Bioequivalence of Two Formulations of Levothyroxine Sodium 200 Micrograms (mcg) Under Tablet Form

NCT ID: NCT04037748

Last Updated: 2020-09-29

Basic Information

• Recruitment Status: COMPLETED
• Clinical Phase: PHASE1
• Total Enrollment: 72 participants
• Study Classification: INTERVENTIONAL
• Study Start Date: 2019-06-25
• Study Completion Date: 2019-09-11

Brief Summary

The study was to verify if the test formulation of Levothyroxine sodium presents an equivalent rate and extension of absorption to the comparator formulation when administered with the same dosage and under fasting conditions and after baseline correction concentrations.

Conditions

Healthy

Study Design

• Allocation Method: RANDOMIZED
• Intervention Model: CROSSOVER
• Primary Study Purpose: OTHER
• Blinding Strategy: NONE

Study Groups

First Puran T4®, then Eutirox®

Participants received single oral dose of Puran T4® 600 micrograms (mcg) (3 tablets of 200 mcg Levothyroxine sodium) in Treatment Period 1 followed by single oral dose of Eutirox® 600 mcg (3 tablets of 200 mcg Levothyroxine sodium) in Treatment Period 2 under fasting conditions. A wash-out period of 70 days was maintained between the Treatment Periods 1 and 2.

Group Type: EXPERIMENTAL

Puran T4®

Intervention Type: DRUG

Participants who received a single oral dose of Puran T4® 600 mcg tablets (3 tablets of 200 mcg Levothyroxine sodium) in either Treatment Period 1 or 2 under fasting conditions.

Eutirox®

Intervention Type: DRUG

Participants who received a single oral dose of Eutirox® 600 mcg tablets (3 tablets of 200 mcg Levothyroxine sodium) in either Treatment Period 1 or 2 under fasting conditions.

First Eutirox®, then Puran T4®

Participants received single oral dose of Eutirox® 600 mcg (3 tablets of 200 mcg Levothyroxine sodium) in Treatment Period 1 followed by single oral dose of Puran T4® 600 mcg (3 tablets of 200 mcg Levothyroxine sodium) in Treatment Period 2 under fasting conditions. A wash-out period of 70 days was maintained between the Treatment Periods 1 and 2.

Group Type: EXPERIMENTAL

Puran T4®

Intervention Type: DRUG

Participants who received a single oral dose of Puran T4® 600 mcg tablets (3 tablets of 200 mcg Levothyroxine sodium) in either Treatment Period 1 or 2 under fasting conditions.

Eutirox®

Intervention Type: DRUG

Participants who received a single oral dose of Eutirox® 600 mcg tablets (3 tablets of 200 mcg Levothyroxine sodium) in either Treatment Period 1 or 2 under fasting conditions.

Interventions

Puran T4®

Participants who received a single oral dose of Puran T4® 600 mcg tablets (3 tablets of 200 mcg Levothyroxine sodium) in either Treatment Period 1 or 2 under fasting conditions.

Intervention Type: DRUG

Eutirox®

Participants who received a single oral dose of Eutirox® 600 mcg tablets (3 tablets of 200 mcg Levothyroxine sodium) in either Treatment Period 1 or 2 under fasting conditions.

Intervention Type: DRUG

Eligibility Criteria

Inclusion Criteria

• To have freely agreed and signed the consent form, after all essential elements of the protocol have been clarified, before any procedure
• Body Mass Index (BMI) of the research participants must be comprised within the range of 18.50 to 27.00
• No abnormal findings on medical history that, in the opinion of the investigator, constitutes a risk or a contraindication for the participation of the participant in the study or that could interfere with the study objectives, conduct or evaluation
• Normal vital signs: heart rate between 50 and 100 beats per minute; Systolic pressure between 80 and 129 millimeters of mercury (mmHg); diastolic pressure between 50 and 89 mmHg; temperature between 36.0 and 37.0 degrees Celsius
• Electrocardiogram (ECG) normal (abnormalities, even if clinically not relevant, are not permitted [example {e.g.}: PR, QRS, QT, QTcF] should be within normal range, no conduction abnormalities etcetera [etc.])
• All values for biochemistry and hematology tests of blood and urine within the normal range or showing no clinically relevant deviation as judged by the Investigator

Exclusion Criteria

• Supplementary tests results out of the values considered as normal, unless considered clinically irrelevant
• Research participants who are submitted to surgery before the beginning of the study will be carefully evaluated by the doctor regarding the enrollment in the study complying to an exclusion period ranging from 4 to 8 weeks
• Positive test for hepatitis B, hepatitis C, or human immunodeficiency virus (HIV) in pre-study tests
• Participants with a history of hypersensitivity/allergy to study drug or excipients, history or presence of asthma or any serious allergy (requiring hospitalization or prolonged systemic treatment), any food allergy or intolerance which in the opinion of the Investigator represents a safety risk (e.g., iodine allergy, etc.)
• Has participated in any experimental trial or has taken any experimental drug within 6 months previous to this study (RDC [resolution of the collegiate board] Resolution 34, dated June 3, 2008)
• Participants that prior to the dosing takes any other medication and had not passed at least seven half-lives of elimination of the drug, in this case, be considered by the Principal Investigator the non-inclusion of the participant in the study. Participants taking medications known to affect thyroid hormone metabolism, e.g., oral contraceptives, hormonal implants, parenteral hormones, anabolic steroids, androgens, etc., or the bioavailability of levothyroxine like proton pump Inhibitors
• Has a history of alcohol abuse or has ingested alcohol 24 hours previous to the hospitalization period

• Minimum Eligible Age: 18 Years
• Maximum Eligible Age: 50 Years
• Eligible Sex: ALL
• Accepts Healthy Volunteers: Yes

Sponsors

Merck Healthcare KGaA, Darmstadt, Germany, an affiliate of Merck KGaA, Darmstadt, Germany

INDUSTRY

Sponsor Role: lead

Responsible Party

Responsibility Role: SPONSOR

Principal Investigators

Medical Responsible

Role: STUDY_DIRECTOR

Merck Healthcare KGaA, Darmstadt, Germany, an affiliate of Merck KGaA, Darmstadt, Germany

Locations

Instituto de Ciências Farmacêuticas de Estudos e Pesquisas

Aparecida de Goiânia, , Brazil

Countries

Brazil

Provided Documents

Document Type: Study Protocol and Statistical Analysis Plan

View Document

Related Links

https://clinicaltrials.emdgroup.com/en/trial-details/?id=MS200125_0014

Trial Awareness and Transparency website

https://www.merckgroup.com/en/company/contact-us/medinfo-contact-map.html

Medical Information Location Map - Med Info Contacts

Other Identifiers

MS200125_0014

Identifier Type: -

Identifier Source: org_study_id