Please assess the completion status of the following clinical trial:

Trial Title: Comparison of Autogenous Periosteal Pedicle Graft and Collagen Membrane in Management of Periodontal Intrabony Defects

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:~* Severe chronic periodontitis patients with at least two sites with pocket depth ≥ 6 mm and clinical attachment level ≥ 5 mm, with radiographic evidence of bone loss 2- or 3-wall intrabony defect depth ranging from 3 to 6 mm as detected in periapical radiographs~* The facial surface of teeth adjacent to the interproximal defect should be free of extensive recession and marginal bone loss, with at least a 4 to 5 mm band of keratinized gingiva to allow for periosteal manipulation~Exclusion Criteria:~* Pregnant women~* Subjects had \<22 permanent teeth~* Having any given systemic disease~* Taking any type of medication and/or antibiotic therapy during the 3 months before the study~* Received periodontal treatment within the past 12 months~* Current or former smokers

- Gender: ALL
- Minimum Age: 35 Years
- Maximum Age: 50 Years
- Healthy Volunteers: t

Study Arms:
- periosteal pedicle graft (Type: EXPERIMENTAL): autogenous marginal periosteal pedicle graft harvested by partial thickness periodontal flap.
- Bioresorbable collagen membrane (Type: ACTIVE_COMPARATOR): Equine Achilles tendon collagen barrier membrane

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