A Study to Evaluate the Long-Term Efficacy, Safety, and Tolerability of Repeated Administration of Upadacitinib (ABT-494) in Participants With Crohn's Disease

Endoscopic remission was based on Simplified Endoscopic Score for Crohn's disease (SES-CD). The SES-CD assessed the size of mucosal ulcers, the ulcerated surface, the endoscopic extension and the presence of stenosis. SES-CD was based on endoscopic findings in 5 bowel segments (Ileum, right colon, transverse colon, left colon/sigmoid, and rectum). Each item was scored 0 to 3 per segment. The sum of the scores for each endoscopic variable ranged from 0 to 15, except for stenosis, where it varied between 0 and 11; total score ranged from 0 to 56. A lower score indicated better outcome. Endoscopic remission was defined as SES-CD ≤4 and at least two-point reduction versus Baseline of Study M13-740 and no subscore >1 in any individual variable.

Clinical remission was defined as average daily stool frequency ≤1.5 and not worse than Baseline and average daily abdominal pain score ≤1.0 and not worse than baseline in Study M13-740. Abdominal pain was assessed using the CDAI component "abdominal pain" rated as none [0], mild [1], moderate [2], and severe [3]) (cumulative total over the past 7 days) as per the CDAI to calculate abdominal pain score; total score range from 0 to 105.

Endoscopic remission was based on SES-CD. The SES-CD assessed the size of mucosal ulcers, the ulcerated surface, the endoscopic extension and the presence of stenosis. SES-CD was based on endoscopic findings in 5 bowel segments (Ileum, right colon, transverse colon, left colon/sigmoid, and rectum). Each item was scored 0 to 3 per segment. The sum of the scores for each endoscopic variable ranged from 0 to 15, except for stenosis, where it varied between 0 and 11; total score ranged from 0 to 56. A lower score indicated better outcome. Endoscopic remission was defined as SES-CD ≤4 and at least two-point reduction versus Baseline of Study M13-740 and no subscore >1 in any individual variable. Week 52 visit of Study M13-740 was considered Week 0 (Baseline) of Study M14-327.

Clinical remission was defined as average daily stool frequency ≤1.5 and not worse than baseline and average daily abdominal pain score of ≤1.0 and not worse than baseline of Study M13-740. Abdominal pain was assessed using the CDAI component "abdominal pain" rated as none [0], mild [1], moderate [2], and severe [3]) (cumulative total over the past 7 days) and multiplied by a factor of 5 as per the CDAI to calculate abdominal pain score; total score range from 0 to 105.

Modified Clinical Remission was defined as average daily stool frequency ≤2.8 and not worse than baseline and average daily abdominal pain score of ≤1.0 and not worse than baseline of Study M13-740, among participants with stool frequency ≥4.0 or abdominal pain score ≥2.0 at Baseline of Study M13-740. Abdominal pain was assessed using the CDAI component "abdominal pain" rated as none [0], mild [1], moderate [2], and severe [3]) (cumulative total over the past 7 days) and multiplied by a factor of 5 as per the CDAI to calculate abdominal pain score; total score range from 0 to 105.

Remission=clinical remission and endoscopic remission. Clinical remission was an average daily stool frequency ≤1.5 and not worse than baseline and average daily abdominal pain score of ≤1.0 and not worse than baseline of Study M13-740. Abdominal pain was assessed by CDAI component "abdominal pain"; rated as none [0], mild [1], moderate [2], severe [3]) cumulative total over the past 7 days and multiplied by a factor of 5 as per CDAI. Abdominal pain score range: 0 to 105. Endoscopic remission was based on SES-CD and assessed the size of mucosal ulcers, ulcerated surface, endoscopic extension and presence of stenosis. SES-CD was based on endoscopic findings in 5 bowel segments: Ileum, right colon, transverse colon, left colon/sigmoid, and rectum. Each item was scored 0 to 3 per segment. The sum of the scores for each endoscopic variable ranged from 0 to 15, except for stenosis, where it varied between 0 and 11; total score ranged from 0 to 56. A lower score indicated better outcome.

CDAI is a measure of clinical response and remission that includes 8 variables encompassing both participant-reported (symptoms, general well-being) and objective (medication usage, laboratory variables, presence of abdominal mass or complications, and weight) variables. For symptoms scores, participants kept a diary card and the daily symptom scores were summed for the week. Each item in the CDAI was assigned a pre-specified factor to calculate the subtotals, and the subtotals of the items were totaled to produce the CDAI. Higher CDAI scores indicated greater disease activity, with a lower limit of 0 and no set upper limit. Total score range: 0 to 600. CDAI remission was defined as CDAI score <150.

The IBDQ is a 32-item (ranged 1 to 7) self-report questionnaire for participants with inflammatory bowel disease to evaluate the participant-reported outcomes across 4 dimensions: bowel symptoms (loose stools, abdominal pain), systemic symptoms (fatigue, altered sleep pattern), social function (work attendance, need to cancel social events), and emotional function (anger, depression, irritability). IBDQ total score range: 32 to 224. A higher score indicating better outcome. IBDQ remission was defined as IBDQ score ≥170.

