Senna trials recruiting now

4 registrations that name senna as a study arm and are recruiting or about to, as ClinicalTrials.gov listed them on Oct 20, 2026. Read each listing for its full criteria and current status.

Kymata never assesses eligibility. Each listing names its own criteria; only its study team can say whether someone can join. Trial doses are given under the trial's monitoring and are not a schedule for anyone outside it.

Filter 4 registrations

Status

Phase

6US sites across 5 states

All 4 registrations

RecruitingNCT04113382

Study Assessing CLENPIQ as Bowel Preparation for Pediatric Colonoscopy

  • Phase 1 and 2
  • Ferring Pharmaceuticals
  • About 39 people
  • Started Jun 23, 2022

In plain words A Phase 1 and 2 study of senna in people 12 months to 8, run by Ferring Pharmaceuticals. It plans to enroll about 39 people at 4 US sites.

Who it lists and where

Who the trial lists, as registered

Lists people 12 months to 8. Conditions: Bowel Preparation.

  • Male or female, aged 12 months to <9 years being scheduled to undergo elective colonoscopy.
  • Weight ≥10 kg (≥22 lbs).
  • Participants must have had regular spontaneous bowel movements (SBM) weekly for 1 month prior to the colonoscopy.
  • Written informed consent (by parent(s)/ caregiver(s)/ guardian(s)) and assent (if applicable) obtained at screening.

The exclusion criteria are on the listing.

What it tests, as registered

CLENPIQ; MIRALAX; SENNA

Registered summary

Bowel preparation for pediatric colonoscopy.

Where, as registered

4 US sites in 3 states.

RecruitingNCT06825260

PEG3350 vs Senna After Urogyn Surgery

  • Phase 4
  • St. Joseph's Health, New York
  • About 254 people
  • Started Apr 23, 2025

In plain words A Phase 4 study of senna in female participants 18 and older, run by St. Joseph's Health, New York. It plans to enroll about 254 people at 1 US site.

Who it lists and where

Who the trial lists, as registered

Lists female participants 18 and older; healthy volunteers accepted. Conditions: Obstructive Defecation Syndrome; Postoperative Constipation.

What it tests, as registered

Senna; Polyethylene glycol 3350

Registered summary

The goal of this study is to evaluate whether polyethylene glycol 3350 (PEG3350) versus senna is better at relieving postoperative constipation after urogynecologic surgery. The main questions it aims to answer are: What number of patients taking PEG3350 have obstructed defecation syndrome (ODS), a form of constipation, vs those taking senna in the week after urogynecologic surgery? What patient-level and procedure-level characteristics are associated with postoperative ODS, in patients taking PEG3350 vs senna? participants will: Take their randomized medication daily for seven days after… The full summary is on the listing.

Where, as registered

1 US site in 1 state.

RecruitingNCT06335797

Optimization of Postoperative Bowel Habits

  • No phase
  • Wake Forest University Health Sciences
  • About 88 people
  • Started Oct 16, 2024

In plain words A study of senna in female participants 18 and older, run by Wake Forest University Health Sciences. It plans to enroll about 88 people at 1 US site.

Who it lists and where

Who the trial lists, as registered

Lists female participants 18 and older. Conditions: Constipation.

  • Women ages 18 and older scheduled to undergo vaginal pelvic organ prolapse repair

The exclusion criteria are on the listing.

What it tests, as registered

Senna Tab; Dulcolax Suppositories

Registered summary

Project is a trial, in which women undergoing vaginal surgery for pelvic organ prolapse will be randomized 1:1 to a postoperative bowel regimen of either oral senna or rectal bisacodyl suppository.

Where, as registered

1 US site in 1 state.

Not yet recruitingNCT07604025

Senna vs. Polyethylene Glycol 3350 for the Treatment of Retentive Encopresis in Children

  • Early phase 1
  • Shaare Zedek Medical Center
  • About 80 people
  • Starts Jul 1, 2026 (estimated)

In plain words An early phase 1 study of senna in people 4 to 17, run by Shaare Zedek Medical Center. It plans to enroll about 80 people at 2 sites, none in the US.

Who it lists and where

Who the trial lists, as registered

Lists people 4 to 17. Conditions: Encopresis With Constipation and Overflow Incontinence.

  • Children aged 4 to 18 years.
  • Diagnosis of functional constipation according to Rome IV criteria.
  • Fecal incontinence occurring ≥4 times per week.
  • Treatment-naïve or treatment-experienced (i.e., any of the following treatments in the past: PEG, senna, bisacodyl and rectal disimpaction) patients.

The exclusion criteria are on the listing.

What it tests, as registered

PEG 3350; Senna

Registered summary

The goal of this clinical trial is to learn which treatment is more effective for children with functional constipation (FC) and fecal incontinence (FI), also called retentive encopresis. Functional constipation is common in children and can cause pain, embarrassment, social stress, and repeated medical visits. One of the hardest symptoms to treat is fecal incontinence. Two common treatments are polyethylene glycol 3350 (PEG), an osmotic laxative, and Senna, a plant-based stimulant laxative. The full summary is on the listing.

Where, as registered

No US site; Israel (2).

ClinicalTrials.gov lists 6 open registrations for this search, including ones where senna is not a study arm or that are past the 4 we keep. Search them on ClinicalTrials.gov (opens in new tab).

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