Home/Rare Diseases/Short Bowel Syndrome

Gastrointestinal

Short Bowel Syndrome (SBS) Clinical Trials and Treatments

Also called SBS, Short Gut Syndrome

Short Bowel Syndrome results from loss of sufficient small intestinal length or function, typically defined as less than 150-200 cm of functioning small bowel (normal is 300-600 cm). The loss of absorptive surface area leads to malabsorption of water, electrolytes, nutrients, and medications.

View 24 active trialsMatch me to a trial

About Short Bowel Syndrome

Short Bowel Syndrome results from loss of sufficient small intestinal length or function, typically defined as less than 150-200 cm of functioning small bowel (normal is 300-600 cm). The loss of absorptive surface area leads to malabsorption of water, electrolytes, nutrients, and medications. The severity depends on the length and location of remaining bowel (duodenum and jejunum preferentially absorb certain nutrients and are more crucial than ileum), whether the colon is present (colonic presence improves prognosis), and intestinal adaptation.

After resection, the remaining bowel undergoes adaptive changes over months to years, including increased absorptive capacity per unit length through villous elongation and mucosal thickening. However, adaptation has limits.

Most patients become parenteral nutrition-dependent, with associated complications including central line infections, cholestasis (liver disease), and thrombosis. Quality of life is significantly impacted by dependence on intravenous nutrition, dietary restrictions, and chronic diarrhea. Intestinal bacterial overgrowth frequently complicates Short Bowel Syndrome. Some patients can eventually achieve nutritional independence through dietary modifications, medications (antiperislatics), and supportive measures.

Common Symptoms of Short Bowel Syndrome

Recognizing the signs of Short Bowel Syndrome early can lead to faster diagnosis and better outcomes. Symptoms may vary in severity from person to person. If you or a loved one are experiencing any of the following, consider speaking with a specialist.

  • Chronic severe diarrhea
  • Malabsorption with nutrient deficiencies
  • Abdominal pain and cramping
  • Nausea and loss of appetite
  • Steatorrhea (fatty, foul-smelling stools)
  • Weight loss and failure to thrive in children

Who Short Bowel Syndrome Affects

Short Bowel Syndrome results from surgical resection (most commonly due to Crohn's disease, mesenteric ischemia, trauma, or surgical complications) or congenital conditions. It can develop at any age, in both children and adults.

In children, congenital short bowel from small intestinal atresia or gastroschisis is the primary cause. In adults, disease-related resection (Crohn's disease) or vascular events (mesenteric infarction) predominate. Long-term outcomes depend on the length and location of remaining bowel.

Find Your Next Step

Answer a few questions and we'll point you to the right tools and information for where you are right now.

Where are you in your Short Bowel Syndrome journey?

Help Paying for Short Bowel Syndrome Treatment

Charity funds and drugmaker programs for Short Bowel Syndrome, checked at the source. Pick your insurance to see what fits.

Your insurance
Charity funds
  • From a charity · NORD RareCare
    Short Bowel Syndrome Medical Assistance fund
    Open

    Pays for: Medical and medication costs.

    The foundation says: “Accepting new applications and re-enrollments for current year”
  • From a charity · NORD RareCare
    Short Bowel Syndrome Premium Copay Assistance fund
    Open

    Pays for: Insurance premiums and copays.

    The foundation says: “Accepting new applications and re-enrollments for current year”
  • From a charity · The Assistance Fund
    Short Bowel Syndrome fund
    Open

    Pays for: Copays, coinsurance, deductibles and other health-related expenses.

    The foundation says: “OPEN — Accepting New Patients. TAF is currently accepting new patient enrollments for this program.”
Status as each foundation showed it on September 28, 2026.

Open the full patient assistance finder →

Side Effect Explorer

Real-world side effect reports from the FDA Adverse Event Reporting System (FAERS). Includes both FDA-approved drugs and investigational therapies from active clinical trials. Click any drug to see what patients reported.

Loading side effect data...

Questions about side effects?
I can help you understand what these reports mean
Tap to start:
Or start with one of these

Diagnosis and Testing

Almost always follows surgical removal of small intestine (necrotizing enterocolitis or birth defects in infants; Crohn's disease, ischemia or trauma in adults).

Trusted Short Bowel Syndrome Resources

Reputable organizations and medical references for learning more about Short Bowel Syndrome, including disease registries, foundation resources, and clinical guidelines.

Active Clinical Trials for Short Bowel Syndrome

Use this Short Bowel Syndrome clinical trial finder to see the 22 studies recruiting patients and 2 opening soon in the United States and worldwide, with eligibility criteria in plain English. These studies play a critical role in advancing care for gastrointestinal conditions and may offer access to treatments not yet widely available. Each trial below is sourced directly from ClinicalTrials.gov, with eligibility criteria translated into plain English to help patients and caregivers evaluate whether a study may be a fit.

TrialsSite mapPipeline timeline

Note: Trial recruitment statuses on ClinicalTrials.gov may not immediately reflect recent FDA decisions, sponsor announcements, or enrollment changes. Always confirm a trial's current status directly with the study coordinator before making plans.

