TACE and conformal radiotherapy vs. TACE alone for hepatocellular carcinoma: A randomised controlled trial
Résumé
Background & aims: Transcatheter arterial chemoembolisation (TACE) is recommended for patients with hepatocellular carcinoma devoid of macrovascular invasion or extrahepatic spread but not eligible for curative therapies. We compared the efficacy and safety of the combination of a single TACE and external conformal radiotherapy (CRT) vs. classical TACE.Methods: TACERTE was an open-labelled, randomised controlled trial with a 1:1 allocation rate to two or three TACE (arm A) or one TACE + CRT (arm B). Participants had a mean age of 70 years, and 86% were male. The aetiology was alcohol in 85%. The primary endpoint was liver progression-free survival (PFS) in the intention-to-treat population. The typical CRT schedule was 54 Gy in 18 sessions of 3 Gy.Results: Of the 120 participants randomised, 64 were in arm A and 56 in arm B; 100 participants underwent the planned schedule and defined the 'per-protocol' group. In intention-to-treat participants, the liver PFS at 12 and 18 months were 59% and 19% in arm A and 61% and 36% in arm B (hazard ratio [HR] 0.69; 95% CI 0.40-1.18; p = 0.17), respectively. In the per-protocol population, treated liver PFS tended to be better in arm B (HR 0.61; 95% CI 0.34-1.06; p = 0.081) than in arm A. Liver-related grade III-IV adverse events were more frequent in arm B than in arm A. Median overall survival reached 30 months (95% CI 23-35) in arm A and 22 months (95% CI 15.7-26.2) in arm B.Conclusions: Although TACE + CRT tended to improve local control, this first Western randomised controlled trial showed that the combined strategy failed to increase PFS or overall survival and led more frequently to liver-related adverse effects.Impact and implications: Hepatocellular carcinoma is frequently treated by arterial embolisation of the tumour and more recently by external radiotherapy. We tried to determine whether combination of the two treatments (irradiation after embolisation) might produce interesting results. Our results in this prospective randomised study were not able to demonstrate a beneficial effect of combining embolisation and irradiation in these patients. On the contrary, we observed more adverse effects with the combined treatment.
Mots clés
3-DCRT
three-dimensional conformal radiotherapy
AE
adverse event
ALBI
albumin–bilirubin
BCLC
Barcelona Clinic Liver Cancer
CRT
conformal radiotherapy
CT
computed tomography
CTV
clinical tumour volume
Conformal external radiotherapy
ECOG
Eastern Cooperative Oncology Group
HCC
hepatocellular carcinoma
HR
hazard ratio
Hepatocellular carcinoma
ITT
intention-to-treat
OS
overall survival
PFS
progression-free survival
PS
propensity score
RILD
radio-induced liver disease
SBRT
stereotaxic body radiation therapy
TACE
transcatheter arterial chemoembolisation
TTP
time to tumour progression
mRECIST
modified Response Evaluation Criteria in Solid Tumour
Domaines
Médecine humaine et pathologie| Origine | Fichiers éditeurs autorisés sur une archive ouverte |
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