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Prevalence of neurotoxicity symptoms among postpartum women on isoniazid preventive therapy and efavirenz-based treatment for HIV: an exploratory objective of the IMPAACT P1078 randomized trial

BMC Pregnancy and Childbirth volume 23, Article number: 34 (2023) Cite this article

Abstract

Background

This exploratory analysis investigates the prevalence and risk factors of neurocognitive toxicity in postpartum women on HIV treatment in response to a concern of an Isoniazid Preventive Therapy (IPT)/Efavirenz interaction.

Trial Design

Pregnant women on HIV treatment from countries with high TB prevalence were randomized in IMPAACT P1078 to 28 weeks of IPT started either during pregnancy or at 12 weeks postpartum. Partway through study implementation, the Patient Health Questionnaire 9, the cognitive complaint questionnaire, and the Pittsburg Sleep Quality Index were added to evaluate depression, cognitive function, and sleep quality at postpartum weeks. Screening for peripheral neuropathy was conducted throughout the study.

Methods

We summarized percentages of women with depression symptoms, cognitive dysfunction, poor sleep quality and peripheral neuropathy and assessed the association of 11 baseline risk factors of neurotoxicity using logistic regression, adjusted for gestational age stratum.

Results

Of 956 women enrolled, 749 (78%) had at least one neurocognitive evaluation. During the postpartum period, the percentage of women reporting at least mild depression symptoms, cognitive complaint and poor sleep quality peaked at 13%, 8% and 10%, respectively, at 12 weeks, and the percentage of women reporting peripheral neuropathy peaked at 13% at 24 weeks. There was no evidence of study arm differences in odds of all four neurotoxic symptoms.

Conclusions

Timing of IPT initiation and EFV use were not associated with symptoms of neurotoxicity. Further study is advised to formally assess risk factors of neurotoxicity.

Peer Review reports

Background

Isoniazid (INH) Prevention Therapy (IPT) is recommended by the World Health Organization (WHO) for pregnant women living with HIV in countries with high tuberculosis (TB) prevalence [1], many of whom also receive Efavirenz-based antiretroviral treatment (EFV-ART). Both INH and EFV are independently associated with neurotoxicity. INH-related peripheral neuropathy resulting from its effect on pyridoxine-dependent coenzymes is well described [2], while INH-related neurocognitive toxicity effects include memory loss, depression, sleep disturbances and acute psychosis [3]. EFV has high cerebral-penetration effectiveness [4], readily crossing the blood–brain barrier and being concentrated in brain tissue [5]. Central nervous system effects appear soon after initiation of EFV, may be transient, and include abnormal dreams, sleep disturbances, anxiety and depression [3].

As both EFV and INH are metabolized in the liver, drug-drug interactions have been noted [4, 6]. Specifically, INH inhibits efavirenz 7-hydroxylation by the CYP2A6 enzyme through mechanism-based inactivation resulting in higher plasma EFV concentrations with concomitant use [6]. However, this drug-drug interaction is genotype dependent. Studies have shown that in pregnant women, INH use decreased EFV clearance by 7% in normal EFV metabolizers and 13% in slow/intermediate EFV metabolizers [7]. Although the frequency of side effects was not assessed, sustained, high EFV concentrations could lead to an increased susceptibility to drug-related toxicity [3]. This potential increase is alarming because neuropsychiatric conditions in postpartum women are associated with undesirable effects on maternal-infant relationship development and child development [8, 9].

Despite these known risks, the frequency of neurocognitive toxicity due to INH, EFV or both is less established in postpartum women, a time already characterized by sleep disturbance and increased risk for depression [8]. Although Dolutegravir (DTG)-containing ART is now the recommended first line regimen [10], many women are yet to transition to DTG-ART and those who do not tolerate DTG may take EFV-based ART. Therefore, understanding the prevalence and risk factors of neurocognitive symptoms experienced by postpartum women living with HIV taking EFV or EFV/INH is important. In response to these concerns, an exploratory objective was added to the multi-country IMPAACT P1078 clinical trial to determine the proportion of pregnant or breastfeeding women on ART (EFV-ART, NVP-ART or other) and randomized to initiate IPT in pregnancy or postpartum, who reported symptoms of neurocognitive toxicity (depression symptoms, cognitive complaint and poor sleep quality) or peripheral neuropathy. Associations of socio-demographic and medical factors with neurocognitive toxicity as well as peripheral neuropathy were also evaluated, with particular interest in EFV exposure and its potential for treatment effect modification.

