Table 2.
Author, year of publication | N | Type of study | Patient characteristics | Tissue used | Targets interrogated | Technology used | Median turnaround time (TAT) in weeks | Success rate (all proposed tests carried out) (%) | Frequency of at least one genetic alteration (%) | Treated with a matched- targeted agent (%) |
---|---|---|---|---|---|---|---|---|---|---|
Metastatic malignancies | ||||||||||
Von Hoff et al. 2010 [2] | 86 | Prospective multi-institutional trial with central laboratory | Refractory metastatic cancers | Mandatory fresh biopsy | 11 proteins 51 genes | IHC, FISH, Gene expression microarray | NR | 98 | 98 | 77 |
Tsimberidou et al. 2011 [3]* | 955 | Prospective single institution trial | Refractory metastatic cancers | NR | NR | PCR, IHC, FISH | NR | 89 | 41.5 | 19 |
Non-small-cell lung cancer | ||||||||||
Kris, 2010 [5]* | 301 | Prospective single institution trial | Adenocarcinoma | Previously obtained tissue | EGFR, KRAS, BRAF, HER2, PIK3CA, MEK1 AKT1, ALK | PCR-based direct sequencing and Sequenoma, FISH | NR | 92 | 58 | 17 |
Ortiz et al. 2011 [6]* | 226 | Prospective single institution trial | Non-squamous NSCLC | NR | EGFR, KRAS, BRAF, PIK3CA, HER2, ALK | PCR-based direct sequencing, FISH | 4 | 89 | 54 | 14 |
Sequist et al. 2011 [4] | 589 | Retrospective single institution experience | NSCLC | NR | AKT1, APC, BRAF, CTNNB1, EGFR, ERBB2, FLT3, IDH1, JAK2, KIT, KRAS, NOTCH1, NRAS, PIK3CA, PTEN, TP53, ALK | SNaPshotb, FISH | 2.8 (range 1.0–8.9 weeks) | 95 | 51 | 22c |
Kim et al. 2011 [7] | 255 | Prospective single-institution-randomized trial | Advanced pre-treated NSCLC | Mandatory fresh biopsy | EGFR,KRAS, BRAF, Cyclin D1, VEGF, VEGFR-2, RXRs α, β, γ | PCR-based direct sequencing, FISH, IHC | <2 | NR | 84 | 93 |
*Abstract only.
aSequenom: a multiplexed mass spectrometry-based assay.
bSNaPshot: multiplexed PCR-based assay.
c78 (22%) of the 353 patients with advanced disease were candidates for targeted therapy.
N, number of patients; PCR, polymerase chain reaction; NSCLC, non-small-cell carcinoma; NR, not reported.