Assessment of exogenous lactase enzyme

Effect of exogenous lactase on reduction of lactose intolerance gastrointestinal symptoms in lactose intolerant patients compared with placebo

Status

Active, not recruiting

Phases

Phase 2

Study type

Interventional

Source

IRCT

Registry ID

IRCT138902113740N1

Enrollment

Registered

2010-05-21

Start date

2009-02-03

Completion date

Unknown

Last updated

2018-02-22

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

Conditions

Lactose intolerance. Lactose intolerance

Interventions

Intervention 1: two oral capsuls each contained starch before milk and dairy for one week. Intervention 2: two oral capsuls each contained 3000 u lactase enzyme before milk and dairy for one week.

Placebo

Treatment - Drugs

two oral capsuls each contained starch before milk and dairy for one week

two oral capsuls each contained 3000 u lactase enzyme before milk and dairy for one week

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Inclusion criteria: Positive lactose hydrogen breath test. Exclusion criteria: Incorrect use of lactase enzyme

Exclusion criteria

Exclusion criteria:

Design outcomes

Primary

Measure	Time frame
Treatment of lactose intolerance. Timepoint: One week after intervention. Method of measurement: Symptom evaluation questionnaire.	—

Countries

Iran (Islamic Republic of)

Contacts

Public ContactDr Behzad Asanjarani

Arak University of Medical Sciences

ramin ghahremani@hotmail.com+98 86 1417 3608

Outcome results

None listed

Source: IRCT (via WHO ICTRP) · Data processed: Feb 4, 2026