Methods

Study design

IMPAACT P1078 TB APPRISE [ClinicalTrials.gov number, NCT01494038, first registered on 16/12/2011, (https://clinicaltrials.gov/ct2/show/NCT01494038)] was a Phase IV, randomized, double-blind, placebo-controlled non-inferiority study that compared the overall safety and risks and benefits of immediate versus deferred IPT in pregnant women living with HIV, on ART and their infants, enrolled at ≥ 14 through ≤ 34 weeks gestation, at high risk for TB. It was a multi-site study performed in Thailand, Haiti, India, Uganda, Tanzania, South Africa, Botswana and Zimbabwe. At study entry, women were randomized in a 1:1 ratio to initiate oral IPT either during pregnancy (Immediate INH) or at week 12 after delivery (Deferred INH). Women in the Immediate arm were given 300 mg of INH daily initiated at study entry and continued for 28 weeks followed by a Placebo for INH until 40 weeks postpartum. Women in the Deferred arm were given a Placebo for INH initiated at study entry followed by 300 mg of INH daily initiated at 12 weeks postpartum and continued for 28 weeks. All women were provided with pyridoxine (vitamin B6) and prenatal multivitamins from study entry until 40 weeks postpartum. Non-study standard-of-care Cotrimoxazole prophylaxis was provided to women with CD4 counts below 350 cells/mm [3]. Women and their infants were followed through 48 weeks postpartum. Randomization was stratified by site and gestational age (≥ 14 weeks to < 24 weeks or ≥ 24 weeks to ≤ 34 weeks). Full details of the P1078 study design have been described elsewhere [11] and can be found here: https://www.impaactnetwork.org/studies/p1078.

The analysis of neurocognitive toxicity of INH and EFV was informed by questions from three assessments added to protocol Version 2.0. The Patient Health Questionnaire 9 (PHQ-9) [12] captured depression symptoms over the previous two weeks. A three-item questionnaire adapted from Simioni et al. [13] assessed cognitive complaints. Finally, several questions were adapted from the Pittsburgh Sleep Quality Index (PSQI) to assess sleep habits during the past month [14]. Because the neurocognitive toxicity evaluations were not included until partway through study implementation, these evaluations were not available for every woman at every study visit. However, peripheral neuropathy, which was evaluated using the Brief Peripheral Neuropathy Screening (BPNS) tool [15], was assessed throughout the duration of the study.

Participants

The neurocognitive analysis set included all women who were randomized and had at least one neurocognitive evaluation during follow-up. Analyses that assess peripheral neuropathy included all randomized women.

Trial procedures

Neurocognitive toxicity (including depression symptoms, cognitive complaint and poor sleep quality) was assessed at entry, every 12 weeks during the antepartum (AP) period and postpartum (PP) weeks 4, 12, 24, 36 and 48. Peripheral neuropathy was assessed at entry, every 4 weeks during the AP period, labor and delivery and every 4 weeks during the PP period. Analysis visits were defined and labeled as the antepartum visit closest to delivery (AP visit), postpartum study visits at weeks 4, 12, 24, 36 and 48 (PP visits).

Outcome measures

Depression symptoms

Depression was measured using the PHQ-9 assessment, which is a reliable depression screening tool validated in many languages including those used in the P1078 study [12, 16]. Probable depression was defined as total PHQ-9 score ≥ 10. Depression symptoms were also evaluated using an ordinal scale, classifying the total PHQ-9 score as no depression (0), minimal depression (1–4), mild depression (5–9), moderate depression (10–14) and severe depression (≥ 15) [17, 18].

Cognitive complaint

Participants were classified as having a cognitive complaint if they responded “Yes, Definitely” to any of three questions relating to the neurocognitive impairment questions:

  1. (1)

    Do you experience frequent memory loss?

  2. (2)

    Do you feel that you are slower when reasoning, planning activities or solving problems?

  3. (3)

    Do you have difficulties paying attention?

Incomplete answers without at least one “Yes, Definitely” response were set to missing.

Poor sleep quality

Poor sleep quality was assessed using an adapted PSQI (aPSQI) assessment. The PSQI is a reliable and valid tool for measuring sleep quality and disturbance in multiple populations [15]. A total aPSQI score ≥ 4 indicated “poor” sleep quality. If one response was missing, then the total score was set to missing [19].

Peripheral neuropathy

Peripheral neuropathy was assessed using the BPNS tool [15, 16]. This screening tool evaluated symptoms in the feet and legs, vibration perception through the interphalangeal bone of the great toe and deep tendon reflexes in the Achilles tendon. The Grade of peripheral neuropathy at each visit was based on the final BPNS score, where Grade 0 (normal or currently absent) was defined as final BPNS score = 0, Grade 1 (mild) was 1–3, Grade 2 (moderate) was 4–6 and Grade 3 (severe) was ≥ 7 [20]. Peripheral neuropathy was defined as Grade ≥ 1.

Additional details for all outcome measures are provided in Supplementary Fig. 1.

Statistical analysis

Analyses were carried out using an intent to treat approach (analyzed as randomized). The two randomization arms are labeled as Immediate INH and Deferred INH. Unless otherwise noted, baseline values refer to the last determination before or on the randomization date. Baseline characteristics were not compared across arms.

Prevalence of neurotoxicity

Frequencies and percentages of women with depression symptoms, cognitive complaint, poor sleep quality and peripheral neuropathy were summarized at each analysis visit, with Clopper-Pearson 95% confidence intervals (CI) for dichotomous outcome measures.

