Please assess the completion status of the following clinical trial:

Trial Title: QuantiFERON®-TB Gold In-Tube for the Diagnosis of Tuberculosis Infection in Contact Tracing Study.

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: PREVENTION
- Time Perspective: None
- Masking: NONE
- Phase: PHASE4
- Number of Arms: 2.0

Eligibility Criteria:
Inclusion Criteria:~* Age ≥18 years.~* Close contact of a pulmonary and/or laryngeal tuberculosis case.~* Written informed consent.~Exclusion Criteria:~* HIV infection.~* Immunosuppression other than HIV, such as decompensated liver disease, chronic renal failure, corticosteroids treatment, malignancy under chemotherapy therapy.~* Prior tuberculosis or positive TST.~* Strain resistant to Isoniazid (index case).

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: 85 Years
- Healthy Volunteers: f

Study Arms:
- Arm A, Standard practice, TST (Type: ACTIVE_COMPARATOR): Participants allocated to screening as stablished by current practice (TST)
- Arm B, Experimental, TST plus QFT-IT (Type: EXPERIMENTAL): Participants allocated to screening with TST, and if positive, followed by QFT-IT to confirm tuberculosis infection.

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