Clinical trial • Phase II • Gastroenterology

Activated charcoal for Acute drug poisoning (intoxication)

Phase II trial of Activated charcoal for Acute drug poisoning (intoxication).

Overview

Trial Therapeutic Area
Gastroenterology
Trial Disease
Acute drug poisoning (intoxication)
Trial Stage
Phase II
Drug Modality
Small molecule|Other

Key dates

Initial CTIS Submission Date
15-04-2025
First CTIS Authorization Date
21-07-2025

Trial design

Randomised, control group: control group not receiving activated charcoal + intestinal purge (control arm not further specified in the available documents). Phase II trial across 1 site in France.

Randomised
Yes
Comparator
Control group: control group not receiving activated charcoal + intestinal purge (control arm not further specified in the available documents).
Target Sample Size
200
Trial Duration For Participant
28

Eligibility

Recruits 200 The trial includes vulnerable participants who are intubated and may be unable to provide consent. Inclusion requires written informed consent from a parent/relative/trusted person; if no representative is available the patient may be included under the emergency procedure with consent obtained as soon as possible. Patients under legal protection, under guardianship/curatorship, or deprived of liberty are excluded..

Pregnancy Exclusion
- Pregnant or breast-feeding patients
Vulnerable Population
The trial includes vulnerable participants who are intubated and may be unable to provide consent. Inclusion requires written informed consent from a parent/relative/trusted person; if no representative is available the patient may be included under the emergency procedure with consent obtained as soon as possible. Patients under legal protection, under guardianship/curatorship, or deprived of liberty are excluded.

Inclusion criteria

  • {"criterion_text":"- Patient aged ≥18, intoxicated and hospitalised in intensive care\n- Main drug toxicant of functional type (any psychotropic or cardiotropic), adsorbable by activated charcoal\n- Main toxicant identified by the history taken by a healthcare professional on the ward or during care prior to the ward\n- Main toxicant identified within 3 hours of admission if the patient is already intubated on admission, or within 3 hours of intubation if the patient is intubated on the ward\n- Patient intubated for effects attributed to the toxic agent (neuro-respiratory or haemodynamic failure)\n- Patient with nasogastric tube or planned nasogastric tube and no contraindications\n- Main toxicant whose assay can be performed by the toxicology laboratory at Lariboisière Hospital AND Inclusion according to the emergency clause\n- Written informed consent from a parent/relative/trusted person. In the absence of a parent/relative/trusted person, the patient may be included under the emergency procedure and consent will be obtained as soon as possible."}

Exclusion criteria

  • {"criterion_text":"- No social security affiliation\n- Patients under legal protection\n- Patients deprived of their liberty\n- Non-intubated patient\n- Contraindication to the administration of one of the study products (e.g. suspected digestive perforation, intestinal obstruction, inflammatory bowel disease, etc.)\n- Inability to insert a nasogastric tube\n- Repeated vomiting prior to inclusion, making digestive decontamination impossible\n- Digestive haemorrhage in progress or during the previous month\n- Ingestion of metals (e.g. iron, caesium, thallium, lead, copper, cadmium)\n- Isolated or predominant alcohol poisoning (e.g. ethyl alcohol, ethylene glycol, methanol)\n- Intoxication by gas (e.g. carbon monoxide or fire fumes)\n- Intoxication by a caustic product (acids or bases)\n- Main toxicant ingested under liquid form\n- Intoxication by a toxic lesion\n- Intoxication by a non-medicated product (e.g. party drugs)\n- Intubation for causes not attributed to the ingested toxic substance (e.g. massive inhalation pneumonia)\n- In-body carrier of drug pellets\n- Pregnant or breast-feeding patients\n- Patients being treated for dementia\n- Patient under guardianship or curatorship"}

Endpoints

Primary endpoints

  • {"endpoint_text":"- Percentage change in the plasma concentration of the toxic substance(s) (ingested parent molecules) at 24 hours compared with its/their value(s) at randomisation.","definition_or_measurement_approach":"Percent change in plasma concentration of the ingested parent toxicant(s) measured at 24 hours post-randomisation compared with the concentration measured at randomisation (baseline)."}