Study arm differences in neurotoxicity

Logistic regression, adjusted for gestational age stratum, was used to compare the Immediate and Deferred INH arms with respect to cognitive complaint, poor sleep quality and peripheral neuropathy at each analysis visit. Given the small number of probable depression events, exact logistic regression was used for this outcome measure. Because potential interaction effects between timing of INH initiation and EFV exposure were of particular interest, a supplemental analysis summarized neurotoxicity by EFV exposure.

Factors associated with neurotoxicity

Exact logistic regression models were used to assess risk factors of probable depression, cognitive complaint and poor sleep quality at PP Week 36. This time point was selected ad hoc to maximize power (the largest number of women reported probable depression at this time point). Logistic regression models were also used to assess risk factors of peripheral neuropathy at any visit. First, each risk factor was included in a model adjusted only for gestational age stratum. Then, covariates from the simple models with P values < 0.15 and gestational age stratum were entered into a multivariable adjusted analysis, unless modeling became unstable. Risk factors were assessed at entry and included study arm, EFV-regimen, hepatitis B surface antigen (HBsAg) status, hepatitis C serology status, country, CD4 count, HIV viral load, age, body mass index (BMI), INH acetylation status, EFV metabolism status and Cotrimoxazole use. Estimates of covariate effects in multivariate models with 95% CIs are presented.

Incidence of neurotoxicity

Incidence and 95% CIs in neurocognitive toxicity (probable depression, cognitive complaint and poor sleep quality) were calculated by study arm and overall for the subset of women who had at least one neurocognitive toxicity evaluation at both an antepartum and a postpartum visit. For these analyses, the neurocognitive toxicity evaluation at the antepartum visit closest to delivery was used as baseline, and women were censored at their last postpartum neurocognitive toxicity evaluation. Incidence and 95% CIs of peripheral neuropathy were calculated based on data from all women, and the peripheral neuropathy evaluation closest to randomization was used as baseline.

Because these analyses were exploratory, there were no adjustments for multiple testing. Results with P values < 0.05 were considered significant. All analyses were performed using SAS 9.4.

Results

Accrual and analysis exclusions

A total of 956 women were enrolled in P1078 between August 2014 and April 2016 at 13 sites in eight countries. Of the women enrolled in P1078, 749 women, 370 in the Immediate INH arm and 379 in the Deferred INH arm, had at least one neurocognitive toxicity evaluation. These women were included in the neurocognitive analysis set (Fig. 1).

Fig. 1
figure 1

Randomization and analysis sets

Full size image

Baseline characteristics

For the neurocognitive analysis set, baseline demographic and health characteristics were similar across the two randomization arms (Table 1). Of note, baseline neurocognitive assessments were not available for all women, and baseline peripheral neuropathy with severity of at least Grade 1, per the Division of AIDS (DAIDS) toxicity table, was an exclusion-criteria for the study. Baseline demographic and health characteristics were also similar between the peripheral neuropathy (i.e., all enrolled participants) and the neurocognitive analysis sets (Supplemental Table 1).

Table 1 Maternal characteristics at baseline for the neurocognitive analysis population. Continuous variables are presented as median (25th, 75th percentile), and categorical variables are presented as N (%) or N/Total N (%) for variables with missing values
Full size table

Treatment status

At the PP week 12 visit, approximately two-thirds of women in the Immediate INH arm were still taking INH (77/113) and most women in the Deferred INH arm initiated INH (100/119; Supplemental Table 2).

Table 2 Summary of neurotoxicity (depression symptoms, cognitive complaint, poor sleep quality, and peripheral neuropathy Grade) by postpartum study visit. Values are presented as N/Total N [% (95% CI)] for dichotomous outcome measures and N/Total N (%) otherwise
Full size table

Prevalence of neurotoxicity

Probable depression

The percentage of women reporting at least mild depression symptoms (PHQ ≥ 5) peaked at 13% (95% CI: 9%, 18%) during PP Week 12 (Table 2). Probable depression (PHQ ≥ 10) peaked at 2% during PP Weeks 12 (1%, 5%) and 36 (1%, 4%; Supplemental Fig. 2).

Cognitive complaint and Poor sleep quality

The percentage of women reporting cognitive complaint and poor sleep quality also peaked at PP Week 12 (8% (5%, 12%) for cognitive complaint and 10% (6%, 15%) for poor sleep quality), then decreased to 4% (3%, 6%) for cognitive complaint and 6% (4%, 8%) for poor sleep quality at PP Week 48.

Peripheral neuropathy

Across all weeks, most women with peripheral neuropathy experienced a mild event (Grade 1). Peripheral neuropathy (Grade ≥ 1) peaked at 13% during PP Week 24 (11%, 16%; Supplemental Fig. 3).

Study arm differences in neurotoxicity

Probable depression

Women in the Deferred INH arm had 1.41 (0.16, 17.12) times the odds of probable depression compared with women in the Immediate INH arm at PP Week 12 (Table 3). However, more women in the Immediate INH arm (7/270) reported symptoms of depression compared with women in the Deferred INH arm (4/269) at PP Week 36.

