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“BACKGROUND Prior supplementation with folic acid and vitamin B12 is required to reduce pemetrexed therapy toxicity; the recommended lead-in time is at least 7 days.”
“Supplementation with folic acid and vitamin B12 during treatment with pemetrexed is recommended to reduce potential haematological and gastrointestinal adverse events.”
Oncology Research and Treatment • 2009 | View Paper
“6) Supplementation with folic acid and vitamin B12 reduces haematological and gastrointestinal complications associated with the antifolate activity of pemetrexed. (”
“Routine vitamin B12 and folic acid supplementation have resulted in decreased frequency/severity of toxicities associated with pemetrexed without affecting efficacy, making this novel antifolate a safe and efficacious anticancer agent.”
“During the drug development program it was discovered that supplementation with folic acid and vitamin B12 profoundly increased the tolerability of pemetrexed.”
“Low level dietary supplement of folic acid and vitamin B12 has significantly decreased the mucosal and bone marrow toxicity of pemetrexed without compromising its antitumor effect.”