- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02412436
PK Study of Rifampicin Interactions With DMPA and Efavirenz in TB (PRIDE-HT)
An Open-Label, Non-Randomized Study of Pharmacokinetic Interactions Among Depot Medroxyprogesterone Acetate (DMPA), Rifampicin (RIF), and Efavirenz (EFV) in Women Co-infected With Human Immunodeficiency Virus (HIV) and Tuberculosis (TB)
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Globally, women comprise 52% of all people living with human immunodeficiency virus (HIV). Decisions about contraception in a population of women infected with both tuberculosis (TB) and HIV are of paramount importance. In the setting of the treatment of active TB, preventing pregnancy becomes even more important because it allows women to attain a level of health that will support healthy future pregnancies. Treatment options for TB may be limited in pregnancy because of concerns about teratogenicity. Millions of women around the world use depot medroxyprogesterone acetate (DMPA, trade name Depo-Provera) for prevention of pregnancy. DMPA is an intermediate-acting progesterone-only injectable contraceptive with a high efficacy rate. Unfortunately, DMPA's safety and effectiveness among women co-infected with TB and HIV is unknown since the interactions of TB treatment, combination ART (cART), and DMPA have not been well studied. The results of this study are likely to be applicable to women receiving RIF-containing TB treatment who are not being treated concurrently with EFV as well, given that addition of EFV to RIF is unlikely to increase induction of metabolizing enzymes significantly beyond the induction achieved with RIF alone.
The study population included premenopausal women, 18 to 46 years of age, who were co-infected with HIV and TB. To be eligible to enroll in the study, participants must have been on EFV 600 mg once daily plus two or more nucleoside reverse transcriptase inhibitors (NRTIs) for at least 28 days prior to study entry with no plans to change therapy for the 12 weeks of the study. Women must have been on the continuation phase of active TB treatment (with a minimum of 12 weeks remaining) taking RIF 8-12 mg/kg orally and INH 4-6 mg/kg orally on a 5-day or more per week schedule (or as directed by national guidelines for TB treatment). At study entry/week 0, DMPA 150 mg was administered intramuscularly as a single dose.
Study duration was 12 weeks. Visits occurred at weeks 0, 2, 4, 6, 8, 10, and 12. The key evaluations included physical examination, clinical assessments, hematology, chemistry, HIV RNA, pregnancy testing, plasma progesterone levels, and plasma DMPA concentration levels.
The sample size was 46 participants, of which 42 had to be evaluable. Participants who missed two successive visits prior to week 8 and those who did not complete the week 10 and week 12 clinic visits with available DMPA concentrations and progesterone levels were not evaluable and replaced in the sample size. The final number of participants enrolled was 62 participants, with only 42 evaluable.
Study Type
Enrollment (Actual)
Phase
- Phase 2
Contacts and Locations
Study Locations
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Gaborone, Botswana
- Gaborone Prevention/Treatment Trials CRS (12701)
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Kisumu, Kenya, 40100
- Kenya Medical Research Institute/Center for Disease Control (KEMRI/CDC) CRS (31460)
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Durban, South Africa, 4013 SF
- Durban Adult HIV CRS (11201)
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Johannesburg, South Africa
- Univ. of Witwatersrand CRS (11101)
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Harare, Zimbabwe
- UZ-Parirenyatwa CRS (30313)
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- HIV-1 infection.
- Current tuberculosis infection, confirmed or probable diagnosis.
- Currently stable on EFV-based cART for at least 28 days with no intention to change the regimen during the 12-week study period.
- Currently receiving RIF and Isoniazid (INH)-based TB therapy on at least 5 days per week schedule after completion of the intensive phase of TB treatment (minimum of 8 weeks of TB treatment) and expected to be on TB treatment for a minimum of 12 weeks after enrollment. [Does not exclude the use of ethambutol on study.]
- Premenopausal female with presumed normal ovarian function based on normal menstrual history and absence of previous ovarian dysfunction diagnosis.
- Last menstrual period (LMP) ≤35 days prior to study entry.
- Negative serum or urine-HCG pregnancy test within 30 days prior to study entry and negative pregnancy test at entry at any network-approved laboratory that operates in accordance with Good Clinical Practices and participates in appropriate external quality assurance programs.
