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Table 4 BNCT clinical trials using epithermal neutron beams for patients with recurrent or untreated unresectable head and neck cancer

From: Current status of boron neutron capture therapy of high grade gliomas and recurrent head and neck cancer

Medical institution

Neutron source

Treatment dates

Tumor type & No. of patients

Boron compounda

Clinical outcome

Ref.

Osaka University, Oral & Maxillofacial Surgery II, Osaka, Japan

KURR (Kyoto University Research Reactor, Osaka, Japan) or JRR-4, Japan Atomic Energy Agency, Tokai Research Establishment, Ibaraki, Japan

2001-2007

26 rH&N

BSH 5 g & BPA 250 mg/kg in 1 h Or BPA 250–500 mg/kg in 1–2 h

MeST: 7.9 mos. post BNCT

[5, 6], This Paper

     

PR: 39%

 
     

CR: 46%

 
     

2 & 4 y OS: 37%,

 
     

6 y OS: 32%

 

Osaka Medical College, Osaka, Japan

KURR

2005-2008

6 rOC

BPA 500 mg/kg (200 mg/kg h × 2 h; 100 mg/kg h × ~1 h during irradiation)

PR: 67%

[113115]

     

CR: 17%

 

Kyoto University Research Reactor Institute (KURRI), Kyoto University, Osaka, Japan

KURR

2001-2007

49 rH&N

BSH & BPA 250–500 mg/kg

PR: 29%, CR: 28%

[116, 117] This paper

   

13 urH&N

   
     

MeST: 10.1 mos. (n = 53)

 
     

2 y OS: 24%

 

Kawasaki Medical School, Kurashiki, Japan

KURR or JRR-4

2003-2007

10 rSqCC

BPA 500 mg/kg (200 mg/kg h × 2 h; 100 mg/kg h × ~1 h during irradiation)

PR: 35%

[4, 118, 119]

   

7 rnSqCC

   
   

3 nSqCC

 

CR: 55%

 
     

2 y OS: 32.3%

 
 

JRR-4

2005-2008

10 H&N MM

BPA 500 mg/kg

PR: 50%

[120]

     

CR: 40%

 

Helsinki University Central Hospital, Helsinki, Finland

FiR-1, VTT Technical Research Centre, Espoo, Finland

2003-2008

24 rSqCC

BPA 400 mg/kg in 2 h

PR: 31%

[7]

     

CR: 45%

 
   

6 rnSqCC

   
     

MeST: 13 mos. post BNCT

 
     

2 y OS: 30%

 
  

2010

1 ur PDC

BPA 400 mg/kg in 2 h

CR: 1/1

[121]

    

BNCT + Chemo-RT (IMRT + SRT) with cetuximab and cisplatin

  

Taipei Veterans General Hospital, Taipei, Taiwan

THOR, National Tsing Hua University, Hsinchu, Taiwan

2010-2011

10 rH&N

BPA ~450 mg/kg (180 mg/kg h × 2 h; 90 mg/kg h × ~1 h during irradiation)

PR: 40%

[122, 123]

     

CR: 30%

 
  1. aThis column also indicates treatment in cases of multi-modality treatment.
  2. Abbreviations: rH&N recurrent head and neck cancer, rOC recurrent oral cancer, ur unresectable, rSqCC recurrent squamous cell carcinoma, rnSqCC recurrent non-squamous cell carcinoma, nSCC non-squamous cell carcinoma (naïve), H&N MM mucosal melanoma of the head and neck, PDC poorly differentiated carcinoma, XRT external beam radiation therapy (photons), IMRT intensity modulated radiation therapy, SRT stereotactic radiation therapy, PR partial response, CR complete response, 2 y OS 2-year overall survival, MeST median survival time, given in months.