24 active trials worldwide
Filter:
Sort:
RECRUITINGPHASE3Recently updatedNCT07197944

Efficacy And Safety Evaluation of Glepaglutide in Treatment of SBS

Intervention: Glepaglutide, Placebo

Sponsor: Zealand Pharma

The purpose of the present Phase 3 trial is to confirm the efficacy and safety of glepaglutide 10 mg twice weekly in a patient population with SBS-IF and generate additional long-term safety data.

Ages 18 Years – 90 Years33 locations
Started Feb 2026Updated todayEst. Oct 2028 (~2 years)
RECRUITINGNARecently updatedNCT05535361

A Feasibility Study to Evaluate Safety and Probable Benefit of the Eclipse XL1 System for Distraction Enterogenesis in Adult and Pediatric Patients With Short Bowel Syndrome

Intervention: Distraction Enterogenesis in Adult Patients with Short Bowel Syndrome

Sponsor: Eclipse Regenesis, Inc.

A Feasibility Study to Evaluate Safety and Probable Benefit of the Eclipse XL1 System for Distraction Enterogenesis in Adult and Pediatric Patients with Short Bowel Syndrome

Ages 3 Months – 65 Years5 locations
Started Sep 2023Updated 1 month agoEst. Mar 2028 (~1y 5m)
RECRUITINGNARecently updatedNCT06668922

Irritable Bowel Syndrome and Control Volunteers: Diet Challenge

Intervention: Inulin

Sponsor: University of California, Los Angeles

The study will investigate the relationship between fecal bile acids, short-chain fatty acids (SCFAs), and the gut microbiota in irritable bowel syndrome (IBS). The central hypothesis of this study is that specific shifts in the GI microbiome composition correlate with altered co...

Ages 18 Years – 75 Years1 location
Started Nov 2024Updated 1 month agoEst. Dec 2029 (~3y 3m)
RECRUITINGPHASE2Recently updatedNCT04775706

Phase 2 Study to Assess the Safety, PK, and PD of Sonefpeglutide (HM15912) in SBS-IF Subjects

Intervention: HM15912 Active, Placebo

Sponsor: Hanmi Pharmaceutical Company Limited

This is a randomized, double-blind, placebo-controlled, proof-of-concept (PoC), Phase 2 study to assess the safety, PK, and PD of SC administration of HM15912(sonefpeglutide) in adult subjects with SBS-associated intestinal failure (SBS-IF).

Ages 18 Years+15 locations
Started Mar 2022Updated 1 month agoEst. Dec 2027 (~1y 3m)
RECRUITINGPHASE3Recently updatedNCT07742735

A Study to Investigate the Efficacy and Safety of Apraglutide Compared With Placebo in Adult Participants With Short Bowel Syndrome Associated With Intestinal Failure (SBS-IF)

Intervention: Apraglutide, Placebo

Sponsor: VectivBio AG · PSI CRO

This Phase 3 placebo-controlled study is planned to further investigate the efficacy, safety, and tolerability of apraglutide in the overall SBS-IF (short bowel syndrome associated with intestinal failure) population during 24 weeks of study treatment. It is expected that approxi...

Ages 18 Years+94 locations
Started Aug 2026Updated 1 month agoEst. Oct 2028 (~2y 1m)
Get trial alerts

Get notified when new Short Bowel Syndrome trials open or existing trials change status, add sites, or update eligibility.

We never share your email. Unsubscribe anytime.
Find Short Bowel Syndrome trials near you, ranked by distance →
Active trial locations33 cities in the US
+25 more

Trial Pipeline

Jan 2021 to Sep 2031
2021
2023
2025
2027
2029
2031
now
Phase 2
Phase 3
Phase 4
Observational
Observational
RecruitingOpening soonDelayed startTodayHover a bar for trial details
Need help understanding these trials?
Type your own question with a little about your situation, and get an answer with sources.
Tap to start:
Or start with one of these
Run a Short Bowel Syndrome foundation or patient group?
You can put this live trial list on your own website. It updates itself, and it's free.
Get the embed code →

Data from ClinicalTrials.gov, U.S. National Library of Medicine.
Always talk to your doctor before considering a clinical trial.

Patient Communities

Connect with other Short Bowel Syndrome patients, caregivers, and advocacy groups across Facebook groups, Reddit communities, and YouTube channels. These patient communities offer peer support, shared experiences, caregiver resources, and real-time discussion about Short Bowel Syndrome treatments, clinical trial participation, and day-to-day disease management.

Find the right community
Type your own question with a little about your situation, and get an answer with sources.
Tap to start:
Or start with one of these

Related Gastrointestinal Conditions

Other rare diseases in the gastrointestinal category. Patients with Short Bowel Syndrome may find relevant research, shared treatment pathways, or overlapping clinical trials among these related conditions.

Companies Developing Short Bowel Syndrome Treatments

5 pharmaceutical companies have Short Bowel Syndrome in their rare disease portfolio

Frequently Asked Questions About Short Bowel Syndrome