Please assess the completion status of the following clinical trial:

Trial Title: Comparison of Postoperative Analgesic Effect of Intrathecal Clonidine and Fentanyl Added to Bupivacaine in Patients Undergoing Cesarean Section

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: PREVENTION
- Time Perspective: None
- Masking: QUADRUPLE
- Phase: PHASE1/PHASE2
- Number of Arms: 3.0

Eligibility Criteria:
Inclusion Criteria:~* Patients with American Society of Anesthesiologists(ASA) physical status I and II, undergoing elective cesarean section~Exclusion Criteria:~* Significant coexisting disease such as hepato-renal and cardiovascular disease~* Any contraindication to regional anesthesia such as local infection or bleeding disorders~* Allergy to ketamine or midazolam~* Long-term opioid use or a history of chronic pain. -

- Gender: FEMALE
- Minimum Age: 18 Years
- Maximum Age: 45 Years
- Healthy Volunteers: f

Study Arms:
- clonidine (Type: ACTIVE_COMPARATOR): The clonidine group (groupC) received bupivacaine 10mg combined with 75 microgram clonidine preservative free intrathecally
- Fentanyl (Type: ACTIVE_COMPARATOR): The fentanyl group (groupF) received bupivacaine 10mg combined with 25 microgram clonidine preservative free intrathecally
- distilled water (Type: PLACEBO_COMPARATOR): The placebo group (group P) received bupivacaine 10mg combined with 0.5ml distilled water intrathecally .

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