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Understanding the Benefits of Rifampin

The discovery of rifampin was a major breakthrough in the field of antibiotic research. Created in the 1960s, it was found to be effective against both Gram-positive and Gram-negative bacteria and quickly became a popular and widely used medication. It was originally derived from a soil bacterium first found in the Rif mountains of Morocco, hence its name.

Further research on rifampin has shown that it is also effective in treating tuberculosis, a disease that affects millions of people worldwide. In fact, rifampin is one of the most important drugs used in the treatment of tuberculosis, as it helps to prevent the spread of the disease and reduce the risk of drug-resistant strains…

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 3HP

3HP is a combination of 2 drugs, rifapentine and isoniazid, which are taken once weekly for 3 months to get rid of latent TB infection.

 A Simple Regimen Can Prevent TB. Why Aren’t More People on It?

Two antibiotics, taken for a month, can stop a leading killer. But “when it’s for TB, people just sort of shrug.” For decades, the standard course has been an antibiotic called isoniazid that kills the bacteria causing TB only when they are replicating. The drug must be taken daily for nine months, in the hope of catching the bacteria as they multiply, and it can cause numbness, nausea and fever. Isoniazid also can cause liver toxicity, so people taking it are advised not to drink alcohol for the entire nine months.

Articles of Interest

Four Months of Rifampin or Nine Months of Isoniazid for Latent Tuberculosis in Adults

The 4-month regimen of rifampin was not inferior to the 9-month regimen of isoniazid for the prevention of active tuberculosis and was associated with a higher rate of treatment completion and better safety.

History of the Development of Rifampin

Rifampin was developed in the Dow-Lepetit Research Laboratories (Milan, Italy) as part of an extensive program of chemical modification of the rifamycins, the natural metabolites of Nocardia mediterranei. One peculiar fact was that all of the studies leading to highly active derivatives were performed on a molecule (rifamycin B) that was itself practically inactive.

Rifampicin for treatment of tuberculosis

This leaflet is for parents and carers about how to use this medicine in children. Our information may differ from that provided by the manufacturers, because their information usually relates to adults.

Rifamycins: do not throw the baby out with the bathwater. Is rifampicin still an effective anti-tuberculosis drug?

Despite recent additions to the antitubercular armory and the testing of completely novel regimens, rifampicin remains a cornerstone of tuberculosis (TB) drug therapy. In combination with isoniazid, ethambutol and pyrazinamide and given over 6 months (all four for 2 months, followed by rifampicin and isoniazid for 4 months), rifampicin (together with isoniazid) forms the basis of first-line treatment for this global disease.

The Role of Rifampin in Bone and Joint Infections

While rifampin has strong mechanistic and in vitro data, as well as data supporting its adjunctive use for other osteoarticular infections, there is still limited clinical evidence for use in DFO. This new data should be balanced against rifampin’s adverse effect profile including gastrointestinal discomfort plus propensity for drug interactions.

When Should I Use Rifampin to Treat Staphylococcus aureus Infective Endocarditis?

Rifampin should not be used to treat S. aureus native valve endocarditis. There is currently low-quality evidence that suggests potential benefit for using rifampin to treat prosthetic valve endocarditis caused by S. aureus and only limited reports of outcomes from infections with commonly used bioprosthetic valves. The need for improved therapy in this serious infection is great.

Resources

Rifampin

Rifampin is the most commonly used oral/IV antibiotic among the rifamycins (rifabutin, rifapentine, etc.) Rifampin acts at the level of RNA transcription by inhibiting bacterial DNA-dependent RNA polymerase. This drug has excellent oral bioavailability and tends to concentrate intracellularly. Classically, rifampin is used in combination with the medications like isoniazid to treat latent and active tuberculosis, but it also has in vitro activity against pneumococcus, group A strep, viridans strep, CONS, and a myriad of gram negative organisms.

StatPearls

Rifampin, also known as rifampicin, belongs to the antimicrobial class of drugs. This medication is used to manage and treat diverse mycobacterial infections and gram-positive bacterial infections. Rifampin exhibits antibacterial activity against a wide range of gram-positive cocci, including Mycobacteria and Clostridium difficile, and specific gram-negative organisms, including Neisseria meningitidis, N gonorrhoeae, and Hemophilus influenza.

TB Alliance

Rifampin is one of the drugs used in standard, first-line TB therapy for drug-sensitive patients. The “newest” of the first-line TB drugs, it was discovered in 1963. Rifampin exhibits very effective activity against persisters in the continuation phase of treatment, but also creates challenges in the treatment of patients co-infected with both TB and HIV.