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Table 2 Comparison of clinical trial methodologies

From: Is antibiotic treatment effective in the management of chronic low back pain with disc herniation? Study protocol for a randomised controlled trial

Clinical trials/protocol

Albert et al. [6]

Bråten et al. [7]

Urquhart et al. (2021)

Patient subgroup

 

Participants with disc herniation and type 1 Modic changes

Participants with disc herniation and type 1 and 2 Modic changes

Participants with disc herniation—with and without type 1 and 2 Modic changes

Intervention

 

Amoxicillin-clavulanate (500/125 mg)

100 days

Amoxicillin (750 mg)

3 months

Amoxicillin-clavulanate (500/125 mg)

3 months

Other treatments allowed

 

No other treatment allowed during the 1 year trial period.

Usual care allowed

Encouraged to limit non-steroidal anti-inflammatories

Usual care allowed

Use of non-opioid analgesia and non-steroidal anti-inflammatories permitted