Please assess the completion status of the following clinical trial:

Trial Title: A Simple Approach to Prevent Hospitalization for COVID-19 Patients

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

Eligibility Criteria:
Inclusion Criteria:~* Male and female adult (≥18 years old)~* Subjects with early mild symptoms of COVID-19, who start the treatment without waiting results of a nasopharyngeal swab, if any~* Informed consent~Exclusion Criteria:~* Subjects of the two cohorts who require immediate hospital admission because of severe COVID-19 symptoms at onset according to family doctor's assessment

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

Study Arms:
- 'Recommended algorithm' cohort (Type: None): COVID-19 patients treated at home by their family doctors according to the proposed recommendations
- 'Historic control' cohort (Type: None): COVID-19 patients enrolled in the ORIGIN study of the Istituto di Ricerche Farmacologiche Mario Negri IRCCS and treated at home by family physicians with drug regimens that are not necessarily guided by those proposed in the recommendations

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