TM Owner Novartis
Topotecan Injection 4mg/vial (lyophilized powder for reconstitution) Vial
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Indications & Clinical Uses
- Topotecan Injection, as carried on this sheet under a generic-style name with manufacturer Novartis, is sourced here from Novartis's originator brand Hycamtin for Injection (topotecan hydrochloride 4 mg lyophilised powder in a single-dose vial, reconstituted and further diluted before use).
- It is a topoisomerase I inhibitor chemotherapy approved for metastatic ovarian cancer after failure of first-line or subsequent chemotherapy; for small cell lung cancer with platinum-sensitive disease that has relapsed at least 60 days after finishing first-line treatment; and, combined with cisplatin, for stage IV-B, recurrent or persistent cervical cancer not suitable for curative surgery or radiotherapy.
- This Novartis powder-for-reconstitution presentation is a physically different formulation from the ready-to-use liquid topotecan injection concentrate sold at the same '4 mg/4 mL' label strength by other manufacturers such as Teva and Hospira/Pfizer - the powder is stable at controlled room temperature before reconstitution, while the liquid concentrate must be refrigerated.
- Topotecan Injection is given only in a hospital or oncology clinic, by intravenous infusion over 30 minutes; it is never self-administered.
Side Effects
- Topotecan Injection carries a boxed warning for severe myelosuppression: the first cycle should only start if the neutrophil count is at least 1,500/mm3 and the platelet count at least 100,000/mm3, with blood counts monitored closely throughout treatment.
- Neutropenia occurs in most patients and can be severe; low platelet counts and anaemia are also very common.
- Hair loss affects roughly half of patients.
- Nausea, vomiting, fatigue and diarrhoea are frequent but are usually manageable with supportive medicines given alongside each infusion.
- A rare but serious risk is interstitial lung disease, causing cough, fever, breathlessness or low oxygen levels that can be fatal if not recognised early - report new breathing symptoms at once.
- Leakage of the drug outside the vein (extravasation) has generally caused only mild redness or bruising at the infusion site.
Precautions & Warnings
- Topotecan Injection must not be started for a first cycle if the neutrophil count is below 1,500/mm3 or the platelet count below 100,000/mm3; counts are rechecked before every later cycle, with doses adjusted or delayed as needed.
- It can cause fetal harm, including malformations seen in animal studies, so effective contraception is required during treatment, and it should be avoided in pregnancy and breastfeeding.
- The dose is reduced in moderate kidney impairment (creatinine clearance 20-39 mL/min); data are insufficient for severe kidney impairment.
- Caution is advised in liver impairment, although no dose change is usually needed for mild-to-moderate cases.
- If a white-cell growth factor (G-CSF) is given, it should not start until at least 24 hours after the infusion ends.
- The lyophilised powder is reconstituted and diluted by trained staff only, and Topotecan Injection is given only in a hospital or oncology day-unit setting, never as a take-home or self-injected medicine.
Avoid Interactions
- Giving Topotecan Injection together with a platinum chemotherapy drug such as cisplatin on the same day requires lower doses of each than giving them on separate days of the cycle, because the combination increases the risk of severe low blood counts; your oncology team follows a specific dosing sequence.
- Laboratory studies show topotecan does not significantly inhibit the major cytochrome P450 liver enzymes, so no other medicine should be assumed safe to combine with it without checking first.
- Avoid live vaccines during treatment because of chemotherapy-related immune suppression.
- If G-CSF is used, start it at least 24 hours after the infusion finishes, to avoid worsening neutropenia.
- Tell your care team about every prescription, over-the-counter medicine, herbal remedy and supplement you take before and during treatment.
References
Frequently Asked Questions
Topotecan Injection (topotecan hydrochloride) treats ovarian cancer that has come back after chemotherapy, small cell lung cancer that has progressed after treatment, and, with cisplatin, advanced cervical cancer. This content is based on Novartis's Hycamtin, the originator topotecan-for-injection brand, at 4 mg per vial.
Topotecan Injection is a powder that a pharmacist reconstitutes and dilutes, then gives as an intravenous infusion over 30 minutes, once daily for several days, repeated every 3 weeks. It is only given in a hospital or clinic by a cancer care team, never self-administered.
Topotecan Injection's boxed warning is severe myelosuppression - low white cells, platelets and red cells - so blood counts are checked before every cycle. Hair loss, nausea, vomiting, fatigue and diarrhoea are also common. Rarely, it causes interstitial lung disease; report new cough, fever or breathlessness right away.
Avoid live vaccines during Topotecan Injection treatment, since it suppresses the immune system. Effective contraception is needed, because topotecan can harm an unborn baby. If you also need a white-cell growth factor (G-CSF), it should start at least 24 hours after your infusion ends.
Before every cycle, neutrophil and platelet counts are checked; the first cycle only starts if neutrophils are at least 1,500/mm3 and platelets at least 100,000/mm3. Later cycles are delayed or dose-reduced if counts are too low, to lower infection and bleeding risk.
Not physically. This sheet's Novartis-sourced Topotecan Injection is a freeze-dried powder reconstituted before use and stored at room temperature, unlike the ready-to-use refrigerated liquid topotecan concentrate sold by some other manufacturers. Check which presentation is on your prescription and pharmacy label before assuming storage or handling is identical.
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