Clinical trial • Phase III • Other

SILDENAFIL for Rectal cancer | Erectile dysfunction (post-proctectomy)

Phase III trial of SILDENAFIL for Rectal cancer | Erectile dysfunction (post-proctectomy).

Overview

Trial Therapeutic Area
Other
Trial Disease
Rectal cancer | Erectile dysfunction (post-proctectomy)
Trial Stage
Phase III
Drug Modality
Small molecule

Key dates

Initial CTIS Submission Date
14-08-2024
First CTIS Authorization Date
03-09-2024

Trial design

Randomised, sildenafil eg 50 mg, film-coated tablet (active intervention; product max daily dose 50 mg; treatment period described as 10 months in protocol documents) vs placebo de sildenafil eg 50mg, comprimé pelliculé (placebo comparator).-controlled Phase III trial across 14 sites in France.

Randomised
Yes
Comparator
SILDENAFIL EG 50 mg, film-coated tablet (active intervention; product max daily dose 50 mg; treatment period described as 10 months in protocol documents) vs Placebo de Sildenafil EG 50mg, comprimé pelliculé (placebo comparator).
Target Sample Size
188
Trial Duration For Participant
365

Eligibility

Recruits 188 Vulnerable populations are not selected for inclusion. The protocol explicitly excludes persons deprived of liberty and persons placed under safeguard of justice / under tutorship or curatorship. Consent requirement: "Adult who has read and understood the information letter and signed the consent form"; only adults are eligible and consent documentation (subject information and informed consent form) is provided (French language documents available)..

Vulnerable Population
Vulnerable populations are not selected for inclusion. The protocol explicitly excludes persons deprived of liberty and persons placed under safeguard of justice / under tutorship or curatorship. Consent requirement: "Adult who has read and understood the information letter and signed the consent form"; only adults are eligible and consent documentation (subject information and informed consent form) is provided (French language documents available).

Inclusion criteria

  • {"criterion_text":"- Men aged 18 to 70 years\n- Patients undergoing surgery for cancer of the lower or middle rectum by total removal of the mesorectum with colorectal or coloanal anastomosis 30 days ago (+/- 7 days) and with normal preoperative erectile function (defined as a combined IIEF erectile function domain score of at least 22)\n- Sexually active patient without treatment for erectile function prior to surgery\n- Presence of a stable sexual partner (male or female)\n- Adult who has read and understood the information letter and signed the consent form\n- Membership in a social security plan\n- Conservative nerve surgery"}

Exclusion criteria

  • {"criterion_text":"- T4 tumor or requiring an enlarged surgery\n- History of prostate cancer\n- Contraindication to SILDENAFIL EG 50 mg, film-coated tablet: - Cardiovascular disease (history of heart failure, myocardial infarction, angina, arrhythmia, aortic stenosis, or hypertrophic obstructive cardiomyopathy) except controlled hypertension - Recent history of stroke - Hypotension (blood pressure < 90/50 mmHg) - Severe hepatic insufficiency - Severe renal insufficiency (creatinine clearance less than 30 ml/min) - Uncontrolled diabetes (hemoglobin A1C >12%) - Bleeding disorders or active peptic ulcer - Anatomical malformation of the penis (angulation, fibrosis of the corpora cavernosa or Peyronie's disease) - Patients with conditions that may predispose them to priapism (such as sickle cell disease, multiple myeloma or leukemia) - Patients with loss of vision in one eye due to non-arteritic anterior ischemic optic neuropathy (NOIAN) - Known degenerative hereditary retinal disorders such as retinitis pigmentosa, - Drug combinations contraindicating sildenafil (o cytochrome P450 inhibitors (ritonavir), CYP3A4 inhibitors (ketoconazole, itraconazole, erythromycin, clarithromycin, cimetidine, saquinavir, ritonavir, saquinavir and grapefruit juice) o nitric oxide donors (such as the amyl nitrite sold over the counter in sex shops (\"poppers\") or nitro derivatives in any form (trinitrine or isosorbide mono or dinitrate, sodium nitroprusside; linsidomine, molsidomine, nicorandil). Such combinations are dangerous for life. - alpha-blockers (prazosin, urapidil) - guanylate cyclase stimulators, such as riociguat) - Hypersensitivity to the active substance or to one of the excipients - Allergy to peanuts or soy\n- Sleep disorder, patients taking sedatives/hypnotics\n- Patients with abnormal erectile function defined by a combined IIEF erectile function domain score of less than 22\n- Contraindication to Placebo : Allergy to one of its components (polyethylene glycol 3350, starch) Treatment with polyethylene glycol (macrogol: forlax, transipeg)\n- Patients already treated with PDE5 inhibitors\n- Patients with SARS COV 2* * In accordance with the general measures required to deal with the Covid-19 epidemic, as set out in an order issued by the Minister of Solidarity and Health, the diagnostic test(s) used to detect SARS-CoV-2 must be included in the list published on the website of the Ministry of Solidarity and Health, available at the following address: https://covid-19.sante.gouv.fr/tests\".\n- Person deprived of liberty by an administrative or judicial decision or person placed under safeguard of justice / sub-guardianship or curatorship\n- History of psychological or sensory illness or abnormality that could affect the subject's ability to understand the conditions required for participation in the protocol or to give informed consent.\n- Person participating in another drug trial"}

