HIV InfectionsPhase 1NCT00000649
An Open-Label, Staggered Rising Dose Cohort Study Assessing the Pharmacokinetics, Safety, and Tolerance of BI-RG-587 in Combination With Zidovudine in Patients With HIV Infection (CD4+ Cell Count < 400/mm3)
A Phase 1 study testing Nevirapine and Zidovudine in people with HIV Infections, run by Boehringer Ingelheim at 3 sites in United States.
Trial summary
To assess the safety and tolerance of multiple oral doses of nevirapine in combination with zidovudine (AZT); to get information on the pharmacokinetics (blood levels) and dose proportionality of nevirapine/AZT with multiple dosing; to characterize the pattern of virological activity in vivo (in humans) of nevirapine… Read more about this study
- Who is it for?
- Ages 18 years and older
- Conditions the study is for
- HIV Infections
- What is being tested?
- Nevirapine and Zidovudine
- How many people
- 30 participants
- Where
- 3 sitesUnited States
- Study dates
- Start not givento not given
- Phase
- Phase 1
- 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 18 years and older
- All sexes
- No healthy volunteers
- Adult, Older adult
Who may be able to join
- Concurrent Medication: Included:
- Pneumocystis carinii pneumonia prophylaxis (other than sulfamethoxazole alone or in combination with other medications).
- Antifungal prophylaxis with oral fluconazole or ketoconazole.
- Antiviral prophylaxis with a maximum of 1 g/day oral acyclovir.
- Patients must have the following:
- HIV infection.
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- Ability to voluntarily provide written informed consent prior to treatment.
- Willing and able to follow protocol requirements.
- Patients with nonvisceral Kaposi's sarcoma or with visceral Kaposi's sarcoma not requiring chemotherapy and/or irradiation may be included.
Who cannot join
- Co-existing Condition:
- Patients with the following conditions or symptoms are excluded:
- Radiographic evidence of chronic pulmonary disease.
- Cytomegalovirus disease.
- Toxoplasmosis encephalitis requiring suppressive therapy.
- Mycobacteriosis requiring maintenance chemotherapy.
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- Visceral Kaposi's sarcoma requiring chemotherapy and/or irradiation.
- Concurrent Medication:
- Excluded:
- Glucocorticoids and steroid hormones (including oral contraceptives).
- Dicumarol, warfarin, and other anticoagulant medications.
- Nitroglycerin.
- Digitoxin.
- Valproic acid.
- Tolbutamide.
- Doxycycline.
- Chloramphenicol.
- Isoniazid.
- Antiepileptics (Phenobarbital and other barbiturates).
- Sulfonamides.
- Excluded for up to 4 hours before and 4 hours after administration of drug 2:
- Antacids.
- Cimetidine.
- Carafate.
- Cholestyramine resin.
- Alcohol and alcohol-containing substances.
- Benzodiazepines (diazepam, triazolam).
- Patients with the following are excluded:
- History of clinically important disease (defined as a disease that, in the opinion of the investigator, may either put the patient at risk because of participation in the study or a disease that may influence the results of the study or the patient's ability to participate in the study) other than HIV infection.
- Malignancy other than Kaposi's sarcoma or limited cutaneous basal cell carcinoma.
- Prior Medication:
- Excluded within 4 weeks prior to administration of study drug 2:
- Antiretroviral (other than zidovudine (AZT)), immunosuppressive, or cytotoxic drugs.
- Glucocorticoids and steroid hormones (including oral contraceptives).
- Dicumarol, warfarin, and other anticoagulant medications.
- Nitroglycerin.
- Digitoxin.
- Valproic acid.
- Tolbutamide.
- Doxycycline.
- Chloramphenicol Isoniazid.
- Antiepileptics (Phenobarbital and other barbiturates).
- Sulfonamides.
Trial locations and contacts
3 sites in 1 country.