Table 3 Study arm differences in neurotoxicity (probable depression, cognitive complaint, poor sleep quality, and peripheral neuropathy) by analysis visit week. Values are presented as N/Total N [% (95% CI)] or OR (95% CI)
Full size table

Cognitive complaint and poor sleep quality

At PP Week 12, women in the Deferred INH arm had 2.19 (0.80, 5.97) times the odds of cognitive complaint and 1.36 (0.52, 3.54) times the odds of poor sleep quality compared with women in the Immediate INH arm.

Peripheral neuropathy

For peripheral neuropathy, women in the Deferred INH arm had 1.14 (0.77, 1.71) times the odds compared with women in the Immediate INH arm at PP Week 12. More women in the Deferred INH arm reported peripheral neuropathy compared with women in the Immediate INH arm, except at PP Week 24 and PP Week 48.

Of note, all 95% CIs for odds ratios included the null value of 1. Similar patterns in neurotoxicity across study arms were observed when stratified by EFV exposure status (Supplemental Table 3).

Factors associated with neurotoxicity

Probable depression

At PP Week 36, women using Cotrimoxazole had 9.45 (1.32, 413.68) times the odds of probable depression compared with women not using Cotrimoxazole (Table 4).

Table 4 Baseline risk factors of neurotoxicity (probable depression, cognitive complaint, poor sleep quality, and peripheral neuropathy). Values are presented as adjusted OR (95% CI)
Full size table
Table 5 Regulatory bodies that approved the P1078 study
Full size table

Cognitive complaint and poor sleep quality

Neither CD4 count group nor Cotrimoxazole use were significant risk factors for cognitive complaint at PP Week 36 in the multivariate model. At PP Week 36, no risk factors had a P value < 0.15 in the simple models.

Peripheral neuropathy

For peripheral neuropathy at any visit, HBsAg, hepatitis C serology, CD4 count, CD4 count group, age, BMI and Cotrimoxazole use were included in the multivariate model with gestational age stratum. Hepatitis C serology, age, BMI and Cotrimoxazole use were significant risk factors (P < 0.05) for peripheral neuropathy during the study period. Women with a positive hepatitis C serology (n = 9) had 5.83 (1.32, 25.75) times the odds of peripheral neuropathy compared with women who had negative hepatitis C serology. For each unit increase in BMI, the odds of peripheral neuropathy increased by 6% (3%, 10%), and for each 10-year increase in age, the odds of peripheral neuropathy increased by 37% (2%, 84%). Women using Cotrimoxazole had 0.24 (0.16, 0.35) times the odds of peripheral neuropathy compared with women not using Cotrimoxazole.

Discussion

To our knowledge, this is the first paper that provides the frequencies of symptoms of neurocognitive toxicity, including symptoms of depression, poor sleep quality, cognitive dysfunction and peripheral neuropathy, in women with HIV on ART and initiating IPT in pregnancy or 12 weeks postpartum. The study provides an opportunity to determine potential associations between timing of INH for TB preventive therapy and neurotoxicity in the era of EFV-ART. Effects of timing of IPT initiation (during pregnancy versus postpartum) on neurotoxicity and associations of socio-demographic and medical factors with neurotoxicity were evaluated, with particular interest in IPT/EFV co-exposure.

The percentage of symptoms of neurocognitive toxicity observed in this study of 12% for depression, 10% for sleep disturbances and 8% for cognitive dysfunction were as expected for perinatal women in the general population. For postpartum depression, it is well documented that approximately 10–15% of all childbearing women are affected [9], arising from dysregulation of the endocrine axes related to mood changes [9]. However, the proportion of women with depression in this study was lower than observed in other perinatal cohorts of women living with HIV [21,22,23,24]. In IMPAACT P1078, the unexpectedly low frequency of depressive symptoms in women on neurotoxic drugs (INH and EFV) could be attributed to the extra care and support provided within the well-resourced clinical trial setting. Alternatively, the difference could be explained by the different assessments conducted. For example, Ngocho et al. used the Edinburgh Postnatal Depression Scale which is a screening tool with specificity lower than the PHQ-9 used in our study. [22]

The prevalence of poor sleep quality generally increases with age [25]. It is already established that people living with HIV experience more poor sleep quality compared to those without HIV [25, 26], and about 73% of adults with HIV report poor sleep quality symptoms [25]. However, there are limited data on the frequency of poor sleep quality in postnatal women living with HIV in low resourced settings. In a study by Gelaye et al.in pregnant women without HIV, 17% of antepartum women were classified as having poor sleep quality [27]. The unexpected lower frequency of 10% poor sleep quality reported in our study for postpartum women living with HIV is likely because of the younger age of the women in this study and the extra care and support provided in the research setting.

Cognitive dysfunction is common in people living with HIV, with up to 36% affected in a study involving non-pregnant adults living with HIV [28]. However, the study did not include pregnant and postnatal women. There are limited data on the frequency of cognitive dysfunction in postpartum women living with HIV and our study provides preliminary data. Our study also confirms previous reports showing association between hepatitis C infection and cognitive dysfunction [29, 30], strengthening the rationale for universal screening of pregnant women with HIV for co-infection with hepatitis C.

