Clinical trial • Phase III • Infectious Disease

OSELTAMIVIR for Severe influenza

Phase III trial of OSELTAMIVIR for Severe influenza. None/Not specified-controlled. 155 participants.

Overview

Trial Therapeutic Area
Infectious Disease
Trial Disease
Severe influenza
Trial Stage
Phase III
Drug Modality
Small molecule

Key dates

Initial CTIS Submission Date
12-09-2024
First CTIS Authorization Date
10-10-2024

Trial design

None/Not specified-controlled Phase III trial across 28 sites in France.

Comparator
None/Not specified
Target Sample Size
155
Trial Duration For Participant
90

Eligibility

Recruits 155 Vulnerable population considerations: the trial includes provisions for consent by the patient or, if the patient is unable, by a trusted support person or an informed family member who has given written consent; inclusion according to emergency procedures is allowed. Patients deprived of liberty or under legal protection (guardianship or curatorship) are excluded. For patients not included in emergency situations, non-French-speaking patients who are unable to understand or refuse to sign informed consent are excluded. Proxy/guardian consent procedures and proxy information/ICF documents are present in the trial documentation..

Pregnancy Exclusion
Pregnant or breastfeeding woman
Vulnerable Population
Vulnerable population considerations: the trial includes provisions for consent by the patient or, if the patient is unable, by a trusted support person or an informed family member who has given written consent; inclusion according to emergency procedures is allowed. Patients deprived of liberty or under legal protection (guardianship or curatorship) are excluded. For patients not included in emergency situations, non-French-speaking patients who are unable to understand or refuse to sign informed consent are excluded. Proxy/guardian consent procedures and proxy information/ICF documents are present in the trial documentation.

Inclusion criteria

  • {"criterion_text":"- Patients over 18 years of age\n- Confirmed severe influenza infection requiring intensive care with tracheal intubation for invasive mechanical ventilation (influenza ARDS with or without bacterial co-infection, cardiorespiratory decompensation of influenza origin, influenza myocarditis)\n- Oseltamivir treatment administered through a gastric tube initiated since less than 24 hours (i.e. maximum two doses administered)\n- Affiliation to a social security scheme, beneficiary or beneficiary entitled (excluding AME)\n- Patient or, by default, a trusted support person or, by default, an informed family member who has given written consent or patient who has been included in emergency procedures."}

Exclusion criteria

  • {"criterion_text":"- Pregnant or breastfeeding woman\n- Patient deprived of liberty or under legal protection (guardianship or curatorship)\n- For patients not included in emergency situations: Inability, according to the investigator, to understand or refusal to sign the informed consent to participate in the study (non-French-speaking patient).\n- Weight less than 40 kg\n- Previous treatment with Zanamivir or other antiviral treatment active against influenza virus for more than 24 hours\n- Co-infection with another respiratory virus (including SARS CoV-2)\n- Administration of medication via nasogastric tube impossible\n- Current participation in a therapeutic interventional trial or be in the exclusion period at the end of a clinical trial (drugs that may interact with paracetamol or oseltamivir)\n- Patient benefiting from AME (Aide Médicale d'Etat)"}

Endpoints

Primary endpoints

  • {"endpoint_text":"- The primary endpoint is the number of days alive without invasive mechanical ventilation at D28.","definition_or_measurement_approach":"Number of days alive and free from invasive mechanical ventilation within 28 days (assessed at day 28)."}

