Please assess the completion status of the following clinical trial:

Trial Title: Cabbage Leaf Wraps in Osteoarthritis of the Knee

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: SINGLE
- Phase: None
- Number of Arms: 3.0

Eligibility Criteria:
Inclusion Criteria:~* osteoarthritis of the knee, Kellgren Lawrence stadium 2-3~* at least 50% of days with complaints~* initial pain intensity 45mm on a 100mm visual analoge scale~Exclusion Criteria:~* medication with corticoids or immunsupressing drugs~* secondary arthritis/arthrosis~* operation to the knee within 12 months prior~* injection within 4 weeks (cortison) or 6 months prior (hyaluronic acid)~* severe comorbidities (liver, kidney, asthma, psychiatric disorders etc.)~* participation in other studies~* pregnancy, breastfeeding

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: None
- Healthy Volunteers: f

Study Arms:
- Cabbage leaf wraps (Type: EXPERIMENTAL): Daily application of cabbage leaf wraps over night, 4 weeks application
- Diclofenac gel (Type: ACTIVE_COMPARATOR): daily application of diclofenac gel 4 weeks application
- Usual care (Type: NO_INTERVENTION): no specific intervention

Based on this trial design, predict the completion outcome and termination type (if applicable).