E.1 Medical condition or disease under investigation |
E.1.1 | Medical condition(s) being investigated |
Patients with obesity hypoventilation syndrome (OHS) |
Pazienti con sindrome da ipoventilazione dell'obesità (OHS) |
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E.1.1.1 | Medical condition in easily understood language |
Patients with obesity hypoventilation syndrome (OHS) |
Pazienti con sindrome da ipoventilazione dell'obesità (OHS) |
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E.1.1.2 | Therapeutic area | Diseases [C] - Respiratory Tract Diseases [C08] |
MedDRA Classification |
E.1.2 Medical condition or disease under investigation |
E.1.2 | Version | 20.0 |
E.1.2 | Level | PT |
E.1.2 | Classification code | 10035004 |
E.1.2 | Term | Pickwickian syndrome |
E.1.2 | System Organ Class | 10038738 - Respiratory, thoracic and mediastinal disorders |
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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 assess the efficacy of atomoxetine/acetazolamide (Ato/Actz) at fixed dose vs placebo in patients with obesity hypoventilation syndrome (OHS) |
Valutare l'efficacia di atomoxetina/acetazolamide (Ato/Actz) a dose fissa rispetto al placebo nei pazienti con sindrome da ipoventilazione dell'obesità (OHS) |
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E.2.2 | Secondary objectives of the trial |
• Higher proportion of participants without nocturnal hypoventilation on Ato/Actz vs placebo • Reduction in AHI on Ato/Actz vs placebo |
• Proporzione di partecipanti per la quale è risolta l’ipoventilazione notturna dopo utilizzo di Ato/Actz vs placebo • Percentuale di modifica dell’indice di Apnee/Ipopnee (AHI) tra i gruppi rispetto al basale |
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E.2.3 | Trial contains a sub-study | No |
E.3 | Principal inclusion criteria |
1. Participant must be able to understand the nature of the study and must have the opportunity to have any questions answered. Participant voluntarily agrees to participate in this study and signs an Ethic Committee -approved informed consent prior to performing any of the Screening Visit procedures. 2. Male or female participants between 18 to 75 years of age 3. BMI > 35 kg/m2, inclusive, at the pre-PSG visit 4. Presence of nocturnal hypoventilation defined as mean PtcCO2 >55 mmHg or >50 mmHg if PtcCO2 increases by more than 10 mmHg for more than 10 minutes of sleep compared to awake supine value 5. Previous surgical treatment for OSA is allowed if = 1 year prior to enrollment. 6. Participants known for OHS and having treatment are eligible for screening/baseline PSG if they report CPAP or BPAP or mandibular advancement device or positional therapy intolerance or poor compliance (compliance is defined as use of CPAP or other treatments for 4 hours per night for 70% of nights; per participant self-report). Participants who had been using CPAP at least 4 hours nightly for at least 70% of the nights are eligible for further screening and baseline PSG for this study only if CPAP or other treatments will not have been used for 2 weeks prior to the screening/baseline PSG for this study. |
1. Il partecipante deve essere in grado di comprendere la natura dello studio, deve avere l’opportunità di avere risposte alle domande che pone e deve essere in grado di firmare il consenso informato 2. Maschi o femmine con età compresa tra 18 e 75 anni 3. BMI > 35 kg/m2 compreso, alla visita basale 4. Presenza di ipoventilazione notturna, definita come una PtcCO2 media >55 mmHg o >50 mmHg se l’aumento di PtcCO2 è maggioer di 10 mmHg per più di 10 minuti durante il sonno rispetto al valore di PtcCO2 da sveglio supino. 5. Precedenti interventi chirurgici per l’OSA sono permessi solo se precedono di almeno 1 anno la data di arruolamento 6. Pazienti noti per OHS o OSA in trattamento sono arruolabili per la PSG basale se riportano una ridotta aderenza al trattamento con CPAP, BPAP, terapia posizionale o device di avanzamento mandibolare (l’aderenza è definita come utilizzo di trattamento per 4 ore\notte per almeno 70% delle notti come riportato dal paziente). Pazienti in trattamento sono reclutabili alla notte PSG basale se non stanno utilizzando la CPA da almeno 2 settimane prima della PSG stessa. |
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E.4 | Principal exclusion criteria |
