- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT00076791
Safety of Tenofovir Disoproxil Fumarate (TDF) and Emtricitabine/TDF in HIV Infected Pregnant Women and Their Infants
A Phase I Study of the Safety, Tolerance, and Pharmacokinetics of Tenofovir Disoproxil Fumarate (TDF) and the Combination of TDF Plus Emtricitabine in HIV-1 Infected Pregnant Women and Their Infants
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
The majority of perinatally infected infants are infected during the labor and delivery process, but recent studies suggest that additional factors, such as postexposure prophylaxis, are likely to be involved in the prevention of MTCT of HIV. It is possible that antiretroviral dosing only during labor and short-term dosing to newly born infants would be sufficiently effective to prevent MTCT of HIV. TDF is a nucleoside reverse transcriptase inhibitor that has demonstrated significant effectiveness in preventing MTCT of simian immunodeficiency virus (SIV) in a primate model of HIV. FTC/TDF is a combination of two NRTIs being studied because this combination has the potential to prevent MTCT, while protecting the mother from developing resistance that may develop with single drug therapy. This study will evaluate the safety, tolerance, and pharmacokinetics (PK) of single doses of TDF and FTC/TDF in both HIV infected pregnant women and their newborn infants.
Cohort 1 is now closed. Each participant in Cohort 1 received a single 600 mg oral dose of TDF at the start of active labor or 4 hours prior to C-section, with concurrent administration of standard intravenous zidovudine (ZDV) prophylaxis and/or other antiretrovirals prescribed by her physician. The infants from Cohort 1 received only the standard 6 weeks of oral ZDV prophylaxis postpartum. PK blood samples were taken from mothers at predose and 1, 2, 4, 8, 12, and 24 hours postdose and at the time of delivery; PK blood samples were taken from infants at 12, 24, and 36 hours after birth.
Pregnant women with HIV infection entering this study will be assigned to Cohort 2, as all infants in Cohort 1 have completed the 6 to 8 week study visit and all Cohort 1 data have been reviewed. Mothers in Cohort 2 will receive a single dose of 900 mg of TDF combined with 600 mg emtricitabine, along with standard ZDV prophylaxis and/or other antiretrovirals prescribed by her physician. Infants will receive a single dose of TDF at 4 mg/kg combined with 3 mg/kg emtricitabine as soon as possible after delivery and within 6 hours of age as well as the standard 6 weeks of oral ZDV prophylaxis after birth. Blood samples from mothers and infants will be taken as for Cohort 1.
Mothers will be followed for 12 weeks postpartum or for 2 years after giving birth if viral resistance to TDF or FTC/TDF is demonstrated at Weeks 1, 6, or 12. In addition to the PK studies, blood collection will occur around the time of delivery, at screening, study entry, at delivery, and after delivery at various times up to Week 12. Physical exams will be done at screening, study entry, at delivery, and after delivery at various times up to Week 8. Infants will be followed until age 2. Blood will be collected and physical exams will be done at birth and at various times up to Week 96. Mothers are encouraged to coenroll in PACTG P1025, Pharmacokinetic Study of Anti-HIV Drugs During Pregnancy.
Study Type
Enrollment (Actual)
Phase
- Phase 1
Contacts and Locations
Study Locations
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San Juan, Puerto Rico
- San Juan City Hosp. PR NICHD CRS
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District of Columbia
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Washington, District of Columbia, United States, 20010
- Children's National Med. Ctr. Washington DC NICHD CRS
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Washington, District of Columbia, United States, 20010
- Washington Hosp. Ctr. NICHD CRS
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Florida
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Miami, Florida, United States, 33136
- Univ. of Miami Ped. Perinatal HIV/AIDS CRS
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Illinois
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Chicago, Illinois, United States, 60608
- Mt. Sinai Hosp. Med. Ctr. - Chicago, Womens & Childrens HIV Program
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Michigan
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Detroit, Michigan, United States, 48201
- Children's Hospital of Michigan NICHD CRS
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New Jersey
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Newark, New Jersey, United States, 07101-1709
- NJ Med. School CRS
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New York
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Bronx, New York, United States, 10457
- Bronx-Lebanon Hosp. IMPAACT CRS
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New York, New York, United States, 10016
- Nyu Ny Nichd Crs
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Pennsylvania
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Philadelphia, Pennsylvania, United States, 19102-1192
- Hahnemann Univ. Hosp.