United States3 sites
Cooper Green Hosp
Birmingham, Alabama, 35233
Univ of California / San Diego Treatment Ctr
San Diego, California, 921036325
Univ of Massachusetts
Worcester, Massachusetts, 01655
About this study
To assess the safety and tolerance of multiple oral doses of nevirapine in combination with zidovudine (AZT); to get information on the pharmacokinetics (blood levels) and dose proportionality of nevirapine/AZT with multiple dosing; to characterize the pattern of virological activity in vivo (in humans) of nevirapine in combination with AZT; to determine whether development of resistance to either drug is slowed by the use of the combination.
Drugs now used in treatment for patients with AIDS show some toxicity which limits their usefulness. In addition, with long-term treatment with AZT, there is evidence of virus resistance to the drug. Compounds that are more effective and less toxic than those in present use would be beneficial, especially if they are active against AZT-resistant viruses. Nevirapine has shown in vitro (test tube studies) activity in inhibiting HIV replication (reproduction). In vitro studies have shown that nevirapine and AZT work together to inhibit HIV replication.
Read the detailed description
Drugs now used in treatment for patients with AIDS show some toxicity which limits their usefulness. In addition, with long-term treatment with AZT, there is evidence of virus resistance to the drug. Compounds that are more effective and less toxic than those in present use would be beneficial, especially if they are active against AZT-resistant viruses. Nevirapine has shown in vitro (test tube studies) activity in inhibiting HIV replication (reproduction). In vitro studies have shown that nevirapine and AZT work together to inhibit HIV replication.
Groups of 10 patients are studied at each of three dose levels. Five patients at each dose level have less than 3 months of prior AZT treatment; five patients at each dose level have at least 12 months of previous AZT treatment and tolerated an AZT regimen of 600 mg/day (200 mg every 8 hours). At least 24 patient-weeks of treatment with the combination treatment must be completed without requiring dose interruption before the next dosage level can be started. All 30 patients must be enrolled at a lower dosage level before a higher dosage level is started. Patients begin treatment with AZT. 14 days later, patients begin treatment with nevirapine in addition to the AZT. After 24 weeks, patients have the option to continue long-term treatment with either nevirapine or standard treatment.
- Conditions
- HIV Infections
- Being tested
- Nevirapine, Zidovudine
- Keywords
- Drug Therapy, Combination, Acquired Immunodeficiency Syndrome, AIDS-Related Complex, Zidovudine, Nevirapine
- Medical subject headings
- HIV Infections, Acquired Immunodeficiency Syndrome, AIDS-Related Complex
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
NevirapineDrug
ZidovudineDrug
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted31 Aug 2001 (estimated)
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Publications (8)Papers the sponsor has linked to this study.
- Other trials for HIV InfectionsStudies of the same condition, open and under way.
- More trials run by Boehringer IngelheimThe 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 1
- Primary purpose
- Treatment
- Enrolment
- 30 participants
Sponsor and investigators
- Lead sponsor
- Boehringer Ingelheim
- Sponsor type
- Industry (pharma, biotech, devices)
- Investigators
- Sarah Cheeseman, Study chair
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT00000649
- Sponsor's protocol ID
- ACTG 168
- Other IDs
- 00834
- Status last verified
- Jun 1993
- First submitted
- 2 Nov 1999
- Last updated
- 30 Jul 2008
- Results posted
- No
Publications
Cheeseman SH. Nevirapine (NVP) alone and in combination with zidovudine (ZDV): safety and activity. The ACTG 164/168 Study Team. Int Conf AIDS. 1992 Jul 19-24;8(1):Mo15 (abstract no MoB 0053)
Cheeseman SH, Havlir D, McLaughlin MM, Greenough TC, Sullivan JL, Hall D, Hattox SE, Spector SA, Stein DS, Myers M, et al. Phase I/II evaluation of nevirapine alone and in combination with zidovudine for infection with human immunodeficiency virus. J Acquir Immune Defic Syndr Hum Retrovirol. 1995 Feb 1;8(2):141-51.
