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A randomised, open label, phase IV comparative study to determine the effects on renal function of continuing treatment with tenofovir versus replacement with abacavir in HIV positive persons - Renal switch study

A randomised, open label, phase IV comparative study to determine the effects on renal function of continuing treatment with tenofovir versus replacement with abacavir in HIV positive persons - Renal switch study

Status
Active, not recruiting
Phases
Phase 4
Study type
Interventional
Source
EU CTR
Registry ID
EUCTR2006-006174-19-GB
Enrollment
30
Registered
2006-11-22
Start date
2006-12-12
Completion date
Unknown
Last updated
2019-11-25

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

HIV

Interventions

Trade Name: Ziagen Product Name: Ziagen Product Code: Not appllicable Pharmaceutical Form: Film-coated tablet Other descriptive name: Ab

Sponsors

St Stephens AIDS Trust
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. The ability to understand and sign a written informed consent form, prior to participation in any screening procedures and must be willing to comply with all study requirements 2. Participated in screening protocol SSAT 017 (within the last 6 months) 3. Stable on tenofovir [tenofovir 300mg (Viread®) or Tenofovir/lamivudine 300/200mg Truvada®)] for at least 6 months 4. Documented HIV-1 RNA of less that 50 copies/ml (within the last 3 months) 5. At least 18 years of age 6. Abnormal renal function (MDR GFR 50-90ml/min/1.73m², serum cystatin C> 1.5 X upper limit of normal range) 7. Negative HLA B5701 test at least two weeks prior to the baseline visit Are the trial subjects under 18? no Number of subjects for this age range: F.1.2 Adults (18-64 years) yes F.1.2.1 Number of subjects for this age range F.1.3 Elderly (>=65 years) no F.1.3.1 Number of subjects for this age range

Exclusion criteria

Exclusion criteria: 1. Patients currently taking or who have taken any nephrotoxic drugs within th elast 3 months: e.g. Adefovir, cidofovir, aminoglycosides, metronidazole, amphoteracin, foscarnet, IV pentamadine 2. Requirement to commence any new renal toxic drugs 3. Pregnant or lactating women

Design outcomes

Primary

MeasureTime frame
Main Objective: To determine any differences in renal function in patients who continue treatment with tenofovir versus those whose tenofovir is replaced with abacavir;Secondary Objective: To determine any differences between abacavir and tenofovir containing regimens in terms of other renal markers and bone markers;Primary end point(s): GFR by modified diabetic renal diet (MDRD) calculation

Countries

United Kingdom

Outcome results

None listed

Source: EU CTR (via WHO ICTRP) · Data processed: Feb 4, 2026