All participants must agree not to participate in a conception process (e.g., active attempt to become pregnant or in vitro fertilization) for the duration of the study. Women of reproductive potential, who are participating in sexual activity that could lead to pregnancy, must agree to use an additional reliable method of contraception while in the study. Acceptable forms of contraceptives include:
- Condoms (male or female) with or without a spermicidal agent
- Diaphragm or cervical cap with spermicide
- Non-hormonal IUD
- Bilateral tubal ligation
- Male partner vasectomy
Laboratory values within 30 days prior to study entry:
- Absolute neutrophil count ≥500 cells/mm^3
- Platelet count ≥50,000 platelets/mm^3
- Hemoglobin ≥8.0 g/dL
- Aspartate transaminase (AST) and alanine aminotransferase (ALT) <5 x upper limit of normal (ULN)
- Creatinine ≤1.5 x ULN
- Total bilirubin ≤2.0 x ULN
- Ability and willingness to provide written informed consent.
Exclusion Criteria:
- Receipt of DMPA or any other injectable contraceptive within 180 days prior to study entry.
- Receipt of other hormonal contraceptives within 30 days prior to study entry.
- Use of any drugs other than RIF and EFV known to: 1) induce CYP3A4 system within 30 days and to 2) inhibit the CYP3A4 system with one week prior to study entry. [Because ethambutol does not induce or inhibit the CYP3A4 system, its use is consistent with the language in the protocol.]
- ≤40 kg in weight.
- Bilateral oophorectomy.
- Less than 30 days postpartum at study entry.
- Hypersensitivity to DMPA, medroxyprogesterone acetate (MPA), or any of the other ingredients in DMPA.
- Any previous breast cancer diagnosis.
- Serious illness requiring systemic treatment and/or hospitalization within 21 days prior to study entry.
- Karnofsky performance score <70 within 14 days prior to study entry.
- Use of any immunosuppressant medication including systemic corticosteroids within 30 days prior to study entry.
- Active drug or alcohol use or dependence that, in the opinion of the site investigator, would interfere with adherence to study requirements.
- History of deep venous thrombosis or pulmonary emboli.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
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Experimental: Arm A: Depot medroxyprogesterone acetate
At study entry/week 0, participants received depot medroxyprogesterone acetate (DMPA) 150 mg administered intramuscularly as a single dose and co-administered with rifampicin (RIF) and efavirenz (EFV).
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Depot medroxyprogesterone acetate intramuscular injection
Other Names:
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
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Percent of Participants With DMPA Concentrations Below 0.1 ng/mL at Week 12
Time Frame: Week 12
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The percent of participants with plasma DMPA concentrations below 0.1 ng/mL was calculated with an exact Clopper-Pearson 95% confidence interval.
Suppression of ovulation generally occurs as long as the DMPA level is => 0.1 ng/mL.
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Week 12
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Percent of Participants With Progesterone Levels Above 1 ng/mL at Week 12
Time Frame: Week 12
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The percent of participants with plasma progesterone levels above 1 ng/mL was calculated with an exact Clopper-Pearson 95% confidence interval.
Ovulation generally occurs when the progesterone level is > 5 ng/mL.
If there were participants with plasma progesterone levels > 1 ng/mL, then the percent of participants with plasma progesterone levels > 5 ng/mL would have been calculated by study week.
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Week 12
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
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Percent of Participants With DMPA Concentrations Below 0.1 ng/mL at Weeks 2, 4, 6, 8, and 10
Time Frame: Weeks 2, 4, 6, 8, and 10
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The percents of participants with plasma DMPA concentrations below 0.1 ng/mL at weeks 2, 4, 6, 8, and 10 were calculated with exact Clopper-Pearson 95% confidence intervals.
Suppression of ovulation generally occurs as long as the DMPA level is => 0.1 ng/mL.
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Weeks 2, 4, 6, 8, and 10
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Cumulative Percentage of Participants With DMPA < 0.1 ng/mL
Time Frame: Weeks 0, 2, 4, 6, 8, 10, and 12
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The cumulative percentage of participants having a DMPA concentration less than 0.1 ng/mL at week 12 was calculated using a Kaplan-Meier estimator with an associated standard error.
The confidence interval was calculated using a log-log transformation.
Suppression of ovulation generally occurs as long as the DMPA level is => 0.1 ng/mL.
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Weeks 0, 2, 4, 6, 8, 10, and 12
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DMPA AUC
Time Frame: Weeks 0, 2, 4, 6, 8, 10, and 12
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Describe the DMPA plasma area under the curve (AUC) between 0 and 12 weeks, where AUC(0-12wks) was calculated using non-compartmental methods.The Week 0 time point was drawn prior to DMPA injection.
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Weeks 0, 2, 4, 6, 8, 10, and 12
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DMPA Cmin
Time Frame: Weeks 0, 2, 4, 6, 8, 10, and 12
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Describe the DMPA minimum observed concentration (Cmin) between 0 and 12 weeks.
The Week 0 time point was drawn prior to DMPA injection.