1. History of narcolepsy. 2. Clinically significant craniofacial malformation. 3. Clinically significant respiratory (COPD, ILD) or cardiac (Heart Failure, Atrial fibrillation, established severe peripheral arterial disease) disease or hypertension requiring more than 3 medications for control 4. History of renal failure or history of hepatic insufficiency or history of hepatic cirrhosis. 5. History of schizophrenia, schizoaffective disorder or bipolar disorder according to Diagnostic and Statistical Manual of Mental Disorders-V (DSM V) or International Classification of Disease tenth edition criteria. 6. History of attempted suicide or suicidal ideation within 1 year prior to screening, or current suicidal ideation. 7. Positive screen for drugs of abuse or substance use disorder as defined in DSM-V within 12 months prior to Screening Visit. 8. A significant illness or infection requiring medical treatment in the past 30 days. 9. Clinically significant cognitive dysfunction or serious neurological disorder, including serious epilepsy/convulsions. 10. Untreated narrow angle glaucoma. 11. Women who are pregnant or nursing. 12. History of oxygen therapy. 13. Treatment with strong cytochrome P450 3A4 (CYP3A4) inhibitors, or monoamine oxidase inhibitors (MAOI) or linezolid within 14 days of the start of treatment. 14. History of pheochromocytoma. 15. History of diabetes with unstable glucose control in the past 15 days. 16. Chronic use of more than 500 mg/day of Aspirin, due to the potential for an interaction of acetazolamide and very high doses of Aspirin (acetylsalicylic acid, a salicylate drug). 19 17. Allergies to sulfonamides – e.g. hydrochlorothiazide, furosemide, sulfasalazine, celecoxib, sumatriptan, and zonisamide. 18. History of Adrenocortical insufficiency. 19. Known history of low sodium or potassium or evidence of low sodium (<130mEq\L) or potassium (<3meq\L) at blood tests in the last year (if available). 20. History of hyperchloremic acidosis. 21. Any condition that in the investigator’s opinion would present an unreasonable risk to the participant, or which would interfere with their participation in the study or confound study interpretation. 22. Participant considered by the investigator, for any reason, an unsuitable candidate to receive Ato/Acz treatment or unable or unlikely to understand or comply with the dosing schedule or study evaluations. 23. History of using oral or nasal devices (such as mandibular advancement devices) for the treatment of OSA may enroll as long as the devices are not used during participation in the study for at least 2 weeks prior to study begin. 24. History of using devices to affect participant sleeping position for the treatment of OSA, e.g. to discourage supine sleeping position, may enroll as long as the devices are not used during participation in the study. 25. Use of another investigational agent within 30 days or 5 half-lives, whichever is longer, prior to dosing. 26. Patient currently receiving: MAOIs, Serotonin and Norepinephrine Reuptake Inhibitors, Norepinephrine Reuptake Inhibitors, Lithium, Tricyclic antidepressants, strong CYP2D6 inhibitors, other strong inhibitors cytochrome P450, thiazides diuretics, benzodiazepines, opioids, drugs with clinically significant cardiac QT-interval prolonging effects, drugs known to lower seizure threshold, amphetamines, antiepileptics, modafinil or armodafinil, beta2 agonists (if used more than 3 times/week), antipsychotics, pseudoephedrine, phenylephrine, oxymetazoline, drugs for Parkinson’s, Alzheimer’s, Huntington’s, Amyotrophic Lateral Sclerosis, or drugs for other neurodegenerative diseases, more than 500 mg/day of Aspirin or salicylates, sodium Phosphate. (See paragraph 6.7 for details.) If these therapies will be interrupted 2 weeks before the study treatment start, the patient could be included in the study |
1. Anamnesi positiva per narcolessia 2. Malformazioni cranio-facciali clinicamente rilevanti 3. Patologie respiratorie significative (BPCO che necessiti di terapia, malattia interstiziale polmonare) o patologie cardiache clinicamente rilevanti o ipertensione che necessiti di più di 3 farmaci per il suo controllo 4. Anamnesi di patologie renali, insufficienza epatica o cirrosi epatica. 