Please assess the completion status of the following clinical trial:

Trial Title: Sensitivity and Specificity of Aridol Challenge for a Diagnosis of Asthma by a Specialist Pulmonologist

Study Design Characteristics:
- Allocation: None
- Intervention Model: None
- Observational Model: COHORT
- Primary Purpose: None
- Time Perspective: PROSPECTIVE
- Masking: None
- Phase: None
- Number of Arms: None

Eligibility Criteria:
Inclusion Criteria:~* Informed consent~* Provisional or possible asthma diagnosis~* FEV1 at least 70% of predicted at inclusion~Exclusion Criteria:~* Contraindications for bronchial provocation challenge or spirometry~* Respiratory tract infection within previous 6 weeks~* Significant co-morbidity~* \> 10 pack year smoking history~* Other lung diseases~* Pregnancy, lactation

- Gender: ALL
- Minimum Age: 16 Years
- Maximum Age: 50 Years
- Healthy Volunteers: f

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