HIV InfectionPhase 2NCT00001758
Continued Antiretroviral Therapy With Abacavir, Amprenavir and Efavirenz
A Phase 2 study testing Abacavir, Amprenavir and Efavirenz in people with HIV Infection, run by National Institute of Allergy and Infectious Diseases (NIAID) at 1 site in United States.
Trial summary
This study will continue to treat and collect safety and efficacy data on patients who participated in Glaxo-Wellcome's multi-center study on combination therapy with abacavir, amprenavir and efavirenz (A Phase II Study Evaluating the Safety and Antiviral Activity of Combination Therapy with 1592U89, 141W94 and DMP… Read more about this study
- Who is it for?
- Any age
- Conditions the study is for
- HIV Infection
- What is being tested?
- Abacavir, Amprenavir and Efavirenz
- How many people
- 25 participants
- Where
- 1 siteUnited States
- Study dates
- Nov 1997to Aug 2003
- Phase
- Phase 2
- Are there results?
- None posted in the registry
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages Any age
- All sexes
- No healthy volunteers
- Child, Adult, Older adult
Who may be able to join
- Subjects who were previously enrolled in this protocol when it was a multi-center study and who signed the new informed consent were enrolled. There has been and will be no other new enrollment. Thus, subjects who were not previously enrolled are excluded.
- Subjects are adults infected with HIV-1 who had, prior to study enrollment, a plasma viral load of at least 500 copies/mL despite at least 20 weeks of treatment with a protease inhibitor and without change in protease inhibitor therapy in the 12 weeks prior to enrollment.
Who cannot join
None listed.
Trial locations and contacts
1 site in 1 country.
United States1 site
National Institute of Allergy and Infectious Diseases (NIAID)
Bethesda, Maryland, 20892
About this study
Official title: Continued Salvage Anti-Retroviral Therapy With Abacavir, Amprenavir, and Efavirenz
This study will continue to treat and collect safety and efficacy data on patients who participated in Glaxo-Wellcome's multi-center study on combination therapy with abacavir, amprenavir and efavirenz (A Phase II Study Evaluating the Safety and Antiviral Activity of Combination Therapy with 1592U89, 141W94 and DMP 266 (Sustiva) in HIV-1 Infected Subjects with Detectable [greater than 400 Copies/mL] HIV-1 Plasma RNA Despite Treatment with a Protease Inhibitor-Containing Regimen).
HIV-infected patients 18 years of age and older who participated in the above study at the NIH site may be eligible for the current study. Participants will be followed every 3 months with a general health evaluation and laboratory tests. This is a NIH study, and information will not be provided to Glaxo Wellcome
Read the detailed description
In this open-label, single-arm study, HIV-1 infected patients who had, at study entry, a viral burden of at least 500 copies/mL despite 20 weeks of treatment with a protease inhibitor receive combination therapy with three antiretroviral agents that were investigational at the start of study but have since been approved: abacavir, amprenavir, and efavirenz. At the end of 16 weeks, the addition of other antiretroviral agents to the study regimen was permitted. This was originally a multi-center study, but it has been closed at all other sites. It remains open at the NIH to continue to provide therapy to subjects who have received benefit as determined by a decline in viral load from baseline. Safety and viral load data continue to be collected.
- Conditions
- HIV Infection
- Being tested
- Abacavir, Amprenavir, Efavirenz
- Keywords
- Antiretroviral, HIV-1, 1592U89, 141W94, DMP 266
- Medical subject headings
- HIV Infections
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
AbacavirDrug
AmprenavirDrug
EfavirenzDrug
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted4 Nov 1999 (estimated)
- Study startNov 1997
- Study completionAug 2003
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Publications (3)Papers the sponsor has linked to this study.
- Other trials for HIV InfectionStudies of the same condition, open and under way.
- More trials run by National Institute of Allergy and Infectious Diseases (NIAID)The sponsor's other registered studies.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Interventional
- Phase
- Phase 2
- Primary purpose
- Treatment
- Enrolment
- 25 participants
Sponsor and investigators
- Sponsor type
- US National Institutes of Health
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT00001758
- Sponsor's protocol ID
- 980031
- Other IDs
- 98-I-0031
- Status last verified
- Aug 2003
- First submitted
- 3 Nov 1999
- Last updated
- 4 Mar 2008
- Results posted
- No
Publications
Livington DJ, Pazhanisamy S, Porter DJ, Partaledis JA, Tung RD, Painter GR. Weak binding of VX-478 to human plasma proteins and implications for anti-human immunodeficiency virus therapy. J Infect Dis. 1995 Nov;172(5):1238-45. doi: 10.1093/infdis/172.5.1238.
PubMed 7594659Partaledis JA, Yamaguchi K, Tisdale M, Blair EE, Falcione C, Maschera B, Myers RE, Pazhanisamy S, Futer O, Cullinan AB, et al. In vitro selection and characterization of human immunodeficiency virus type 1 (HIV-1) isolates with reduced sensitivity to hydroxyethylamino sulfonamide inhibitors of HIV-1 aspartyl protease. J Virol. 1995 Sep;69(9):5228-35. doi: 10.1128/JVI.69.9.5228-5235.1995.
