| E.1 Medical condition or disease under investigation | 
| E.1.1 | Medical condition(s) being investigated | 
| - Hypermetabolism in ICU, loss of muscle mass and functional disability after ICU - ICU acquired hypogonadism
 - Treatment with testosterone gel in ICU
 
 |  | 
| E.1.1.1 | Medical condition in easily understood language | 
| - Hypermetabolism in ICU, loss of muscle mass and functional disability after ICU - ICU acquired hypogonadism
 - Treatment with testosterone gel in ICU
 
 |  | 
| E.1.1.2 | Therapeutic area | Diseases [C] - Hormonal diseases [C19] | 
| MedDRA Classification | 
| E.1.3 | Condition being studied is a rare disease | No | 
| E.2 Objective of the trial | 
| E.2.1 | Main objective of the trial | 
| •	To demonstrate that administration of 101.25 mg/day of testosterone gel in men and 20.25 mg/day in women, during the acute phase of critical illness, can restore normal serum values of total testosterone from day 4 to day 14. |  | 
| E.2.2 | Secondary objectives of the trial | 
| •	Proportion of patients with median free testosterone serum values at day 4, 7, 10, 14 higher than 58 pg/ml in men and 0,9 ng/ml in women •	Proportion of patients with median serum values of bioavailable testosterone at day 4, 7, 10, 14 higher than 75 ng/dl in men 0.8 ng/dl in women
 •	Safety of testosterone gel
 •	Daily and cumulative nitrogen balance from day 1 to extubation
 •	Physical performance at ICU discharge, 1month and 3 months after ICU discharge
 •	Muscle strength at ICU discharge, 1month and 3 months after ICU discharge
 •	Near Infrared Spectroscopy (NIRS) at ICU discharge
 •	Muscular mass at ICU discharge and one month after ICU discharge
 •	Lung function at 1 and 3 months after ICU discharge
 
 |  | 
| E.2.3 | Trial contains a sub-study | No | 
| E.3 | Principal inclusion criteria | 
| -	Males and females aged over 18 years receiving invasive mechanical ventilation -	Invasive mechanical ventilation expected to be required for more than 48 hours
 -	Treatment with vasoactive drugs
 -	Written informed consent obtained from the legal representative
 -	Social security cover
 
 |  | 
| E.4 | Principal exclusion criteria | 
| •	History of prostate or breast cancer, prostatic specific antigen (PSA) ≥ 4 ng/ml •	ICU length of stay > 72 h before enrollment
 •	Moribund defined as having a score SAPS II > 75 12 hours after admission
 •	Pre-existing illness with a life expectancy of <6 months
 •	Cardiac arrest
 •	Preexistent cognitive impairment or language barrier
 •	Acute intracranial or spinal cord injury
 •	Acute hemorrhagic or ischemic stroke
 •	Neuromuscular disease (Guillain-Barré, myasthenia)
 •	Inability to walk without assistance prior to acute ICU illness (use of a cane or walkers not excluded)
 •	Documented allergy to testosterone
 •	Age > 80 years
 •	Pregnancy or breast feeding
 •	Patient under legal guardianship
 
 |  | 
| E.5 End points | 
| E.5.1 | Primary end point(s) | 
| •	Proportion of patients with median value of serum total testosterone collected from blood samples at day 4, 7, 10, 14 higher than 280 ng/dl in men and 12 ng/dl in women. |  | 
| E.5.1.1 | Timepoint(s) of evaluation of this end point | 
| from day 4 to day 14 after inclusion |  | 
| E.5.2 | Secondary end point(s) | 
| •	Proportion of patients with median free testosterone serum values at day 4, 7, 10, 14 higher than 58 pg/ml in men and 0,9 ng/ml in women •	Proportion of patients with median serum values of bioavailable testosterone at day 4, 7, 10, 14 higher than 75 ng/dl in men 0.8 ng/dl in women
 •	Safety of testosterone gel
 •	Daily and cumulative nitrogen balance from day 1 to extubation
 •	Physical performance at ICU discharge, 1month and 3 months after ICU discharge
 •	Muscle strength at ICU discharge, 1month and 3 months after ICU discharge
 •	Near Infrared Spectroscopy (NIRS) at ICU discharge
 •	Muscular mass at ICU discharge and one month after ICU discharge
 •	Lung function at 1 and 3 months after ICU discharge
 