PubMed 7530585Murphy RL, Montaner J. Nevirapine: A review of its development, pharmacological profile and potential for clinical use. Exp Opin Invest Drugs. 1996;5(9): 1183-1199
Havlir D. Antiviral activity of nevirapine at 400 mg in p24 antigen positive adults. ACTG 164 and 168 Study Teams. Int Conf AIDS. 1993 Jun 6-11;9(1):69 (abstract no WS-B26-1)
Greenough TC. Quantitative virology: the experience during the nevirapine phase I/II trials. ACTG 164/168 Study Team. Int Conf AIDS. 1992 Jul 19-24;8(2):B192 (abstract no PoB 3610)
Cheeseman SH, Murphy RL, Saag MS, Havlir D. Safety of high dose nevirapine (NVP) after 200 mg/d lead-in. ACTG 164/168 Study Team. Int Conf AIDS. 1993 Jun 6-11;9(1):487 (abstract no PO-B26-2109)
Hattox S. Pharmacokinetics of nevirapine alone and in combination with zidovudine. The ACTG 164/168 Study Team. Int Conf AIDS. 1992 Jul 19-24;8(2):B185 (abstract no PoB 3591)
Richman DD. Loss of nevirapine activity associated with the emergence of resistance in clinical trials. The ACTG 164/168 Study Team. Int Conf AIDS. 1992 Jul 19-24;8(2):B183 (abstract no PoB 3576)
Study at a glance
From the registry record, last updated by the sponsor on 30 Jul 2008. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- An Open-Label, Staggered Rising Dose Cohort Study Assessing the Pharmacokinetics, Safety, and Tolerance of BI-RG-587 in Combination With Zidovudine in Patients With HIV Infection (CD4+ Cell Count < 400/mm3)
- ClinicalTrials.gov ID
- NCT00000649
- Acronym / sponsor ID
- ACTG 168
- Conditions
- HIV Infections
- Keywords
- Drug Therapy, Combination, Acquired Immunodeficiency Syndrome, AIDS-Related Complex, Zidovudine, Nevirapine
- Phase
- Phase 1
- Study type
- Interventional
- Recruitment status
- Completed
- Enrolment
- 30 participants
- Lead sponsor
- Boehringer IngelheimIndustry (pharma, biotech, devices)
- First posted
- 31 Aug 2001 (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.
To assess the safety and tolerance of multiple oral doses of nevirapine in combination with zidovudine (AZT); to get information on the pharmacokinetics (blood levels) and dose proportionality of nevirapine/AZT with multiple dosing; to characterize the pattern of virological activity in vivo (in humans) of nevirapine in combination with AZT; to determine whether development of resistance to either drug is slowed by the use of the combination.
Drugs now used in treatment for patients with AIDS show some toxicity which limits their usefulness. In addition, with long-term treatment with AZT, there is evidence of virus resistance to the drug. Compounds that are more effective and less toxic than those in present use would be beneficial, especially if they are active against AZT-resistant viruses. Nevirapine has shown in vitro (test tube studies) activity in inhibiting HIV replication (reproduction). In vitro studies have shown that nevirapine and AZT work together to inhibit HIV replication.
Detailed description
Drugs now used in treatment for patients with AIDS show some toxicity which limits their usefulness. In addition, with long-term treatment with AZT, there is evidence of virus resistance to the drug. Compounds that are more effective and less toxic than those in present use would be beneficial, especially if they are active against AZT-resistant viruses. Nevirapine has shown in vitro (test tube studies) activity in inhibiting HIV replication (reproduction). In vitro studies have shown that nevirapine and AZT work together to inhibit HIV replication.
Groups of 10 patients are studied at each of three dose levels. Five patients at each dose level have less than 3 months of prior AZT treatment; five patients at each dose level have at least 12 months of previous AZT treatment and tolerated an AZT regimen of 600 mg/day (200 mg every 8 hours). At least 24 patient-weeks of treatment with the combination treatment must be completed without requiring dose interruption before the next dosage level can be started. All 30 patients must be enrolled at a lower dosage level before a higher dosage level is started. Patients begin treatment with AZT. 14 days later, patients begin treatment with nevirapine in addition to the AZT. After 24 weeks, patients have the option to continue long-term treatment with either nevirapine or standard treatment.
