Please assess the completion status of the following clinical trial:

Trial Title: Clinical Study of Pain Reduction by Peri-arthroscopic PRP Application in Knee Degeneration

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

Eligibility Criteria:
inclusion Criteria:~* degenerative knee pain~* age: \> 18 years~* informed consent~* none to moderate comorbidity~* arthroscopy under general anaesthesia indicated~exclusion Criteria:~* trauma of the knee within the last 6 weeks before surgery~* circumscribed cartilage lesion with possibility of repair microfracture or autologous chondrocyte transplantation - procedures~* contraindications against PRP. application~* malignancies~* severe comorbidities~* age \<18 years~* physically or mentally not able to provide informed consent~* severe knee instability~* corticosteroid injections within the last 6 weeks before surgery

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

Study Arms:
- PRP (Type: EXPERIMENTAL): one intraoperative application of PRP in the interventional group
- Control (Type: NO_INTERVENTION): No application of any substance during knee arthroscopy

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