SERENDIPITY: phase III multicentric randomized study assessing the reduction of chronic prostate inflammation with Permixon®

2025-525123-27-00 Protocol SERENDIPITY Therapeutic confirmatory (Phase III) Authorised, recruitment pending

Status Authorised, recruitment pending · 1 EU/EEA countries · 3 sites · Protocol SERENDIPITY

Overview

Sponsor-declared trial summary

Phase Therapeutic confirmatory (Phase III)
Status Authorised, recruitment pending
Participants planned 410
Countries 1
Sites 3

Benign prostatic hypertrophy

Reduction of the necessity to perform a new prostate biopsy evaluated with the downgrade of the PIRADS area at MRI and/or the potential reduction of the PSA value (re-biopsy compared between groups) after 12 months of Permixon® treatment

Key facts

Sponsor
Azienda Ospedaliero Universitaria Careggi, University Of Florence
Participant type
Patients
Age range
18-64 years, 65+ years
Gender
Male
Therapeutic area
Diseases [C] - Male Urogenital Diseases [C12]
Decision date (initial)
2026-06-23
Transition trial
No
Low-intervention
No
Rare-disease indication
No
Vulnerable population
No
Funding sources
PIERRE FABRE MEDICAMENT SAS immatriculée en France sous le numéro 326 118 502 R.C.S Castres

Trial design

CTIS Part I — objectives, methods, condition coding

Main objective

Scope: Diagnosis, Efficacy, Therapy

Reduction of the necessity to perform a new prostate biopsy evaluated with the downgrade of the PIRADS area at MRI and/or the potential reduction of the PSA value (re-biopsy compared between groups)
after 12 months of Permixon® treatment

Secondary objectives 2

  1. reduction of the entity of prostatic inflammation
  2. evaluate improvements in urinary symptoms and overall quality of life (QoL), and to assess the increased detection rate of clinically significant prostate cancer.

Conditions and MedDRA coding

Benign prostatic hypertrophy

VersionLevelCodeTermSystem organ class
21.1 PT 10004446 Benign prostatic hyperplasia 100000004872
21.1 LLT 10004447 Benign prostatic hypertrophy 10038604

Study design 4 periods

#TitleAllocationBlindingRoles blindedArms
1 Enrollment
It consists of selection of participants based on inclusion criteria defined in the study protocol and acceptance of informed consent by the subject. Through informed consent, the patient agrees to participate in the study after being made aware of the nature and purpose of the study, the procedures involved, potential risks and discomforts, potential benefits, their rights and how their data will be handled.
Not Applicable None
2 Randomization
After the eligibility and enrollment are confirmed, the participant will be randomised in one of the 2 arms (two Permixon capsules or two placebo capsules taken orally with meals once-daily).
Randomised Controlled Double [{"id":192423,"code":2,"name":"Investigator"},{"id":192422,"code":1,"name":"Subject"},{"id":192424,"code":3,"name":"Monitor"},{"id":192425,"code":5,"name":"Carer"}] Treatment arm: Permixon® 320 mg (two 160 mg capsules) should be taken orally once daily for 12 months.
Placebo arm: Matching placebo (two capsules) should be taken orally once daily for 12 months.
3 Treatment period
The participant will come on-site 3 times during the treatment period on month 3, month 6, month 9 and month 12 (end of treatment).
Randomised Controlled Double [{"id":192429,"code":5,"name":"Carer"},{"id":192430,"code":1,"name":"Subject"},{"id":192428,"code":3,"name":"Monitor"},{"id":192427,"code":2,"name":"Investigator"}] Treatment arm: Permixon® 320 mg (two 160 mg capsules) should be taken orally once daily for 12 months.
Placebo arm: Matching placebo (two capsules) should be taken orally once daily for 12 months.
4 Follow-up
After the 12-months treatment period, the participant will have to complete a 6-month follow-up period without treatment.
Randomised Controlled Double [{"id":192433,"code":3,"name":"Monitor"},{"id":192434,"code":5,"name":"Carer"},{"id":192435,"code":2,"name":"Investigator"},{"id":192432,"code":1,"name":"Subject"}]

Eligibility criteria

Principal inclusion / exclusion criteria as submitted by sponsor

Inclusion criteria 5

  1. Male patients aged between 45 and 85 with LUTS/BPH
  2. Who signed and dated informed consent for participation in the trial obtained according to ICH GCP, and national/local regulations
  3. Total PSA value > 4 ng/mL (data collected within 6 months from the inclusion) and/or PIRADS areas ≥3 at mpMRI (data collected within 6 months from the inclusion).
  4. Who underwent a prostate biopsy within 4 months from randomization
  5. Histologically confirmed chronic non-specific inflammation and absence of PCa

Exclusion criteria 15

  1. Unable or unwilling to sign the informed consent
  2. Who not underwent to total serum PSA determination and mpMRI within 6 months from randomization
  3. Not suited to follow a long-term treatment
  4. Previous treatment with Permixon®, discontinued less than 12 months prior to randomization
  5. Allergy to the active substance or to any of the other components of Permixon®.
  6. Active treatment with 5-ARIs or discontinued less than 2 months prior to total serum PSA determination baseline
  7. Diagnosis of PCa, PIN HG (Prostatic Intraepithelial Neoplasia High-Grade) and/or ASAP (Atypical Small Acinar Proliferation).
  8. Prostate biopsy performed more than 4 months prior to randomization
  9. Negative prostate biopsy for chronic inflammation or positive for malignancy
  10. Personal history of or planned prostatic surgery for LUTS/BPH
  11. Pathological bladder conditions that can promote infectious diseases (i.e.: diverticula, neurological bladder, etc.).
  12. Personal history of UTIs caused by multi-resistant bacteria less than 3 months prior to randomization
  13. Any form of immunosuppression
  14. Use of chronic therapy with anti-inflammatory drugs
  15. Personal history of cancer or suspected metastatic disease

