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Clinical trialNCT03870399CompletedPhase 2Interventional

Study of Tamoxifen in Well Differentiated Neuroendocrine Tumors and Hormone Receptor Positive Expression

SponsorAC Camargo Cancer CenterEnrollment23Estrogen Receptor Positive TumorNeuroendocrine TumorsProgesterone Receptor Positive Tumor
View the registry record on ClinicalTrials.gov

Summary

The lay summary the sponsor registered on ClinicalTrials.gov.

This is a single-arm, unicentric, single-stage clinical study of tamoxifen for patients with well differentiated neuroendocrine tumors and radiological progression with positive (\> 1 percent) HR (estrogen and / or progesterone) expression by IHC. It will evaluate if Tamoxifen exerts antitumor action in patients with well differentiated NET and positive for the expression of HR, estrogen and / or progesterone.
clinicaltrials.gov ↗

Investigators

The overall officials registered on this study. Names that resolve to a findmyKOL profile link to it; the rest are shown as registered.

A profile link is shown only when the registered name resolves to a person record with a confident, namesake-checked match; ambiguous names stay unlinked.

Sites

2 registered facilities, with the per-site recruitment status where the registry publishes one. ClinicalTrials.gov does not publish per-site enrollment counts.

Brazil
  • Ac Camargo Cancer Center

    São Paulo, São Paulo, Brazil

United States
  • H. Lee Moffitt Cancer Center & Research Institute

    Tampa, Florida, United States

Site investigator names are published by ClinicalTrials.gov only while a study recruits, so completed studies list sites without them.

Drugs studied

The drug and biological interventions registered on this study, normalized to their RxNorm ingredient where possible.

Tamoxifen →
Linked drugs open the directory filtered to KOLs working with them.clinicaltrials.gov ↗

Registration & key dates

Registry attributes as recorded on the ClinicalTrials.gov study record.

Start
13 Mar 2019
Primary completion
13 May 2023
Completion
13 May 2023
Last update posted
6 May 2024
Registered enrollment
23
Registry id
NCT03870399
clinicaltrials.gov ↗

Source: ClinicalTrials.gov, via the CTTI AACT database, data as of 24 Aug 2026. Registry facts are shown as registered by the study sponsor; findmyKOL does not interpret them.