Secondary endpoints

  • {"endpoint_text":"- Diagnostic performance of the paracetamol absorption test (sensitivity, specificity, positive and negative predictive values, positive and negative likelihood ratios) performed at H48 for the diagnosis of plasma oseltamivir underdosing.\n- Prevalence of patients with low plasma OC concentration\n- Plasma OC underdosage at H48 (dependent variable); the independent variables are the clinical and biological data present on admission, which will be studied as prognostic factors for OC underdosage using univariate and multivariate logistic regression models.\n- Viral clearance, calculated from nasopharyngeal viral load measurements taken on D1 (initial influenza diagnostic test) and D5. The association between viral clearance and plasma OC concentration at H48 will be assessed.\n- Prevalence of acquisition of the H275Y oseltamivir resistance mutation (investigated by PCR and high-throughput sequencing).\n- Measurements of Cmax and Residual OC and oseltamivir phosphate (OP, inactive prodrug) at D2, D3 and D5\n- Mortality at D28 and D90 in patients under-dosed in OC at 48h of treatment initiation and in patients not under-dosed","definition_or_measurement_approach":"Diagnostic performance: sensitivity, specificity, predictive values and likelihood ratios of paracetamol absorption test at H48 for diagnosing plasma OC underdosing. Prevalence: proportion of patients with low plasma OC concentration at H48. OC underdosage prognostic factors: studied via univariate and multivariate logistic regression using clinical and biological admission data. Viral clearance: calculated from nasopharyngeal viral load at D1 and D5 and associated with plasma OC at H48. H275Y mutation: detected by PCR and high-throughput sequencing. Pharmacokinetics: Cmax and residual concentrations of OC and OP measured at D2, D3 and D5. Mortality: all-cause mortality assessed at day 28 and day 90."}

Recruitment

Planned Sample Size
155
Recruitment Window Months
27
Consent Approach
Informed consent is obtained from the patient when possible. If the patient cannot consent, written consent may be provided by a trusted support person or, by default, an informed family member. Inclusion under emergency procedures is allowed. Proxy-specific information and ICF documents are included in trial documentation. For non-emergency inclusions, non-French-speaking patients who cannot understand or refuse to sign the informed consent are excluded.

Geography

Total Number Of Sites
28
Total Number Of Participants
155

France

Earliest CTIS Part Ii Submission Date
03-10-2024
Latest Decision Or Authorization Date
08-08-2025
Processing Time Days
309
Number Of Sites
28
Number Of Participants
155