Endpoints

Primary endpoints

  • {"endpoint_text":"- Patient response at 12 months post-operatively. A patient is defined as a responder by a score of at least 22 on the erectile function domain of the International Index of Erectile Function (IIEF), which includes the six questions of the IIEF related to erection (Q1-Q5 and Q15)","definition_or_measurement_approach":"Responder defined as IIEF erectile function domain score >= 22 (six IIEF questions Q1-Q5 and Q15) measured at 12 months post-operatively."}

Secondary endpoints

  • {"endpoint_text":"- IIEF erectile function domain score combining the six IIEF questions related to erection (Q1-Q5 and Q15) measured at surgery, D0, M3, M6 and M9 postoperative\n- International Index of Erectile Function global score measured at surgery, D0, M3, M6, M9 and M12 postoperative\n- Quality of life score (EORTC QLQ - C30 and QLQ - CR29) measured at surgery, D0, M3, M6, M9 and M12 postoperative\n- LARS score measured at surgery, D0, M3, M6, M9 and M12 postoperative\n- Fecal Continence Score (Wexner score) measured at surgery, D0, M3, M6, M9 and M12 postoperative\n- The number of patients presenting spontaneous erections under treatment at M3, M6, M9 postoperative and without treatment at D0, and M12 postoperative.\n- The number of patients with or without regular psychological followup. A patient is defined as having regular follow-up if he visits a psychologist and/or psychiatrist once or twice a month\n- Number of unused tablets during the study. The patient will be considered as non-compliant if tablet intake over the entire 10 months of treatment is < 80%.\n- The number of AEs and SAEs in each group at D0, M3, M6, M9 and M12 postoperative","definition_or_measurement_approach":"IIEF erectile function domain (Q1-Q5 & Q15) measured at specified timepoints (surgery, D0, M3, M6, M9); IIEF global score at surgery, D0, M3, M6, M9, M12; QoL by EORTC QLQ-C30 and QLQ-CR29 at listed timepoints; LARS and Wexner scores at listed timepoints; counts of spontaneous erections at specified visits; psychological follow-up defined as visiting a psychologist/psychiatrist once or twice a month; compliance assessed by count of unused tablets and adherence <80% over 10 months considered non-compliant; safety assessed by number of AEs and SAEs at listed visits."}

Recruitment

Planned Sample Size
188
Recruitment Window Months
36
Consent Approach
Participants must be legal adults and provide written informed consent: "Adult who has read and understood the information letter and signed the consent form". Subject information and informed consent form documents are provided (French language materials are included in the documented files). No assent process for minors is described and minors are excluded.

Geography

Total Number Of Sites
14
Total Number Of Participants
188

France

Earliest CTIS Part Ii Submission Date
22-08-2024
Latest Decision Or Authorization Date
19-12-2025
Processing Time Days
484
Number Of Sites
14
Number Of Participants
188

