Patient aged 18 years or older. 
Patient suffering from mild to moderate active proctitis or distal proctosigmoiditis (MAYO score ≥ 3 and ≤ 10) at inclusion based on clinical and endoscopic findings within 6 months before study inclusion. 
Patient with evidence of endoscopic active proctitis or distal proctosigmoiditis (Montreal classification E1 or E2 defined by an involvement not exceeding 25 cm from the anal margin) within 6 months before study inclusion. 
Treatment of the current flare with Pentasa® to induce a remission initiated by the patient, the general practitioner or the gastroenterologist, during the inclusion visit or during the week before the inclusion visit. 
Patient having received oral and written information on the study, without any objections for the use of his/her personal data, and having signed a written Informed Consent Form. 

NCT02368743_inc_T1
Value
18 years or older
NCT02368743_inc_T2
Person
aged
NCT02368743_inc_T3
Condition
active proctitis
NCT02368743_inc_T4
Condition
distal proctosigmoiditis
NCT02368743_inc_T5
Qualifier
mild to moderate
NCT02368743_inc_T6
Scope
active proctitis or distal proctosigmoiditis
NCT02368743_inc_T7
Measurement
MAYO score
NCT02368743_inc_T8
Value
≥ 3 and ≤ 10
NCT02368743_inc_T9
Temporal
within 6 months before study inclusion
NCT02368743_inc_T10
Reference_point
study inclusion
NCT02368743_inc_T11
Temporal
at inclusion
NCT02368743_inc_T12
Reference_point
inclusion
NCT02368743_inc_T13
Condition
active proctitis
NCT02368743_inc_T14
Condition
distal proctosigmoiditis
NCT02368743_inc_T15
Procedure
endoscopic
NCT02368743_inc_T16
Scope
active proctitis or distal proctosigmoiditis
NCT02368743_inc_T17
Measurement
Montreal classification
NCT02368743_inc_T18
Value
E1 or E2
NCT02368743_inc_T19
Qualifier
involvement not exceeding 25 cm from the anal margin
NCT02368743_inc_T20
Temporal
within 6 months before study inclusion
NCT02368743_inc_T21
Reference_point
study inclusion
NCT02368743_inc_T22
Drug
Pentasa
NCT02368743_inc_T23
Procedure
Treatment
NCT02368743_inc_T24
Condition
flare
NCT02368743_inc_T25
Temporal
during the inclusion visit
NCT02368743_inc_T26
Reference_point
inclusion visit
NCT02368743_inc_T27
Temporal
during the week before the inclusion visit
NCT02368743_inc_T28
Reference_point
the week before the inclusion visit
NCT02368743_inc_T29
Scope
during the inclusion visit or during the week before the inclusion visit