Please assess the completion status of the following clinical trial:

Trial Title: Minimally Invasive Total Knee Replacement - Navigated Versus Non-navigated Study

Study Design Characteristics:
- Allocation: NON_RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: NONE
- Phase: PHASE4
- Number of Arms: 2.0

Eligibility Criteria:
Inclusion Criteria:~* Male or female subjects aged between 18 and 80 years inclusive.~* Subjects who require a primary total knee replacement and are considered by the Investigator to be suitable for the specific knee prosthesis identified in the protocol.~* Subjects who are able to give and have given voluntary, written informed consent to participate in this clinical investigation.~* Subjects who have given consent to the transfer of his/her information to DePuy.~* Subjects who, in the opinion of the Clinical Investigator, are able to understand this clinical investigation, co-operate with the investigational procedures and are willing to return to the hospital for all the required post-operative follow-ups.~Exclusion Criteria:~* Subjects who have a pre-operative limb deformity of equal to or greater than 10° varus or 15° valgus as defined using the anatomical axis.~* Subjects who have a fixed flexion contracture of greater than 10º.~* Subjects who are clinically obese i.e. BMI ≥30.~* Subjects who have, in the opinion of the Investigator, an existing condition that would compromise their participation and follow-up in this study.~* Female subjects who are pregnant or lactating.~* Subjects who are known drug or alcohol abusers or have a psychological disorder that could affect follow-up care or treatment outcomes.~* Subjects who have participated in a clinical investigation with an investigational product in the last 3 months.~* Subjects currently involved in any personal injury litigation, medical-legal or worker's compensations claims.~* Subjects who have previously had a prosthetic knee replacement device (any type) of the affected knee.~* Subjects who present with ankylosis of the hip joint on the side to be treated or previous ipsilateral Upper Tibial Osteotomy/High Tibial Osteotomy.~* Subjects who require simultaneous bilateral total knee replacements.~* Subjects who have had a contralateral TKA performed less than six months before the proposed TKA.~* Subjects who have had a contralateral TKA and that knee was previously entered in the study.~* Subjects who, in the opinion of the surgeon, will require a contralateral TKA within 6 months of the index procedure.~* Subjects in whom the surgeon intends to implant a knee component that is not one of those listed in Table 1.~* Subjects who have inflammatory arthritis.

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: 80 Years
- Healthy Volunteers: f

Study Arms:
- Conventional TKR arm (Type: OTHER): Patients to receive treatment with either a P.F.C. Sigma or L.C.S. knee using the conventional manual surgical technique
- MiTKR CAS arm (Type: ACTIVE_COMPARATOR): Patients to receive treatment with either a P.F.C. or L.C.S. knees in chronological order into the CAS group which will use minimally invasive surgery and computer navigation

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

Answer: outcome: terminate
termination_type: feasibility