PubMed 7636964Tisdale M, Myers RE, Maschera B, Parry NR, Oliver NM, Blair ED. Cross-resistance analysis of human immunodeficiency virus type 1 variants individually selected for resistance to five different protease inhibitors. Antimicrob Agents Chemother. 1995 Aug;39(8):1704-10. doi: 10.1128/AAC.39.8.1704.
PubMed 7486905
Study at a glance
From the registry record, last updated by the sponsor on 4 Mar 2008. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Continued Salvage Anti-Retroviral Therapy With Abacavir, Amprenavir, and Efavirenz
- ClinicalTrials.gov ID
- NCT00001758
- Acronym / sponsor ID
- 980031
- Conditions
- HIV Infection
- Keywords
- Antiretroviral, HIV-1, 1592U89, 141W94, DMP 266
- Phase
- Phase 2
- Study type
- Interventional
- Recruitment status
- Completed
- Enrolment
- 25 participants
- Lead sponsor
- National Institute of Allergy and Infectious Diseases (NIAID)US National Institutes of Health
- Study start
- Nov 1997
- Study completion
- Aug 2003
- First posted
- 4 Nov 1999 (estimated)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
This study will continue to treat and collect safety and efficacy data on patients who participated in Glaxo-Wellcome's multi-center study on combination therapy with abacavir, amprenavir and efavirenz (A Phase II Study Evaluating the Safety and Antiviral Activity of Combination Therapy with 1592U89, 141W94 and DMP 266 (Sustiva) in HIV-1 Infected Subjects with Detectable [greater than 400 Copies/mL] HIV-1 Plasma RNA Despite Treatment with a Protease Inhibitor-Containing Regimen).
HIV-infected patients 18 years of age and older who participated in the above study at the NIH site may be eligible for the current study. Participants will be followed every 3 months with a general health evaluation and laboratory tests. This is a NIH study, and information will not be provided to Glaxo Wellcome
Detailed description
In this open-label, single-arm study, HIV-1 infected patients who had, at study entry, a viral burden of at least 500 copies/mL despite 20 weeks of treatment with a protease inhibitor receive combination therapy with three antiretroviral agents that were investigational at the start of study but have since been approved: abacavir, amprenavir, and efavirenz. At the end of 16 weeks, the addition of other antiretroviral agents to the study regimen was permitted. This was originally a multi-center study, but it has been closed at all other sites. It remains open at the NIH to continue to provide therapy to subjects who have received benefit as determined by a decline in viral load from baseline. Safety and viral load data continue to be collected.
Study design
- Primary purpose
- Treatment
Who may qualify
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Child, Adult, Older adult
Key inclusion criteria (2 listed)
- Subjects who were previously enrolled in this protocol when it was a multi-center study and who signed the new informed consent were enrolled. There has been and will be no other new enrollment. Thus, subjects who were not previously enrolled are excluded.
- Subjects are adults infected with HIV-1 who had, prior to study enrollment, a plasma viral load of at least 500 copies/mL despite at least 20 weeks of treatment with a protease inhibitor and without change in protease inhibitor therapy in the 12 weeks prior to enrollment.
Key exclusion criteria (0 listed)
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| Abacavir | Drug | – |
| Amprenavir | Drug | – |
| Efavirenz | Drug | – |
Primary outcome
Not reported in the source record.
Results and safety
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 4 Mar 2008.
- Background: PubMed 7594659Livington DJ, Pazhanisamy S, Porter DJ, Partaledis JA, Tung RD, Painter GR. Weak binding of VX-478 to human plasma proteins and implications for anti-human immunodeficiency virus therapy. J Infect Dis. 1995 Nov;172(5):1238-45. doi: 10.1093/infdis/172.5.1238.
- Background: PubMed 7636964Partaledis JA, Yamaguchi K, Tisdale M, Blair EE, Falcione C, Maschera B, Myers RE, Pazhanisamy S, Futer O, Cullinan AB, et al. In vitro selection and characterization of human immunodeficiency virus type 1 (HIV-1) isolates with reduced sensitivity to hydroxyethylamino sulfonamide inhibitors of HIV-1 aspartyl protease. J Virol. 1995 Sep;69(9):5228-35. doi: 10.1128/JVI.69.9.5228-5235.1995.
- Background: PubMed 7486905Tisdale M, Myers RE, Maschera B, Parry NR, Oliver NM, Blair ED. Cross-resistance analysis of human immunodeficiency virus type 1 variants individually selected for resistance to five different protease inhibitors. Antimicrob Agents Chemother. 1995 Aug;39(8):1704-10. doi: 10.1128/AAC.39.8.1704.
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
The record lists no contact. Use the official record to reach the sponsor.
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A Phase 2 study testing Abacavir, Amprenavir and Efavirenz in people with HIV Infection, run by National Institute of Allergy and Infectious Diseases (NIAID) at 1 site in United States.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 2 inclusion and 0 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: finished, as of the sponsor's last update on 4 Mar 2008. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 1 site in United States. Whether a site is taking part right now should be confirmed with that site. See every site.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
What does this phase mean?
Phase 2 studies give the treatment to a larger group to see whether it has the intended effect and to keep checking safety.
Not every study follows the same path, and some studies (observational studies, device studies) have no phase.
Are results available for this study?
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
How can a doctor refer a patient or contact the research team?
The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.
Where can I read the original study information?
On the ClinicalTrials.gov record for NCT00001758, which also lists 3 linked publications.
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 4 Mar 2008.