> Trialight public data. Index of pages: https://trialight.com/llms.txt
> Web page: https://trialight.com/data/condition/classic-familial-adenomatous-polyposis-3e5f34e5-9319-567e-8ab8-cb7bb898a156
> Record changed: 2026-10-13

# Classic familial adenomatous polyposis

Rare disease

Yes

## Definition and classification

**Definition**

Familial adenomatous polyposis (FAP) is characterized by the development of hundreds to thousands of adenomas in the rectum and colon during the second decade of life.

**Genetic basis**

Yes

**Non-human condition**

No

**Rare disease**

Yes

**Listing at source**

Listed

**Condition name**

Classic familial adenomatous polyposis

### Alternative names (18)

- classic familial adenomatous polyposis
- FAP
- Familial Adenomatous Polyposis
- adenomatous polyposis coli
- classic FAP
- classic familial adenomatous polyposis
- colorectal adenomatous polyposis
- familial adenomatous polyposis
- familial adenomatous polyposis coli
- familial adenomatous polyposis syndrome
- familial polyposis
- familial polyposis coli
- hereditary adenomatous polyposis coli
- polyposis coli
- FPC
- familial adenomatous polyposis of the colon
- familial multiple polyposis
- hereditary polyposis coli

## Clinical profile

**Severity**

Severe

### Disease mechanisms (3)

- Genetic
- Hereditary
- Syndromic

## Identifiers

**MONDO ID**

MONDO:0021055

Source: [monarchinitiative.org](https://monarchinitiative.org/MONDO:0021055)

**Parent condition**

MONDO:0021057

## Related records

### Broader conditions (15)

- Cancer or benign tumor
- Classic or attenuated familial adenomatous polyposis
- Disease
- Disease by body system or component
- Disease by etiologic mechanism
- Disease of genetic or genomic mechanism
- Disease susceptibility
- Hereditary disease
- Hereditary neoplastic syndrome
- Human disease
- Inherited disease susceptibility
- Intestinal polyposis syndrome
- Neoplastic disease or syndrome
- Neoplastic syndrome
- Syndromic disease

### Narrower conditions (3)

- Familial adenomatous polyposis due to 5q22.2 microdeletion
- Gardner syndrome
- Turcot syndrome with polyposis

### Trials (109)

- 18F-FAPI PET in the Diagnosis of Liver Fibrosis
- 18F-FAPI-04 PET/CT and PET/MR in Patients With Various Types of Malignant Tumors
- 18F-FES PET/CT in Imaging Patients With Desmoid Tumors
- 68Ga-FAPI-LM3 PET/CT Imaging in Patients With FAP/SSTR2 Positive Disease and Compared With 18F-FDG
- 68Ga-PSFA PET Imaging in Patients With PSMA/FAP Positive Disease
- A Clinical Trial of COX and EGFR Inhibition in Familial Polyposis Patients
- A Clinical Trial of the Effectiveness and Safety of Software Assisting Diagnose the Intestinal Polyp Digestive Endoscopy by Analysis of Colonoscopy Medical Images From Electronic Digestive Endoscopy Equipment
- A Personalized Surveillance and Intervention Protocol for Duodenal and Gastric Polyposis in Patients With Familial Adenomatous Polyposis
- A Personalized Surveillance and Intervention Protocol for Patients With Familial Adenomatous Polyposis That Have Undergone (Procto)Colectomy
- A Safety Study of ST316 in Participants With Familial Adenomatous Polyposis (FAP).
- A Study of Guselkumab in Participants With Familial Adenomatous Polyposis
- A Study of JNJ-64251330 in Participants With Familial Adenomatous Polyposis
- A Study of Rofecoxib in Familial Adenomatous Polyposis (FAP) (0966-205)(TERMINATED)
- A Study to Evaluate the Safety and Preliminary Signs of Efficacy of \[177Lu\]Lu-OncoFAP-23 Alone or in Combination With L19-IL2 as a Treatment of Metastatic FAP-positive Solid Tumors
- A Trial of Low Dose Sulindac Combined With Eflornithine in Patients With Familial Adenomatous Polyposis (FAP)
- Adenoma Detection Rate:NBI, AFI, Chromoscopic or Standard Endoscopy
- An Evaluation of SprayShield in Reducing Post-Operative Adhesion Formation Following Major Open Abdominal Surgery
- An Investigational Drug (TPST-1495) in Patients With Familial Adenomatous Polyposis
- Artificial Intelligence-assisted Colonoscopy in the Detection and Characterization of Colorectal Lesions
- Azithromycin Treatment for Readthrough of APC Gene Stop Codon Mutations in Familial Adenomatous Polyposis

### Approved drugs (1)

- [Celecoxib](https://trialight.com/data/asset/celecoxib-d2adc66b-f8fb-471f-8779-d55e35cdd52c.md)

### Drugs in development (22)

- [Aspirin](https://trialight.com/data/asset/aspirin-03870fc6-137e-47aa-9f14-b7ae6754fb15.md) Phase 3
- [Bevacizumab](https://trialight.com/data/asset/bevacizumab-a9e09d09-2d3c-4fda-ad45-01fd000dd363.md) Phase 1
- Calcitriol Phase 3
- [Calcium carbonate](https://trialight.com/data/asset/calcium-carbonate-37e10d9b-34b0-4b9a-ad7f-b08adfd15b03.md) Phase 3
- Curcumin Phase 2
- Eflornithine Phase 3
- Eflornithine hydrochloride Phase 3
- Eflornithine, (S)- Phase 3
- Erlotinib Phase 2
- Erlotinib hydrochloride Phase 2
- [Guselkumab](https://trialight.com/data/asset/guselkumab-90846a1b-25ed-4e53-ae9c-4730391bc3c9.md) Phase 1
- Icosapent Phase 3
- Inulin Phase 2
- Lactobacillus acidophilus Phase 2
- Lithium carbonate Phase 2
- Metformin Phase 2
- Niclosamide Phase 2
- Obeticholic acid Phase 1
- [Sirolimus](https://trialight.com/data/asset/sirolimus-08da04e4-ea95-4587-95c4-83d583e56570.md) Phase 2
- Sulindac Phase 3

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