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Table 4 Serious adverse events and adverse events

From: Platelet-rich plasma in Achilles tendon healing 2 (PATH-2) trial: statistical analysis plan for a multicentre, double-blinded, parallel-group, placebo-controlled randomised clinical trial

Serious adverse events

An untoward medical occurrence that:

• Results in death

• Is life-threatening

• Requires in-patient hospitalisation or prolongation of existing hospitalisation

• Results in persistent or significant disability/incapacity

• Leads to a congenital anomaly/birth defect

• Other important medical events

Adverse events (related to study treatment or condition that do not require specific time-critical reporting but may be collected as part of standard data collection in the PATH-2 trial)

Foreseeable adverse events

• Bruising and discomfort at the venesection site

• Mild discomfort or minor bleeding from ATR site following injection

• Technical complications of the lower leg casting and splinting

• Consequences of depending on walking aids

• Syncopal (fainting) episode associated with venesection or tendon injection

• Discomfort at ATR site during rehabilitation

• Swelling or bruising of the lower leg and foot

• Deep vein thrombosis in a lower limb

• Re-rupture of the treated Achilles tendon (including any surgery on the Achilles tendon treated in the study)

Unforeseeable adverse events

• Serious infection of ATR injection site

• Skin breakdown or ulceration of treated lower leg other than ‘plaster sores’

• Severe pain requiring more than simple analgesia beyond 10 days after injection

Other adverse events not pre-specified but deemed related to treatment or condition will also be recorded and reported