Medical Information Only. Consult your healthcare provider before considering clinical trial enrollment.
Colonoscopy: later-stage trial registry
4 of 21 indexed Colonoscopy trials are currently recruiting, with more weight in Phase 3-4.
Corpus placement: #797 of 28,707 conditions by registered trial count.
21 US clinical trials · 4 currently recruiting · #797 of 28,707 conditions by registered trial count
Colonoscopy: 21 US clinical trials tracked, 4 recruiting.
Colonoscopy is the subject of 21 registered US clinical trials on ClinicalTrials.gov, 4 of them currently open to new participants. 7 are in Phase 3-4 (later-stage) and 2 in Phase 1-2 (earlier-stage). The most active sponsor is Braintree Laboratories, running 4 of these trials.
Enrollment posture brief
Registry condition colonoscopy
OPEN 4 | RECR 19% | LATE 7 | EARLY 2 | RANK #797 | SPON 4
Volume-matched condition peers
Nearest open-share peer: Fatty Liver (19% recruiting · 21 trials)
Colonoscopy lists 4 open slots (19% of 21 indexed trials). Peers are matched on registered volume, not therapeutic-area browse lists. How peer matching works →
Key findings
What ClinicalTrials.gov does not surface for Colonoscopy on its own pages , computed from the registry mirror as of 2026-08-08. Each line carries its own denominator so it can be quoted as it stands.
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Colonoscopy is recruiting below its size-band peers.
4 of 21 indexed trials (19%) are open to enrollment, against a 39.7% average across 762 conditions with 20-99 trials. The peer set uses the same ClinicalTrials.gov-derived counts as this page.
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One sponsor concentrates Colonoscopy research.
Braintree Laboratories accounts for 4 of 21 trials (19%). 16 distinct sponsors appear on at least one study for this condition label.
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Typical Colonoscopy enrolment sits around 229 participants.
Median target enrolment is 229 among the 21 trials that report a genuine target (sentinel values excluded). 3 of those (14.3%) plan for fewer than 100 participants.
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Colonoscopy research is mostly interventional.
17 interventional and 4 observational studies make up this index (81% interventional). Study type is sponsor-reported on ClinicalTrials.gov.
Open and recent trials
21 total, page 1 of 1
Can Overall Adenoma Detection Rate Replace Screening Adenoma Detection Rate ? Multicenter Study
Evergreen General Hospital, Taiwan
NCT05125939
Endoscopic Resection of Large Colorectal Polyps: An Observational Cohort Study
White River Junction Veterans Affairs Medical Center
NCT04220905
Impact of Artificial Intelligence on Trainee Polyp Miss Rates
Northwestern University
NCT06676930
Can Nitrous Oxide (Laughing Gas) be Used as a Sedative for GI Endoscopy Procedures?
Stanford University
NCT05396144
Cold Snare Endoscopic Mucosal Resection Trial
White River Junction Veterans Affairs Medical Center
NCT03865537
A Safety Study of 3 Different Bowel Cleansing Preparations
Braintree Laboratories
NCT01501513
Study 301: BLI4900 Versus an FDA-approved Comparator in Adult Subjects Prior to Colonoscopy
Braintree Laboratories
NCT04446299
Impact of a Novel Patient Educational Booklet on Colonoscopy Quality
VA Greater Los Angeles Healthcare System
NCT00975247
A Phase III Study of the Efficacy and Safety of Remimazolam Compared to Placebo and Midazolam in Colonoscopy Patients
Paion UK
NCT02290873
Residual Gastric Volume in Same Day Versus Split Dose and Evening Before Bowel Preparation
The Cleveland Clinic
NCT02264249
A Trial Comparing Split-Dose Miralax With Amitiza Pretreatment Versus Dulcolax Pretreatment Versus Golytely for Bowel Cleansing Prior to Colonoscopy
Brooke Army Medical Center
NCT00953017
BLI-800-301: BLI-800 vs an Active Control Bowel Preparation in Adult Subjects Undergoing Colonoscopy
Braintree Laboratories
NCT00503607
Clinical Evaluation of Water Immersion Colonoscopy Insertion Technique
VA Palo Alto Health Care System
NCT00671177
HalfLytely Bowel Prep System for Colonoscopy
Braintree Laboratories
NCT00164164
Morning-Only 4 L PEG vs Split Dose Prep for Afternoon Colonoscopies, Endoscopist-Blinded Prospective Study
The Cleveland Clinic
NCT02643316
Comparison of Oxygenation and Ventilation With a Novel Nasal Mask Versus Standard of Care During Colonoscopy
Vanderbilt University Medical Center
NCT03139448
New Bowel Preparation Scale for Measuring Colon Cleanliness
Gastroenterology Services
NCT01635725
CapsoCam® Colon Capsule Endoscope (CCE) Compared to Colonoscopy (OC)
Capso Vision
NCT04246632
EGD-assisted Bowel Preparation for Colonoscopy
Rockford Gastroenterology Associates
NCT01563744
Evaluation of PillCam® Colon 2 Capsule Endoscopy Regimen
Medtronic - MITG
NCT01185002
Safety, Efficacy, and Patient Preference of Split-Dose Crystalline Lactulose as a Preparation for Colonoscopy in Adults
Benaroya Research Institute
NCT01650870
Phase Distribution
| Phase | Trial count |
|---|---|
| Phase 2 | 2 |
| Phase 3 | 5 |
| Phase 4 | 2 |
Top Sponsors
Named interventions
Most-linked intervention names on Colonoscopy records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.
US sites by state
Facility locations filed on Colonoscopy trials. A trial with sites in several states counts in each.
Source: ClinicalTrials.gov, National Library of Medicine. Data is informational only.
Related
What to do with this Colonoscopy page
21 registered trials, 4 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.
- 4 Colonoscopy trials are currently recruiting, check eligibility criteria before contacting a site. Browse recruiting trials
- Braintree Laboratories sponsors the most Colonoscopy trials on record, review their full trial history before evaluating a specific study. See Braintree Laboratories's trials
- Bring the specific trial ID (NCT number) to your own doctor before enrolling, this page is a directory, not medical guidance. Read the trial-finding guide
Trial and recruiting counts reflect ClinicalTrials.gov registry status as of the data vintage above; individual trial eligibility and enrollment status can change.
Every figure on PlainTrial is rendered directly from the ClinicalTrials.gov registry, no number is typed in by an editor. This Colonoscopy condition card totals 21 registered trials; most-linked intervention PillCam® COLON 2 procedure using reduced dose of Suprep boosts; top US site state California. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.