Please assess the completion status of the following clinical trial:

Trial Title: The Danish Multicenter Randomised Study on AAI Versus DDD Pacing in Sick Sinus Syndrome

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: NONE
- Phase: PHASE2/PHASE3
- Number of Arms: 2.0

Eligibility Criteria:
Inclusion Criteria:~General:~A. Undergoing primary pacemaker implantation B. Able to appear for outpatient follow-up C. Age \> 18 years~Symptoms:~D. Syncope or E. Dizzy spells or F. Congestive heart failure~Electrocardiographic:~G. Sinus bradycardia \<40/minute for at least 1 minute in a conscious awake state or H. Sinus arrest/sinoatrial block \>2 seconds or I. Bradycardia/tachycardia with sinus-pauses \>2 seconds~Exclusion Criteria:~Clinical:~A. Malignant disease. B. Severe psychogenic disease including severe decrepitude and dementia. C. Impending larger operation expected to influence the major end point. D. Cardiac disorder expected to need cardiac surgery during the follow-up period.~E. Need for other device implantation: ICD (implantable cardioverter defibrillator) or implantable DC converter (for atrial fibrillation).~F. Carotid sinus syndrome (positive carotid sinus massage with pauses \>3 seconds).~Electrocardiographic:~G. Atrioventricular block. H. Bundle-branch block (complete RBBB, LBBB, bifascicular bundle-branch block or non-specific intraventricular block with QRS \>0.12 seconds).~I. Chronic atrial fibrillation. J. Atrial fibrillation/atrial flutter with QRS pauses \>3 seconds during atrial fibrillation.~K. Atrial fibrillation/atrial flutter with QRS frequency \<40/minute for 1 minute.

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: None
- Healthy Volunteers: f

Study Arms:
- AAIR (Type: OTHER): None
- DDDR (Type: OTHER): None

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