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Table 1 Time schedule of enrolment and visits

From: A new phototherapy regimen during winter as an add-on therapy, coupled with oral vitamin D supplementation, for the long-term control of atopic dermatitis: study protocol for a multicentre, randomized, crossover, pragmatic trial – the PRADA trial

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Visit 0 Screening

Visit 1 Inclusion

Visits 2–8

Follow-up

Visit 9

End of trial

Written informed consent

X

   

Web-based randomization

 

X

  

Demographic details

X

X

  

Medical history

X

X

X

X

Physical examination

X

X

X

X

Investigator Global Assessment

X

X

X

X

Eczema Area and Severity Index, Severity of Atopic Dermatitis Index

 

X

X

X

Quality of Life: Dermatology Life Quality Index

 

X

X

X

Patient-Oriented Severity of Atopic Dermatitis Index, Patient-Oriented Eczema Measure

X

X

Computer record every 4 weeks

X

Estimation of solar exposure

 

X

X

X

Complete blood count, serum chemistry, serum creatinine, serum calcium and phosphate, serum parathyroid level

X

  

X

Serum total IgE level

 

X

X

X

Vitamin D dosage

 

X

X

X

Delivery of oral vitamin D or placebo vial

 

X

X

 

Checking for adverse events

  

X

X