| E.1 Medical condition or disease under investigation | 
| E.1.1 | Medical condition(s) being investigated  | 
 | 
| E.1.1.1 | Medical condition in easily understood language  | 
| Constipation with stool frequency < 3 per week | 
 
 
 | 
| E.1.1.2 | Therapeutic area  | Diseases [C] - Digestive System Diseases [C06] | 
| MedDRA Classification | 
| E.1.2 Medical condition or disease under investigation | 
| E.1.2 | Version  | 20.0 | 
 
| E.1.2 | Level  | PT | 
 
| E.1.2 | Classification code  | 10010774 | 
 
| E.1.2 | Term  | Constipation | 
 
| E.1.2 | System Organ Class  | 10017947 - Gastrointestinal disorders | 
 
 
 | 
| E.1.3 | Condition being studied is a rare disease  |  No  | 
| E.2 Objective of the trial | 
| E.2.1 | Main objective of the trial  | 
| To assess the efficacy of MACRORANGE® in patients with functional constipation (according to Rome III criteria) after daily administration of MACRORANGE® up to 14 days.  | 
 
 
 | 
| E.2.2 | Secondary objectives of the trial  | 
To describe the average daily dosage of MACRORANGE® from Day 3 up to End of Study. To further evaluate the tolerance of MACRORANGE® in patients with functional constipation. To evaluate the taste of MACRORANGE®. 
 | 
 
 
 | 
| E.2.3 | Trial contains a sub-study  |  No  | 
| E.3 | Principal inclusion criteria  | 
• Age of the patients: ≥ 18 years of age; • Male and female patients; • Stool frequency < 3 per week; • Functional constipation as defined in constipation module of ROME III | 
 
 
 | 
| E.4 | Principal exclusion criteria | 
• Irritable Bowel Syndrome (IBS specifically type C); • Hypersensitivity to the active substances or any excipients; • Organic inflammatory bowel disease (ulcerative rectocolitis, Crohn’s disease); • Toxic megacolon; • Gastrointestinal obstruction or subocclusive syndromes; • Allergic to aspartame; • Painful abdominal syndromes of undetermined origin; • Existing partial colectomy or bariatric surgery (gastric bypass type); • Presumed non-cooperativeness; • Concomitant treatment from start of wash-out period until discharge from the study with any medication that may alter the gastrointestinal motility (see section 6.2.2) in the opinion of the Investigator; • Legal incapacity; • Any clinical condition which does not justify study participation in the Investigator's opinion; • Participation ≤ 8 weeks in a clinical trial;  • Parallel participation in a clinical trial; • Repeated participation in this clinical trial. | 
 
 
 | 
| E.5 End points | 
| E.5.1 | Primary end point(s) | 
After a washout of one week, the primary endpoint will be: • The average number of complete spontaneous defecations per week for a 2 weeks period. 
 | 
 
 
 | 
| E.5.1.1 | Timepoint(s) of evaluation of this end point | 
| Everyday during the 2-weeks treatment period (via a patient diary) | 
 
 
 | 
| E.5.2 | Secondary end point(s) | 
Complete spontaneous defecations: • Change from baseline of the average number of complete spontaneous defecations per week for a 2 weeks period; • Average number of complete spontaneous defecations per week from Day 1 up to Day 7; • Average number of complete spontaneous defecations per week from Day 8 up to End of study. 	
 Other endpoints: • Average of daily dosage of MACRORANGE® from Day 3 up to End of study; • Results of the constipation symptoms; • Results of the Clinical Global Impression (CGI, independent rater) as provided in Appendix 3; • Results of the Global assessment of efficacy (patient) in Appendix 3; • Assessment of safety parameters: adverse events, laboratory test results, ordinal scales regarding tolerability; • Taste of MACRORANGE®. 
 | 
 
 
 | 
| E.5.2.1 | Timepoint(s) of evaluation of this end point | 
| Everyday during the 2-weeks treatment period (via a patient diary) and/or during the study visits scheduled at Day 1,  Day 8 and Day 15. | 
 
 
 | 
| E.6 and E.7 Scope of the trial | 
| E.6 | Scope of the trial | 
| E.6.1 | Diagnosis |  No  | 
| E.6.2 | Prophylaxis |  No  | 
| E.6.3 | Therapy |  No  | 
| E.6.4 | Safety |  Yes  | 
| E.6.5 | Efficacy |  Yes  | 
| E.6.6 | Pharmacokinetic |  No  | 
| E.6.7 | Pharmacodynamic |  No  | 
| E.6.8 | Bioequivalence |  No  | 
| E.6.9 | Dose response |  No  | 
| E.6.10 | Pharmacogenetic |  No  | 
| E.6.11 | Pharmacogenomic |  No  | 
| E.6.12 | Pharmacoeconomic |  No  | 
| E.6.13 | Others |  No  | 
| E.7 | Trial type and phase | 
| E.7.1 | Human pharmacology (Phase I) |  No  | 
| E.7.1.1 | First administration to humans |  No  | 
| E.7.1.2 | Bioequivalence study |  No  | 
| E.7.1.3 | Other |  No  | 
| E.7.1.3.1 | Other trial type description |  | 
| E.7.2 | Therapeutic exploratory (Phase II) |  Yes  | 
| E.7.3 | Therapeutic confirmatory (Phase III) |  No  | 
| E.7.4 | Therapeutic use (Phase IV) |  No  | 
| E.8 Design of the trial | 
| E.8.1 | Controlled |  No  | 
| E.8.1.1 | Randomised |  No  | 
| E.8.1.2 | Open |  Yes  | 
| E.8.1.3 | Single blind |  No  | 
| E.8.1.4 | Double blind  |  No  | 
| E.8.1.5 | Parallel group |  No  | 
| E.8.1.6 | Cross over  |  No  | 
| E.8.1.7 | Other |  No  | 
| E.8.2 |  Comparator of controlled trial | 
| E.8.2.1 | Other medicinal product(s) |  No  | 
| E.8.2.2 | Placebo  |  No  | 
| E.8.2.3 | Other |  No  | 
| E.8.3 | 
                                The trial involves single site in the Member State concerned
                             |  Yes  | 
| E.8.4 |  The trial involves multiple sites in the Member State concerned  |  No  | 
| E.8.5 | The trial involves multiple Member States |  No  | 
| E.8.6 Trial involving sites outside the EEA | 
| E.8.6.1 | Trial being conducted both within and outside the EEA |  No  | 
| E.8.6.2 | Trial being conducted completely outside of the EEA |  No  | 
| E.8.7 | Trial has a data monitoring committee |  No  | 
| E.8.8 | 
                        Definition of the end of the trial and justification where it is not the last
                        visit of the last subject undergoing the trial
                     | 
 | 
| E.8.9 Initial estimate of the duration of the trial | 
| E.8.9.1 | In the Member State concerned years |  | 
| E.8.9.1 | In the Member State concerned months | 6 | 
| E.8.9.1 | In the Member State concerned days |  |