- ICH GCP
- Registr klinických studií v USA
- Klinická studie NCT07573787
Homoeriodictyol Sodium Mouthwash to Reduce Chemotherapy Induced Bitter Taste Disorders (HED)
Homoeriodictyol Sodium Mouthwash to Reduce Chemotherapy Induced Bitter Taste Disorders - a Pilot Study
Background: More than 75% of women with cancer experience taste disorders during adjuvant chemotherapy. Bitter phantogeusia is particularly limiting. This can lead to impaired food intake with reduced energy intake, as well as changes in body composition, a reduced quality of life, and weight loss.
Study Objective: The objective of this pilot phase of the study is, on one hand, to evaluate taste testing during chemotherapy and, on the other hand, to significantly reduce bitter phantogeusia by using a mouthwash containing homoeriodictyol (HED) immediately before consuming main meals. Taste testing during chemotherapy will be evaluated as part of a pilot study.
Methods: As part of a pilot study, taste sensitivity is assessed before the start of chemotherapy and during chemotherapy. This phase of the study includes 40 patients undergoing chemotherapy. Taste sensitivity assessments are conducted before the start of chemotherapy and during the third cycle of chemotherapy, and blood samples are also collected. Food intake is assessed once a week using a 24-hour recall, and saliva samples are collected during the third cycle of chemotherapy.
Conclusion: Aim of this study is to evaluate changes in taste perception during chemotherapy and to demonstrate a reduction in bitter phantogeusia following the use of a HED mouthwash in women with cancer undergoing chemotherapy.
At a later stage, a controlled study is planned. In the double-blind, randomized, placebo-controlled study, patients with bitter phantogeusia during chemotherapy will be included. The primary endpoint will be the measured reduction in the perception of bitterness from 500 ppm caffeine between week 1 and week 3. This is intended to improve food intake and body composition and counteract treatment-related weight loss.
Přehled studie
Postavení
Podmínky
Intervence / Léčba
Typ studie
Zápis (Aktuální)
Fáze
- Nelze použít
Kontakty a umístění
Studijní místa
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Vienna, Rakousko
- Medical University of Vienna
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Kritéria účasti
Kritéria způsobilosti
Věk způsobilý ke studiu
- Dospělý
- Starší dospělý
Přijímá zdravé dobrovolníky
Popis
Inclusion Criteria:
- Patients (>18 years) with histologically confirmed gynaecological malignancy
- Planned chemotherapy
- Written informed consent
- Expected patient compliance
Exclusion Criteria:
- Vomiting (CTCAE 4.03) > Grade 2 (3-5 episodes within 24 hours)
- Nasogastric tube or PEG tube
- Previous platinum-based chemotherapy
- Conditions that impair taste perception (e.g., infections in the oral cavity)
Studijní plán
Jak je studie koncipována?
Detaily designu
- Primární účel: Léčba
- Přidělení: N/A
- Intervenční model: Přiřazení jedné skupiny
- Maskování: Žádné (otevřený štítek)
Zbraně a zásahy
Skupina účastníků / Arm |
Intervence / Léčba |
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Experimentální: HED arm
In the clinical pilot study, taste sensitivity was assessed by measuring detection and recognition thresholds for sweet, bitter, and metallic tastes using standardized sensory tests in the same patients, first when chemo-naïve and again 6 - 7 weeks after initiation of carboplatin-based chemotherapy, to evaluate chemotherapy-induced changes.
In addition, subjective changes in taste perception were evaluated using a questionnaire.
Patients, who were able to perceive and assess the bitterness of caffeine solutions, were included in the analysis of the effect of the Na-HED rinse-and-spit solution.
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To prepare the study medication, 30 mg of homoeriodictyol sodium is granulated with food coloring, an opacifier and a carrier material (manufactured by Symrise AG, Holzminden, Germany) and then packaged in airtight bags.
The powder is portioned and packed into bags at the Institute of Physiological Chemistry using portioning spoons.
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Co je měření studie?
Primární výstupní opatření
Měření výsledku |
Popis opatření |
Časové okno |
|---|---|---|
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Taste tests
Časové okno: Taste tests will be conducted before the start of chemotherapy and at the third cycle of chemotherapy (each cycle is 21 days, thus assessment is performed at day 42).
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Taste tests will be conducted before the start of chemotherapy and during the third cycle of chemotherapy.
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Taste tests will be conducted before the start of chemotherapy and at the third cycle of chemotherapy (each cycle is 21 days, thus assessment is performed at day 42).
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Sekundární výstupní opatření
Měření výsledku |
Popis opatření |
Časové okno |
|---|---|---|
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Platinum concentration in saliva samples
Časové okno: Saliva samples will be collected before chemotherapy and 2, 4, 6, and 18-20 hours after start of chemotherapy. These samples will be assessed at the day of first and third cycle of chemotherapy (each cycle is 21 days, thus assessment).
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Saliva samples will be collected directly before the start of chemotherapy and 1 hour, 6 hours, 18 hours and 24 hours after start of chemotherapy.
This will be performed during first and third cycle of chemotherapy.
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Saliva samples will be collected before chemotherapy and 2, 4, 6, and 18-20 hours after start of chemotherapy. These samples will be assessed at the day of first and third cycle of chemotherapy (each cycle is 21 days, thus assessment).
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Serum zinc concentration
Časové okno: Blood samples will be assessed before the start of chemotherapy and at the third cycle of chemotherapy (each cycle is 21 days, thus assessment is performed at day 42).
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Blood samples to evaluate serum zinc concentration will be assessed directly before chemotherapy at chemotherapy cycle one and three.
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Blood samples will be assessed before the start of chemotherapy and at the third cycle of chemotherapy (each cycle is 21 days, thus assessment is performed at day 42).
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Serum platinum concentration
Časové okno: Blood samples will be assessed before the start of chemotherapy and at the third cycle of chemotherapy (each cycle is 21 days, thus assessment is performed at day 42).
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Blood samples to evaluate serum platinum concentration will be assessed directly before chemotherapy at chemotherapy cycle one and three.
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Blood samples will be assessed before the start of chemotherapy and at the third cycle of chemotherapy (each cycle is 21 days, thus assessment is performed at day 42).
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Food intake measurements
Časové okno: 24-hour recall will be performed before the start of chemotherapy, one week, three weeks, and 13 weeks after the start of chemotherapy.
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Food intake will be assessed using a 24-hour recall before the start of chemotherapy, one week, three weeks, and 13 weeks after the start of chemotherapy.
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24-hour recall will be performed before the start of chemotherapy, one week, three weeks, and 13 weeks after the start of chemotherapy.
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Spolupracovníci a vyšetřovatelé
Sponzor
Spolupracovníci
Termíny studijních záznamů
Hlavní termíny studia
Začátek studia (Aktuální)
Primární dokončení (Aktuální)
Dokončení studie (Aktuální)
Termíny zápisu do studia
První předloženo
První předloženo, které splnilo kritéria kontroly kvality
První zveřejněno (Aktuální)
Aktualizace studijních záznamů
Poslední zveřejněná aktualizace (Aktuální)
Odeslaná poslední aktualizace, která splnila kritéria kontroly kvality
Naposledy ověřeno
Více informací
Termíny související s touto studií
Klíčová slova
Další identifikační čísla studie
- 1185/2018
Plán pro data jednotlivých účastníků (IPD)
Plánujete sdílet data jednotlivých účastníků (IPD)?
Popis plánu IPD
Typ podpůrných informací pro sdílení IPD
- PROTOKOL STUDY
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