E.1 Medical condition or disease under investigation |
E.1.1 | Medical condition(s) being investigated |
Xerostomia post radiotherapy |
Xerostomía post radioterapia |
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E.1.1.1 | Medical condition in easily understood language |
Xerostomia post radiotherapy |
Xerostomía post radioterapia |
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E.1.1.2 | Therapeutic area | Diseases [C] - Mouth and tooth diseases [C07] |
MedDRA Classification |
E.1.2 Medical condition or disease under investigation |
E.1.2 | Version | 20.0 |
E.1.2 | Level | LLT |
E.1.2 | Classification code | 10048223 |
E.1.2 | Term | Xerostomia |
E.1.2 | System Organ Class | 100000004856 |
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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 |
- Determine changes in the xerostomia characteristics and discomfort degree by means of questionnaires addressed to the physician and subject of study. - Determine the volume of submaxilar saliva without stimulation and with stimulation by sialometry (SL). - Detect changes in volume, vascularization and fibrosis of submaxillary glands based on magnetic resonance imaging (MRI) with contrast. - Detect changes of submaxillary gland functionalism based on Gammagraphy (GF). |
- Determinar cambios en las características y grado de molestias de xerostomía mediante cuestionarios dirigidos a médico y sujeto de estudio. - Determinar el volumen de la saliva submaxilar sin estimulación y con estimulación mediante sialometría (SL). - Detectar cambios de volumen, vascularización y fibrosis de glándulas submaxilares basadas en la proyección de imagen de resonancia magnética (RMN) con contraste. - Detectar cambios de funcionalismo de glándulas submaxilares basados en Gammagrafía (GF). |
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E.2.2 | Secondary objectives of the trial |
- Determine the Safety of the proposed procedure by recording adverse events (AEs) and serious adverse events (SAEs). |
- Determinar la Seguridad del procedimiento propuesto registrando los acontecimientos adversos (AAs) y acontecimientos adversos graves (AAGs). |
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E.2.3 | Trial contains a sub-study | No |
E.3 | Principal inclusion criteria |
1. Patients from 18 to 75 years old of both sexes. 2. Biochemical analysis without significant alterations which could contraindicate the treatment. 3. Bilateral radiotherapy of the previous neck due to neoplasia in states T1-T2 and N0, N1 and N2a. 4. 2 years of follow-up without recurrence. 5. Reduction of salivation and hyposalivation, evaluated by an examination, flow rate or whole unstimulated saliva in the range of 0.05-0.20 ml / min. 6. Grade 1-3 xerostomy as assessed by the grading scale. 7. The patient is able to understand the nature of the study. 8. Written informed consent of the patient |
1. Pacientes de 18 a 75 años de ambos sexos. 2. Análisis bioquímicos sin alteraciones significativas que contraindiquen el tratamiento. 3. Radioterapia bilateral del cuello previa por neoplasia en estados T1-T2 y N0, N1 y N2a. 4. 2 años de seguimiento sin recidiva. 5. Reducción de la salivación y la hiposalivación, evaluados por un examen, tasa de flujo o saliva entera sin estimular en el rango de 0.05-0.20 ml/min. 6. Grado 1-3 xerostomía según lo evaluado por la escala de calificación. 7. El paciente es capaz de entender la naturaleza del estudio. 8. Consentimiento informado por escrito del paciente |
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E.4 | Principal exclusion criteria |
1. Participation in another clinical trial in the 3 months prior to his/her inclusion. 2. Present infection (no infectious sign should be evidenced with repercussion on the evolution of the treated lesion). 3. Patients with positive serologies for HIV, lues and hepatitis with positive viral load. 4. History of cancer in the last 2 years. History of teratoma, adenocarcinoma derived from one of the salivary glands, lymphoma of the tonsils or some other lymphatic tissue or melanoma of pigmented cells of the oral mucosa. 5. Xerogenic medication in progress. 6. Other diseases of the salivary glands, for example, Sjögren's syndrome, sialolithiasis, etc. 7. Local infection. 8. Pregnancy or pregnancy planned within the next 2 years. 9. Breastfeeding. 10. Treatment with anticoagulants (not interruptible in MO or application). 11. Any other illness or condition that is grounds for exclusion for the investigator. |