Sites

Site Name
Assistance Publique Hopitaux De Paris
Department Name
Réanimation Intensive Réanimation
Principal Investigator Name
Anne-Fleur HAUDEBOURG
Principal Investigator Email
annefleur.maignant@aphp.fr
Contact Person Name
Anne-Fleur HAUDEBOURG
Contact Person Email
annefleur.maignant@aphp.fr
Site Name
Assistance Publique Hopitaux De Paris
Department Name
Médecine intensive et réanimation infectieuse
Principal Investigator Name
Romain SONNEVILLE
Principal Investigator Email
romain.sonneville@aphp.fr
Contact Person Name
Romain SONNEVILLE
Contact Person Email
romain.sonneville@aphp.fr
Site Name
Hospices Civils De Lyon
Department Name
Réanimation Médicale
Principal Investigator Name
Jean-Christophe RICHARD
Principal Investigator Email
j-christophe.richard@chu-lyon.fr
Contact Person Name
Jean-Christophe RICHARD
Site Name
Centre Hospitalier Universitaire Rouen
Department Name
Médecine Intensive Réanimation
Principal Investigator Name
Gaëtan BEDUNEAU
Principal Investigator Email
gaetan.beduneau@chu-rouen.fr
Contact Person Name
Gaëtan BEDUNEAU
Contact Person Email
gaetan.beduneau@chu-rouen.fr
Site Name
Centre Hospitalier Universitaire De Rennes
Department Name
Réanimation médicale
Principal Investigator Name
Pauline GUILLOT
Principal Investigator Email
pauline.guillot@chu-rennes.fr
Contact Person Name
Pauline GUILLOT
Contact Person Email
pauline.guillot@chu-rennes.fr
Site Name
Hospices Civils De Lyon
Department Name
Médecine Intensive Réanimation
Principal Investigator Name
Martin COUR
Principal Investigator Email
martin.cour@chu-lyon.fr
Contact Person Name
Martin COUR
Contact Person Email
martin.cour@chu-lyon.fr
Site Name
Centre Hospitalier Universitaire De Poitiers
Department Name
Médecine Intensive Réanimation
Principal Investigator Name
Arnaud THILLE
Principal Investigator Email
arnaud.thille@chu-poitiers.fr
Contact Person Name
Arnaud THILLE
Contact Person Email
arnaud.thille@chu-poitiers.fr
Site Name
Assistance Publique Hopitaux De Paris
Department Name
Réanimation médicale
Principal Investigator Name
Charles-Edouard LUYT
Principal Investigator Email
charles-edouard.luyt@aphp.fr
Contact Person Name
Charles-Edouard LUYT
Contact Person Email
charles-edouard.luyt@aphp.fr
Site Name
Centre Hospitalier Et Universitaire De Limoges
Department Name
Réanimation Polyvalente
Principal Investigator Name
Thomas DAIX
Principal Investigator Email
thomas.Daix@chu-limoges.fr
Contact Person Name
Thomas DAIX
Contact Person Email
thomas.Daix@chu-limoges.fr
Site Name
Centre Hospitalier Regional Universitaire De Tours
Department Name
Médecine Intensive Réanimation
Principal Investigator Name
Antoine GUILLON
Principal Investigator Email
antoine.guillon@univ-tours.fr
Contact Person Name
Antoine GUILLON
Contact Person Email
antoine.guillon@univ-tours.fr
Site Name
Les Hopitaux Universitaires De Strasbourg
Department Name
Médecine Intensive Réanimation
Principal Investigator Name
Julie HELMS
Principal Investigator Email
julie.helms@chru-strasbourg.fr
Contact Person Name
Julie HELMS
Contact Person Email
julie.helms@chru-strasbourg.fr
Site Name
Groupe Hospitalier Du Sud Ile De France
Department Name
Médecine Intensive
Principal Investigator Name
Sébastien JOCHMANS
Principal Investigator Email
sebastien.jochmans@ghsif.fr
Contact Person Name
Sébastien JOCHMANS
Contact Person Email
sebastien.jochmans@ghsif.fr
Site Name
Assistance Publique Hopitaux De Paris
Department Name
Médecine intensive -réanimation
Principal Investigator Name
Tài Olivier PHAM
Principal Investigator Email
tai.pham@aphp.fr
Contact Person Name
Tài Olivier PHAM
Contact Person Email
tai.pham@aphp.fr
Site Name
Centre Hospitalier Universitaire Grenoble Alpes
Department Name
Réanimation Médicale
Principal Investigator Name
Florian SIGAUD
Principal Investigator Email
fsigaud@chu-grenoble.fr
Contact Person Name
Florian SIGAUD
Contact Person Email
fsigaud@chu-grenoble.fr
Site Name
Assistance Publique Hopitaux De Paris
Department Name
Réanimation Médicale et Toxicologique
Principal Investigator Name
Bruno MEGARBANE
Principal Investigator Email
bruno.megarbane@aphp.fr
Contact Person Name
Bruno MEGARBANE
Contact Person Email
bruno.megarbane@aphp.fr
Site Name
Centre Hospitalier Universitaire De Lille
Department Name
Réanimation
Principal Investigator Name
Saadala NSEIR
Principal Investigator Email
saadalla.nseir@chru-lille.fr
Contact Person Name
Saadala NSEIR
Contact Person Email
saadalla.nseir@chru-lille.fr
Site Name
Centre Hospitalier Universitaire D Orleans
Department Name
Hôpital La Source -Réanimation Intensive Réanimation
Principal Investigator Name
François BARBIER
Principal Investigator Email
francois.barbier@chr-orleans.fr
Contact Person Name
François BARBIER
Site Name
Assistance Publique Hopitaux De Paris
Department Name
Réanimation Médico-chirurgicale
Principal Investigator Name
Damien ROUX
Principal Investigator Email
damien.roux@aphp.fr
Contact Person Name
Damien ROUX
Contact Person Email
damien.roux@aphp.fr
Site Name
Assistance Publique Hopitaux De Paris
Department Name
Médecine Intensive Réanimation et Pneumologie
Principal Investigator Name
Julien MAYAUX
Principal Investigator Email
julien.mayaux@aphp.fr
Contact Person Name
Julien MAYAUX
Contact Person Email
julien.mayaux@aphp.fr
Site Name
Assistance Publique Hopitaux De Paris
Department Name
Réanimation Médico-chirurgicale
Principal Investigator Name
Antoine VIEILLARD-BARON
Principal Investigator Email
antoine.vieillard-baron@aphp.fr
Contact Person Name
Antoine VIEILLARD-BARON
Site Name
Centre Hospital Region Metz Thionville
Department Name
Réanimation polyvalente de Mercy
Principal Investigator Name
Guillaume LOUIS
Principal Investigator Email
guillaume.louis@chr-metz-thionville.fr
Contact Person Name
Guillaume LOUIS
Site Name
Assistance Publique Hopitaux De Paris
Department Name
Médecine Intensive Réanimation
Principal Investigator Name
Frédéric PENE
Principal Investigator Email
frederic.pene@aphp.fr
Contact Person Name
Frédéric PENE
Contact Person Email
frederic.pene@aphp.fr
Site Name
Assistance Publique Hopitaux De Paris
Department Name
Réanimation Intensive Réanimation
Principal Investigator Name
Muriel FARTOUKH
Principal Investigator Email
muriel.fartoukh@aphp.fr
Contact Person Name
Muriel FARTOUKH
Contact Person Email
muriel.fartoukh@aphp.fr
Site Name
Assistance Publique Hopitaux De Paris
Department Name
Réanimation médico-chirurgicale
Principal Investigator Name
Stéphane GAUDRY
Principal Investigator Email
stephane.gaudry@aphp.fr
Contact Person Name
Stéphane GAUDRY
Contact Person Email
stephane.gaudry@aphp.fr
Site Name
Centre Hospitalier Victor Dupouy
Department Name
Réanimation Polyvalente
Principal Investigator Name
Damien CONTOU
Principal Investigator Email
damien.contou@ch-argenteuil.fr
Contact Person Name
Damien CONTOU
Contact Person Email
damien.contou@ch-argenteuil.fr
Site Name
Centre Hospitalier Universitaire De Saint Etienne
Department Name
Réanimation Médicale
Principal Investigator Name
Guillaume THIERY
Principal Investigator Email
guillaume.thiery@chu-st-etienne.fr
Contact Person Name
Guillaume THIERY
Site Name
Assistance Publique Hopitaux De Paris
Department Name
Réanimation Médicale
Principal Investigator Name
Lara ZAFRANI
Principal Investigator Email
lara.zafrani@aphp.fr
Contact Person Name
Lara ZAFRANI
Contact Person Email
lara.zafrani@aphp.fr
Site Name
Centre Hospitalier De Versailles
Department Name
Réanimation médico-chirurgicale
Principal Investigator Name
Alexis FERRE
Principal Investigator Email
aferre@ch-versailles.fr
Contact Person Name
Alexis FERRE
Contact Person Email
aferre@ch-versailles.fr