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Weeks 0, 2, 4, 6, 8, 10, and 12
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DMPA Cmax
Time Frame: Weeks 0, 2, 4, 6, 8, 10, and 12
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Describe the DMPA maximum observed concentration (Cmax) between 0 and 12 weeks.
The Week 0 time point was drawn prior to DMPA injection.
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Weeks 0, 2, 4, 6, 8, 10, and 12
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DMPA CL/F
Time Frame: Weeks 0, 2, 4, 6, 8, 10, and 12
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Describe the apparent DMPA clearance (CL/F) between 0 and 12 weeks.
The Week 0 time point was drawn prior to DMPA injection.
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Weeks 0, 2, 4, 6, 8, 10, and 12
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Percent of Participants Who Experienced a Grade 3 or Higher Sign/Symptom or Laboratory Abnormality
Time Frame: Weeks 2, 4, 6, 8, 10, and 12
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The percent of participants who experienced a grade 3 (severe) or higher sign/symptom or laboratory abnormality were calculated with an exact Clopper-Pearson 95% confidence interval.
Events were graded (1=mild, 2=moderate, 3=severe, 4=life-threatening, 5=death) according to the DAIDS AE Grading Table (V1.0).
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Weeks 2, 4, 6, 8, 10, and 12
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DMPA Half-life
Time Frame: Weeks 0, 2, 4, 6, 8, 10, and 12
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Describe the terminal elimination half-life of DMPA (t½) between 0 and 12 weeks, where t½ was calculated using nonlinear mixed-effects (NLME) modelling.
The Week 0 time point was drawn prior to DMPA injection.
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Weeks 0, 2, 4, 6, 8, 10, and 12
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Time at Which Participant-specific Estimated Elimination Slopes for DMPA Level Cross the Threshold of 0.1 ng/mL
Time Frame: Weeks 0, 2, 4, 6, 8, 10, and 12
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Describe the time at which DMPA levels drop below the threshold of 0.1 ng/mL, based on participant-specific estimated elimination slopes from nonlinear mixed-effects (NLME) models.
The Week 0 time point was drawn prior to DMPA injection.
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Weeks 0, 2, 4, 6, 8, 10, and 12
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Collaborators and Investigators
Sponsor
Investigators
- Study Chair: Rosie Mngqibisa, MBChB, MPH, Durban Adult HIV CRS
- Study Chair: Susan E. Cohn, MD, MPH, Northwestern University
- Study Chair: Jennifer Robinson, MD, MPH, Johns Hopkins University
Publications and helpful links
General Publications
- Haas DW, Mngqibisa R, Francis J, McIlleron H, Robinson JA, Kendall MA, Baker P, Mawlana S, Badal-Faesen S, Angira F, Omoz-Oarhe A, Samaneka WP, Denti P, Cohn SE; AIDS Clinical Trials Group A5338 Study Team. Pharmacogenetics of interaction between depot medroxyprogesterone acetate and efavirenz, rifampicin, and isoniazid during treatment of HIV and tuberculosis. Pharmacogenet Genomics. 2022 Jan 1;32(1):24-30. doi: 10.1097/FPC.0000000000000448.
- Mngqibisa R, Kendall MA, Dooley K, Wu XS, Firnhaber C, Mcilleron H, Robinson J, Cramer Y, Rosenkranz SL, Roa J, Coughlin K, Mawlana S, Badal-Faesen S, Schnabel D, Omoz-Oarhe A, Samaneka W, Godfrey C, Cohn SE; A5338 Study Team. Pharmacokinetics and Pharmacodynamics of Depot Medroxyprogesterone Acetate in African Women Receiving Treatment for Human Immunodeficiency Virus and Tuberculosis: Potential Concern for Standard Dosing Frequency. Clin Infect Dis. 2020 Jul 27;71(3):517-524. doi: 10.1093/cid/ciz863.
Study record dates
Study Major Dates
Study Start (Actual)
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
Additional Relevant MeSH Terms
- Infections
- Bacterial Infections
- Bacterial Infections and Mycoses
- Gram-Positive Bacterial Infections
- Actinomycetales Infections
- Mycobacterium Infections
- Tuberculosis
- Physiological Effects of Drugs
- Antineoplastic Agents
- Antineoplastic Agents, Hormonal
- Contraceptive Agents, Hormonal
- Contraceptive Agents
- Reproductive Control Agents
- Contraceptives, Oral
- Contraceptive Agents, Female
- Contraceptives, Oral, Synthetic
- Contraceptives, Oral, Hormonal
- Contraceptive Agents, Male
- Medroxyprogesterone Acetate
- Medroxyprogesterone
Other Study ID Numbers
- ACTG A5338
- UM1AI068636 (U.S. NIH Grant/Contract)
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
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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