Statement: none of the participants in the first group of the primary clinical trial reported any negative side effects.
Primary_evidence: Adverse Events 1:   Total: 6   Atrial fibrillation 1/67 (1.49%)   Ventricular fibrillation 1/67 (1.49%)   Gastrointestinal perforation 1/67 (1.49%)   Periproctitis 1/67 (1.49%)   General physical health deterioration 1/67 (1.49%)   Escherichia sepsis 1/67 (1.49%)   Pneumonia 1/67 (1.49%)   Tumour pain 1/67 (1.49%)   Renal failure acute 1/67 (1.49%)   Pleurisy 1/67 (1.49%)