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.
Studieoversigt
Status
Betingelser
Intervention / Behandling
Undersøgelsestype
Tilmelding (Faktiske)
Fase
- Ikke anvendelig
Kontakter og lokationer
Studiesteder
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Vienna, Østrig
- Medical University of Vienna
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Deltagelseskriterier
Berettigelseskriterier
Aldre berettiget til at studere
- Voksen
- Ældre voksen
Tager imod sunde frivillige
Beskrivelse
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)
Studieplan
Hvordan er undersøgelsen tilrettelagt?
Design detaljer
- Primært formål: Behandling
- Tildeling: N/A
- Interventionel model: Enkelt gruppeopgave
- Maskning: Ingen (Åben etiket)
Våben og indgreb
Deltagergruppe / Arm |
Intervention / Behandling |
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Eksperimentel: 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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Hvad måler undersøgelsen?
Primære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
|---|---|---|
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Taste tests
Tidsramme: 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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Sekundære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
|---|---|---|
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Platinum concentration in saliva samples
Tidsramme: 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
Tidsramme: 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
Tidsramme: 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
Tidsramme: 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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Samarbejdspartnere og efterforskere
Sponsor
Samarbejdspartnere
Datoer for undersøgelser
Studer store datoer
Studiestart (Faktiske)
Primær færdiggørelse (Faktiske)
Studieafslutning (Faktiske)
Datoer for studieregistrering
Først indsendt
Først indsendt, der opfyldte QC-kriterier
Først opslået (Faktiske)
Opdateringer af undersøgelsesjournaler
Sidste opdatering sendt (Faktiske)
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidst verificeret
Mere information
Begreber relateret til denne undersøgelse
Andre undersøgelses-id-numre
- 1185/2018
Plan for individuelle deltagerdata (IPD)
Planlægger du at dele individuelle deltagerdata (IPD)?
IPD-planbeskrivelse
IPD-deling Understøttende informationstype
- STUDY_PROTOCOL
Lægemiddel- og udstyrsoplysninger, undersøgelsesdokumenter
Studerer et amerikansk FDA-reguleret lægemiddelprodukt
Studerer et amerikansk FDA-reguleret enhedsprodukt
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