Safety and Pharmacokinetics of Sustained-release Depot Tacrolimus: A First-in-human Study

Completed · Early Phase 1

Conditions studied: Organ Transplant Rejection, Psoriasis

In brief

This first-in-human study is designed to assess the safety and pharmacokinetic (PK) profile of sustained-release (SR) depot tacrolimus, which will be administered as a single dose of 0.1 mg/kg by subcutaneous (SC) injection in healthy subjects.

Key facts

Study ID

NCT03626714

Run by

Auritec Pharmaceuticals

People needed

8

Starts

2018-10-16

Expected to finish

2019-01-05

Last updated by the study team

2019-08-13

Who can join

Age: 18 and older, up to 45. Sex: any. Healthy volunteers: accepted.

You may qualify if…

• Subjects must be able to understand and provide informed consent. A signed informed consent form must be provided before any study assessments are done;
• Males or females, between 18 and 45 years of age, inclusive;
• Body mass index must be within the range 18.5 to 32.0 kg/m2, inclusive;
• Must be in good health, as determined by no clinically significant findings from medical history, vital signs, and 12-lead electrocardiogram (ECG), inclusive of documented absence of QT prolongation;
• Clinical laboratory evaluations (including clinical chemistry panel [fasted at least 10 hours], complete blood count [CBC], and urinalysis [UA]) must be within the reference range for the test laboratory, unless deemed not clinically significant by the Investigator;
• Must be negative for autoimmune disorders in the past 3 months and at Screening - participant's medical history will be used for this evaluation;
• Must not use any immunosuppressant calcineurin inhibitor product other than SR Injectable tacrolimus throughout the dosing period and until after the final visit;
• Must agree to blood draws throughout the course of the study and venous access sufficient to allow for blood sampling as per the protocol;
• Must be negative for selected drugs of abuse at Screening and at Check-in (Day -1);
• Must have a negative hepatitis panel (including hepatitis B surface antigen [HBsAg] and hepatitis C virus antibody [HCV]) and negative human immunodeficiency virus [HIV] antibody screens;
• Females will be nonpregnant, nonlactating, and either postmenopausal, defined as amenorrhea for at least 1 year and follicle-stimulating hormone levels of 40 mIU/mL or higher; surgically sterile (eg, tubal ligation, hysterectomy, oophorectomy) for at least 90 days prior to Screening; or agree to use, from the time of signing the informed consent or 10 days prior to Check-in on Day -1 of the Inpatient Period until 30 days after Study Discharge, one of the following forms of contraception: nonhormonal intrauterine device (IUD) with spermicide; female condom with spermicide; contraceptive sponge with spermicide; diaphragm with spermicide; cervical cap with spermicide; male sexual partner who agrees to use a male condom with spermicide; or sterile sexual partner; alternatively, women must agree to maintain abstinence (must agree to use a double barrier method if they become sexually active during the study. For all females of childbearing potential, the pregnancy test result must be negative at Screening and Check-in on Day -1 of the Inpatient Period (see Appendix 1). Women must also agree not to douche throughout the dosing period and until after the final visit;
• Males will either be sterile or agree to use, from Check-in on Day -1 of the Inpatient Period until 90 days following Study Discharge, one of the following approved methods of contraception: male condom with spermicide; sterile sexual partner; or use by female sexual partner of an IUD with spermicide; a female condom with spermicide; a contraceptive sponge with spermicide; an intravaginal system (eg, NuvaRing®); a diaphragm with spermicide; a cervical cap with spermicide; or oral, implantable, transdermal, or injectable contraceptives. Subjects will refrain from sperm donation from Check-in on Day -1 of the Inpatient Period until 90 days following Study Discharge.

You may not qualify if…

• Inability or unwillingness of a participant to give written informed consent or comply with study protocol;
• Prisoners or patients who are compulsorily detained (involuntarily incarcerated) for treatment of either a psychiatric or physical (eg, infectious disease) illness must not be enrolled into this trial;
• Presence of an uncontrolled, unstable clinically significant medical condition that in the opinion of the Investigator may increase the risk to the subject or may interfere with the interpretation of safety and PK evaluations, or could impair the subject's ability to complete the trial, or could impair the decisional capacity of the subject;
• Presence of clinically significant vital signs or a physical examination finding that, in the opinion of the Investigator, could increase the risk to the subject or may potentially interfere with the ability to evaluate safety and tolerability in the trial;
• History of tacrolimus use, or hypersensitivity and/or adverse reaction to calcineurin inhibitor drugs;
• History of toxic shock syndrome;
• Currently receiving chemotherapy or immunosuppressive agents;
• Use of investigative drugs within 30 days or 5 half-lives of study participation;
• Currently using sirolimus;
• Currently using live vaccines;
• Currently on concomitant substrates and/or inhibitors of CYP3A4;
• Requires the use of any concomitant medication, except for treatment of an adverse event (AE) during the study;
• Any abnormality on clinical laboratory tests, or ECG finding that is considered to be clinically significant by the Investigator.
• Known or suspected (nonfebrile) seizure disorder;
• Use of any other depot medications within the last three months.
• Unwilling to commit to avoid eating grapefruit or drinking grapefruit juice during the first 30 days of this exploratory study.
• Grade ≥ 1 finding as described in the Toxicity Grading Scale for Healthy Adult and Adolescent Volunteers Enrolled in Preventive Vaccine Clinical Trials

Where it is running

• Worldwide Clinical Trials — San Antonio, Texas, United States

Full record on ClinicalTrials.gov

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