NON-INTERVENTIONAL RETROSPECTIVE EVALUATION OF TOLERABILITY AND EFFICACY OF TYPICAL ORAL LONG-ACTING WHO-STEP III OPIOID ANALGESICs UNDER REAL-WORLD CONDITIONS IN PATIENTS SUFFERING FROM (LOW) BACK PAIN AFTER FAILURE OF A PREVIOUS TREATMENT WITH EITHER NONOPIOID, MILD OR STRONG OPIOID ANALGESICS (123TOWHO3)

ENCePP Code of conduct

No

Data sources

• Data sources (types):
  Disease registry

Use of a Common Data Model (CDM)

• CDM mapping:
  No

Data quality specifications

• Check conformance:
  Unknown
• Check completeness:
  Unknown
• Check stability:
  Unknown
• Check logical consistency:
  Unknown

Data characterisation

• Data characterisation conducted:
  No