Endpoints

Primary and secondary outcome measures (English text)

Primary endpoints 1

  1. Proportion of patients undergoing a repeat prostate biopsy within 12 months

Secondary endpoints 7

  1. ln[PSA] value measured at 12 months
  2. PINS score at 12 months
  3. PIRADS score at 12 months
  4. Number of lesions at 12 months
  5. IS and IRANI score at 12 months
  6. IPSS and IIEF-5 at 12 months
  7. Proportion of patients diagnosed with prostate cancer within 12 months

Investigational products

Investigational medicinal products (IMPs), comparators, placebo, auxiliary

Test 1

PERMIXON 160 mg, gélule

PRD4624008 · Product

Active substance
Serenoa Repens (Bartram) Small.
Pharmaceutical form
CAPSULE, HARD
Route of administration
ORAL USE
Max daily dose
320 mg milligram(s)
Max total dose
116800 mg milligram(s)
Max treatment duration
365 Day(s)
Authorisation status
Authorised
ATC code
G04CX02 — SERENOA REPENS
Marketing authorisation
34009 334 495 8 2
MA holder
PIERRE FABRE MEDICAMENT
MA country
France
Paediatric formulation
No
Orphan designation
No
Modified vs. Marketing Authorisation
Yes
Modification description
The primary packaging is identical to the commercial packaging. The product is primary and secondary packaged, labelled and released by CREAPHARM Clinical Supplies.

Placebo 1

Sponsors and contacts

Sponsor organisations, regulatory contacts, third parties

Azienda Ospedaliero Universitaria Careggi

Sponsor organisation
Azienda Ospedaliero Universitaria Careggi
Address
Largo Giovanni Alessandro Brambilla 3
City
Florence
Postcode
50134
Country
Italy

Scientific contact point

Organisation
Azienda Ospedaliero Universitaria Careggi
Contact name
Gacci Mauro

Public contact point

Organisation
Azienda Ospedaliero Universitaria Careggi
Contact name
Gacci Mauro

University Of Florence

2 Total trials 1 Recruiting
Academic / Non-commercial
Sponsor organisation
University Of Florence
Address
Largo Giovanni Alessandro Brambilla 3
City
Florence
Postcode
50134
Country
Italy

Third parties 1

OrganisationCity, countryDuties
Pharma Quality Europe S.r.l.
ORG-100046604
Milan, Italy On site monitoring, Code 5, Data management, E-data capture, Code 8

Sponsor responsibilities

Article 77 compliance
Azienda Ospedaliero Universitaria Careggi
Contact point sponsor
Azienda Ospedaliero Universitaria Careggi
Article 77 implementation
Azienda Ospedaliero Universitaria Careggi

Locations

1 EU/EEA country · 3 investigational sites

By country

CountryMS statusPlanned subjectsSites
Italy Authorised, recruitment pending 410 3
Rest of world 0

Investigational sites

Italy

3 sites · Authorised, recruitment pending
ASST Grande Ospedale Metropolitano Niguarda
Centro per la terapia dell’Ipertrofia Prostatica Benigna (IPB), Piazza Dell'ospedale Maggiore 3, 20162, Milan
Azienda Ospedaliero-Universitaria Sant Andre
UOC Urologia, Via Di Grottarossa 1035-1039, 00189, Rome
Azienda Ospedaliero Universitaria Careggi
SOD Urologia e trapianti renali, Largo Giovanni Alessandro Brambilla 3, 50134, Florence

Results and documents

Annex IV summary of results, Annex V layperson summary, and all documents registered in CTIS for this trial

Documents 11 files

Public protocol annexes, IB summaries, regulatory submissions and post-authorisation documents registered in CTIS.

TypeTitleVersion
Protocol (for publication) D1_Protocol 2025-525123-27 3.0
Protocol (for publication) D1_Questionnaire IIEF 5_International Index of Erectile Function Questionnaire 1
Protocol (for publication) D1_Questionnaire IPSS_International Prostatic Symptoms Score 1
Recruitment arrangements (for publication) K1_Recruitment arrangements 1
Subject information and informed consent form (for publication) L1_SIS and ICF adults 1
Subject information and informed consent form (for publication) L1_SIS and ICF privacy informations 2.0
Subject information and informed consent form (for publication) L2_MMG letter 1
Subject information and informed consent form (for publication) L2_Subject wallet 1
Summary of Product Characteristics (SmPC) (for publication) E2_SmPC Permixon lipido-sterolic extract of Serenoa repens 1
Synopsis of the protocol (for publication) D1_Protocol Synopsis_ENG_2025-525123-27 3.0
Synopsis of the protocol (for publication) D4_Lay language synopsis 2.0

Application history

1 submissions — initial application plus substantial / non-substantial modifications

#TypeCodeSubmittedReference MSConclusionDecision date
1 INITIAL IN 2026-03-04 Italy Acceptable
2026-06-22
2026-06-23