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Table 1 Study timetable and activities

From: The effectiveness of nifedipine/indomethacin combination therapy and nifedipine monotherapy for postponing preterm birth (25–34 weeks of gestation) in Sudanese women: a randomized clinical trial study protocol

Phase

Duration

Activities

Phase 1

6 months

1- Preparation of the study team

2- Preparation of the study drugs

3- Design of the study forms including patient database and inform consent

4- Trial approval by the required organization or body

5- Task distribution and training

Phase 1

12 months

1- Patient selection

2- Randomization

3- Administration of the trial treatment

4- Patient evaluation (pre−/post-trial)

5- Assessment of the target outcomes

6- Evaluation of complications or adverse reaction, if any

7- Analysis