Peripheral neuropathy is the most common side effect of INH. The low prevalence of peripheral neuropathy observed in this study could be attributable to the recommended supplementation with pyridoxine [1] and that women with at least Grade 1 peripheral neuropathy were excluded from the study. Hepatitis C serology, age and BMI are factors already known to be associated with peripheral neuropathy [31]. However, the protective effect of Cotrimoxazole was an unexpected finding in our study and requires further investigation.

In our study, there was no evidence of an association between timing of initiation of IPT during antepartum and postpartum, concomitant with EFV use, and increased frequencies of probable depression, cognitive dysfunction, sleep disturbances or peripheral neuropathy. Pharmacokinetic data from South African pregnant and postpartum women living with HIV found that INH reduced EFV clearance, especially among those with slow NAT2 acetylator status [32]. Their study did not provide further data on whether the INH-induced increased EFV plasma concentration was associated with increased frequency of neurotoxicity symptoms in a non-pregnant population [7]. This P1078 exploratory analysis showed no evidence of effect modification with IPT and concomitant EFV use. However, despite the suggestion from the data in our study that IPT and EFV can be taken by postpartum women without fear of increased risk of symptoms of neurotoxicity, further study is advised to formally assess the drug-drug interactions using a larger sample size.

Cotrimoxazole was the only risk factor associated with probable depression. This association with depression is already documented [33]. Further study is advised to formally assess association of Cotrimoxazole with probable depression in peripartum women.

Limitations

Given that the neurocognitive questionnaire was implemented after study initiation, all women do not have evaluations at every time point. Consequently, we are limited to cross-sectional analyses and between arm comparisons at some time points were underpowered due to the small number of events. Although we evaluated the incidence in the subset of women with at least one evaluation at both an antepartum and a postpartum visit (n = 77), analyses with this subset were underpowered due to the small number of events. Of the 27 women with probable depression, only two reported probable depression at more than one visit. Secondly, perinatal-specific thresholds are not available for the neurotoxicity tools in all countries in the trial, potentially overestimating symptoms common in pregnancy. Given the small number of women not on EFV, we had limited ability to formally assess effect modification of EFV. Thirdly, because a complete case analysis approach was used, all analyses assumed data were missing completely at random. However, the overall conclusions did not change after mean imputation of incomplete surveys in a sensitivity analysis. Finally, risk factor analyses occurred at PP Week 36 and at this time point, women in the early arm had already completed IPT.

Conclusion

In our study, there was no evidence of an association between timing of initiation of IPT during antepartum and postpartum, concomitant use of EFV and increased frequencies of probable depression, cognitive dysfunction, sleep disturbances or peripheral neuropathy. Symptoms of neurotoxicity peaked at 12 weeks but was not higher compared to historical controls of post-partum women without HIV infection. Further study is advised to formally assess associations of risk factors for neurotoxicity.

Verbal screening for symptoms of neurocognitive toxicity is not costly and readily integrated with maternity services. Identifying the small percentage of women with moderate to severe depression and significant sleep disturbance or cognitive impairment is important in preventing the catastrophic events of poor mother-infant bonding and the adverse child development associated with maternal neurocognitive toxicity.

Availability of data and materials

The data cannot be made publicly available due to the ethical restrictions in the study’s informed consent documents and in the International Maternal Pediatric Adolescent AIDS Clinical Trials (IMPAACT) Network’s approved human subjects protection plan; public availability may compromise participant confidentiality. However, data are available to all interested researchers upon request to the IMPAACT Statistical and Data Management Center’s data access committee by email to gro.frtsf@atad.cads or ude.dravrah@atad.cads. This committee reviews and responds to requests for data, obtains necessary approvals from IMPAACT leadership and the National Institutes of Health (NIH), arranges for signature of a Data Use Agreement, and releases the requested data.

Abbreviations

AP:

Antepartum

aPSQI:

Adapted Pittsburg Sleep Quality Index

BMI:

Body-Mass Index

BPNS:

Bilateral Peripheral Neuropathy Screen

CI:

Confidence Interval

DAIDS:

Division of AIDS

DTG:

Dolutegravir

EFV:

Efavirenz

EFV-ART:

Efavirenz -based Anti-Retroviral Therapy

IMPAACT:

International Maternal, Pediatric, Adolescent AIDS Clinical Trials Network

INH:

Isoniazid

IPT:

Isoniazid Preventive Therapy

PHQ-9:

9-Question Patient Health Questionnaire

PSQI:

Pittsburg Sleep Quality Index

PP:

Post-partum

TB:

Tuberculosis

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Acknowledgements

The IMPAACT P1078 protocol team acknowledges the valued contribution of the mothers who volunteered to participate with their babies in this study. We gratefully acknowledge the contributions of the protocol vice chairs: Adriana Weinberg, MD; Timothy Sterling, MD; Gerhard Theron, MD. We also value and acknowledge the great contributions of the site investigators and staff who conducted the IMPAACT P1078 (TB APPRISE) study:

