Some experts think it could be the first new drug in 40 years to effectively fight tuberculosis.
A study appearing in the journal Science finds when the antibiotic is used with other drugs it can cure TB in about half the time of existing treatments.
The lead author says the compound is being tested in people with active TB and may take five years to reach the market.
Johnson and Johnson scientists in Belgium conducted the research.
Doctors say it's critical to find a new treatment because TB is building resistance to current treatments.
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