in favor of dabrafenib versus the comparator.
Table 5: Indirect treatment comparisons for tolerability and safety outcomes for dabrafenib versus other interventionsa.