| Not Yet Recruiting | Co-supplementation With Bifidobacterium Longum W11 and Colopectin for Maintenance Therapy in Children With Fun NCT07536698 | Liaquat University of Medical & Health Sciences | N/A |
| Not Yet Recruiting | Probiotics for Constipation Relief in Adults NCT07507955 | Wecare Probiotics Co., Ltd. | N/A |
| Recruiting | BioAmicus Complete for Functional Gastrointestinal Symptoms in Infants Aged 0 to 24 Months NCT07148583 | Haiphong University of Medicine and Pharmacy | N/A |
| Recruiting | A Study of Herbal Supplements in Cancer Survivors With Constipation NCT07091084 | Memorial Sloan Kettering Cancer Center | N/A |
| Completed | A Study to Assess the Effect of the Bio-K+ Probiotic Capsules (VL-BK-02) in Adults With Functional Constipatio NCT06730594 | Vedic Lifesciences Pvt. Ltd. | N/A |
| Not Yet Recruiting | NutriPlant - Opportunities for Increasing Consumption of Local Fruits and Vegetables NCT06785831 | Institute of Nutrition, Slovenia (Nutris) | N/A |
| Recruiting | A Single Arm Pilot Study of the Chinese Herbal Medicine Formula (SCD-2101) for the Functional Constipation in NCT06534996 | Hong Kong Baptist University | N/A |
| Recruiting | The Efficacy and Palatability of Developed Polyethylene Glycol-based Formula for Children With Functional Cons NCT06357897 | Chulalongkorn University | N/A |
| Unknown | Efficacy and Safety Evaluation of Prebiotics Combined With Quadruple Probiotics in Improving Functional Consti NCT06277505 | The First Affiliated Hospital of Xiamen University | N/A |
| Not Yet Recruiting | Comparison of Efficacy & Tolerability Of PEG 4000 Versus PEG 3350+ Electrolytes for Pediatric Fecal Disimpacti NCT06349031 | Institute of Medical Sciences and SUM Hospital | Phase 4 |
| Unknown | Abdominal Massage and Kegel Exercises on Constipation and Quality of Life in Female Students NCT06290830 | Ondokuz Mayıs University | N/A |
| Completed | The Efficacy of a Probiotic for Functional Constipation (FC) NCT06083311 | The Archer-Daniels-Midland Company | N/A |
| Unknown | Visceral Osteopathy in Functional Constipation NCT06196073 | Pamukkale University | N/A |
| Completed | Effect of Therapeutic Touch on Functional Constipation in Infants and Young Children NCT06353841 | Burdur Mehmet Akif Ersoy University | N/A |
| Completed | A Study to Assess Adverse Events and Change in Disease Activity in Pediatric Participants (Age 6 Months to <2 NCT05760313 | AbbVie | Phase 2 |
| Completed | Congrong Runtong Oral Liquid in the Treatment of Functional Constipation (Yang-deficiency Type) NCT05803161 | Beijing Hospital of Traditional Chinese Medicine | Phase 2 |
| Completed | Study for the Management of Chronic and Functional Constipation Through the Intake of Probiotics and Prebiotic NCT06381193 | Centros de Investigación de Nutrición y Salud | N/A |
| Completed | Effect of MiniGo As Add-on to Oral Laxatives for Children with Constipation and Fecal Incontinence NCT05570318 | University of Aarhus | N/A |
| Unknown | Evaluation of the Efficacy of a New Specific Infant Formula in Case of Functional Constipation NCT05340712 | United Pharmaceuticals | N/A |
| Unknown | Colonoscopic Probiotics Infusion for Functional Gastrointestinal Disease NCT05366335 | First Affiliated Hospital Xi'an Jiaotong University | Phase 4 |
| Completed | Efficacy and Safety of Plecanatide Comparing With Placebo in the Treatment of Functional Constipation NCT05151328 | Shandong Luoxin Pharmaceutical Group Stock Co., Ltd. | Phase 3 |
| Completed | Effect of Spinal Magnetic Stimulation on Management of Functional Constipation in Adults NCT05221255 | University of Alexandria | N/A |
| Completed | IBS-C Questionnaire Study NCT04968652 | AstraZeneca | — |
| Completed | Effects of Different Physiotherapy Programs on Functional Constipation NCT04710654 | Muş Alparslan University | N/A |
| Terminated | Non-invasive Assessment of Colonic Motility NCT04624334 | Radboud University Medical Center | — |
| Completed | Adherence and Outcomes in Functional Constipation With a Constipation Action Plan NCT04614935 | University of Alabama at Birmingham | N/A |
