Independent directory Public ClinicalTrials.gov records United States
ClinicalTrials.gov record
Completed Phase 2 Interventional Results available

A Trial of All-trans Retinoic Acid (ATRA) in Advanced Adenoid Cystic Carcinoma

ClinicalTrials.gov ID: NCT03999684

Public ClinicalTrials.gov record NCT03999684. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Nov 9, 2026, 8:54 AM EST

All trial information on this site comes from the official ClinicalTrials.gov public API (clinicaltrials.gov/api/v2), run by the U.S. National Library of Medicine. We only display that public information; we do not add opinions, endorsements, or any other intent. Always review the official ClinicalTrials.gov record for the latest information.

Official title

A Phase II Trial of All-trans Retinoic Acid (ATRA) in Advanced Adenoid Cystic Carcinoma

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

This research is studying how safe and effective all-trans retinoic acid (ATRA), is to treat advanced adenoid cystic carcinoma (ACC).

Study identification

NCT ID
NCT03999684
Recruitment status
Completed
Study type
Interventional
Phase
Phase 2
Enrollment
18 participants

Conditions and interventions

Interventions

Drug

Eligibility (public fields only)

Age range
18 Years and older
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Aug 5, 2019 (Actual)
Primary completion
Apr 15, 2020 (Actual)
Completion
Apr 15, 2020 (Actual)
Last update posted
Jan 23, 2023

2019 – 2020

United States locations

U.S. sites
2
U.S. states
1
U.S. cities
1
Facility City State ZIP Site status
Massachusetts General Hospital Cancer Center Boston Massachusetts 02114 —
Dana Farber Cancer Institute Boston Massachusetts 02115 —

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT03999684, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Jan 23, 2023 · Synced Nov 9, 2026

Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.

Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT03999684 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →