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eRapa

Phase 3

Familial Adenomatous Polyposis (FAP) | Small molecule | Gastrointestinal |Biodexa Pharmaceuticals plc|Last Updated: Mar 17, 2026

Target and mechanism

ModalitySmall molecule

Also known as eRapa (encapsulated rapamycin)

Success Probability

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Market & Valuation

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Trial Design

RandomizedDouble-BlindPLACEBO_CONTROLLEDDMCBiomarker
Total Trials1
Total Enrollment168

FDA Designations

FAST_TRACKORPHAN_DRUG

Clinical trial landscape

eRapa · 1 trial · 1 indication

Phase 3 1
NCT06950385Phase 3 Trial of eRapa in Patients With Familial Adenomatous PolyposisFamilial Adenomatous Polyposis (FAP)
RECRUITING168 Analytics
PHASE3RECRUITING
Phase 3 Trial of eRapa in Patients With Familial Adenomatous Polyposis
Familial Adenomatous Polyposis (FAP)Unlock trial analytics

Study Endpoints

Primary Endpoints

Progression-free survival (PFS) in high-risk patients with FAP treated with eRapa versus placebo.
3 years

* Death from any cause * Cancer/high-grade dysplasia * Major FAP-related surgery (e.g., colectomy, proctectomy, total proctocolectomy with ileal pouch anal anastomosis \[IPAA\], pouch resection, ileostomy, duodenectomy, or surgical ampullectomy) * Advancement of Spigelman stage (not related solely to increase in polyp number) * Meets criteria for surgery (consistent with United States \[US\] and European Union \[EU\] practice guidelines) (Yang, Gurudu et al. 2020, Zaffaroni, Mannucci et al.2024) * Retained rectum/sigmoid or pouch (≥10 polyps ≥3 mm in size at baseline) * Duodenum (Stage 3/4 and at least 1 polyp ≥10 mm removed in last 18 months)

Secondary Endpoints

The safety and tolerability of eRapa in patients with FAP
3 years
The effect of eRapa treatment on GI polyposis in patients with FAP
3 years
The effect of eRapa treatment on Spigelman stage score in patients with FAP
3 years
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Study Design & Arms

AllocationRANDOMIZED
MaskingQUADRUPLE
ModelPARALLEL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
eRapaEXPERIMENTAL0.5 mg eRapa once a day (QD) every other week
PlaceboPLACEBO_COMPARATORPlacebo once a day (QD) every other week

Interventions

NameTypeDescription
eRapa (encapsulated rapamycin)DRUG0.5 mg capsules for oral use; white opaque capsule filled with off-white powder; Trial intervention will be provided in 28-count round high-density polyethylene bottles with a polypropylene child-resistant screw cap and foil induction seal.
PlaceboDRUGCapsules in 28-count round high-density polyethylene bottles with a polypropylene child-resistant screw cap and foil induction seal.
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Eligibility Criteria

Age Range18 Years to N/A
SexALL
Healthy VolunteersNo
Study Sites26

Inclusion Criteria: 1. Participant must be ≥18 years of age inclusive. 2. Participant must have documented FAP, confirmed by adenomatous polyposis coli genotype mutation testing. 3. Participant must have at least 1 of the following high-risk features: \>100 polyps but ≤500 polyps in the colon, or ≥...

Countries:United StatesDenmarkGermanyNetherlandsPuerto RicoSpain
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Frequently asked questions about eRapa

What is eRapa used for?

eRapa is an investigational small molecule being developed for Familial Adenomatous Polyposis (FAP), a gastrointestinal condition. It is currently in Phase 3 clinical development and has not been approved by the FDA. The drug is being studied in a randomized, double-blind, placebo-controlled trial to evaluate its effects in patients with FAP.

What does eRapa target?

eRapa is an encapsulated form of rapamycin, which is a small molecule that inhibits the mTOR pathway. By targeting this pathway, eRapa is being studied for its potential to affect disease progression in Familial Adenomatous Polyposis (FAP). The drug is currently in Phase 3 clinical trials for this indication.

Who makes eRapa?

eRapa is being developed by Biodexa Pharmaceuticals plc, a biopharmaceutical company listed on the stock exchange under the ticker BDRX. The company is conducting a Phase 3 clinical trial of eRapa in patients with Familial Adenomatous Polyposis (FAP).

What phase is eRapa in?

eRapa is currently in Phase 3 clinical development for Familial Adenomatous Polyposis (FAP). It is an investigational drug and has not been approved by the FDA. The Phase 3 trial is actively recruiting participants and is designed as a randomized, double-blind, placebo-controlled study.

What clinical trials is eRapa in?

eRapa is being studied in a Phase 3 clinical trial with the identifier NCT06950385, titled 'Phase 3 Trial of eRapa in Patients With Familial Adenomatous Polyposis.' This trial is recruiting 168 participants across the United States, Denmark, Germany, Netherlands, Puerto Rico, and Spain. The study is randomized, double-blind, and placebo-controlled.

Is eRapa the same as rapamycin?

eRapa is an encapsulated form of rapamycin, meaning it contains rapamycin as its active ingredient but is formulated in a special encapsulation. This formulation is being developed by Biodexa Pharmaceuticals for Familial Adenomatous Polyposis (FAP). The drug is currently in Phase 3 clinical trials and has received FDA Fast Track and Orphan Drug designations.