Mirikizumab and Tirzepatide Administered in Adult Participants With Moderately to Severely Active Crohn's Disease and Obesity or Overweight

Inclusion Criteria:

* Have a confirmed diagnosis of Crohn's disease (CD) or perianal fistulizing CD
* Have obesity body mass index 30 kilograms per meter squared (BMI ≥30 kg/m²), or overweight (BMI ≥27 kg/m2 to \<30 kg/m²) and in the presence of at least 1 weight-related comorbid conditions:

  * hypertension
  * Type 2 diabetes mellitus (T2DM)
  * dyslipidemia
  * obstructive sleep apnea, or
  * cardiovascular disease.
* Have moderately to severely active CD defined by a CDAI score of at least 220 at baseline.
* Have a centrally read Simple Endoscopic Score for Crohn's Disease (SES-CD) score ≥6 for patients with ileal-colonic or ≥4 for patients with isolated ileal disease within 21 days before the first dose of study treatment.
* Participants with a history of CD for ≥8 years involving only or predominantly the colon must have documented negative results for colorectal dysplasia and cancer within 1 year prior to baseline.
* Demonstrated inadequate response, loss of response or intolerance to at least one protocol-specified conventional or advanced CD therapy

Exclusion Criteria:

* Have a current diagnosis of Ulcerative Colitis (UC), inflammatory bowel disease-unclassified (formerly known as indeterminate colitis), or primary sclerosing cholangitis.
* Have more than 2 missing segments of the following 5 segments: terminal ileum, ·right colon, transverse colon, ·left colon, and rectum.
* Currently have or are suspected to have an abscess.
* Have a stoma, ileoanal pouch, or ostomy.
* Have a history of more than 3 small bowel resections, total resection of small bowel greater than 100 centimeters (cm), diagnosis of short bowel syndrome, or any intestinal or non-intestinal intra-abdominal surgery within 3 months of baseline.
* Have a diagnosis of Type 1 Diabetes Mellitus (T1DM) or have insulin-treated T2DM.
* Have a history of severe hypoglycemia and/or hypoglycemia unawareness within the 6 months prior to screening.
* Have had more than 5% body weight change in the past 3 months
* Have a current or recent acute, active infection.