MU-JHU Research Collaboration. Enid Kabugho, MBChB; Deo Wabwire, MBChB, MMed; Hellen Kaganzi, MBChB; Joel Maena, MBChB; Hajira Kataike, MBChB. ZIMBABWE. St. Mary’s: Tsungai Chipato, MBChB, FRCOG, MCE; Bangani Kusakara, MBChB; Emmie Marote, SRN MA; Mercy Mutambanengwe, BPharm. Seke North: Teacler Nematadzira, MBChB, MCE; Suzen Maonera, SRN MS; Vongai Chanaiwa, Bpharm, MCE. Harare Family Care: Tichaona Vhembo, MBChB, MPH; Tapiwa Mbengeranwa, MBChB, MBA; Sukunena Maturure, SRN MS; Tsungai Mhembere, Bpharm, MPH. SOUTH AFRICA. Soweto: Nasreen Abrahams, MBA; Haseena Cassim, MD; Ruth Mathiba, MD. Family Clinical Research Unit: Jeanne Louw, MSc; Marlize Smuts, MPharm; Lindie Rossouw, MBChB; Magdel Rossouw, MBChB. Desmond Tutu TB Centre: Celeste de Vaal, MD, MpHil; Sharon Mbaba, RN; Karen du Preez, MD, MSc; Frieda Verheye-Dua, PhD. TANZANIA. Kilimanjaro Christian Medical Centre: Aisa Shao, Mmed; Boniface Njau, MPH; Philoteus Sakasaka, MSc; Seleman Semvua, MPH. BOTSWANA. Gaborone and Molepolole: Tebogo J. Kakhu, RN/MW, BSN; Thuto Ralegoreng, MD; Ayotunde Omoz-oarhe, MD; Unoda Chakalisa, MD. INDIA. Byramjee Jeejeebhoy Medical College: Nishi Suryavanshi, PhD; Sandesh Patil, MBBS, DGO; Neetal Nevrekar, MD. THAILAND. Chiang Mai: Fuanglada Tongprasert, MD; Tavitiya Sudjaritruk, MD, PhD; Chintana Khamrong, MSc; Prapaporn Janjing, BNs, RN, MS. HAITI. Les Centres GHESKIO: Marie Flore Pierre, MD; Maria Linda Aristhomene, RN; Dominique Lespinasse, MD; Emelyne Dumont. IMPAACT Operations Center: Sarah Bradford, MPH. IMPAACT Laboratory Center: Diane Costello, BS; Amy James Loftis, BSc. IMPAACT Statistical and Data Analysis Center: Soyeon Kim, ScD; David Shapiro, PhD; Camlin Tierney, PhD. IMPAACT Data Management Center: Bonnie Zimmer, BS; Rebecca LeBlanc, BS.

The authors are saddened by the loss of Dr. Carolyne Onyango-Makumbi, who contributed significantly to conceptualize this analysis and led implementation of the IMPAACT P1078 study at the Kampala, Uganda site.

IMPAACT P1078 TB APPRISE Study Team:

Haroon Saloojee, Wafaa El-Sadr, David Harrington, Jonathan B Levine, Mary Faith Marshall, Lucky Mokgatlhe, Paula Munderi, Andrew Nunn, Jerome Amir Singh, Betty Kwagala, Alwyn Mwinga, Papa Salif Sow, Catherine Hill, Jerrold J Ellner, Grace John-Stewart, Steven Joffe, Barbara E Murray, Merlin L Robb, Enid Kabugho, Deo Wabwire, Hellen Kaganzi, Joel Maena, Hajira Kataike, Patricia Mandima, Emmie Marote, Mercy Mutambanengwe, Teacler Nematadzira, Suzen Maonera, Vongai Chanaiwa, Tapiwa Mbengeranwa, Sukunena Maturure, Tsungai Mhembere, Mandisa Nyati, Nasreen Abrahams, Haseena Cassim, Ruth Mathiba, Joan Coetzee, Jeanne Louw, Marlize Smuts, Lindie Rossouw, Magdel Rossouw, Celeste de Vaal, Sharon Mbaba, Karen du Preez, Frieda Verheye-Dua, Aisa Shao, Boniface Njau, Philoteus Sakasaka, Seleman Semvua, Tebogo J Kakhu, Thuto Ralegoreng, Ayotunde Omoz-Oarhe, Unoda Chakalisa, Nishi Suryavanshi, Sandesh Patil, Neetal Nevrekar, Renu Bharadwaj, Vandana Kulkarni, Fuanglada Tongprasert, Tavitiya Sudjaritruk, Chintana Khamrong, Prapaporn Janjing, Marie Flore Pierre, Maria Linda Aristhomene, Dominique Lespinasse, Emelyne Dumont, Rebecca LeBlanc, Amy James Loftis, Soyeon Kim, David Shapiro, Camlin Tierney, Vivian Rexroad, Renee Browning

1University of Zimbabwe Clinical Trials Research Centre, Harare Zimbabwe

2Center for Biostatistics in AIDS Research, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, USA

4Makerere University-John Hopkins University Research Collaboration, Kampala, Uganda