Endoscopic improvement was defined as SES-CD at least 50% reduction from Baseline or endoscopic remission. Endoscopic remission was based on SES-CD and assessed the size of mucosal ulcers, ulcerated surface, endoscopic extension and presence of stenosis. SES-CD was based on endoscopic findings in 5 bowel segments: Ileum, right colon, transverse colon, left colon/sigmoid, and rectum. Each item was scored 0 to 3 per segment. The sum of the scores for each endoscopic variable ranged from 0 to 15, except for stenosis, where it varied between 0 and 11; total score ranged from 0 to 56. A lower score indicated better outcome. Endoscopic remission was defined as SES-CD ≤4 and at least 2-point reduction versus baseline of Study M13-740 and no subscore >1 in any individual variable. Week 52 visit of Study M13-740 was considered Week 0 (Baseline) of Study M14-327.

Remission = clinical remission and endoscopic remission. Clinical remission was average daily stool frequency ≤1.5 and not worse than baseline and average daily abdominal pain score ≤1.0 and not worse than baseline of Study M13-740. Abdominal pain was assessed by CDAI component "abdominal pain" rated: none [0], mild [1], moderate [2], severe [3] cumulative total over the past 7 days and multiplied by a prespecified factor of 5; total score range from 0 to 105. Endoscopic remission was based on SES-CD and assessed size of mucosal ulcers, ulcerated surface, endoscopic extension and presence of stenosis. SES-CD was based on endoscopic findings in 5 bowel segments: Ileum, right colon, transverse colon, left colon/sigmoid, and rectum; scored 0 to 3 per segment. Sum of scores for each endoscopic variable ranged from 0 to 15, except for stenosis, where it varied between 0 and 11; total score ranged from 0 to 56. A lower score indicated better outcome. Normal CRP=high-sensitivity CRP <5 mg/L.

Remission=clinical remission and endoscopic remission. Clinical remission was an average daily stool frequency ≤1.5 and not worse than baseline and average daily abdominal pain score of ≤1.0 and not worse than baseline of Study M13-740. Abdominal pain was assessed by CDAI component "abdominal pain"; rated as none [0], mild [1], moderate [2], severe [3]) cumulative total over the past 7 days and multiplied by a factor of 5 as per CDAI. Abdominal pain score range: 0 to 105. Endoscopic remission was based on SES-CD and assessed the size of mucosal ulcers, ulcerated surface, endoscopic extension and presence of stenosis. SES-CD was based on endoscopic findings in 5 bowel segments: Ileum, right colon, transverse colon, left colon/sigmoid, and rectum. Each item was scored 0 to 3 per segment. The sum of the scores for each endoscopic variable ranged from 0 to 15, except for stenosis, where it varied between 0 and 11; total score ranged from 0 to 56. A lower score indicated better outcome.

Endoscopic remission was based on SES-CD and assessed the size of mucosal ulcers, ulcerated surface, endoscopic extension and presence of stenosis. SES-CD was based on endoscopic findings in 5 bowel segments: Ileum, right colon, transverse colon, left colon/sigmoid, and rectum. Each item was scored 0 to 3 per segment. The sum of the scores for each endoscopic variable ranged from 0 to 15, except for stenosis, where it varied between 0 and 11; total score ranged from 0 to 56. A lower score indicated better outcome. Endoscopic remission was defined as SES-CD ≤4 and at least 2-point reduction versus baseline of Study M13-740 and no subscore >1 in any individual variable. Week 52 visit of Study M13-740 was considered Week 0 (Baseline) of Study M14-327.

Response = clinical and endoscopic response. Clinical response was average daily stool frequency at least 30% reduction from baseline and average daily abdominal pain score not worse than baseline or average daily abdominal pain at least 30% reduction from baseline of Study M13-740 and average daily stool frequency not worse than baseline of Study M13-740. Abdominal pain based on CDAI component "abdominal pain" rated none [0], mild [1], moderate [2], severe [3] cumulative total over past 7 days and multiplied by prespecified factor of 5; total score range from 0-105. Endoscopic response was decrease ≥25% SES-CD from baseline of Study M13-740. SES-CD was based on endoscopic findings in 5 bowel segments (Ileum, right colon, transverse colon, left colon/sigmoid, rectum), scored 0 to 3 per each segment. Sum of the scores for each endoscopic variable ranged from 0-15, except for stenosis, where it varied between 0-11; total score ranged from 0-56. Lower score indicated better outcome.

Enhanced Clinical Response was defined as average daily stool frequency at least 65% reduction from baseline and average daily abdominal pain score not worse than baseline or average daily abdominal pain score at least 35% reduction from baseline of Study M13-740 and average daily stool frequency not worse than baseline of Study M13-740.Abdominal pain was assessed by CDAI component "abdominal pain" rated none [0], mild [1], moderate [2], severe [3]; cumulative total over the past 7 days) and multiplied by prespecified factor of 5; total score range from 0 to 105.