 |  | 
| E.5.2.1 | Timepoint(s) of evaluation of this end point | 
| at day 4, 7, 10, 14 higher than 58 pg/ml in men and 0,9 ng/ml in women •	Proportion of patients with median serum values of bioavailable testosterone
 •	throughout the duration of the study
 •	day 1 to extubation
 •	at ICU discharge, 1month and 3 months after ICU discharge
 •	at ICU discharge, 1month and 3 months after ICU discharge
 at ICU discharge
 •	at ICU discharge and one month after ICU discharge
 •	at 1 and 3 months after ICU discharge
 
 |  | 
| E.6 and E.7 Scope of the trial | 
| E.6 | Scope of the trial | 
| E.6.1 | Diagnosis | No | 
| E.6.2 | Prophylaxis | No | 
| E.6.3 | Therapy | No | 
| E.6.4 | Safety | No | 
| E.6.5 | Efficacy | Yes | 
| E.6.6 | Pharmacokinetic | No | 
| E.6.7 | Pharmacodynamic | No | 
| E.6.8 | Bioequivalence | No | 
| E.6.9 | Dose response | No | 
| E.6.10 | Pharmacogenetic | No | 
| E.6.11 | Pharmacogenomic | No | 
| E.6.12 | Pharmacoeconomic | No | 
| E.6.13 | Others | No | 
| E.7 | Trial type and phase | 
| E.7.1 | Human pharmacology (Phase I) | No | 
| E.7.1.1 | First administration to humans | No | 
| E.7.1.2 | Bioequivalence study | No | 
| E.7.1.3 | Other | No | 
| E.7.1.3.1 | Other trial type description |  | 
| E.7.2 | Therapeutic exploratory (Phase II) | Yes | 
| E.7.3 | Therapeutic confirmatory (Phase III) | No | 
| E.7.4 | Therapeutic use (Phase IV) | No | 
| E.8 Design of the trial | 
| E.8.1 | Controlled | Yes | 
| E.8.1.1 | Randomised | Yes | 
| E.8.1.2 | Open | Yes | 
| E.8.1.3 | Single blind | No | 
| E.8.1.4 | Double blind | No | 
| E.8.1.5 | Parallel group | Yes | 
| E.8.1.6 | Cross over | No | 
| E.8.1.7 | Other | No | 
| E.8.2 | Comparator of controlled trial | 
| E.8.2.1 | Other medicinal product(s) | No | 
| E.8.2.2 | Placebo | No | 
| E.8.2.3 | Other | Yes | 
| E.8.2.3.1 | Comparator description | 
| In the control group, AndroGel will not be administered. |  | 
| E.8.2.4 | Number of treatment arms in the trial | 2 | 
| E.8.3 | The trial involves single site in the Member State concerned | Yes | 
| E.8.4 | The trial involves multiple sites in the Member State concerned | No | 
| E.8.5 | The trial involves multiple Member States | No | 
| E.8.6 Trial involving sites outside the EEA | 
| E.8.6.1 | Trial being conducted both within and outside the EEA | No | 
| E.8.6.2 | Trial being conducted completely outside of the EEA | No | 
| E.8.7 | Trial has a data monitoring committee | No | 
| E.8.8 | Definition of the end of the trial and justification where it is not the last
                        visit of the last subject undergoing the trial | 
| The duration of the study extends from the inclusion until 3 months after ICU discharge. The study will be interrupted for the following reasons:
 
 •	Withdrawal of consent: when a subject withdraws consent before completing the study, the reason for withdrawal of consent is to be documented on the eCRF and in the source document.
 •	Adverse experiences
 •	At the request of the investigator or sponsor, whether for administrative or other reasons
 
 
 
 
 
 |  | 
| E.8.9 Initial estimate of the duration of the trial | 
| E.8.9.1 | In the Member State concerned years |  | 
| E.8.9.1 | In the Member State concerned months | 18 | 
| E.8.9.1 | In the Member State concerned days |  |