Table 1: Clinical Trials Evaluating Chemotherapy with or without radiotherapy in addition to surgery in Locally Advanced Esophageal and GEJ Cancer.

 

Trial

Treatment Arms

Patients (N)

Histology

GEJ tumors (%)

pCR Rate

Rate of R0 resection

Survival

Loco-regional Failure

Comments

Kelsen et al. [18]

Preop Chemo (5-FU + Cis) à Surgery

213

Adeno 54%

Epidermoid Carcinoma 46%

Included,

Number not specified

Data not available

62%

mOS: 14.9 mo

2-yr OS: 35%

32%

Preoperative chemotherapy was tolerable. No increase in operative morbidity or mortality.

Surgery

227

59%

mOS: 16.1 mo

2-yr OS: 37%

31%

RTOG 8501 [21,22]

CRT (5-FU + Cis + 50Gy radiation)

100

Adeno 16%

SCC 84%

Only patients with thoracic esophagus tumors included

NA

NA

mOS: 12.5 mo

5-yr OS: 26%

39%

Severe and life threatening side effects in 44% and 20% of patients receiving CRT vs 25% and 3% in patients who underwent XRT alone.

Radiation alone (64 Gy)

100

mOS: 8.9 mo

5-yr OS: 0%

52%

Urba et al. [20]

Preop CRT (5-FU + Cis + Vinblastine + 45Gy) à Surgery

50

Adeno 75%

SCC 25%

GEJ tumor patients included

Number not specified

Adeno: 24%

 

SCC: 38%

Gross total resection: 96%

mOS: 16.9 mo

3-yr OS: 30%

19%

Grade 3/4 hematologic toxicity 78% in multimodality arm.

Surgery

50

NA

Gross total resection: 90%

mOS: 17.6 mo

3-yr OS: 16%

42%

CROSS [23,24]

Preop CRT (Carbo + Paclitaxel +41.4 Gy) à Surgery

178

Adeno 75%

SCC 23%

Large-cell Undifferentiated Carcinoma 2%

23% among the adenocarcinoma patients had GEJ tumor

29%

92%

mOS: 49.4 mo

5-yr OS: 47%

22%

Grade 3 and 4 hematologic toxicity: 7% and 1% respectively in multimodality group.

Surgery

188

NA

69%

mOS: 24 mo

5-yr OS: 33%

38%

Walsh et al. [25]

Preop CRT (5-FU + Cis + 40Gy) à Surgery

58

Adeno 100%

38% patients with tumors of the cardia

25%

Data not available

mOS: 16 mo

3-yr OS: 32%

Data not available

-

Surgery

55

NA

mOS: 11 mo

3-yr OS: 6%

CALGB 9781 (Tepper et al.) [26]

Preop CRT (5-FU + Cis + 50.4 Gy) à Surgery

30

Adeno 75%

SCC 25%

Patients with GEJ tumor included, number not specified

40%

Data not available

mOS: 4.48 yr

5-yr OS: 39%

Data not available

Trend towards improved OS in trimodality group. Trial closed early because of poor accrual.

Surgery

26

NA

mOS: 1.79yr

5-yr OS: 16%

Burmeister et al. [28]

Preop CRT (5-FU + Cis + 35 Gy) à Surgery

128

Adeno 62%

SCC 37%

Mixed 1%

Patients with tumors of the cardia with predominant esophageal involvement were allowed but the number not stated

SCC 27%

Adeno 9%

80%

mOS: 22.2 mo

15%

16% patients developed Grade 3-4 esophagitis, other grade 3-4 toxicity <5%

Surgery

128

 

NA

59%

mOS: 19.3 mo

19%

 

FFCD 9901 [27]

Preop CRT (5-FU + Cis + 45 Gy) à Surgery

98

Only stage I and II disease included

Adeno30%

SCC 70%

Data not available

33.3%

93.8%

mOS: 31.8 mo

5-yr OS: 41.1%

15.3%

No improvement in OS or R0 resection, likely because most of the patients had stage I or IIA disease. Closed early because of futility.

Higher perioperative morbidity and mortality in trimodality group.

Surgery

97

NA

92.1%

mOS: 41.2 mo

5-yr OS: 33.8%

28.9%

POET [40]

Induction chemo à Surgery

59

Adeno only

GEJ only

2%

69.5%

mOS: 21.1 mo

3-yr OS: 27.7%

Data not available

Study closed early because of poor accrual

Chemotherapy à CRT à Surgery

60

 

15.6%

72%

mOS: 33.1 mo

3-yr OS: 47.4%

MAGIC [5]      

Preop chemo (Epirubicin + Cis + 5-FU) à Surgery à Postop chemo (same regimen)

250

All adeno

75% Gastric

14% Esophageal

11% GEJ

11%

Data not available

Data not available

5-yr OS: 36%

Data not available

Improved OS and PFS with perioperative chemotherapy

Rate of post-op complications similar between the 2 groups

Surgery

253

5-yr OS: 23%

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

pCR: Pathologic Complete Response; CRT: Chemoradiation; XRT: Radiotherapy; 5-FU: 5-fluorouracil; Cis: Cisplatin; OS: Overall Survival; SCC: Squamous Cell Carcinoma; Adeno: Adenocarcinoma; Carbo: Carboplatin; pCR: Pathologic Complete Response; GEJ: Gastroesophageal Junction.