Skip to main content

Table 1 Re-treatment and stopping treatment criteria for pro re nata (PRN) regimen used in the study

From: Efficacy of combining intravitreal injections of ranibizumab with micropulse diode laser versus intravitreal injections of ranibizumab alone in diabetic macular edema (ReCaLL): a single center, randomised, controlled, non-inferiority clinical trial

Criteria for re-treatment

Criteria for stopping treatment

visual improvement

irreversible changes of central macula (i.e. atrophy, ischemia) without the perspective for visual improvement

decrease in CMT ≥10%a

BCVA < 35 as measured by ETDRS chartsb

BCVA of 100 on ETDRS charts

lack of fluid in the area of the fovea

  1. CMT central macular thickness; BCVA best corrected visual acuity; ETDRS Early Treatment Diabetic Retinopathy Study;
  2. a thickness evaluation under consideration of cysts and vitreoretinal membrane structures
  3. b with the exception of visual impairment due to other causes such as vitreous hemorrhage