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Evaluation of LacTEST for the diagnosis of hypolactasia in adults and elderly patients presenting with clinical symptoms of lactose intolerance.

Evaluation of the impact of LacTEST on diagnostic thinking and on patient management, and of the reproducibility (Test-Retest), for the diagnosis of hypolactasia in adults and elderly patients presenting with clinical symptoms of lactose intolerance.

Status
Not yet recruiting
Phases
Unknown
Study type
Interventional
Source
EU CTR
Registry ID
EUCTR2015-001181-26-ES
Enrollment
Unknown
Registered
2015-06-01
Start date
2015-07-16
Completion date
Unknown
Last updated
2015-08-04

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Evaluación del impacto de LacTEST en el pensamiento diagnóstico y en el manejo terapéutico del paciente, y de reproducibilidad (Test-Retest), para el diagnóstico de la hipolactasia en adultos y población anciana que presenten síntomas clínicos de intolerancia a la lactosa.

Interventions

Trade Name: LacTEST 0,45g Product Name: Gaxilose Pharmaceutical Form: Powder and solvent for oral solution INN or Proposed INN: GAXILOSE Other descriptive name: LacTEST Concentration unit: g gram(s) C

Sponsors

Venter Pharma S.L.
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. Adults of either sex, between 18 and 70 years old. 2. Capacity for understanding and giving the informed consent to participate in this study. 3. Patients with clinical suggestive of lactose intolerance, primary or secondary, who have not been diagnosed and that fulfil the requirements allowed by the Gaxilose summary of product characteristics Are the trial subjects under 18? no Number of subjects for this age range: F.1.2 Adults (18-64 years) yes F.1.2.1 Number of subjects for this age range 144 F.1.3 Elderly (>=65 years) yes F.1.3.1 Number of subjects for this age range 144

Exclusion criteria

Exclusion criteria: 1. Pregnant women or breast-feeding women. 2. Unable or reticent to give the informed consent or to comply with the study?s requirements. 3. Severe renal insufficiency. 4. Portal hypertension: ascites, cirrhosis. 5. Medical records of total gastrectomy and/or vagotomy. 6. Patients diagnosed with myxedema. 7. Patients with Diabetes Mellitus. 8. Patients who are participating or have participated in any clinical trial within the 3 months previous to their inclusion in the study. 9. Patients who are drug abuse consumers. 10. Patients under treatment with antibiotics, sulphamides and antiparasitics, who cannot suspend the treatments 7 days prior to the performance of the hydrogen breath test. 11. Patients with any recognized and already existing disorder that might interfere with the any of the lactose intolerance diagnosis tests. 12. Patients who have taken aspirin of indomethacin in the 48h preceding the performance of the Gaxilose test. 13. Patients with glomerular filtration rate (GFR) less 90 ml/min/1.73 m2.

Design outcomes

Primary

MeasureTime frame
Main Objective: The primary objective is to demonstrate non ?inferiority of Gaxilose test, compared with Hydrogen Breath Test (HBT) using a validated method, of the impact on diagnostic thinking for the diagnosis of hypolactasia.;Secondary Objective: 1. to demonstrate non ?inferiority of Gaxilose test, compared with Hydrogen Breath Test (HBT), on the impact on patient management for the diagnosis of hypolactasia; 2. to demonstrate Gaxilose test reproducibility with urine accumulated from 0-4h after Gaxilose administration; 3. to demonstrate Gaxilose test reproducibility with urine accumulated from 0-5h after Gaxilose administration; 4. safety assessments.;Primary end point(s): To analyse the change in diagnostic certainty and in patient management consequent to HBT or Gaxilose test implementation in the clinical practice.;Timepoint(s) of evaluation of this end point: - Visual Analogue Scale (VAS) pre-test and post-test. - Intended management pre-test and post-test questionnaires.

Secondary

MeasureTime frame
Secondary end point(s): Not applicable;Timepoint(s) of evaluation of this end point: Not applicable

Countries

Spain

Contacts

Public ContactPaz González

Pivotal, S.L.

paz.gonzalez@pivotal.es349170812501255

Outcome results

None listed

Source: EU CTR (via WHO ICTRP) · Data processed: Mar 5, 2026