Please assess the completion status of the following clinical trial:

Trial Title: Opening Wedge High Tibial Osteotomy

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: SINGLE
- Phase: None
- Number of Arms: 2.0

Eligibility Criteria:
Inclusion Criteria:~* Pain: Subjective pain in the knee most of the month for at least one month during past 12 months.~* Knee range of motion (ROM) at least 5-120 degrees~* X-ray: medial joint space Altman \> 1. Lateral joint space Altman \< 2.~* Mechanical axis \> 3 degrees varus alignment.~* Medial proximal tibial angle (MPTA) \< 90 degrees~* age 25-55.~* Written consent, accepts both treatment arms.~Exclusion Criteria:~* Pain is caused by something else than medial knee osteoarthrosis~* deficient ROM (flexion contracture \> 10 degrees, flexion \< 110 degrees)~* significant ligament instability~* post traumatic OA~* clinically relevant neurological disease (e.g. Alzheimer´s disease)~* clinically relevant metabolical disease (e.g. Diabetes)~* alcohol/drug abuse~* infectious/inflammatory joint disease~* previous knee area osteotomy or lower limb arthroplasty~* smoking (\> 0 cigarette per day)~* obesity (BMI \> 33)~* pregnancy or hope of pregnancy in the following two years

- Gender: ALL
- Minimum Age: 25 Years
- Maximum Age: 55 Years
- Healthy Volunteers: f

Study Arms:
- HTO-group (Type: ACTIVE_COMPARATOR): Group receives opening wedge high tibial osteotomy with Tomofix -plate. Operative intervention is followed by supervised physiotherapeutic rehabilitation.
- FT -group (Type: ACTIVE_COMPARATOR): Group receives only supervised physiotherapeutic rehabilitation.

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