1. Participación en otro ensayo clínico en los 3 meses previos a su inclusión. 2. Infección presente (no debe evidenciarse ningún signo infeccioso con repercusión sobre la evolución de la lesión tratada). 3. Pacientes con serologías positivas para HIV, lúes y hepatitis con carga viral positiva. 4. Antecedente de cáncer en los últimos 2 años. Antecedente de teratoma, adenocarcinoma derivado de una de las dos glándulas salivales, linfoma de las amígdalas o de algún otro tejido linfático o melanoma de células pigmentadas de la mucosa oral. 5. Medicación xerogénica en curso. 6. Otras enfermedades de las glándulas salivales, por ejemplo, síndrome de Sjögren, sialolitiasis, etcétera. 7. Infección local. 8. Embarazo o embarazo previsto dentro de los próximos 2 años. 9. Lactancia materna. 10. Tratamiento con anticoagulantes (no interrumpible en MO o aplicación). 11. Cualquier otra enfermedad o condición que para el investigador sea motivo de exclusión. |
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E.5 End points |
E.5.1 | Primary end point(s) |
- Changes in the OHIP Questionnaire (OHIP-14-sp) and EVA of xerostomia to determine the changes in the characteristics and degree of discomfort of xerostomia. - Restoration or increase of salivary function to determine the volume of submaxilla saliva without stimulation and with stimulation (sialometry). - Restoration of the glandular structure (volume, vascularization and fibrosis of submaxillary glands) by means of NMR with contrast that denote changes in its volume and fibrosis. - Measurement of submaxillary gland functionalism changes through gammagraphy. |
- Cambios en el Cuestionario OHIP (OHIP-14-sp) y EVA de xerostomia para determinar los cambios en las características y grado de molestias de xerostomía. - Restauración o aumento de la función salival para determinar el volumen de la saliva submaxilar sin estimulación y con estimulación (sialometría). - Restauración de la estructura glandular (volumen, vascularización y fibrosis de glándulas submaxilares) mediante RMN con contraste que denote cambios en su volumen y fibrosis. - Medición de cambios de funcionalismo de glándulas submaxilares mediante Gammagrafía. |
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E.5.1.1 | Timepoint(s) of evaluation of this end point |
12 months + 12 months for safety (outside the clinical trial) |
12 meses + 12 meses por seguridad (fuera del ensayo clínico) |
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E.5.2 | Secondary end point(s) |
Determination of the Safety of the proposed procedure, recording adverse events (AEs) and serious adverse events (SAEs). It will be considered as early safety measures: Pain at the site of injection, submaxillary swelling, duration of submaxillary swelling in days, oral discomfort, infection. |
Determinación de la Seguridad del procedimiento propuesto, registrando los acontecimientos adversos (AAs) y acontecimientos adversos graves (AAGs). Se contemplará como medidas de seguridad temprana: Dolor en el sitio de la inyección, Tumefacción submaxilar, Tiempo de duración de la tumefacción submaxilar en días, Molestias orales, Infección. |
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E.5.2.1 | Timepoint(s) of evaluation of this end point |
12 months + 12 months for safety (outside the clinical trial) |
12 meses + 12 meses por seguridad (fuera del ensayo clínico) |
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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 | Yes |
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 | No |
E.8.1.1 | Randomised | No |
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 | No |
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 | No |
E.8.2.4 | Number of treatment arms in the trial | 1 |
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
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Last patient last visit (LPLV) |
Último paciente última visita (LPLV) |
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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 | |
E.8.9.1 | In the Member State concerned months | 12 |
E.8.9.1 | In the Member State concerned days | |