Sponsor

Primary sponsor

Full Name
Assistance Publique Hopitaux De Paris
Organisation Type
Hospital/Clinic/Other health care facility
Country Of Registered Address
France

Third parties

  • {"country":"","full_name":"French Ministry of Health PHRC Interrégional 2020","duties_or_roles":"Source of monetary support","organisation_type":""}

Investigational products

Investigational Product Name
Tamiflu 75 mg hard capsules
Active Substance
OSELTAMIVIR
Modality
Small molecule
Routes Of Administration
ORAL, NASOGASTRIC TUBE OR PERCUTANEOUS ENDOSCOPIC GASTROSTOMY TUBE USE
Route
ORAL, NASOGASTRIC TUBE OR PERCUTANEOUS ENDOSCOPIC GASTROSTOMY TUBE USE
Authorisation Status
Authorised
Maximum Dose
150 mg per day
Investigational Product Name
DOLIPRANE 1000 mg, poudre pour solution buvable en sachet-dose
Active Substance
PARACETAMOL
Modality
Small molecule
Routes Of Administration
ORAL, NASOGASTRIC TUBE OR PERCUTANEOUS ENDOSCOPIC GASTROSTOMY TUBE USE
Route
ORAL, NASOGASTRIC TUBE OR PERCUTANEOUS ENDOSCOPIC GASTROSTOMY TUBE USE
Authorisation Status
Authorised
Maximum Dose
1000 mg per day

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