Please assess the completion status of the following clinical trial:

Trial Title: Long-term Effect of θ Burst Magnetic Stimulation on Clinical Symptoms of Alzheimer Disease

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

Eligibility Criteria:
Inclusion Criteria:~* Subject diagnosed with early Alzheimer's disease or related diseases according to NINCDS-ACDRADA criteria.~* Subjects must have a MMSE score between 10 and 27,indicating mild cognitive impairment or dementia~* CDR score ≤ 2~* Subject under treatment by IAChE for at least 3 Weeks.~* psychotropic treatments are tolerated if they were administered and unchanged for at least 3 months~Exclusion Criteria:~* CDR \> 2~* Any history or clinical signs of other severe psychiatric illnesses (like major depression,psychosis or obsessive compulsive disorder).~  - Page 5 of 6 \[DRAFT\] -~* History of head injury,stroke,or other neurologic disease.~* Organic brain defects on T1 or T2 images.~* History of seizures or unexplained loss of consciousness.~* Implanted pacemaker,medication pump,vagal stimulator,deep brain stimulator.~* Family history of medication refractory epilepsy.~* History of substance abuse within the last 6 months.

- Gender: ALL
- Minimum Age: 50 Years
- Maximum Age: 80 Years
- Healthy Volunteers: f

Study Arms:
- TBS Group (Type: EXPERIMENTAL): On the basis of drug treatment, a course of TBS treatment is performed every three months and 4 courses of treatment a year.
- Drug Group (Type: PLACEBO_COMPARATOR): Stable doses of cholinesterase inhibitors for the treatment and primary care guidance.Once every 3 months follow-up.

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