Pretomanid and the BPaL Regimen

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TB Alliance Pretomanid Factsheet

TB Alliance PLOS Global Public Health Livesaving, Cost-Saving

TB Alliance BMJ Open Cost-Effectiveness of BPaL

TB Alliance BMC Public Health Acceptability feasibility likelihood implementing BPaL 2021

TB Alliance BMJ Global Health Budgetary Impact BPaL 2022

INDICATION | LIMITED POPULATION

Pretomanid Tablet is an antimycobacterial indicated, as part of a combination regimen with bedaquiline and linezolid for the treatment of adults with pulmonary tuberculosis (TB) that is resistant to isoniazid, rifamycins, a fluoroquinolone and a second line injectable antibacterial drug OR adults with pulmonary TB resistant to isoniazid and rifampin, who are treatment-intolerant or nonresponsive to standard therapy. Approval of this indication is based on limited clinical safety and efficacy data. This drug is indicated for use in a limited and specific population of patients.

Limitations of Use:
  • Pretomanid Tablets are not indicated for patients with:
    • Drug-sensitive (DS) tuberculosis
    • Latent infection due to Mycobacterium tuberculosis
    • Extra-pulmonary infection due to Mycobacterium tuberculosis
    • MDR-TB that is not treatment-intolerant or non-responsive to standard therapy
    • TB resistant to isoniazid and rifampin, who are responsive to standard therapy and not treatment-intolerant
    • TB with known resistance to any component of the combination
IMPORTANT SAFETY INFORMATION

Contraindications

Pretomanid Tablets used in combination with bedaquiline and linezolid are contraindicated in patients for whom bedaquiline and/or linezolid is contraindicated.

Warnings and Precautions
  • Hepatic adverse reactions were reported with the use of the combination regimen of Pretomanid Tablets, bedaquiline, and linezolid. Monitor symptoms and signs and liver related laboratory tests. Interrupt treatment with the entire regimen if evidence of liver injury occurs.
  • Myelosuppression was reported with the use of the combination regimen of Pretomanid Tablets, bedaquiline, and linezolid. Monitor complete blood counts. Decrease or interrupt linezolid dosing if significant myelosuppression develops or worsens.
  • Peripheral and optic neuropathy were reported with the use of the combination regimen of Pretomanid Tablets, bedaquiline, and linezolid. Monitor visual function. Obtain an ophthalmologic evaluation if there are symptoms of visual impairment. Decrease or interrupt linezolid dosing if neuropathy develops or worsens.
  • QT prolongation was reported with the use of the combination regimen of Pretomanid Tablets, bedaquiline, and linezolid. Use with drugs that prolong the QT interval may cause additive QT prolongation. Monitor ECGs. Discontinue the combination regimen of Pretomanid Tablets, bedaquiline, and linezolid if significant ventricular arrhythmia or if QTcF interval prolongation of greater than 500 ms develops.
  • Reproductive effects: Pretomanid caused testicular atrophy and impaired fertility in male rats. Advise patients of reproductive toxicities seen in animal studies and that the potential effects on human male fertility have not been adequately evaluated.
  • Lactic acidosis was reported with the use of the combination regimen of Pretomanid Tablets, bedaquiline, and linezolid. Consider interrupting linezolid or the entire combination regimen of Pretomanid Tablets, bedaquiline, and linezolid dosing if significant lactic acidosis develops.

Adverse Reactions

The most common adverse reactions (≥10%) are peripheral neuropathy, acne, anemia, nausea, vomiting, headache, increased transaminases, dyspepsia, decreased appetite, rash, pruritus, abdominal pain, pleuritic pain, increased gamma-glutamyltransferase, lower respiratory tract infection, hyperamylasemia, hemoptysis, back pain, cough, visual impairment, hypoglycemia, abnormal loss of weight, and diarrhea.