NCT04296266

Brief Summary

The purpose of this study is determine salivary gland disposition of d-limonene, the primary component in citrus peel and a common dietary supplement. Salivary gland tissue and saliva will be collected to determine concentration of d-limonene and its metabolites in these tissues.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
10

participants targeted

Target at below P25 for early_phase_1

Timeline
Completed

Started Feb 2016

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

February 1, 2016

Completed
1.9 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 18, 2017

Completed
3 days until next milestone

Study Completion

Last participant's last visit for all outcomes

December 21, 2017

Completed
2.2 years until next milestone

First Submitted

Initial submission to the registry

February 20, 2020

Completed
14 days until next milestone

First Posted

Study publicly available on registry

March 5, 2020

Completed
Last Updated

March 5, 2020

Status Verified

February 1, 2020

Enrollment Period

1.9 years

First QC Date

February 20, 2020

Last Update Submit

March 3, 2020

Conditions

Outcome Measures

Primary Outcomes (1)

  • Bioavailability of Alda-341 in salivary gland tissue using GCMS

    Bio availability of Alda-341 in salivary gland tissue will be measured using gas chromatography mass spectrometry (GCMS). The scale is is 4ng/mL - 8000ng/mL.

    2 week

Secondary Outcomes (1)

  • Bioavailability of Alda-341 in saliva and blood

    2 week

Study Arms (1)

Alda-341 treatment

EXPERIMENTAL

Alda-341 treatment at 2 g/day for 14 days up until the day before regular medical care surgery.

Drug: Alda-341

Interventions

Dietary supplement d-limonene orally administered as a drug.

Also known as: d-limonene
Alda-341 treatment

Eligibility Criteria

Age18 Years - 85 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Elected to undergo surgery for recent diagnosis of parotid or submandibular gland tumor
  • Ability to adhere to study visit schedule and other protocol requirements
  • Operable candidate base on the surgeon's note
  • Ability to understand and the willingness to sign a written informed consent document

You may not qualify if:

  • Nursing or pregnant
  • Diagnosis of kidney disease, history of renal disease with creatinine \> 1.5 mg/dL, or currently on dialysis
  • Diagnosis of end stage liver disease
  • Any unstable medical condition
  • Use of chemotherapy or radiotherapy within 4 weeks before first dose of study dietary supplement
  • Unwilling to stop dietary supplements 3 weeks before first dose of study dietary supplement

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Stanford University

Stanford, California, 94304, United States

Location

MeSH Terms

Conditions

Submandibular Gland NeoplasmsParotid Neoplasms

Interventions

Limonene

Condition Hierarchy (Ancestors)

Salivary Gland NeoplasmsMouth NeoplasmsHead and Neck NeoplasmsNeoplasms by SiteNeoplasmsMouth DiseasesStomatognathic DiseasesSalivary Gland DiseasesSubmandibular Gland DiseasesParotid Diseases

Intervention Hierarchy (Ancestors)

Cyclohexane MonoterpenesCyclohexanesCycloparaffinsHydrocarbons, AlicyclicHydrocarbons, CyclicHydrocarbonsOrganic ChemicalsCyclohexenesMonoterpenesTerpenes

Study Officials

  • Quynh-Thu Le, MD

    Stanford University

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
early phase 1
Allocation
NA
Masking
NONE
Purpose
OTHER
Intervention Model
SINGLE GROUP
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

February 20, 2020

First Posted

March 5, 2020

Study Start

February 1, 2016

Primary Completion

December 18, 2017

Study Completion

December 21, 2017

Last Updated

March 5, 2020

Record last verified: 2020-02

Data Sharing

IPD Sharing
Will not share

Locations