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Study to Evaluate the Safety, Tolerability, and Pharmacokinetics of PLX5622 in Healthy Adult Volunteers

A Phase 1 First in Human Double-Blind, Placebo-Controlled, Randomized, Single Ascending Dose Study to Evaluate the Safety, Tolerability, and Pharmacokinetics of PLX5622 in Healthy Adult Volunteers

Status
Completed
Phases
Phase 1
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT01282684
Enrollment
32
Registered
2011-01-25
Start date
2011-01-31
Completion date
2011-04-30
Last updated
2015-03-30

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Healthy

Keywords

Safety, Tolerability, Pharmacokinetics, PLX5622

Brief summary

The purpose of this study is to study the safety and tolerability of a single dose of PLX5622 in healthy, adult human volunteers. This will be the first time PLX5622 has been taken by humans.

Interventions

PLX5622 drug substance is an achiral,small molecule Fms kinase inhibitor. The drug product is available in capsule form, to be taken orally, in dosage strengths of 25 mg and 100 mg with matching placebo

DRUGPlacebo

Matching placebo for PLX5622.

Sponsors

Plexxikon
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
TRIPLE (Subject, Investigator, Outcomes Assessor)

Eligibility

Sex/Gender
ALL
Age
18 Years to 65 Years
Healthy volunteers
Yes

Inclusion criteria

* Healthy adult male and female subjects, 18-65 years of age inclusive * BMI 18 to 32 kg/m2 inclusive * Female subjects must be surgically sterile or postmenopausal for the past year and have a negative urine pregnancy test. Male subjects and their partners of childbearing potential must be willing to use two methods of contraception, one of which must be a barrier method (e.g. condom) for up to 90 days after the last study drug administration. * Willing and able to remain in the clinical research unit as required by the protocol * Willing and able to provide written informed consent prior to any study related procedures and to comply with all study requirements

Exclusion criteria

* History or presence of significant cardiovascular, pulmonary, hepatic, renal, hematologic, gastrointestinal, endocrine, immunologic, dermatologic, neurologic, or psychiatric disease * History or presence of any disease, medical condition, or surgery, which may have an effect on drug absorption, metabolism, distribution, or excretion of the investigational product * Laboratory test results (including hepatic and renal panels, complete blood count, chemistry panel, and urinalysis) that the investigator believes show clinically relevant significant abnormalities for the normal reference range * Any abnormality in the ECG (including QTc ≥450 msec) that in the opinion of the investigator increases the risk of participating in the study * History or presence of alcoholism or drug abuse within the year prior to dosing * Tobacco use, either current or within 3 months prior to dosing * Use of any prescription medications or herbal remedies within 14 days prior to dosing, or use of over-the-counter medications or vitamins within 7 days prior to dosing, unless approved by the Sponsor * Donation of whole blood within 56 days prior to the study * Plasma donation within 7 days prior to the study * Participation in an investigational device study or receipt of an investigational drug within 4 weeks prior to dosing * Positive urine test for drugs of abuse * Confirmed HIV, hepatitis B, or hepatitis C infection

Design outcomes

Primary

MeasureTime frameDescription
Safety-Number of patients with adverse events7 daysSubjects will take one oral dose of PLX5622 on Day 1. Physical examinations, vital signs, 12-lead electrocardiograms (ECG), adverse events, hematology, serum chemistry, coagulation, and urinalysis will be used to assess safety throughout the Days 1-4 of the study and on the follow up study visit on day 7. Adverse events will be monitored and reviewed for safety issues/abnormal changes in the above mentioned tests.
Tolerability-Number of patients with adverse events7 daysSubjects will take one oral dose of PLX5622 on Day 1. Physical examinations, vital signs, 12-lead electrocardiograms (ECG), adverse events, hematology, serum chemistry, coagulation, and urinalysis will be used to assess safety throughout the Days 1-4 of the study and on the follow up study visit on day 7. Adverse events will be monitored and reviewed for tolerability issues/abnormal changes in the above mentioned tests.

Secondary

MeasureTime frameDescription
Pharmacokinetic profile: Measurement of area under the plasma-concentration-time curve7 daysPharmacokinetic (PK) samples will be collected prior to dosing and at 0.5, 1, 2, 4, 8, 12, 24, 26, 48, 60 and 72 hours following dosing. The pharmacokinetic profile of plasma PLX5622 will be analyzed by measurement of area under the plasma concentration-time curve \[AUC0-t, AUC0-inf, AUC0-24\].
Pharmacokinetic evaulation: Measurement of Peak Concentration7 daysPharmacokinetic (PK) samples will be collected prior to dosing and at 0.5, 1, 2, 4, 8, 12, 24, 26, 48, 60 and 72 hours following dosing. The pharmacokinetic profile of plasma PLX5622 will be analyzed by measurement of peak concentration (Cmax) and time to peak concentration (Tmax).
Pharmacokinetic profile: Measurement of half life and terminal elimination rate constant7 DaysPharmacokinetic (PK) samples will be collected prior to dosing and at 0.5, 1, 2, 4, 8, 12, 24, 26, 48, 60 and 72 hours following dosing. The pharmacokinetic profile of plasma PLX5622 will be analyzed by measurement of half-life (T1/2), and terminal elimination rate constant (Kel).

Countries

United States

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026