5Chris Hani Baragwanath Hospital, Johannesburg, Soweto, South Africa

6Kilimanjaro Christian Medical University College, Moshi, Tanzania

7Botswana Harvard AIDS Institute, Gaborone, Botswana

9National Institute of Allergy and Infectious Diseases, Bethesda, Maryland, USA

10Division of Infectious Diseases, Johns Hopkins University School of Medicine

12University of Witwatersrand, South Africa

13Columbia University, USA

14Harvard faculty of Arts and Sciences, USA

15New York University, School of Dentistry, USA

16University of Virginia School of Medicine, USA

17University of Botswana

18UNAIDS

19University College London Institute of Clinical trials, UK

20Dalla Lana School of Public Health, University of Toronto, Canada

21Department of Population Studies, Makerere University, Uganda

22University of Zambia

23Department of Global Health, University of Washington, USA

24University of Southampton, UK

25School of Medicine, Boston University, USA

26Perelman School of Medicine, University of Pennsylvania, USA

27University of Texas, Health Sciences Center

28US Military HIV Research Program

29Department of Pediatrics and Child Health, Stellenbosch University, South Africa

30Desmond Tutu TB Centre, Stellenbosch University, South Africa

31Maharashtra University of Health Sciences, BJ Medical College CRS, India

32Chiang Mai University, Research Institute for Health Sciences, Thailand

33Les Centers GHESKIO CRS , Haiti

34University of North Carolina AIDS CRS, USA

Funding

Overall support for the International Maternal Pediatric Adolescent AIDS Clinical Trials Network (IMPAACT) was provided by the National Institute of Allergy and Infectious Diseases (NIAID) with co-funding from the Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD) and the National Institute of Mental Health (NIMH), all components of the National Institutes of Health (NIH), under Award Numbers UM1AI068632-15 (IMPAACT LOC), UM1AI068616-15 (IMPAACT SDMC) and UM1AI106716-15 (IMPAACT LC), and by NICHD contract number HHSN275201800001I. IMPAACT P1078 was also sponsored by the Scientific Collaboration with the Tuberculosis Trials Consortium (TBTC) of the Centers for Disease Control and Prevention. The content is solely the responsibility of the authors and does not necessarily represent the official views of the NIH.

The study drugs for P1078 and testing kits were purchased with trial funds; there was no commercial support for the trial.

Author information

Author notes

  1. Patricia Mandima and Kristin Baltrusaitis contributed equally and work.

Authors and Affiliations

  1. University of Zimbabwe Clinical Trials Research Centre, Harare, Zimbabwe

    Patricia Mandima, Gift Chareka & Lynda Stranix-Chibanda

  2. Center for Biostatistics in AIDS Research, Harvard T.H. Chan School of Public Health, Boston, MA, USA

    Kristin Baltrusaitis, Grace Montepiedra & Lisa Aaron

  3. Weill Cornell Medical College, New York, NY, USA

    Jyoti Mathad

  4. Makerere University-John Hopkins University Research Collaboration, Kampala, Uganda

    Carolyne Onyango-Makumbi

  5. Chris Hani Baragwanath Hospital, Johannesburg, Soweto, South Africa

    Mandisa Nyati

  6. Kilimanjaro Christian Medical University College, Moshi, Tanzania

    James Ngocho

  7. Harvard AIDS Institute, Gaborone, Botswana

    Ponego Ponatshego & Gaerolwe Masheto

  8. FHI 360, Durham, NC, USA

    Katie McCarthy

  9. National Institute of Allergy and Infectious Diseases, Bethesda, MD, USA

    Patrick Jean-Philippe

  10. Division of Infectious Diseases, Johns Hopkins University School of Medicine, Baltimore, USA

    Amita Gupta

  11. Child and Adolescent Health Unit, Faculty of Medicine and Health Sciences, University of Zimbabwe, Harare, Zimbabwe

    Lynda Stranix-Chibanda

Authors
  1. Patricia Mandima
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  2. Kristin Baltrusaitis
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  4. Lisa Aaron
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  5. Jyoti Mathad
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  6. Carolyne Onyango-Makumbi
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  7. Mandisa Nyati
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  8. James Ngocho
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  9. Gift Chareka
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  11. Gaerolwe Masheto
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  12. Katie McCarthy
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  13. Patrick Jean-Philippe
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Consortia

