Please assess the completion status of the following clinical trial:

Trial Title: Anxiolytic and Analgesic Effects of Melatonin

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: TRIPLE
- Phase: PHASE3
- Number of Arms: 2.0

Eligibility Criteria:
Inclusion Criteria part one:~* Patients who are candidates for breast surgery.~* BMI between 18 and 30~* Visible veins in the elbow region~* Fertile women use anti-contraception and have performed a negative pregnancy test~Exclusion Criteria part one:~* Patients, who use daily opioids, benzodiazepines or melatonin~* Patients diagnosed with a psychiatric disorder (defined as in medical treatment)~* Patients with severe physical disease (ASA 3-4)~* Patients with previous or ongoing alcohol or drug abuse~* Patients with liver disease (defined as in medical treatment)~* Patients diagnosed sleep disturbances~* Patients who are unable to cooperate according to the protocol~* Patients with allergy to melatonin~Inclusion Criteria part two:~- Male patients who are candidates for inguinal or umbilical hernia reapir~Exclusion Criteria part two:~* Patients, who use daily opioids, benzodiazepines or melatonin~* Patients diagnosed with a psychiatric disorder (defined as in medical treatment)~* Patients with severe physical disease (ASA 3-4)~* Patients with previous or ongoing alcohol or drug abuse~* Patients with liver disease (defined as in medical treatment)~* Patients diagnosed sleep disturbances~* Patients who are unable to cooperate according to the protocol~* Patients with allergy to melatonin~Withdrawal- and drop-out criteria part 2:~* Patients can withdraw at any time during trial~* Complications during surgery occur that lead to:~  1. Immediate reoperation~ 2. Hospitalization to intensive care unit~* If it is considered in the best interest of the patients physical- and psychological health to withdraw from the trial

- Gender: FEMALE
- Minimum Age: None
- Maximum Age: None
- Healthy Volunteers: f

Study Arms:
- Melatonin (Type: ACTIVE_COMPARATOR): Melatonin 10 mg, gelatin capsules. Pharmacokinetic study: 10 mg x 2. In the morning before surgery and in the evening after surgery.~Anxiolytic and analgesic study: 10 mg x 4. Evening the day before surgery, the morning before surgery, immediately after surgery and the evening after surgery.
- Placebo (Type: PLACEBO_COMPARATOR): Gelatin capsules. Anxiolytic and analgesic study. Evening the day before surgery, the morning before surgery, immediately after surgery and the evening after surgery.

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