Study design
- Primary purpose
- Treatment
Who may qualify
- Ages
- 18 years and older
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Adult, Older adult
Key inclusion criteria (9 listed)
- Pneumocystis carinii pneumonia prophylaxis (other than sulfamethoxazole alone or in combination with other medications).
- Antifungal prophylaxis with oral fluconazole or ketoconazole.
- Antiviral prophylaxis with a maximum of 1 g/day oral acyclovir.
- HIV infection.
- Ability to voluntarily provide written informed consent prior to treatment.
Key exclusion criteria (43 listed)
- Radiographic evidence of chronic pulmonary disease.
- Cytomegalovirus disease.
- Toxoplasmosis encephalitis requiring suppressive therapy.
- Mycobacteriosis requiring maintenance chemotherapy.
- Visceral Kaposi's sarcoma requiring chemotherapy and/or irradiation.
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 |
|---|---|---|
| Nevirapine | Drug | – |
| Zidovudine | 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 30 Jul 2008.
- BackgroundCheeseman SH. Nevirapine (NVP) alone and in combination with zidovudine (ZDV): safety and activity. The ACTG 164/168 Study Team. Int Conf AIDS. 1992 Jul 19-24;8(1):Mo15 (abstract no MoB 0053)
- Background: PubMed 7530585Cheeseman SH, Havlir D, McLaughlin MM, Greenough TC, Sullivan JL, Hall D, Hattox SE, Spector SA, Stein DS, Myers M, et al. Phase I/II evaluation of nevirapine alone and in combination with zidovudine for infection with human immunodeficiency virus. J Acquir Immune Defic Syndr Hum Retrovirol. 1995 Feb 1;8(2):141-51.
- BackgroundMurphy RL, Montaner J. Nevirapine: A review of its development, pharmacological profile and potential for clinical use. Exp Opin Invest Drugs. 1996;5(9): 1183-1199
- BackgroundHavlir D. Antiviral activity of nevirapine at 400 mg in p24 antigen positive adults. ACTG 164 and 168 Study Teams. Int Conf AIDS. 1993 Jun 6-11;9(1):69 (abstract no WS-B26-1)
- BackgroundGreenough TC. Quantitative virology: the experience during the nevirapine phase I/II trials. ACTG 164/168 Study Team. Int Conf AIDS. 1992 Jul 19-24;8(2):B192 (abstract no PoB 3610)
- BackgroundCheeseman SH, Murphy RL, Saag MS, Havlir D. Safety of high dose nevirapine (NVP) after 200 mg/d lead-in. ACTG 164/168 Study Team. Int Conf AIDS. 1993 Jun 6-11;9(1):487 (abstract no PO-B26-2109)
- BackgroundHattox S. Pharmacokinetics of nevirapine alone and in combination with zidovudine. The ACTG 164/168 Study Team. Int Conf AIDS. 1992 Jul 19-24;8(2):B185 (abstract no PoB 3591)
- BackgroundRichman DD. Loss of nevirapine activity associated with the emergence of resistance in clinical trials. The ACTG 164/168 Study Team. Int Conf AIDS. 1992 Jul 19-24;8(2):B183 (abstract no PoB 3576)
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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.
Sarah Cheeseman study chair
3 sites in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A Phase 1 study testing Nevirapine and Zidovudine in people with HIV Infections, run by Boehringer Ingelheim at 3 sites 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 9 inclusion and 43 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 30 Jul 2008. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 3 sites 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 1 studies test a treatment in a small group of people for the first time or in a new way, mainly to check safety and find the right dose.
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 NCT00000649, which also lists 8 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 30 Jul 2008.