Clinical response was defined as average daily stool frequency at least 30% reduction from Baseline and average daily abdominal pain score not worse than Baseline or average daily abdominal pain score at least 30% reduction from baseline of Study M13-740 and average daily stool frequency not worse than baseline of Study M13-740. Abdominal pain was assessed by CDAI component "abdominal pain" rated none [0], mild [1], moderate [2], severe [3]; cumulative total over the past 7 days) and multiplied by prespecified factor of 5; total score range from 0 to 105.

CDAI is a measure of clinical response and remission that includes 8 variables encompassing both participant-reported (symptoms, general well-being) and objective (medication usage, laboratory variables, presence of abdominal mass or complications, and weight) variables. For symptoms scores, participants kept a diary card and the daily symptom scores were summed for the week. Each item in the CDAI was assigned a prespecified factor to calculate the subtotals, and the subtotals of the items were totaled to produce the CDAI. Higher scores indicated greater disease activity, with a lower limit of 0 and no set upper limit. Total score range: 0 to 600. CDAI response was defined as a reduction in CDAI scores by ≥70 from baseline of Study M13-740.

CDAI is a measure of clinical response and remission that includes 8 variables encompassing both participant-reported (symptoms, general well-being) and objective (medication usage, laboratory variables, presence of abdominal mass or complications, and weight) variables. For symptoms scores, participants kept a diary card and the daily symptom scores were summed for the week. Each item in the CDAI was assigned a prespecified factor to calculate the subtotals, and the subtotals of the items were totaled to produce the CDAI. Higher scores indicated greater disease activity, with a lower limit of 0 and no set upper limit. Total score range: 0 to 600. Enhanced CDAI response was defined as reduction in CDAI score by ≥100 from baseline of Study M13-740.

Endoscopic response was defined as decrease ≥ 25% SES-CD from Baseline of Study M13-740. SES-CD was based on endoscopic findings in 5 bowel segments (Ileum, right colon, transverse colon, left colon/sigmoid, and rectum). Each item was scored 0 to 3 per segment. The sum of the scores for each endoscopic variable ranged from 0 to 15, except for stenosis, where it varied between 0 and 11; total score ranged from 0 to 56. A lower score indicated better outcome.

The IBDQ is a 32-item (ranged 1 to 7) self-report questionnaire for participants with inflammatory bowel disease to evaluate the participant-reported outcomes across 4 dimensions: bowel symptoms (loose stools, abdominal pain), systemic symptoms (fatigue, altered sleep pattern), social function (work attendance, need to cancel social events), and emotional function (anger, depression, irritability). IBDQ total Score range 32 to 224. A higher score indicated better outcome. IBDQ response was defined as an increase in IBDQ score ≥16 point from baseline of Study M13-740.

Remission = clinical remission and endoscopic remission. Clinical remission was average daily stool frequency ≤1.5, not worse than baseline, and average daily abdominal pain score ≤1.0 and not worse than baseline of Study M13-740. Abdominal pain was assessed using the CDAI component "abdominal pain" rated none [0], mild [1], moderate [2], severe [3] (cumulative total over the past 7 days) and multiplied by a factor of 5 as per the CDAI. Total score range 0 to 105. Endoscopic remission was defined as SES-CD ≤4 and at least 2- point reduction versus baseline of Study M13-740 and no subscore >1 in any individual variable. SES-CD was based on endoscopic findings in 5 segments (Ileum, right colon, transverse colon, left colon/sigmoid, and rectum). Each item was scored 0 to 3 per segment. The sum of the scores for each endoscopic variable ranged from 0 to 15, except for stenosis, where it varied between 0 and 11; total score ranged from 0 to 56. A lower score indicated better outcome

Stool samples were collected for analysis of fecal calprotectin levels.

The IBDQ is a 32-item (ranged 1 to 7) self-report questionnaire for participants with inflammatory bowel disease to evaluate the participant-reported outcomes across 4 dimensions: bowel symptoms (loose stools, abdominal pain), systemic symptoms (fatigue, altered sleep pattern), social function (work attendance, need to cancel social events), and emotional function (anger, depression, irritability). IBDQ total score range from 32 to 224. A higher score indicated better outcome.

The SES-CD assessed the size of mucosal ulcers, the ulcerated surface, the endoscopic extension and the presence of stenosis. SES-CD was based on endoscopic findings in 5 bowel segments (Ileum, right colon, transverse colon, left colon/sigmoid, and rectum). Each item was scored 0 to 3 per segment. The sum of the scores for each endoscopic variable ranged from 0 to 15, except for stenosis, where it varied between 0 and 11; total score ranged from 0 to 56. A lower score indicated better outcome. Endoscopic remission was defined as SES-CD ≤4 and at least two-point reduction versus Baseline of Study M13-740 and no subscore >1 in any individual variable.