Interações de Pemetrexede

Pemetrexede (Alimta, Pemfexy), antimetabólito, tem 22 interações documentadas nas bulas da FDA e nas fichas informativas que indexamos (graves: 17; moderadas: 4; leves: 1; casos em que uma bula relata não haver interação significativa: 0). Cada item abaixo cita a frase em que se baseia. Esta página de medicamento é um ponto de partida, não um veredito para a sua situação.

Interações segundo a bula

Interações graves (17)

  • NSAIDs with short elimination half-lives (e.g., diclofenac, indomethacin) should be avoided for a period of two days before, the day of, and two days following administration of pemetrexed. (bula de Ácido mefenâmico, Interações medicamentosas)

  • CelecoxibeAINEGrave

    NSAIDs with short elimination half-lives (e.g., diclofenac, indomethacin) should be avoided for a period of two days before, the day of, and two days following administration of pemetrexed. (bula de Celecoxibe, Interações medicamentosas)

  • DiclofenacoAINEGrave

    NSAIDs with short elimination half-lives (e.g., diclofenac, indomethacin) should be avoided for a period of two days before, the day of, and two days following administration of pemetrexed. (bula de Diclofenaco, Interações medicamentosas)

  • Avoid diclofenac sodium/misoprostol for a period of two days before, the day of, and two days following administration of pemetrexed. (bula de Diclofenaco + misoprostol, Interações medicamentosas)

  • FenoprofenoAINEGrave

    NSAIDs with short elimination half-lives (e.g., diclofenac, indomethacin) should be avoided for a period of two days before, the day of, and two days following administration of pemetrexed. (bula de Fenoprofeno, Interações medicamentosas)

  • FlurbiprofenoAINEGrave

    NSAIDs with short elimination half-lives (e.g., diclofenac, indomethacin) should be avoided for a period of two days before, the day of, and two days following administration of pemetrexed. (bula de Flurbiprofeno, Interações medicamentosas)

  • In patients with creatinine clearances between 45 mL/min and 79 mL/min, avoid administration of ibuprofen for 2 days before, the day of, and 2 days following administration of PEMFEXY. (bula de Pemetrexede, Advertências e precauções)

  • IbuprofenoAINEGrave

    In patients with creatinine clearances between 45 mL/min and 79 mL/min, avoid administration of ibuprofen for 2 days before, the day of, and 2 days following administration of PEMFEXY. (bula de Pemetrexede, Advertências e precauções)

  • In patients with creatinine clearances between 45 mL/min and 79 mL/min, avoid administration of ibuprofen for 2 days before, the day of, and 2 days following administration of PEMFEXY. (bula de Pemetrexede, Advertências e precauções)

  • IndometacinaAINEGrave

    NSAIDs with short elimination half-lives (e.g., diclofenac, indomethacin) should be avoided for a period of two days before, the day of, and two days following administration of pemetrexed. (bula de Indometacina, Interações medicamentosas)

  • MeloxicamAINEGrave

    In patients with creatinine clearance below 45 mL/min, the concomitant administration of meloxicam with pemetrexed is not recommended. (bula de Meloxicam, Interações medicamentosas)

  • NaproxenoAINEGrave

    NSAIDs with short elimination half-lives (e.g., diclofenac, indomethacin) should be avoided for a period of two days before, the day of, and two days following administration of pemetrexed. (bula de Naproxeno, Interações medicamentosas)

  • OxaprozinaAINEGrave

    NSAIDs with short elimination half-lives (e.g., diclofenac, indomethacin) should be avoided for a period of two days before, the day of, and two days following administration of pemetrexed. (bula de Oxaprozina, Interações medicamentosas)

  • In patients with creatinine clearances between 45 mL/min and 79 mL/min, avoid administration of ibuprofen for 2 days before, the day of, and 2 days following administration of PEMFEXY. (bula de Pemetrexede, Advertências e precauções)

  • PiroxicamAINEGrave

    NSAIDs with short elimination half-lives (e.g., diclofenac, indomethacin) should be avoided for a period of two days before, the day of, and two days following administration of pemetrexed. (bula de Piroxicam, Interações medicamentosas)

  • Dihydrofolate Reductase (DHFR) Inhibitors : Avoid concomitant use (e.g., trimethoprim, methotrexate, trimetrexate, pemetrexed, pralatrexate, raltitrexed, or piritrexim). (bula de Sepiapterina, Interações medicamentosas)

  • NSAIDs with short elimination half-lives (e.g., diclofenac, indomethacin) should be avoided for a period of two days before, the day of, and two days following administration of pemetrexed. (bula de Sumatriptana + naproxeno, Interações medicamentosas)

Interações moderadas (4)

  • Ácido fólico (folato)Vitaminas e mineraisModerada

    Initiate supplementation with oral folic acid and intramuscular vitamin B 12 to reduce the severity of hematologic and gastrointestinal toxicity of PEMFEXY. (bula de Pemetrexede, Advertências e precauções)

  • Pemetrexed Clinical Impact : Concomitant use of naproxen and esomeprazole magnesium delayed-release tablets and pemetrexed may increase the risk of pemetrexed-associated myelosuppression, renal, and GI toxicity (see the pemetrexed prescribing information). (bula de Naproxeno + esomeprazol, Interações medicamentosas)

  • PazopanibeModerada

    Clinical trials of VOTRIENT in combination with pemetrexed and lapatinib were terminated early due to increased toxicity and mortality. (bula de Pazopanibe, Advertências e precauções)

  • Vitamina B12Vitaminas e mineraisModerada

    Initiate supplementation with oral folic acid and intramuscular vitamin B 12 to reduce the severity of hematologic and gastrointestinal toxicity of PEMFEXY. (bula de Pemetrexede, Advertências e precauções)

Menções leves (1)

  • …(38% versus 23%), thrombocytopenia (9% versus 5%), febrile neutropenia (9% versus 0.6%), and neutropenic infection (6% versus 0) were higher in patients who received pemetrexed plus cisplatin without vitamin supplementation as compared to patients who were fully supplemented with folic acid and vitamin B 12 prior to and throughout pemetrexed plus cisplatin treatment. (bula de Pemetrexede, Advertências e precauções)

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Não é aconselhamento médico. A gravidade reflete a redação da bula, não as suas circunstâncias. Um alerta “grave” pode ser rotina sob supervisão, e um “leve” pode ser importante em doses altas. Pergunte a um farmacêutico.