Secondary endpoints

  • {"endpoint_text":"- Percentage change in plasma concentration of toxicant(s) (ingested parent molecules) at H48, H72 and H96 compared with the value at randomisation","definition_or_measurement_approach":"Percent change in plasma concentration measured at 48, 72 and 96 hours post-randomisation versus baseline (randomisation)."}
  • {"endpoint_text":"- Area under the concentration curve up to the 96th hour expressed as a percentage of the concentration at randomisation","definition_or_measurement_approach":"AUC of plasma concentration up to 96 hours, expressed relative to concentration at randomisation (percent of baseline AUC)."}
  • {"endpoint_text":"- Number of days alive without mechanical ventilation for 28 days post-randomisation","definition_or_measurement_approach":"Count of days within the 28-day period post-randomisation during which the participant is alive and not receiving mechanical ventilation."}
  • {"endpoint_text":"- Number of days alive without resuscitation for 28 days post-randomisation","definition_or_measurement_approach":"Count of days within the 28-day period post-randomisation during which the participant is alive and not in intensive resuscitation."}
  • {"endpoint_text":"- Number of episodes of vomiting","definition_or_measurement_approach":"Total count of vomiting episodes recorded during the study observation period."}
  • {"endpoint_text":"- Number of ventilator-associated pneumonias","definition_or_measurement_approach":"Number of diagnosed ventilator-associated pneumonia events during the study follow-up."}
  • {"endpoint_text":"- Number of episodes of upper abdominal pain and diarrhoea;","definition_or_measurement_approach":"Count of episodes of upper abdominal pain and of diarrhoea reported during follow-up."}
  • {"endpoint_text":"- Presence of hypersensitivity reactions such as anaphylactic shock, angioedema, urticaria, rash and pruritus.","definition_or_measurement_approach":"Occurrence (yes/no) and description of hypersensitivity reactions including anaphylactic shock, angioedema, urticaria, rash and pruritus during treatment and follow-up."}

Recruitment

Planned Sample Size
200
Recruitment Window Months
25
Consent Approach
Informed consent is obtained in writing from a parent/relative/trusted person (legal representative). If no representative is available, the patient may be included under an emergency procedure and consent will be obtained as soon as possible. Subject information and ICF documents are provided for relatives/legal representatives. Patients under legal protection/guardianship and those deprived of liberty are excluded.

Geography

Total Number Of Sites
1
Total Number Of Participants
200

France

Earliest CTIS Part Ii Submission Date
23-06-2025
Latest Decision Or Authorization Date
19-12-2025
Processing Time Days
179
Number Of Sites
1
Number Of Participants
200

Sites

Site Name
Assistance Publique Hopitaux De Paris
Department Name
Service Réanimation Médicale et Toxicologique
Principal Investigator Name
Sebastian VOICU
Principal Investigator Email
sebastian.voicu@aphp.fr
Contact Person Name
Sebastian VOICU
Contact Person Email
sebastian.voicu@aphp.fr
Number Of Participants
200

Sponsor

Primary sponsor

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

Investigational products

Investigational Product Name
TOXICARB, suspension buvable
Active Substance
Activated charcoal
Modality
Other
Routes Of Administration
Gastroenteral (oral)
Route
Gastroenteral (oral)
Authorisation Status
Authorised (marketing authorisation in France)
Frequency
Up to 350 g (as per product max daily amount) / day (per SmPC limits)
Maximum Dose
350 g
Investigational Product Name
FORTRANS, poudre pour solution buvable en sachet.
Active Substance
Sodium hydrogen carbonate; Potassium chloride; Sodium chloride; Sodium sulfate anhydrous; Macrogol 4000
Modality
Other
Routes Of Administration
Gastroenteral (oral)
Route
Gastroenteral (oral)
Authorisation Status
Authorised (marketing authorisation in France)
Combination Treatment
Yes

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