Please assess the completion status of the following clinical trial:

Trial Title: Atropine in Catecholaminergic Polymorphic Ventricular Tachycardia (CPVT)

Study Design Characteristics:
- Allocation: None
- Intervention Model: SINGLE_GROUP
- Observational Model: None
- Primary Purpose: OTHER
- Time Perspective: None
- Masking: NONE
- Phase: None
- Number of Arms: 1.0

Eligibility Criteria:
Inclusion Criteria:~* Age \>/= 6 years~* Able to provide written informed consent~* Clinical diagnosis of CPVT~* Able to exercise on a treadmill~* Successful completion of a minimum of 2 exercise stress tests without adverse events~Exclusion Criteria:~* Contraindication to treadmill stress testing according to Vanderbilt University Medical Center's clinical protocols (unstable angina, decompensated congestive heart failure, severe hypertension (≥ 170/90 mmHg), acute myocardial infarction (\<4 days), moderate to severe aortic stenosis, acute pulmonary embolism, severe pulmonary hypertension, outflow tract obstruction, hypertrophic cardiomyopathy, left main coronary stenosis, left bundle branch block)~* Females who are pregnant~* In the judgement of the investigator, any clinically significant ongoing medical or surgical condition that might jeopardize the subject's safety or interfere with the conduct of the study

- Gender: ALL
- Minimum Age: 6 Years
- Maximum Age: None
- Healthy Volunteers: f

Study Arms:
- Treadmill then Treadmill with Atropine (Type: EXPERIMENTAL): Patients will undergo treadmill exercise at baseline, then Patients will undergo treadmill exercise after IV atropine

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