NCT01335503

Brief Summary

The aim is to demonstrate how fast and to what extent AN-PEP can degrade gluten in vivo in the stomach and how much gluten enters the small intestine. A second question is whether the caloric density of a meal can influence the efficacy of AN-PEP breakdown.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
12

participants targeted

Target at below P25 for not_applicable

Timeline
Completed

Started Apr 2011

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

April 1, 2011

Completed
11 days until next milestone

First Submitted

Initial submission to the registry

April 12, 2011

Completed
2 days until next milestone

First Posted

Study publicly available on registry

April 14, 2011

Completed
1 year until next milestone

Primary Completion

Last participant's last visit for primary outcome

May 1, 2012

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

May 1, 2012

Completed
Last Updated

August 13, 2013

Status Verified

August 1, 2013

Enrollment Period

1.1 years

First QC Date

April 12, 2011

Last Update Submit

August 12, 2013

Conditions

Keywords

gluten

Outcome Measures

Primary Outcomes (1)

  • Effect of AN-PEP with a low or high caloric meal on gluten degradation in the duodenum

    Difference in gluten (volume x concentration) x time between AN-PEP and placebo with a low or high caloric meal in the duodenum

    0-240 min

Secondary Outcomes (5)

  • Effect of AN-PEP with a low or high caloric meal on gluten degradation in the stomach

    0-240 min

  • Effect of meal caloric density on gastric emptying

    0-240 min

  • Effect of AN-PEP and meal caloric density on gastric and duodenal pH

    0-240 min

  • Effect of caloric density on AN-PEP-mediated gluten degradation in the duodenum

    0-240 min

  • Effect of caloric density on AN-PEP-mediated gluten degradation in the stomach

    0-240 min

Study Arms (4)

AN-PEP with low caloric meal

ACTIVE COMPARATOR
Dietary Supplement: AN-PEP

AN-PEP with high caloric meal

ACTIVE COMPARATOR
Dietary Supplement: AN-PEP

Placebo with low caloric meal

PLACEBO COMPARATOR
Dietary Supplement: AN-PEP

Placebo with high caloric meal

PLACEBO COMPARATOR
Dietary Supplement: AN-PEP

Interventions

AN-PEPDIETARY_SUPPLEMENT

Endoprotease enzyme (AN-PEP)

Also known as: Aspergillus Niger Prolyl EndoProtease enzyme (AN-PEP)
AN-PEP with high caloric mealAN-PEP with low caloric mealPlacebo with high caloric mealPlacebo with low caloric meal

Eligibility Criteria

Age18 Years - 44 Years
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64)

You may qualify if:

  • Male/female
  • Age ≥ 18 years but \< 45 years
  • Hormonal contraceptive treatment
  • Subject has read and understood the information provided on the study and given written informed consent

You may not qualify if:

  • Any medical condition or laboratory test result that in the opinion of the investigators may interfere with the study and may jeopardise the health status of the participant
  • pregnancy or lactation
  • women not treated with hormonal contraceptive treatment

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Maastricht University

Maastricht, Netherlands

Location

Related Publications (2)

  • Bartholome R, Salden B, Vrolijk MF, Troost FJ, Masclee A, Bast A, Haenen GR. Paracetamol as a Post Prandial Marker for Gastric Emptying, A Food-Drug Interaction on Absorption. PLoS One. 2015 Sep 9;10(9):e0136618. doi: 10.1371/journal.pone.0136618. eCollection 2015.

  • Salden BN, Monserrat V, Troost FJ, Bruins MJ, Edens L, Bartholome R, Haenen GR, Winkens B, Koning F, Masclee AA. Randomised clinical study: Aspergillus niger-derived enzyme digests gluten in the stomach of healthy volunteers. Aliment Pharmacol Ther. 2015 Aug;42(3):273-85. doi: 10.1111/apt.13266. Epub 2015 Jun 4.

Study Officials

  • Ad Masclee, Prof Dr

    Maastricht University Medical Center

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
QUADRUPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
TREATMENT
Intervention Model
CROSSOVER
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

April 12, 2011

First Posted

April 14, 2011

Study Start

April 1, 2011

Primary Completion

May 1, 2012

Study Completion

May 1, 2012

Last Updated

August 13, 2013

Record last verified: 2013-08

Locations