5. Anamnesi positiva per schizofrenia, disturbi schizo-affettivo o disturbo bipolare come definite dal Manuale Diagnostico dei Disordini Mentali-V (DSM V) o dalla 10° edizione dei Criteri di Classificazione Internazionale delle Malattie 6. Tentato suicidio o ideazione suicidaria nell’anno precedente alla visita di screening o presenza di ideazione suicidaria al momento della visita 7. Disturbo da abuso di droghe o sostanze, come definite nel DSM-V nei 12 mesi precedenti la visita di screening 8. Patologia o infezione significativa che abbia richiesto trattamento medico negli ultimi 30 giorni 9. Disfunzione cognitiva clinicamente rilevante o patologia neurologica grave, inclusa epilessia 10. Glaucoma ad angolo chiuso non in trattamento 11. Donne in gravidanza o durante allattamento 12. Utilizzo di ossigeno-terapia 13. Trattamento con forti inibitori del citocromo P450 3A4 (CYP3A4), o inibitori delle monoamino ossidasi (MAOI) o linezolid entro i 14 giorni precedenti all’inizio del trattamento in studio o concomitante con il trattamento 14. Anamnesi positiva per feocromocitoma 15. Partecipanti che utilizzino dispositivi per la dissuasione della posizione supina per il trattamento delle OSA possono essere arruolati solo se il dispositivo non verrà utilizzato durante la partecipazione allo studio 16. Utilizzo cronico di aspirina (acido acetil salicilico) con un dosaggio > 500 mg/giorno a causa della potenziale interazione dell’acetazolamide con elevati dosaggi di aspirina. 17. Allergia alle sulfonamidi – es idroclorotiazide, furosemide, sulfasalazina, colecoxib, sumatripan, zonisamide. 18. Anamnesi positiva per insufficienza adreanocorticale 19. Anamnesi positiva per basso sodio o potassio plasmatico o, se disponibili, evidenza di basso sodio (<130mEq\L) o potassio ((<3mEq\L) ad esami ematici dell’ultimo anno. 20. Anamnesi positiva per acidosi ipercloremica 21. Se l’investigatore ritiene che ci possano essere rischi, per qualsiasi causa, che possano interferire con la partecipazione allo studio o alterare l’interpretazione dello studio 22. Se l’investigatore ritiene, per qualsiasi ragione, che il partecipante non sia eleggibile per l’assunzione di atomoxetina\acetazolamide o che possa essere incapace o non aderente con l’assunzione del farmaco come previsto o per le valutazioni in studio 23. Anamnesi positiva per utilizzo di apparecchi nasali o orali per il trattamento delle apnee del sonno possono essere arruolati se l’apparecchio non viene utilizzato per 2 settimane prima dell’inizio dello studio 24. Anamnesi di utilizzo di dissuasori della posizione supina possono essere utilizzati se non usati durante lo studio. 25. Utilizzo di un’altra sostanza in sperimentazione entro 30 giorni o 5 emivite prima dell’assunzione del farmaco in studio 26. Utilizzo dei farmaci elencati nella lista dei farmaci non consentiti in concomitanza con il farmaco in studio |
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E.5 End points |
E.5.1 | Primary end point(s) |
The primary efficacy endpoint is the mean nocturnal PtcCO2 level from screening/baseline to final day with study treatment. |
L'endpoint primario di efficacia è il livello medio notturno di PtcCO2 dallo screening/baseline all'ultimo giorno con il trattamento dello studio |
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E.5.1.1 | Timepoint(s) of evaluation of this end point |
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E.5.2 | Secondary end point(s) |
Gli endpoint secondari saranno la percentuale di partecipanti senza ipoventilazione notturna con Ato/Actz rispetto al placebo e la variazione dell'AHI con Ato/Actz rispetto al placebo. I valori P nominali saranno calcolati per i seguenti endpoint di efficacia per il trattamento rispetto al placebo |
Secondary endpoints will be proportion of participants without nocturnal hypoventilation on Ato/Actz vs placebo and the change in AHI on Ato/Actz vs placebo. Nominal P-values will be calculated for the following efficacy endpoints for treatment vs placebo |
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E.5.2.1 | Timepoint(s) of evaluation of this end point |
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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 | No |
E.8.1.3 | Single blind | No |
E.8.1.4 | Double blind | Yes |
E.8.1.5 | Parallel group | No |
E.8.1.6 | Cross over | Yes |
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 | Yes |
E.8.2.3 | Other | No |
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.8.4.1 | Number of sites anticipated in Member State concerned | 1 |
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 | Information not present in EudraCT |
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
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E.8.9 Initial estimate of the duration of the trial |
E.8.9.1 | In the Member State concerned years | 0 |
E.8.9.1 | In the Member State concerned months | 2 |
E.8.9.1 | In the Member State concerned days | 7 |
E.8.9.2 | In all countries concerned by the trial years | 0 |
E.8.9.2 | In all countries concerned by the trial months | 2 |
E.8.9.2 | In all countries concerned by the trial days | 7 |