| E.1 Medical condition or disease under investigation | 
| E.1.1 | Medical condition(s) being investigated  | 
| Adverse effects of radiotherapy for pelvic cancer. | 
 
 
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| E.1.1.1 | Medical condition in easily understood language  | 
| Adverse effects of radiotherapy for pelvic cancer. | 
 
 
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| E.1.1.2 | Therapeutic area  | Diseases [C] - Cancer [C04] | 
| MedDRA Classification | 
| E.1.3 | Condition being studied is a rare disease  |  No  | 
| E.2 Objective of the trial | 
| E.2.1 | Main objective of the trial  | 
| To test the benefits of oral Tocovid SupraBio (tocotrienols) with pentoxifylline (PTX) in patients suffering chronic gastrointestinal adverse effects following curative pelvic radiotherapy for cancer. | 
 
 
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| E.2.2 | Secondary objectives of the trial  | 
 | 
| E.2.3 | Trial contains a sub-study  |  No  | 
| E.3 | Principal inclusion criteria  | 
i) Age over 18 years. ii) Past history of a malignant pelvic neoplasm (T1-4 N0-2 M0) of the rectum, prostate, testis, bladder, uterine cervix, uterus, vagina, anal canal or ovary. iii) A minimum 12 months follow-up post-radiotherapy (24 months for patients with past history of stage T4 and/or N2 disease). iv) A maximum 7 years post-radiotherapy. v) No evidence of cancer recurrence. vi) Gastrointestinal symptoms attributable to prior radiotherapy: grade 2 or higher in any CTCAE Version 4 category, or grade 1 with difficult intermittent symptoms.  vii) Symptoms are not relieved by appropriate life-style advice and medication over a 3-month period. viii) Physical and psychological fitness for Tocovid SupraBio+PTX therapy. ix) Written informed consent and availability for follow up. x) Willingness to keep to a specified level of dietary fat intake during the study. | 
 
 
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| E.4 | Principal exclusion criteria | 
i) Surgery for rectal cancer. ii) Contra-indication or other inability to undergo magnetic resonance imaging, if required to rule out malignancy. iii) Dietary supplementation containing alpha-tocopherol above a daily dose of 30mg at any time during the last three months. iv) Medication with pentoxifylline at any time since radiotherapy. v) Pregnancy or breast feeding. vi) Ischaemic heart disease, uncontrolled hypertension, hypotension, acute myocardial infarction, cerebral haemorrhage, retinal haemorrhage, renal failure, liver failure and medication with insulin, ketorolac or vitamin K. vii) Allergy to soya.  | 
 
 
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| E.5 End points | 
| E.5.1 | Primary end point(s) | 
| Change at 12 months in the bowel disease subset of the Modified IBDQ Quality of Life questionnaire.  | 
 
 
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| E.5.1.1 | Timepoint(s) of evaluation of this end point | 
| Patients will be asked to complete a copy of the Modified IBDQ Quality of Life questionnaire pre-treatment (baseline) + 3, 6, 9, 12, 15, 18, 21 and 24 months post-randomisation. | 
 
 
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| E.5.2 | Secondary end point(s) | 
i) Change at 12 months in rectal IBDQ bleeding score between the two groups in those patients presenting with grade 2, 3 or 4 bleeding. ii) Change at 12 months in IBDQ faecal incontinence score between the two groups in those patients presenting with grade 1 or greater incontinence. iii) Proportion of items graded as marked or severe (grade 3 or 4). iv) Physician assessment of rectal dysfunction using the modified CTCAE Version 4 grading. v) Patient self-assessments: QLQ–C30 and CR29 and the Gastrointestinal Symptom Rating Scale. vi) Photographic assessments of rectal mucosa.  vii) Serum fibrosis marker levels. 
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| E.5.2.1 | Timepoint(s) of evaluation of this end point | 
Patients will be asked to complete self-assessment questionnaires pre-treatment (baseline) + 3, 6, 9, 12, 15, 18, 21 and 24 months post-randomisation. Physician assessments and flexible sigmoidoscopy will be undertaken pre-treatment (baseline) + 12 and 24 months post-randomisation. Blood samples will be taken pre-treatment (baseline) + 3, 6, 9, 12, 18 and 24 months post-randomisation. 
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| E.6 and E.7 Scope of the trial | 
| E.6 | Scope of the trial | 
| E.6.1 | Diagnosis |  No  | 
| E.6.2 | Prophylaxis |  No  | 
| E.6.3 | Therapy |  No  | 
| E.6.4 | Safety |  No  | 
| E.6.5 | Efficacy |  Yes  | 
| E.6.6 | Pharmacokinetic |  No  | 
| E.6.7 | Pharmacodynamic |  No  | 
| E.6.8 | Bioequivalence |  No  | 
| E.6.9 | Dose response |  No  | 
| E.6.10 | Pharmacogenetic |  No  | 
| E.6.11 | Pharmacogenomic |  No  | 
| E.6.12 | Pharmacoeconomic |  No  | 
| E.6.13 | Others |  No  | 
| E.7 | Trial type and phase | 
| E.7.1 | Human pharmacology (Phase I) |  No  | 
| E.7.1.1 | First administration to humans |  No  | 
| E.7.1.2 | Bioequivalence study |  No  | 
| E.7.1.3 | Other |  No  | 
| E.7.1.3.1 | Other trial type description |  | 
| E.7.2 | Therapeutic exploratory (Phase II) |  Yes  | 
| E.7.3 | Therapeutic confirmatory (Phase III) |  No  | 
| E.7.4 | Therapeutic use (Phase IV) |  No  | 
| E.8 Design of the trial | 
| E.8.1 | Controlled |  Yes  | 
| E.8.1.1 | Randomised |  Yes  | 
| E.8.1.2 | Open |  No  | 
| E.8.1.3 | Single blind |  No  | 
| E.8.1.4 | Double blind  |  Yes  | 
| E.8.1.5 | Parallel group |  No  | 
| E.8.1.6 | Cross over  |  No  | 
| E.8.1.7 | Other |  No  | 
| E.8.2 |  Comparator of controlled trial | 
| E.8.2.1 | Other medicinal product(s) |  No  | 
| E.8.2.2 | Placebo  |  Yes  | 
| E.8.2.3 | Other |  No  | 
| E.8.2.4 | Number of treatment arms in the trial | 2 | 
| E.8.3 | 
                                The trial involves single site in the Member State concerned
                             |  Yes  | 
| E.8.4 |  The trial involves multiple sites in the Member State concerned  |  No  | 
| E.8.5 | The trial involves multiple Member States |  No  | 
| E.8.6 Trial involving sites outside the EEA | 
| E.8.6.1 | Trial being conducted both within and outside the EEA |  No  | 
| E.8.6.2 | Trial being conducted completely outside of the EEA |  No  | 
| E.8.7 | Trial has a data monitoring committee |  No  | 
| E.8.8 | 
                        Definition of the end of the trial and justification where it is not the last
                        visit of the last subject undergoing the trial
                     | 
| The study end date is deemed to be the date of the last data capture.   | 
 
 
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| E.8.9 Initial estimate of the duration of the trial | 
| E.8.9.1 | In the Member State concerned years | 3 | 
| E.8.9.1 | In the Member State concerned months | 0 | 
| E.8.9.1 | In the Member State concerned days | 0 | 
| E.8.9.2 | In all countries concerned by the trial years | 3 | 
| E.8.9.2 | In all countries concerned by the trial months | 0 | 
| E.8.9.2 | In all countries concerned by the trial days | 0 |