Crohn's Disease: Efficacy, Safety, and Pharmacokinetics of Upadacitinib in Pediatric Subjects With Moderately to Severely Active Crohn's Disease

ID#: NCT06332534

Age: 2 - 17 years

Gender: All

Healthy Subjects: No

Study Phase: Phase 3

Recruitment Status: Recruiting

Start Date: July 26, 2024

End Date: December 20, 2034

Contact Information:
ABBVIE CALL CENTER
844-663-3742
Summary: Crohn's disease (CD) is a long-lasting disease that causes severe inflammation (redness, swelling), in the digestive tract, most often affecting the bowels. It can cause many different symptoms including abdominal pain, diarrhea, tiredness, and weight loss. This study will assess how safe and effective oral Upadacitinib is in treating moderately to severely active Crohn's Disease in pediatric participants aged 2 to 18 years old who have had inadequate response, loss of response, intolerance, or medical contraindications to corticosteroids, immunosuppressants, and/or biologic therapy. Upadacitinib (RINVOQ) is a drug approved in adults for moderate- to severely active CD and is being developed for moderate- to severely active CD in pediatric participants. This study is conducted in 2 periods: Period 1 is comprised of two phases: a 12-week open-label induction phase which means that the study doctor and participants know that participants will receive UPA Dose-A (or the adult equivalent based on body weight) followed by a 52-week double-blind maintenance phase meaning that neither the participants nor the study doctors will know which dose of upadacitinib will be given(UPA Dose B or Dose C). Period 2 is a 156-week open-label extension of Period 1. Approximately 110 pediatric participants with moderate to severely active CD will be enrolled at approximately 92 sites worldwide. Participants will receive upadacitinib oral tablets once daily or oral solution twice daily at approximately the same time each day, with or without food. Participants will have a safety follow up for 30 days after discontinuation from any time point within the study. There may be higher treatment burden for participants in this trial compared to their standard of care (due to study procedures). Participants will attend regular (weekly, monthly) visits during the study at a hospital or clinic. The effect of the treatment will be checked by medical assessments, blood tests, checking for side effects and completing questionnaires.
Eligibility:

Inclusion Criteria:

- Weight at Screening and Baseline must be ≥ 10 kg

- Moderate to severe CD defined as PCDAI > 30 and endoscopic evidence of mucosal inflammation as documented by a centrally read SES-CD of >/ 6 (or SES-CD of >/4 for isolated ileal disease) excluding the presence of narrowing component.

- Documented diagnosis of CD prior to Baseline, confirmed by colonoscopy during the screening period, with exclusion of current infection, colonic dysplasia and/or malignancy. Appropriate documentation of biopsy results consistent with the diagnosis of CD, in the assessment of the investigator, must be available

- Demonstrated an inadequate response, loss of response, or intolerance to corticosteroids, IMMs, and/or biologic therapy or in whom use of those therapies is medically contraindicated. For participants in the US, participants must have demonstrated an inadequate response, loss or response, or intolerance to one or more anti-TNFs (tumor necrosis factor).

Exclusion Criteria:

- History of:

- A diagnosis of CD prior to 2 years of age.

- Currently known complications of CD such as:

- Active abscess (abdominal or perianal);

- Symptomatic bowel strictures;

- More than 2 missing segments of the following 5 intestinal segments: terminal ileum, right colon, transverse colon, sigmoid and left colon, and rectum;

- Ostomy or ileoanal pouch;

- Surgical bowel resection within the past 3 months prior to Baseline, or a history of more than 3 bowel resections.

- Japan participants only: positive result of beta-D-glucan or two consecutive indeterminate results of beta-D-glucan during the Screening period (screening for Pneumocystis jiroveci infection)

- History of any of the following:

- Current diagnosis of UC, indeterminate colitis, or monogenic IBD;

- Fulminant colitis or toxic megacolon;

- Gastrointestinal perforation (other than due to appendicitis or mechanical injury), diverticulitis, or significantly increased risk for GI perforation per investigator judgment including history of volvulus and/or intussusception (telescoping of bowels);

- Current diagnosis of any primary immune deficiency

- Conditions that could interfere with drug absorption including but not limited to short bowel syndrome or gastric bypass surgery; subjects with a history of gastric banding/segmentation are not excluded.
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