NCT04482478

Brief Summary

This clinical trial was designed to evaluate the functional and safety effects on dyspeptic symptoms compared to the placebo when ingested with EDL (Extract of Dolichos lablab Linne) in adults who complain of dyspeptic symptoms.

Trial Health

77
On Track

Trial Health Score

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

Enrollment
100

participants targeted

Target at P50-P75 for not_applicable

Timeline
7mo left

Started Jul 2020

Longer than P75 for not_applicable

Geographic Reach
1 country

1 active site

Status
recruiting

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

Trial Relationships

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Study Timeline

Key milestones and dates

Study Progress91%
Jul 2020Dec 2026

Study Start

First participant enrolled

July 1, 2020

Completed
13 days until next milestone

First Submitted

Initial submission to the registry

July 14, 2020

Completed
8 days until next milestone

First Posted

Study publicly available on registry

July 22, 2020

Completed
4.2 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

September 30, 2024

Completed
2.2 years until next milestone

Study Completion

Last participant's last visit for all outcomes

December 30, 2026

Expected
Last Updated

April 28, 2026

Status Verified

April 1, 2026

Enrollment Period

4.3 years

First QC Date

July 14, 2020

Last Update Submit

April 23, 2026

Conditions

Keywords

Functional DyspepsiaGSRS

Outcome Measures

Primary Outcomes (1)

  • GSRS(Gastrointestinal Symptom Rating Scale) Stomach symptom score

    GSRS (Gastrointestinal Symptom Rating Scale) Stomach symptom score change after 12 weeks of administration, compared to Baseline. * the unabbreviated scale title: Gastrointestinal Symptom Rating Scale * the minimum and maximum values: 0, 24 * higher scores mean a worse outcome.

    12 weeks

Secondary Outcomes (10)

  • GSRS(Gastrointestinal Symptom Rating Scale) Stomach symptom score

    6 weeks

  • GSRS(Gastrointestinal Symptom Rating Scale) Total score

    6 weeks, 12 weeks

  • GIS(Gastrointestinal Symptom)

    6 weeks, 12 weeks

  • FD-QoL(Functional Dyspepsia-Related Quality of Life)

    12 weeks

  • ESR(Erythrocyte Sedimentation Rate)

    6 weeks, 12 weeks

  • +5 more secondary outcomes

Study Arms (2)

EDL(Extract of Dolichos lablab Linne)

EXPERIMENTAL

The randomly assigned target was given a Extract of Dolichos lablab Linne (EDL) 715 mg/day for 12 weeks.

Dietary Supplement: Extract of Dolichos lablab Linne (EDL)

Placebo comparator

PLACEBO COMPARATOR

The randomly assigned target was given a placebo for 12 weeks.

Other: Placebo oral tablet

Interventions

Investigational product (EDL): once a day, 2 tablets orally intake (Extract of Dolichos lablab Linne 715 mg/day)

EDL(Extract of Dolichos lablab Linne)

Placebo: consumed in the same way as the investigational product

Placebo comparator

Eligibility Criteria

Age19 Years+
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Those over the age of 19
  • Those diagnosed with functional dyspepsia (Rome IV\*)
  • \* One or more of the following symptoms are diagnosed when there is no organic cause in the test including the upper gastrointestinal endoscopy(if symptoms begin 6 months prior to Visit 1, and the symptoms are present in the past 3 months).
  • Othersome postprandial fullness
  • Unpleasant early satiation
  • Unpleasant epigastric pain
  • Unpleasant epigastric burning
  • A person who has 4 or more of the 10 symptoms in the GIS (Gastrointestinal Symptom) questionnaire and has a total score of 12 or more (5-point Likert scale)
  • When there is no organic disease in the gastroscopy performed at Visit 1 (however, it can be replaced by the test results within 3 months from Visit 1)
  • A person who consented to participate in this clinical trial and signed a Informed consent form before the trail began.

You may not qualify if:

  • Persons who are currently being treated with severe cardiovascular system, immune system, respiratory system, hepatobiliary system, kidney and urinary system, nervous system, musculoskeletal system, mental, infectious diseases, and malignant tumors (however, considering the condition of the subjects, subjects can participate in the test according to investigator's judgment.)
  • Persons with a history of peptic ulcer and reflux esophagitis within 6 months of Visit 1
  • Those who have gastrointestinal surgery (except appendectomy and hemorrhoidectomy)
  • Persons with a history of malignancy of the digestive system
  • Those who have taken H2 receptor blockers, anticholinergic agents (muscarinic receptor antagonists), gastrin receptor antagonists, prostaglandin preparations, proton pump inhibitors, gastric mucosal protective agents, other drugs intended to treat gastritis, gastric health-related health functional food within 2 weeks of Visit 1
  • Those who need to constantly take medications that can cause gastritis, such as adrenal cortical hormones, nonsteroidal anti-inflammatory drugs, and aspirin during the human application test {However, low-dose aspirin for cardiovascular disease prevention (100 mg/day or less) permit}
  • In the Drinking Habit Questionnaire, those who had an average alcohol intake of 14 units or more for men and or more 7 units for women per week for the past month.
  • Uncontrolled hypertension persons (systolic blood pressure of 160 mmHg or higher, or diastolic blood pressure of 100 mmHg or higher, measurement criteria after 10 minutes of stability in human subjects)
  • Persons with uncontrolled diabetes (fasting blood sugar is over 180 mg/dL)
  • Those whose Creatinine is more than twice the normal upper limit of the study institution
  • Those whose AST(GOT) or ALT(GPT) is more than 3 times the normal upper limit of the study institution
  • Persons who are sensitive or allergic to investigational product for this clinical trial
  • Pregnant, lactating or planning to become pregnant within 3 months
  • Those who participated in other clinical trials within 3 months of Visit 1 or plan to participate in other clinical trials after the start of this clinical trials.
  • A person who determines that the Investigator is inappropriate for clinical trials
  • +1 more criteria

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Seoul National University Bundang Hospital

Seongnam-si, Gyeonggi-do, 13620, South Korea

RECRUITING

Study Officials

  • Nayoung Kim, M.D., Ph. D.

    Seoul National University Bundang Hospital

    PRINCIPAL INVESTIGATOR

Central Study Contacts

Nayoung Kim, M.D., Ph. D.

CONTACT

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
QUADRUPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Model Details: Subjects are randomly assigned to either the test group or the control group according to the registered order. Subjects take investigational product or placebo for 12 weeks. Investigational product (EDL): once a day, 2 tablets orally intake (Extract of Dolichos lablab Linne 715 mg/day) Placebo: consumed in the same way as the investigational product
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Professor

Study Record Dates

First Submitted

July 14, 2020

First Posted

July 22, 2020

Study Start

July 1, 2020

Primary Completion

September 30, 2024

Study Completion (Estimated)

December 30, 2026

Last Updated

April 28, 2026

Record last verified: 2026-04

Locations