for the IMPAACT P1078 T. B. APPRISE study team

  • Haroon Saloojee
  • , Wafaa El-Sadr
  • , David Harrington
  • , Jonathan B. Levine
  • , Mary Faith Marshall
  • , Lucky Mokgatlhe
  • , Paula Munderi
  • , Andrew Nunn
  • , Jerome Amir Singh
  • , Betty Kwagala
  • , Alwyn Mwinga
  • , Papa Salif Sow
  • , Catherine Hill
  • , Jerrold J. Ellner
  • , Grace John-Stewart
  • , Steven Joffe
  • , Barbara E. Murray
  • , Merlin L. Robb
  • , Enid Kabugho
  • , Deo Wabwire
  • , Hellen Kaganzi
  • , Joel Maena
  • , Hajira Kataike
  • , Patricia Mandima
  • , Emmie Marote
  • , Mercy Mutambanengwe
  • , Teacler Nematadzira
  • , Suzen Maonera
  • , Vongai Chanaiwa
  • , Tapiwa Mbengeranwa
  • , Sukunena Maturure
  • , Tsungai Mhembere
  • , Mandisa Nyati
  • , Nasreen Abrahams
  • , Haseena Cassim
  • , Ruth Mathiba
  • , Joan Coetzee
  • , Jeanne Louw
  • , Marlize Smuts
  • , Lindie Rossouw
  • , Magdel Rossouw
  • , Celeste de Vaal
  • , Sharon Mbaba
  • , Karen du Preez
  • , Frieda Verheye-Dua
  • , Aisa Shao
  • , Boniface Njau
  • , Philoteus Sakasaka
  • , Seleman Semvua
  • , Tebogo J. Kakhu
  • , Thuto Ralegoreng
  • , Ayotunde Omoz-Oarhe
  • , Unoda Chakalisa
  • , Nishi Suryavanshi
  • , Sandesh Patil
  • , Neetal Nevrekar
  • , Renu Bharadwaj
  • , Vandana Kulkarni
  • , Fuanglada Tongprasert
  • , Tavitiya Sudjaritruk
  • , Chintana Khamrong
  • , Prapaporn Janjing
  • , Marie Flore Pierre
  • , Maria Linda Aristhomene
  • , Dominique Lespinasse
  • , Emelyne Dumont
  • , Rebecca LeBlanc
  • , Amy James Loftis
  • , Soyeon Kim
  • , David Shapiro
  • , Camlin Tierney
  • , Vivian Rexroad
  •  & Renee Browning

Contributions

Patricia Mandima and Kristin Baltrusaitis were equally involved in developing the study proposal and in writing, interpretation of study results and review of the manuscript. Jyoti Mathad, Carolyne Onyango-Makumbi, Mandisa Nyati, James Ngocho, Gift Chareka, Ponego Ponatshego, Gaerolwe Masheto were involved in data collection and in review of the manuscript. Kristin Baltrusaitis, Grace Montepiedra and Lisa Aaron did the statistical analysis, interpretation of results and manuscript writings. Katie McCarthy, Patrick Jean-Philippe, Amita Gupta reviewed the manuscript and assisted with interpretation of study results. Lynda Stranix-Chibanda provided overall supervision from study proposal to final review. All the authors have read and approved the manuscript.

Corresponding author

Correspondence to Patricia Mandima.

Ethics declarations

Ethics approval and consent to participate

Informed consent was obtained from all subjects and from legal guardians of the minors. All experimental protocols were approved by the Institutional Review Boards in all countries and was conducted under Good Clinical Practice per the Helsinki Declaration. The study was approved by several Institutional Review Boards from different countries, and these are listed in Table 5. South Africa: University of Witwatersrand Research Ethics Committee and South African Health Products Regulation. Botswana: Health Research and Development Committee, Harvard T.H. Chan School of Public Health Office of Regulatory Affairs and Research Compliance and Botswana Drug Regulatory Unit. India: Ethics Committee- B J Medical College and Sassoon General Hospitals. Tanzania: National Institute of Medical Research (NIMR). Thailand: The Human Experimentation Committee, Research Institute for Health Sciences, Chiang Mai University and Research Ethics Committee, Faculty of Medicine, Chiang Mai University. Zimbabwe: Medical Research council of Zimbabwe, Medicine Control Authority of Zimbabwe, Research Council of Zimbabwe and Joint Research Ethics Committee for the University of Zimbabwe College of Health Sciences and Parirenyatwa Group of Hospitals.

The study only recruited subjects with capacity to give informed consent. During follow up, whilst some of the subjects developed some neurocognitive symptoms, none was serious enough to make diagnosis for neurocognitive disorder, hence informed consent from LARS was not required.

Consent for publication

Not applicable.

Competing interests

The authors have no financial disclosures to report.

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Supplementary Information

Additional file 1:

 Figure 1. Copy of IMPAACT P1078 neurotoxicity questionnaire with PHQ-9, neurocognitive impairment, and aPSQI assessments. Figure 2. Distribution of PHQ-9 scores. Figure 3. Distribution of BPNS scores. Table 1. Maternal characteristics at baseline for the peripheral neuropathy and neurocognitive analysis sets. Table 2. Number of participants with neuro-cognitive toxicity evaluations by randomization group, INH exposure, and gestational age stratum. Table 3. Summary of neurotoxicity (probable depression, cognitive complaint, poor sleep quality, and peripheral neuropathy) by study arm and EFV exposure. Table 4. Incidence of neurotoxicity (probable depression, cognitive complaint, poor sleep quality, and peripheral neuropathy) by study arm.

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Mandima, P., Baltrusaitis, K., Montepiedra, G. et al. Prevalence of neurotoxicity symptoms among postpartum women on isoniazid preventive therapy and efavirenz-based treatment for HIV: an exploratory objective of the IMPAACT P1078 randomized trial. BMC Pregnancy Childbirth 23, 34 (2023). https://doi.org/10.1186/s12884-022-05341-3

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BMC Pregnancy and Childbirth

ISSN: 1471-2393

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