In patients on infliximab, when is re-loading dose preferred over resuming maintenance dosing when there has been a prolonged interruption in treatment?

In patients previously on Infliximab who have had a prolonged interruption in therapy, when do you typically perform a full re-loading regimen (weeks 0, 2, 6) rather than resuming maintenance dosing?

• ≥8 weeks since last dose
• ≥12 weeks since last dose
• ≥16 weeks since last dose
• ≥24 weeks/6 months since last dose
• I usually resume maintenance dosing regardless of interval
• I check drug levels and/or anti-drug antibodies before deciding
• Other