| Recruiting | Functional Digestive Disorders Observatory NCT04918329 | University Hospital, Rouen | — |
| Completed | A Proof of Concept Study of Pradigastat in Patients With Functional Constipation NCT04620161 | Anji Pharma | Phase 2 |
| Completed | Effect of an 8-week Bifidobacterium Lactis HN019 Supplementation on Functional Constipation NCT04231162 | Danisco | N/A |
| Completed | Clinical Implementation of a Pictographic Constipation Action Plan for Children With Functional Constipation NCT05437523 | Walter Reed National Military Medical Center | N/A |
| Recruiting | Efficacy of Conservative Treatment of Functional Defecatory Disorders in Females With Pelvic Organ Prolapse NCT04547816 | Federal State Budgetary Scientific Institution "Federal Research Centre of Nutrition, Biotechnology | Phase 3 |
| Unknown | The Inside Study: Oligosaccharides Versus Placebo in Functional Constipation NCT04282551 | Wageningen University and Research | N/A |
| Completed | Effect of Probiotics on Functional Constipation in Adults NCT04437147 | Luciane Cruz Lopes | N/A |
| Completed | The Utility of Virtual Reality in the Management of Pediatric Functional Constipation With Pelvic Floor Dysfun NCT04172948 | Stanford University | N/A |
| Completed | Long-term Safety of Linaclotide in Pediatric Participants With FC or IBS-C NCT04166058 | AbbVie | Phase 3 |
| Completed | Linaclotide Safety and Efficacy in 2 to 5-Year-Old Participants With Functional Constipation NCT04110145 | Allergan | Phase 2 |
| Completed | Linaclotide Safety and Efficacy in Pediatric Participants, 6 to 17 Years of Age, With Irritable Bowel Syndrome NCT04026113 | AbbVie | Phase 3 |
| Unknown | Evaluation of a Supplement of Agave Tequilana Weber Azul vs Psyllium Plantago in Patients With Functional Cons NCT04716868 | Instituto Nacional de Ciencias Medicas y Nutricion Salvador Zubiran | N/A |
| Completed | Efficacy and Safety of Vibrating Capsule in Patients With Functional Constipation NCT04671264 | Changhai Hospital | N/A |
| Completed | The Effect of Probiotics on Functional Constipation in the Elderly NCT04506801 | Katarina Fehir Šola | N/A |
| Unknown | Dried Plums (Prunes) vs. Polyethylene Glycol 4000 for Treatment of Functional Constipation in Children NCT03639142 | Medical University of Warsaw | Phase 3 |
| Completed | Observational Prospective Study With Probiotic Supplementation on Infants With FGDI NCT04944628 | AB Biotics, SA | — |
| Completed | Efficacy of Electroacupuncture Compared With Transcutaneous Electric Nerve Stimulation for Functional Constipa NCT03391635 | Guang'anmen Hospital of China Academy of Chinese Medical Sciences | N/A |
| Terminated | The Use of Lactobacillus Reuteri in Functional Constipation in Children NCT03333070 | HaEmek Medical Center, Israel | N/A |
| Completed | Evaluating Efficacy of Investigational Products on Spontaneous Bowel Movements in Healthy People With ≤ 3 Comp NCT03462199 | AIDP, Inc. | N/A |
| Unknown | Early Screening of Emotional, Behavioral and Autism Spectrum Disorders in Children With Functional Constipatio NCT03614000 | Universitair Ziekenhuis Brussel | N/A |
| Completed | Study of NGM282 in Subjects With Functional Constipation and Healthy Individuals NCT02649062 | NGM Biopharmaceuticals, Inc | Phase 1 / Phase 2 |
| Completed | Effect of Lactobacillus Gasseri DSM 27123 on Functional Constipation in Healthy Women NCT02592200 | BioGaia AB | N/A |
| Completed | Effect of scFOS on Increase in Stool Frequency in Constipated People NCT03707002 | Syral | N/A |
| Completed | Phase 1/2a Trial of YH12852 in Healthy Subjects and Patients With Functional Constipation NCT02538367 | Yuhan Corporation | Phase 1 / Phase 2 |
| Completed | An Evaluation of the Effectiveness of a Proprietary Probiotic Blend on Functional Constipation NCT02418507 | KGK Science Inc. | Phase 2 |
| Unknown | The Comorbidity of Benign Hypermobility Joint Syndrome and Functional Constipation in Children NCT02854098 | Medical University of Warsaw | — |
