Please assess the completion status of the following clinical trial:

Trial Title: Morphine for Treatment of Dyspnea in Patients With COPD

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

Eligibility Criteria:
Inclusion Criteria:~* Diagnosis of COPD according to the current Global strategy for the diagnosis, management, and prevention of chronic obstructive pulmonary disease (GOLD);~* Optimal pharmacological treatment, including including treatment with a combination of a long-acting muscarinic antagonist and an ultra-long-acting β-agonist;~* Grade 3 or 4 dyspnea on the mMRC dyspnea scale;~* Optimal non-pharmacological treatment defined as completed a comprehensive pulmonary rehabilitation program.~Exclusion Criteria:~* History of substance misuse;~* Exacerbation of COPD within two weeks of study enrolment;~* Waiting list for lung transplantation;~* Pregnant or childbearing potential not using contraception;~* Renal failure (creatinine clearance \<15mL/min);~* Not being able to read or fill in the questionnaires or diary;~* Allergy for morphine or its excipients;~* Concomitant use of irreversible MAO blockers;~* Use of opioids;~* History of convulsions;~* Head injury;~* Intestinal obstruction;~* Gastroparesis;~* Liver disease.

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

Study Arms:
- intervention (Type: ACTIVE_COMPARATOR): sustained release morphine
- control (Type: PLACEBO_COMPARATOR): placebo

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