Sites

Site Name
Centre Hospitalier Universitaire Amiens Picardie
Department Name
General surgery
Principal Investigator Name
Charles SEBBAGH
Principal Investigator Email
Sabbagh.charles@chu-amiens.fr
Contact Person Name
Charles SEBBAGH
Contact Person Email
Sabbagh.charles@chu-amiens.fr
Site Name
Institut Paoli Calmettes
Department Name
Oncology surgery
Principal Investigator Name
Marie DAZZA
Principal Investigator Email
dazzam@ipc.unicancer.fr
Contact Person Name
Marie DAZZA
Contact Person Email
dazzam@ipc.unicancer.fr
Site Name
Hopital Saint Antoine
Department Name
General surgery
Principal Investigator Name
Jérémie LEFEVRE
Principal Investigator Email
Jeremie.lefevre@aphp.fr
Contact Person Name
Jérémie LEFEVRE
Contact Person Email
Jeremie.lefevre@aphp.fr
Site Name
CHU Bordeaux Haut-Leveque
Department Name
Colorectal surgery
Principal Investigator Name
Benjamin FERNANDEZ
Principal Investigator Email
Benjamin.fernandez@chu-bordeaux.fr
Contact Person Name
Benjamin FERNANDEZ
Site Name
Centre Hospitalier Simone Veil De Beauvais
Department Name
Visceral and Digestive Surgery
Principal Investigator Name
Francois MAUVAIS
Principal Investigator Email
f.mauvais@ch-beauvais.fr
Contact Person Name
Francois MAUVAIS
Contact Person Email
f.mauvais@ch-beauvais.fr
Site Name
Assistance Publique Hopitaux De Paris
Department Name
Visceral and Digestive Surgery Hôpital Européen Georges Pompidou
Principal Investigator Name
Mehdi KAROUI
Principal Investigator Email
mehdi.karoui@aphp.fr
Contact Person Name
Mehdi KAROUI
Contact Person Email
mehdi.karoui@aphp.fr
Site Name
Centre Hospitalier Universitaire De Lille
Department Name
General surgery
Principal Investigator Name
Guillaume PIESSEN
Principal Investigator Email
guillaume.piessen@chru-lille.fr
Contact Person Name
Guillaume PIESSEN
Site Name
University Hospital Of Clermont-Ferrand
Department Name
Digestive surgery
Principal Investigator Name
Anne DUBOIS
Principal Investigator Email
a_dubois@chu-clermontferrand.fr
Contact Person Name
Anne DUBOIS
Site Name
Centre Hospitalier Universitaire Rouen
Department Name
Digestive surgery
Principal Investigator Name
Julien COGET
Principal Investigator Email
Julien.coget@chu-rouen.fr
Contact Person Name
Julien COGET
Contact Person Email
Julien.coget@chu-rouen.fr
Site Name
Centre Hospitalier Regional Universitaire De Tours
Department Name
Digestive pathology, oncology, endocrinology and liver transplantation department
Principal Investigator Name
Mehdi OUAISSI
Principal Investigator Email
m.ouaissi@chu-tours.fr
Contact Person Name
Mehdi OUAISSI
Contact Person Email
m.ouaissi@chu-tours.fr
Site Name
Bicetre Hospital
Department Name
General surgery
Principal Investigator Name
Stéphane BENOIST
Principal Investigator Email
Stephane.benoist@bct.aphp.fr
Contact Person Name
Stéphane BENOIST
Contact Person Email
Stephane.benoist@bct.aphp.fr
Site Name
Bordeaux Colorectal Institute Academy
Department Name
Colorectal department
Principal Investigator Name
Quentin DENOIST
Principal Investigator Email
q.denost@bordeaux-colorectal-institute.fr
Contact Person Name
Quentin DENOIST
Site Name
CHU Besancon
Department Name
Visceral, digestive and oncology surgery
Principal Investigator Name
Zaher LAKKIS
Principal Investigator Email
zlakkis@chu-besancon.fr
Contact Person Name
Zaher LAKKIS
Contact Person Email
zlakkis@chu-besancon.fr
Site Name
Institut Regional Du Cancer De Montpellier
Department Name
Digestive surgery
Principal Investigator Name
Philippe ROUANET
Principal Investigator Email
Philippe.Rouanet@icm.unicancer.fr
Contact Person Name
Philippe ROUANET

Sponsor

Primary sponsor

Full Name
Centre Hospitalier Universitaire Rouen
Organisation Type
Hospital/Clinic/Other health care facility
Country Of Registered Address
France

Investigational products

Investigational Product Name
SILDENAFIL EG 50 mg, comprimé pelliculé
Active Substance
SILDENAFIL
Modality
Small molecule
Routes Of Administration
ORAL USE
Route
ORAL
Authorisation Status
Authorised (marketing authorisation NL38947; authorisation country FR)
Maximum Dose
50 mg daily
Investigational Product Name
Placebo de Sildenafil EG 50mg, comprimé pelliculé
Modality
Other

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