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Table 1 Trial interventions

From: Study protocol of a phase II study to evaluate safety and efficacy of neo-adjuvant pembrolizumab and radiotherapy in localized rectal cancer

Trial period

Screening Phase

Intervention Phase

Surgery Phase

Follow-up

Discontinuation

Treatment Cycle/Title:

Pre-screening

Main Study Screening

Radio-immunotherapy

Immunotherapy

Prior to surgery

Surgery

Follow-up

Baseline

Follow-up

Visits

1

2

3

4

5

6

7

8

9

10

11

12

   

Scheduling Window (Days):

-28 to -7

-7 to 0

1

2

3

4

5

22

43

64

65–85

(+ 28 days)

85 (+ 28 days)

 

At time of event

Every 12 weeks

Radiotherapy

  

R1

R2

R3

R4

R5

        

Pembrolizumab

  

C1

    

C2

C3

C4

     

Tissue collection

 

Biopsy

         

Surgical specimen

   

Immunomonitoring in blood

 

T1

  

T2

   

T3

 

T4

 

Fn

Dn

Dn + 1