Please assess the completion status of the following clinical trial:

Trial Title: Empirical Rescue Therapies of Helicobacter Pylori Infection

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: NONE
- Phase: PHASE4
- Number of Arms: 4.0

Eligibility Criteria:
Inclusion Criteria:~* H. pylori -positive patients with functional dyspepsia and scarred peptic ulcers who had previously failed one or more eradication regimens containing clarithromycin, metronidazole and/or amoxicillin.~Exclusion Criteria:~* less than 18 years old, never receiving eradication treatment before, with previous gastric surgery, pregnancy, lactation, major systemic diseases, administration of antibiotics, bismuth, antisecretory drugs in the preceding 8 weeks

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: 70 Years
- Healthy Volunteers: f

Study Arms:
- tetracycline/furazolidone (Type: EXPERIMENTAL): one of the four empirical rescue therapies
- amoxicillin/tetracycline (Type: EXPERIMENTAL): one of the four empirical rescue therapies
- amoxicillin/furazolidone (Type: EXPERIMENTAL): one of the four empirical rescue therapies
- tetracycline /metronidazole (Type: ACTIVE_COMPARATOR): Classical rescue therapy

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