ClinicalTrials.Veeva

Menu

A Drug Interaction Study of GDC-0032 Co-administered With Rifampin or Itraconazole in Healthy Volunteers

Genentech logo

Genentech

Status and phase

Completed
Phase 1

Conditions

Healthy Volunteer

Treatments

Drug: Itraconazole
Drug: GDC-0032
Drug: Rifampin

Study type

Interventional

Funder types

Industry

Identifiers

NCT01814709
GP28617

Details and patient eligibility

About

This open-label, two-arm, drug interaction study will investigate the effect of co-administration of rifampin or itraconazole on the pharmacokinetics of GDC-0032 in healthy volunteers. In Arm A, volunteers will receive GDC-0032 and rifampin; in Arm B, volunteers will receive GDC-0032 and itraconazole. The anticipated time on study treatment is approximately 30 days.

Enrollment

32 patients

Sex

All

Ages

18 to 55 years old

Volunteers

Accepts Healthy Volunteers

Inclusion criteria

  • Female volunteers will be non-pregnant, non-lactating, and either postmenopausal for at least 1 year or surgically sterile
  • Male volunteers will either be sterile, or agree to use adequate methods of contraception
  • Body mass index (BMI) range 18 to 32 kg/m2, inclusive
  • No clinically significant findings from medical history, physical examination, 12-lead ECG, vital signs; and clinical laboratory evaluations
  • Negative hepatitis B virus, hepatitis C virus and negative HIV antibody screens

Exclusion criteria

  • Significant history or clinical manifestation of any significant metabolic, allergic, dermatological, hepatic, renal, hematological, pulmonary, cardiovascular, gastrointestinal, neurological, or psychiatric disorder
  • History of significant hypersensitivity, intolerance, or allergy to any drug compound, food, or other substance
  • History of stomach or intestinal surgery or resection that would alter absorption and/or excretion of orally administered study drugs
  • History of alcoholism or drug addiction within 1 year prior to Check-in
  • History of chronic proton pump inhibitor (PPI) use within 6 months of Check-in, or use of PPIs, H2-receptor antagonists, or antacids within 1 month prior to Check-in and during the entire study
  • Clinically significant history of liver disease, including viral or other hepatitis, current alcohol abuse, or cirrhosis
  • History type 1 or 2 diabetes and/or elevated fasting glucose at baseline
  • Malabsorption syndrome or other condition that would interfere with enteral absorption
  • Use of any tobacco- or nicotine containing- products
  • Participation in any other investigational study drug or biologic agent trial in which receipt of an investigational study drug occurred within 5 half-lives or 30 days, whichever is longer to Check-in and during the entire study duration

Trial design

32 participants in 2 patient groups

Itraconazole Arm
Experimental group
Treatment:
Drug: Itraconazole
Drug: GDC-0032
Rifampin Arm
Experimental group
Treatment:
Drug: GDC-0032
Drug: Rifampin

Trial contacts and locations

1

Loading...

Data sourced from clinicaltrials.gov

Clinical trials

Find clinical trialsTrials by location
© Copyright 2026 Veeva Systems