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Tennessee
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Memphis, Tennessee, United States
- Regional Med. Ctr. at Memphis
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Memphis, Tennessee, United States
- St. Jude/UTHSC CRS
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria for Mothers:
- HIV infected
- 34 weeks or more (third trimester) into pregnancy at study screening
- Have access to a participating AIDS clinical trial unit (ACTU) and are willing to be followed at location for the duration of the study
Exclusion Criteria for Mothers:
- Prior treatment with TDF, including coformulated drugs that contain TDF, during current pregnancy
- Active opportunistic infection and/or serious bacterial infection at time of study entry
- Certain abnormal laboratory values at study screening
- Chronic malabsorption or chronic diarrhea
- Certain medical or obstetrical complications during the current pregnancy
- Fetal abnormalities as measured by ultrasound screening performed at 18 weeks into pregnancy or later
- Intend to breastfeed
- Current alcohol abuse or use of illicit substances
- Participation in any other therapeutic or vaccine perinatal treatment trial during the current pregnancy, unless given permission by the protocol chairs
- Require certain medications
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Prevention
- Allocation: Non-Randomized
- Interventional Model: Parallel Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Active Comparator: 1
Each participant in Cohort 1 received a single 600 mg oral dose of TDF at the start of active labor or 4 hours prior to C-section, with concurrent administration of standard intravenous zidovudine (ZDV) prophylaxis and/or other antiretrovirals prescribed by her physician.
The infants from Cohort 1 received only the standard 6 weeks of oral ZDV prophylaxis postpartum.
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900 mg of TDF combined with 600 mg emtricitabine
600 mg oral dose of TDF
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Active Comparator: 2
Mothers in Cohort 2 will receive a single dose of 900 mg of TDF combined with 600 mg emtricitabine, along with standard ZDV prophylaxis and/or other antiretrovirals prescribed by her physician.
Infants will receive a single dose of TDF at 4 mg/kg combined with 3 mg/kg emtricitabine as soon as possible after delivery and within 6 hours of age as well as the standard 6 weeks of oral ZDV prophylaxis after birth.
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900 mg of TDF combined with 600 mg emtricitabine
600 mg oral dose of TDF
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
Adverse experiences with a severity of Grade 3 or 4 and adverse pregnancy outcomes that cannot be directly attributed to a cause besides study treatment
Time Frame: Throughout study
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Throughout study
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Secondary Outcome Measures
Outcome Measure |
Time Frame |
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Maternal viral load
Time Frame: during active labor and 24 to 48 hours, 7 days, 6 to 8 weeks, and 12 weeks postpartum
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during active labor and 24 to 48 hours, 7 days, 6 to 8 weeks, and 12 weeks postpartum
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viral resistance to emtricitabine/tenofovir disoproxil fumarate using bulk sequencing
Time Frame: at Weeks 1, 6, and 12 postpartum
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at Weeks 1, 6, and 12 postpartum
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infant HIV DNA PCR
Time Frame: at 24 to 48 hours, 6 to 8 weeks, 4 months, and 6 months of life
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at 24 to 48 hours, 6 to 8 weeks, 4 months, and 6 months of life
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Collaborators and Investigators
Collaborators
Investigators
- Study Chair: Patricia M. Flynn, MD, Department of Infectious Disease, St. Jude's Children's Research Hospital
- Study Chair: Arlene D. Bardeguez, MD, MPH, FACOG, Obstetrics, Gynecology, and Women's Health, University of Medicine and Dentistry of New Jersey
Publications and helpful links
General Publications
- Abrams EJ. Prevention of mother-to-child transmission of HIV--successes, controversies and critical questions. AIDS Rev. 2004 Jul-Sep;6(3):131-43.
- Antoniou T, Park-Wyllie LY, Tseng AL. Tenofovir: a nucleotide analog for the management of human immunodeficiency virus infection. Pharmacotherapy. 2003 Jan;23(1):29-43. doi: 10.1592/phco.23.1.29.31915.
- Kourtis AP, Duerr A. Prevention of perinatal HIV transmission: a review of novel strategies. Expert Opin Investig Drugs. 2003 Sep;12(9):1535-44. doi: 10.1517/13543784.12.9.1535.
- Moodley J, Moodley D. Management of human immunodeficiency virus infection in pregnancy. Best Pract Res Clin Obstet Gynaecol. 2005 Apr;19(2):169-83. doi: 10.1016/j.bpobgyn.2004.10.007. Epub 2004 Dec 15.
- Thorne C, Newell ML. The safety of antiretroviral drugs in pregnancy. Expert Opin Drug Saf. 2005 Mar;4(2):323-35. doi: 10.1517/14740338.4.2.323.
Study record dates
Study Major Dates
Study Start
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
- RNA Virus Infections
- Virus Diseases
- Infections
- Blood-Borne Infections
- Communicable Diseases
- Sexually Transmitted Diseases, Viral
- Sexually Transmitted Diseases
- Lentivirus Infections
- Retroviridae Infections
- Immunologic Deficiency Syndromes
- Immune System Diseases
- HIV Infections
- Molecular Mechanisms of Pharmacological Action
- Anti-Infective Agents
- Antiviral Agents
- Reverse Transcriptase Inhibitors
- Nucleic Acid Synthesis Inhibitors
- Enzyme Inhibitors
- Anti-HIV Agents
- Anti-Retroviral Agents
- Tenofovir
- Emtricitabine
- Emtricitabine, Tenofovir Disoproxil Fumarate Drug Combination
Other Study ID Numbers
- P394
- 10034 (Registry Identifier: DAIDS ES)
- PACTG 394
- IMPAACT 394
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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