| Completed | Dose-ranging Efficacy of Polydextrose Supplement on Colonic Transit Time and Symptoms in Adults With Functiona NCT02314936 | KGK Science Inc. | Phase 2 |
| Completed | Effects of Synbiotics on FC and Other Contributing Factors NCT04620317 | Universiti Putra Malaysia | N/A |
| Completed | A Randomized, Open-label, Three-arm Study of MZRW on Tolerability, Exposure and Pharmacokinetics NCT02359396 | Hong Kong Baptist University | Phase 1 |
| Unknown | Botulinum Toxin Injection Versus Anal Myectomy in Management of Idiopathic Constipation NCT02361749 | Cairo University | Phase 4 |
| Completed | The Effect of Probiotics on Constipation, and Intestinal Microflora in Children With Functional Constipation NCT03054805 | Chang Gung Memorial Hospital | Phase 4 |
| Completed | Trial on Short-chain Fructooligosaccharides, Microbiota, and Constipation in Adults NCT02140749 | NIZO Food Research | N/A |
| Unknown | The Effect of Bifidobacterium Lactis and Inulin on Functional Constipation NCT01913665 | Eskisehir Osmangazi University | N/A |
| Completed | The Effects of a Ficus Carica in Subjects With Functional Constipation NCT02138851 | Chonbuk National University Hospital | Phase 2 / Phase 3 |
| Completed | A Double-blinded,Double-dummy Clinical Trial of Chinese Herbal Medicine (MaZiRenWan) for Functional Constipati NCT01695850 | Hong Kong Baptist University | Phase 2 |
| Terminated | A Trial of Three Types of Enemas Used to Treat Functional Constipation in Children NCT01823848 | Children's Hospital Los Angeles | N/A |
| Unknown | Electroacupuncture for the Treatment of Functional Constipation NCT01781897 | Huazhong University of Science and Technology | Phase 1 |
| Completed | Effects of scFOS on Stool Frequency in People With Functionnal Constipation NCT01847950 | Syral | N/A |
| Completed | Comparison of Rice Based-meal on Functional Constipation in Young Korean Women NCT01933100 | Chonbuk National University Hospital | N/A |
| Unknown | Multistrain Probiotic for Functional Constipation NCT01618617 | Renew Life Formulas Inc | Phase 2 / Phase 3 |
| Completed | A Phase 2 Study to Evaluate Pharmacodynamics of YKP10811 in Patients With Chronic or Functional Constipation NCT01523184 | SK Life Science, Inc. | Phase 2 |
| Terminated | Dose-Responsive Effect of Polydextrose on Whole Gut Transit Time NCT01540669 | Danisco | N/A |
| Completed | Lactobacillus Reuteri in Adult With Functional Chronic Constipation NCT01870700 | Catholic University, Italy | Phase 3 |
| Completed | Effect of TU-100 in Patients With Functional Constipation NCT01348152 | Tsumura USA | Phase 2 |
| Completed | Mode of Action of Moviprep NCT01622972 | University of Nottingham | Phase 4 |
| Unknown | Lactobacillus Reuteri in Children With Constipation NCT01388712 | Children's Memorial Health Institute, Poland | Phase 4 |
| Completed | Prucalopride in Pediatric Subjects With Functional Constipation NCT01330381 | Shire | Phase 3 |
| Completed | Lactobacillus Reuteri DSM 17938 in Functional Constipation NCT01244945 | Azienda Ospedaliera Specializzata in Gastroenterologia Saverio de Bellis | Phase 4 |
| Unknown | Trial for Quantity-Effect Relationship of Acupuncture With Two-ways Regulation to Treat Functional Enteropathy NCT01274793 | Huazhong University of Science and Technology | Phase 1 |
| Completed | Probiotic-enriched Artichoke in Functional Constipation NCT01212146 | Azienda Ospedaliera Specializzata in Gastroenterologia Saverio de Bellis | N/A |
| Completed | Effect of TU-100 on Rectal Compliance, Rectal Sensation and Small Bowel and Colonic Transit in Females With Co NCT01139216 | Tsumura USA | Phase 1 / Phase 2 |
| Completed | The Effects of a Ficus Carica on Improvement in Bowl Movements in Female Volunteer With Functional Constipatio NCT01185431 | Chonbuk National University Hospital | N/A |
| Completed | Effect of Ileal Bile Acid Transporter Inhibitor in Functional Constipation NCT01038687 | Michael Camilleri, MD | Phase 2 |
| Completed | Glucomannan for Childhood Functional Constipation. NCT01151878 | Medical University of Warsaw | Phase 3 |