Please assess the completion status of the following clinical trial:

Trial Title: Efficacy of the Electronic Acupuncture Shoes: A Clinical Trial for Chronic Low Back Pain

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

Eligibility Criteria:
Inclusion Criteria:~A. Diagnosed with chronic low back pain (pain that persists for more than 12 weeks ).~B. Subjects who agreed to be involved and signed the agreement, after being explained to by the investigators.~Exclusion Criteria:~A. Diagnosed with cancer . B. Early menopause ( before age 50 ) . C. Ovariectomized D. Under steroid therapy E. Rheumatoid arthritis F. With fractures or have undergone back surgery. G. Compression syndrome: e.g. HIVD ( Herniated Intervertebral Disc) , spinal disorder .~H. Renal calculus. I. Pacemaker users . J. Pregnant women or women who expect to be pregnant. K. Visual impairment . L. Diabetes. M. Visceral infections, e.g. pancreatitis, nephritis . N. Under other clinical trials (under medication or given other treatment) within 30 days before . O. Contraindications of ibuprofen. P. Poor function of heart, liver, GI tract or kidney. Q. Be suspected by the doctors of potential illness, disease or any other reason, which may endanger the subjects .

- Gender: ALL
- Minimum Age: 20 Years
- Maximum Age: 60 Years
- Healthy Volunteers: f

Study Arms:
- Electronic Acupuncture Shoe (Type: EXPERIMENTAL): Experiment group receives a one-hour treatment given by Electronic Acupuncture Shoe three times a week. 6 weeks of treatment was given. Subjects took placebo only in the first week. No placebo or medicine was prescribed to the subjects since the second week.
- Control group (Type: PLACEBO_COMPARATOR): Control group received the six-week treatment as well, yet the subjects received pseudo electrotherapy. Subjects took ibuprofen(400mg, TID) only in the first week. No placebo or medicine was prescribed to the subjects since the second week.

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