Please assess the completion status of the following clinical trial:

Trial Title: A Study to Estimate Effect of 4 Different Doses of AZD3355 on Reflux Episodes, Which Patients With Gastroesophageal Reflux Disease (GERD) May Experience

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: CROSSOVER
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: TRIPLE
- Phase: PHASE2
- Number of Arms: 5.0

Eligibility Criteria:
Inclusion Criteria:~* Provide informed consent~* History of GERD with persistent symptoms despite treatment with PPI~* Otherwise normal physical health~Exclusion Criteria:~* History of GERD with symptoms that has not improved at all during treatment with PPI~* Prior surgery of the upper gastrointestinal tract~* History of significant heart disease, cardiovascular, respiratory, hepatic, renal, metabolic, psychiatric or gastrointestinal disorders besides GERD

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

Study Arms:
- A (Type: EXPERIMENTAL): AZD3355 30 mg
- B (Type: EXPERIMENTAL): AZD3355 90 mg
- C (Type: EXPERIMENTAL): AZD3355 120 mg
- D (Type: EXPERIMENTAL): AZD3355 240 mg
- E (Type: PLACEBO_COMPARATOR): Placebo

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