Known or suspected serious spinal pathology and spinal implants
Lumbar spinal surgery within the preceding six months
Serious comorbidities preventing prescription of paracetamol
Alternative treatment for low back pain in previous two weeks
Chronic neurological lesion
Chronic musculoskeletal lesion
Active cancer
Pregnancy
Use of pain medication (except paracetamol) within 3 days
Treatment site has active skin lesion or inflammation
Known allergy to skin patch

NCT03171987_exc_T1
Condition
spinal pathology
NCT03171987_exc_T2
Device
spinal implants
NCT03171987_exc_T3
Qualifier
serious
NCT03171987_exc_T4
Mood
suspected
NCT03171987_exc_T5
Mood
Known
NCT03171987_exc_T6
Scope
serious spinal pathology and spinal implants
NCT03171987_exc_T7
Mood
Known or suspected
NCT03171987_exc_T8
Procedure
Lumbar spinal surgery
NCT03171987_exc_T9
Temporal
within the preceding six months
NCT03171987_exc_T10
Qualifier
Serious
NCT03171987_exc_T11
Condition
comorbidities
NCT03171987_exc_T12
Condition
preventing
NCT03171987_exc_T13
Drug
paracetamol
NCT03171987_exc_T14
Qualifier
Alternative
NCT03171987_exc_T15
Procedure
treatment
NCT03171987_exc_T16
Condition
low back pain
NCT03171987_exc_T17
Temporal
in previous two weeks
NCT03171987_exc_T18
Condition
Chronic neurological lesion
NCT03171987_exc_T19
Condition
Chronic musculoskeletal lesion
NCT03171987_exc_T20
Condition
cancer
NCT03171987_exc_T21
Qualifier
Active
NCT03171987_exc_T22
Condition
Pregnancy
NCT03171987_exc_T23
Drug
pain medication
NCT03171987_exc_T24
Negation
except
NCT03171987_exc_T25
Drug
paracetamol
NCT03171987_exc_T26
Temporal
within 3 days
NCT03171987_exc_T27
Condition
skin lesion
NCT03171987_exc_T28
Condition
inflammation
NCT03171987_exc_T29
Qualifier
active
NCT03171987_exc_T30
Scope
skin lesion or inflammation
NCT03171987_exc_T31
Condition
allergy
NCT03171987_exc_T32
Device
skin patch