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Clinical trialNCT03094416CompletedPhase 4Interventional

Levothyroxine Sodium in Thyroidectomized Patients Taking Proton Pump Inhibitors

SponsorIBSA Institut Biochimique SAEnrollment66Hypothyroidism;Postablative
View the registry record on ClinicalTrials.gov

Summary

The lay summary the sponsor registered on ClinicalTrials.gov.

This is an open-label therapeutic efficacy study of Tirosint (levothyroxine sodium) capsules in thyroidectomized patients taking proton pump inhibitors and levothyroxine, evaluating changes in serum levels of Thyroid Stimulating Hormone (TSH) upon switch to Tirosint with respect to baseline.
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

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

United States
  • California Head and Neck Specialists

    La Jolla, California, United States

  • Coastal Metabolic Research Centre

    Ventura, California, United States

  • Washington Hospital Center

    Washington D.C., District of Columbia, United States

  • Medstar Union Memorial Hospital

    Baltimore, Maryland, United States

  • Nyc Health + Hospitals/ Queens

    New York, New York, United States

  • Diabetes & Endocrinology Consultants, Pc

    Morehead City, North Carolina, United States

  • Carolina Ear Nose and Throat Clinic

    Orangeburg, South Carolina, United States

  • Virginia Commonwealth University

    Richmond, Virginia, United States

  • Stonesifer Endocrine Care & Clinical Research Inc., Ps

    Federal Way, Washington, 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.

Levothyroxine →Proton pump inhibitor
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
30 Jul 2018
Primary completion
15 Jun 2020
Completion
15 Jun 2020
Last update posted
5 Apr 2022
Registered enrollment
66
Registry id
NCT03094416
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.