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ClinicalTrials.gov 6 recruiting now early-phase tilt small index

Familial Adenomatous Polyposis: early-phase trial registry

6 of 11 indexed Familial Adenomatous Polyposis trials are currently recruiting, with more weight in Phase 1-2.

Corpus placement: #1,577 of 28,707 conditions by registered trial count.

11 US clinical trials · 6 currently recruiting · #1,577 of 28,707 conditions by registered trial count

Familial Adenomatous Polyposis: 11 US clinical trials tracked, 6 recruiting.

Familial Adenomatous Polyposis is the subject of 11 registered US clinical trials on ClinicalTrials.gov, 6 of them currently open to new participants. 1 are in Phase 3-4 (later-stage) and 4 in Phase 1-2 (earlier-stage). The most active sponsor is National Cancer Institute (NCI), running 3 of these trials.

Enrollment posture brief

Registry condition familial-adenomatous-polyposis

OPEN 6 | RECR 55% | LATE 1 | EARLY 4 | RANK #1577 | SPON 3

Nearest open-share peer: Advanced Ovarian Carcinoma (55% recruiting · 11 trials)

Acute Pancreatitis81.8%Familial Adenomatous Pol (th…55%Acute Stroke45.5%Acquired Brain Injury36.4%Acute Lung Injury9.1%
Open-enrollment share among volume-matched conditions near Familial Adenomatous Polyposis

Familial Adenomatous Polyposis lists 6 open slots (55% of 11 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 Familial Adenomatous Polyposis 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.

  1. Familial Adenomatous Polyposis is recruiting above its size-band peers.

    6 of 11 indexed trials (54.5%) are open to enrollment, against a 46.5% average across 27,806 conditions with fewer than 20 trials. The peer set uses the same ClinicalTrials.gov-derived counts as this page.

  2. One sponsor concentrates Familial Adenomatous Polyposis research.

    National Cancer Institute (NCI) accounts for 3 of 11 trials (27.3%). 8 distinct sponsors appear on at least one study for this condition label.

  3. Most Familial Adenomatous Polyposis trials plan to enrol fewer than 100 people.

    Median target enrolment is 44 among the 11 trials that report a genuine target (sentinel values excluded). 8 of those (72.7%) plan for fewer than 100 participants.

  4. Familial Adenomatous Polyposis research is mostly interventional.

    8 interventional and 3 observational studies make up this index (72.7% interventional). Study type is sponsor-reported on ClinicalTrials.gov.

Phase 12Phase 22Phase 31

Open and recent trials

11 total, page 1 of 1

RECRUITING 1,000 participants

A Personalized Surveillance and Intervention Protocol for Duodenal and Gastric Polyposis in Patients With Familial Adenomatous Polyposis

Academisch Medisch Centrum - Universiteit van Amsterdam (AMC-UvA)

NCT04677998

RECRUITING 1,000 participants

A Personalized Surveillance and Intervention Protocol for Patients With Familial Adenomatous Polyposis That Have Undergone (Procto)Colectomy

Academisch Medisch Centrum - Universiteit van Amsterdam (AMC-UvA)

NCT04678011

RECRUITING Phase 1 67 participants

Evaluate REC-4881 in Participants With Familial Adenomatous Polyposis (FAP)

Recursion Pharmaceuticals

NCT05552755

RECRUITING Phase 1 36 participants

Testing for Safety and Colorectal Cancer Preventive Effects of ONC201

National Cancer Institute (NCI)

NCT05630794

RECRUITING NA 32 participants

Trial of Exercise Therapy in Familial Adenomatous Polyp (FAP)

University of Michigan Rogel Cancer Center

NCT06641310

RECRUITING NA 20 participants

Investigation of β-hydroxybutyrate Supplementation as Chemoprevention in Familial Adenomatous Polyposis

Abramson Cancer Center at Penn Medicine

NCT06578637

ACTIVE NOT RECRUITING NA 44 participants

CryoBalloon Ablation for Treatment of Duodenal Adenomas

Johns Hopkins University

NCT03847636

ACTIVE NOT RECRUITING Phase 2 30 participants

Trial of ERapa to Prevent Progression in Familial Adenomatous Polyposis Patients Under Active Surveillance

Rapamycin Holdings

NCT04230499

COMPLETED Phase 3 171 participants

Trial of Eflornithine Plus Sulindac in Patients With Familial Adenomatous Polyposis (FAP)

Cancer Prevention Pharmaceuticals

NCT01483144

COMPLETED Phase 2 44 participants

Curcumin in Treating Patients With Familial Adenomatous Polyposis

National Cancer Institute (NCI)

NCT00641147

COMPLETED 42 participants

Review of Post-Study Clinical Endoscopy Reports in Follow Up to MAY2016-07-01

National Cancer Institute (NCI)

NCT04674228

Phase Distribution

PhaseTrial count
Phase 1 2
Phase 2 2
Phase 3 1

Named interventions

Most-linked intervention names on Familial Adenomatous Polyposis records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.

Personalized surveillance and intervention protocol Procedure
2 trials
Sulindac placebo Drug
1 trials
Sulindac 150 MG Drug
1 trials
Eflornithine Placebo Drug
1 trials
Encapsulated Rapamycin (eRapa) Drug
1 trials
CryoBalloon ablation Device
1 trials
REC-4881 Drug
1 trials
Exercise Therapy Procedure
1 trials

US sites by state

Facility locations filed on Familial Adenomatous Polyposis trials. A trial with sites in several states counts in each.

Texas 7 trials
Michigan 5 trials
Pennsylvania 4 trials
Ohio 4 trials
Missouri 3 trials
Minnesota 3 trials
Utah 2 trials
Maryland 2 trials

Source: ClinicalTrials.gov, National Library of Medicine. Data is informational only.

What to do with this Familial Adenomatous Polyposis page

11 registered trials, 6 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.

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 Familial Adenomatous Polyposis condition card totals 11 registered trials; most-linked intervention Personalized surveillance and intervention protocol; top US site state Texas. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.