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Clinical Trial Details — Status: Withdrawn

Administrative data

NCT number NCT01960101
Other study ID # C12-58
Secondary ID 2012-A01686-37
Status Withdrawn
Phase N/A
First received October 8, 2013
Last updated December 2, 2015
Start date October 2013

Study information

Verified date December 2015
Source Institut National de la Santé Et de la Recherche Médicale, France
Contact n/a
Is FDA regulated No
Health authority France: Agence Nationale de Sécurité du Médicament et des produits de santé
Study type Interventional

Clinical Trial Summary

Dry mouth is in most cases due to iatrogenic causes, particularly drugs. The existing products such as saliva substitutes are often disappointing (bad taste, poor efficiency).

Our hypothesis has considered the "empirical" observations made by some patients with xerostomia who consumed milk products to relieve the dry mouth syndrome from which they suffered. With this clinical observation, a closer collaboration has been undertaken with research laboratories specialising in food and especially milk. Through its composition, the dairy product in itself provides relief for the patient, due both to its physical and biochemical properties, which could explain these observed improvements, and elements related to the phenomena of consumption of food as an alternative to medication. In the latter, hedonism takes on a role which has not been previously assessed. Initial work undertaken with the department of applied research at the National Dairy Industry School (ENIL) led to the prototyping of a new natural milk, which is the subject of this application for development, to qualify and adapt a product with a "health benefit" in patients suffering from xerostomia.

To further develop this project we will initiate a sequential clinical trial by groups of five ambulatory patients with xerostomia (patients taking antidepressants followed in psychiatry appointments). The clinical tests will be organised by the CIC with the psychiatric wards of the University Hospital of Besançon. Each group of 5 patients will test a similar product for 14 days. The information collected after a series of tests with a group of patients will be translated by changing the ENIL specifications to produce a new mini-series of products. This repetition will be carried out up to 3 times if necessary to help achieve a satisfactory product in terms of taste, texture and lubrication properties, which will then be tested in a randomized controlled cross-over study of the efficiency and acceptability of the new "LactoXeros" product versus a reference product (Aequasyal ®, Oxidized Glycerol Triester) on a group of 32 patients at the University hospital of Dijon.

A natural way to combat xerostomia at the interface of patient diet, such as we propose, could help improve quality of life for patients, minimize harmful effects (infection, decay) and promote adherence of patients to treatments which are responsible for xerostomia.


Recruitment information / eligibility

Status Withdrawn
Enrollment 0
Est. completion date
Est. primary completion date March 2015
Accepts healthy volunteers No
Gender Both
Age group 18 Years and older
Eligibility Inclusion Criteria:

- Patients over 18 years old

- Patients seen in the psychiatry department requiring the prescription of psychotropic drugs (antidepressants anxiolytics) for over 6 weeks

- Patients complaining of xerostomia

- Patients having not taken a palliative therapy against xerostomia for at least 2 weeks

- Patients having signed a free and informed consent form

- Patients affiliated to a social security system

Exclusion Criteria:

- Patients suffering from psychotic illness

- Patients suffering from Sjogren's syndrome

- Patients having been treated by radiation therapy for head or neck cancer

- Patients having stopped a palliative therapy against xerostomia for less than 2 weeks

- Patients under 18

- Pregnant or Breastfeeding women

- Incapacitated adults

- Patients placed under tutorship or curatorship

- Patients under judicial protection

- Patients suffering from milk allergy or lactose intolerance

- Patients allergic to curcumin

Study Design

Allocation: Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Crossover Assignment, Masking: Open Label, Primary Purpose: Treatment


Related Conditions & MeSH terms


Intervention

Other:
LactoXeros

Device:
Aequasyal


Locations

Country Name City State
France Service de psychatrie adultes Besancon
France Service de Psychiatrie Adultes Dijon

Sponsors (5)

Lead Sponsor Collaborator
Institut National de la Santé Et de la Recherche Médicale, France Centre des Sciences du Goût et de l'Alimentation, Centre Hospitalier Universitaire de Besancon, Centre Hospitalier Universitaire Dijon, Ecole Nationale de l'Industrie Laitière

Country where clinical trial is conducted

France, 

Outcome

Type Measure Description Time frame Safety issue
Primary Mouth Dryness Score The mouth dryness score will be evaluated using a visual analogical scale (scale increased from 0 to 10 cm). The value 0 refers to normal mouth dampness (absence of dry mouth symptoms) and value 10 represents "the worst imaginable" dry mouth symptoms. This score is specific, sensitive and reproducible Score measured at day 0, day 14, Day 21 and day 35 No
Secondary Perception of other symptoms of dry mouth difficulty chewing, swallowing and speaking, burning sensation will also be evaluated using a visual analogical scale ranging from 0 to 10 cm Day 0, 14, 21 and 35 No
Secondary Silness-Loe Index measuring dental plaque The oral examination will be performed by a dentist. During the inspection, the Silness Loe plaque index will be measured. The appearance of the oral tissue (redness, dryness) will be assessed using an ordinal 4-point scale as follows: 0 = none, 1 mild, 2 = moderate, 3 = severe Day 0, 14, 21 and 35 No
Secondary Salivary flow People will be asked to spit in a collector tube for 8 minutes (2 sessions of 4 minutes separated by a 5-minute break). The saliva will be weighed and the salivary flow will then be calculated in g/min. Day 0, 14, 21 and 35 No
Secondary Biochemical analysis of saliva Antioxidant power (trolox)
Relative quantity of MUC5B mucin
Amylase activity
Lipase activity
Protein concentration
Proteolytic activity
Lysozyme level
Day 0, 14, 21 and 35 No
Secondary Analysis of the mouth coating effect assessed by optical fiber spectrofluorimetry detecting curcumin, a food coloring agent, on the tongue Day 0, 14, 21 and 35 No
Secondary Release of the aroma compounds This will be done only once and only when patients will be taking the experimental milk product (not with the Aequasyal product).
Atmospheric Pressure Ionization Mass Spectrometry (API-MS) will be used for the continuous analysis of the retro-nasal release of flavor (nosespace) when chewing a sample of the milk product.
Between day 7 and 14 OR between day 28 and day 35 No
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