Investigation of Rifampin to Reduce Pedal Amputations for Osteomyelitis in Diabetics (NCT03012529) | Clinical Trial Compass
CompletedPhase 4
Investigation of Rifampin to Reduce Pedal Amputations for Osteomyelitis in Diabetics
United States843 participantsStarted 2018-01-22
Plain-language summary
The purpose of this research study is to determine if rifampin, an antibiotic (a medicine that treats infections), is effective in treating osteomyelitis (infection of the bone) of the foot in diabetic patients. Despite use of powerful antibiotics prescribed over a long period of time, many diabetic patients remain at a high risk for needing an amputation of part of the foot or lower leg because the osteomyelitis is not cured. Some small research studies have shown that addition of rifampin to other antibiotics is effective in treating osteomyelitis in both diabetics and non-diabetics. However, because few diabetics with osteomyelitis have been studied, there is no definite proof that it is better than the usual treatments for diabetic patients. If this study finds that adding rifampin to the usual antibiotics prescribed for osteomyelitis reduces the risk for amputations, doctors will be able to more effectively treat many Veteran patients with this serious infection. Improving treatment outcomes is an important healthcare goal of the VA.
Who can participate
Age range18 Years – 89 Years
SexALL
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Inclusion criteria
✓. Age 18 and 89 years
✓. Diagnosis of diabetes mellitus, either by: 1) use of oral hypoglycemic agents or insulin at the time of enrollment; 2) a hemoglobin A1c (HgA1c) level within the past 90 days \> 6.5; or 3) a medical record diagnosis of diabetes mellitus by a clinician on two or more occasions in the previous 10 years
✓. Definite or probable osteomyelitis in the diabetic foot, as defined by the International Working Group on the Diabetic Foot (Table 1). Criteria must be present at some point within 90 days prior to enrollment.
✓. All planned debridement has been completed prior to randomization.
✓. A course of backbone antimicrobial therapy has been selected.
Exclusion criteria
✕. Patient unable to receive enteral medication.
✕. Patient is allergic to or intolerant of rifampin.
✕. Patient is taking a drug that has interactions with rifampin that would require either stoppage, substitution or an empiric dose modification that may place the patient at medical risk.
✕. Within 30 days of enrollment, patient is taking immunosuppressive medications to prevent rejection of an organ transplant or is receiving chemotherapy for cancer or molecularly targeted therapies for cancer.
✕. Patient is receiving antiretroviral therapy for HIV or antiviral medication for Hepatitis C.
✕. Patient is participating in another interventional clinical trial for which a waiver of dual enrollment with CSP#2001 has not been obtained.
✕. Patient has an ALT \> 3 times the upper limit of normal for the site laboratory, or total bilirubin \> 2.5 times the upper limit of normal for the site laboratory\*,\*\*\*; INR \> 1.5, OR patient has Child-Pugh Class C Cirrhosis.
✕. Patient has a baseline white blood cell count (WBC) \<2000 cells/mm3\*\*\* OR absolute neutrophil count (ANC) \<1000 cells/mm3\*\*\* OR platelet count \<50,000 cells/mm3\*\*,\*\*\* OR hemoglobin \<8.0 g/dL.\*\*,\*\*\*.