Heat oil in Dutch oven over medium-high heat until hot. Add onion, celery and garlic; cook and stir 2 to 3 minutes or until onion is tender. Add cabbage, carrots, broth, water, Italian seasoning and pepper; mix well. Bring to a boil. Reduce heat; cover and simmer 15 minutes, stirring occasionally.
Return to a boil. Add all remaining ingredients; mix well. Simmer, uncovered, for 10 to 15 minutes or until vegetables and rotini are tender, stirring occasionally. If desired, season to taste with salt and pepper.