A Relative Bioavailability Study To Evaluate Safety, Tolerability And Pharmacokinetic Comparability Of Pegvisomant 1 X 30 Mg Vs 2 X 15 Mg Subcutaneously Administered In Healthy Subjects

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Pfizer

Status and phase

Completed
Phase 1

Conditions

Healthy Volunteers

Treatments

Drug: 2 x 15 mg/mL pegvisomant
Drug: 1 x 30 mg/mL pegvisomant

Study type

Interventional

Funder types

Industry

Identifiers

NCT01893866
A6291041

Details and patient eligibility

About

The primary purpose of this study is to evaluate pharmacokinetic comparability of 1x30 mg pegvisomant injection administered as a single 1 mL injection versus 2x15 mg/mL pegvisomant administered as two separate 1 mL injections and to characterize the pharmacokinetics of the new 30 mg strength.

Enrollment

17 patients

Sex

All

Ages

18 to 55 years old

Volunteers

Accepts Healthy Volunteers

Inclusion criteria

  • Healthy male and/or female subjects between the ages of 18 and 55 years, inclusive (Healthy is defined as no clinically relevant abnormalities identified by a detailed medical history, full physical examination, including blood pressure and pulse rate measurement, 12 lead ECG and clinical laboratory tests).
  • Body Mass Index (BMI) of 17.5 to 30.5 kg/m2; and a total body weight >45 kg (99 lbs).
  • Evidence of a personally signed and dated informed consent document indicating that the subject (or a legal representative) has been informed of all pertinent aspects of the study.
  • Subjects who are willing and able to comply with scheduled visits, treatment plan, laboratory tests, and other study procedures.

Exclusion criteria

  • Evidence or history of clinically significant hematological, renal, endocrine, pulmonary, gastrointestinal, cardiovascular, hepatic, psychiatric, neurologic, or allergic disease (including drug allergies, but excluding untreated, asymptomatic, seasonal allergies at time of dosing).
  • A positive urine drug screen.
  • History of regular alcohol consumption exceeding 14 drinks/week for females or 21 drinks/week for men (1 drink = 5 ounces (150 mL) of wine or 12 ounces (360 mL) of beer or 1.5 ounces (45 mL) of hard liquor) within 6 months of screening.
  • Use of tobacco- or nicotine-containing products in excess of the equivalent of 5 cigarettes per day.
  • Treatment with an investigational drug within 30 days or 5 half lives preceding the first dose of study medication.
  • 12 lead ECG demonstrating QTc >450 msec at Screening. If QTc exceeds 450 msec, the ECG should be repeated two more times and the average of the three QTc values should be used to determine the subject's eligibility.
  • Pregnant females; breastfeeding females; males and females of childbearing potential who are unwilling or unable to use a highly effective method of nonhormonal contraception as outlined in this protocol for the duration of the study and for at least 28 days after the last dose of investigational product. Male subjects who are unwilling to use effective contraception (eg, barrier or abstinence) during the study.
  • Use of prescription or nonprescription drugs and dietary supplements within 7 days or 5 half lives (whichever is longer) prior to the first dose of study medication. Herbal supplements and hormonal methods of contraception (including oral and transdermal contraceptives, injectable progesterone, progestin subdermal implants, progesterone releasing IUDs, postcoital contraceptive methods) and hormone replacement therapy must be discontinued 28 days prior to the first dose of study medication. Depo Provera must be discontinued at least 6 months prior to the first dose of study medication. As an exception, acetaminophen/paracetamol may be used at doses of 1 g/day. Limited use of non-prescription medications that are not believed to affect subject safety or the overall results of the study may be permitted on a case-by-case basis following approval by the sponsor.
  • Blood donation of approximately 1 pint (500 mL) within 56 days prior to dosing.
  • History of sensitivity to heparin or heparin-induced thrombocytopenia.
  • History of hypersensitivity to pegvisomant or any components of its formulation, and the material of the vial, including latex. Subjects who are allergic to latex should be excluded.
  • Unwilling or unable to comply with the Lifestyle Guidelines described in this protocol.
  • Subjects who are investigational site staff members directly involved in the conduct of the study and their family members, site staff members otherwise supervised by the Investigator, or subjects who are Pfizer employees directly involved in the conduct of the study.
  • Other severe acute or chronic medical or psychiatric condition or laboratory abnormality that may increase the risk associated with study participation or investigational product administration or may interfere with the interpretation of study results and, in the judgment of the investigator, would make the subject inappropriate for entry into this study.

Trial design

Primary purpose

Basic Science

Allocation

Randomized

Interventional model

Crossover Assignment

Masking

None (Open label)

17 participants in 2 patient groups

A
Experimental group
Treatment:
Drug: 1 x 30 mg/mL pegvisomant
B
Experimental group
Treatment:
Drug: 2 x 15 mg/mL pegvisomant

Trial contacts and locations

1

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Data sourced from clinicaltrials.gov

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