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Carboplatin

Carboplatin is a type of chemotherapy drug that is highly effective for treating patients with mesothelioma. As an anticancer drug, carboplatin stops mesothelioma cells from replicating, which kills them off and slows down cancer growth. Carboplatin is often combined with another chemotherapy drug called Alimta for maximum effectiveness.

Fact-Checked and Updated by: Jenna Tozzi, RN

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What Is Carboplatin?

Carboplatin is a chemotherapy drug often sold under the brand name Paraplatin and Paraplatin NovaPlus. Carboplatin, a derivative of cisplatin, was discovered in the 1970s by two scientists who were tasked with creating a new chemotherapy drug with the same benefits of cisplatin but less side effects.

A doctor talks with her patient about mesothelioma treatment options

The U.S. Food and Drug Administration approved the drug in 1989. More than five decades after its creation, carboplatin remains one of the most effective chemotherapy drugs and is valued for being less toxic than cisplatin.

Oncologists mainly use carboplatin to treat ovarian cancer. However, they also use carboplatin to treat different types of cancer, including mesothelioma and lung cancer.

How Is Carboplatin Administered?

Carboplatin is typically administered by an intravenous (IV) injection into the bloodstream through a drip in the arm or hand.

In some cases, carboplatin chemo is used for hyperthermic intraperitoneal chemotherapy (HIPEC). HIPEC is a cancer treatment in which a patient’s organs are bathed in heated chemotherapy to kill microscopic cells left behind after mesothelioma surgery.

A procedure known as cytoreduction surgery with HIPEC is used to treat patients with peritoneal mesothelioma.

The treatment cycle for carboplatin is usually 21 days. In most cases, the drug is administered for about an hour on the day of treatment, with no additional chemotherapy for the next 20 days.

At the end of the cycle, a new cycle may begin that once again involves a single dose of carboplatin for the duration of the treatment cycle.

Mesothelioma treatments like chemotherapy have helped many patients extend their lives. Read about 7 mesothelioma patients and the treatments they underwent that helped them become mesothelioma survivors in our Free Mesothelioma Survivors Guide.

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How Does Carboplatin Treat Mesothelioma?

Carboplatin treats mesothelioma by attacking cancer cells at a genetic level. Mesothelioma occurs when cancer cells multiply throughout the body. Carboplatin attempts to interfere with that multiplication by altering the cells’ DNA.

Cellular DNA is comprised of two individual DNA strands that tell a cell how to behave and multiply. Many anticancer agents work by damaging each of those individual DNA strands, which the cells then have to repair.

Carboplatin takes that process one step farther and cross-links the two damaged strands together. This makes it much harder for the cell to repair itself.

Unfortunately, carboplatin doesn’t only attack cancer cells. Because it seeks out cells that reproduce quickly, it’s notorious for damaging healthy red blood cells and white blood cells. The good news is that these cells typically return to their regular levels 28 days after a patient receives carboplatin.

Carboplatin Drug Combinations

Carboplatin is most commonly combined with pemetrexed, which is known by its brand name Alimta.

Carboplatin and pemetrexed have been proven to be more effective in fighting mesothelioma than either drug alone. Carboplatin’s platinum base essentially super boosts the positive effects of pemetrexed.

However, pemetrexed and cisplatin have better results than pemetrexed and carboplatin. For this reason, carboplatin is typically used when a patient may not be able to endure the harsher cisplatin.

Studies have suggested that carboplatin be used instead of cisplatin to treat elderly patients and people with other health problems because it is not as toxic.

Carboplatin has also been combined with gemcitabine. This coupling has been nicknamed “GemCarbo.” Gemcitabine and carboplatin have proven to be as effective as pemetrexed and carboplatin in fighting cancer.

The downside is that gemcitabine has a higher toxicity than pemetrexed, which is why most oncologists favor the pemetrexed combination.

Mesothelioma treatments have allowed many patients to outlive what is typically a dire diagnosis. Read about 7 mesothelioma patients and the treatments they received that helped them become survivors in our Free Mesothelioma Survivors Guide.

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Carboplatin Clinical Trials

Currently, carboplatin is being studied in various clinical trials. A December 2022 search of the database clinicaltrials.gov revealed more than a dozen clinical studies involving carboplatin for the treatment of mesothelioma that were accepting patients or active but not yet recruiting patients.

In some studies, carboplatin (and sometimes pemetrexed) are used as a baseline to test against new therapies. Because carboplatin is considered one of the better chemotherapy agents to fight mesothelioma, scientists make comparisons against it when improving chemotherapy drugs and other mesothelioma treatments.

One Phase 2 clinical trial tested the pemetrexed and carboplatin combination alongside TTFields, a device used in alternating electric field therapy. The study attempted to determine whether delivering electrical fields to a mesothelioma tumor can help destroy it.

The researchers concluded that the trial showed “encouraging overall survival results, with no increase in systemic toxicity.” They called TTFields with pemetrexed coupled with carboplatin or cisplatin “an active and safe combination for front-line treatment of unresectable malignant pleural mesothelioma” but said more study is needed.

The Phase 2 results were published in December 2019 in The Lancet Oncology.

Another trial is reviewing pemetrexed and cisplatin, with the option to substitute for carboplatin after the first cycle, in combination with an antibody called durvalumab. Durvalumab is a checkpoint inhibitor that works by blocking molecular interactions required for normal cell growth and death cycles.

Getting treatment for mesothelioma? Use our Free Doctor Match to get connected with mesothelioma specialists in your area.

Carboplatin Side Effects

Carboplatin is often favored over cisplatin, a similar platinum-based chemotherapy drug, because carboplatin has fewer side effects.

Did You Know?

Some people taking carboplatin don’t experience any side effects.

However, carboplatin is still an aggressive cancer-fighting drug with possible side effects.

Common carboplatin side effects include:

  • Fatigue
  • Hair loss
  • Low blood cell counts
  • Low magnesium levels
  • Vomiting

About 30% of mesothelioma patients reported the above side effects.

Low blood cell counts occur when carboplatin attacks red and white blood cells along with cancer cells. Blood cell counts are typically at their lowest about 21 days after receiving the chemo drug. They usually return to normal levels within 28 days.

Some less common carboplatin side effects include:

  • Abdominal pain
  • Constipation
  • Diarrhea
  • Hearing loss
  • Infection
  • Kidney problems
  • Mouth sores

These side effects have been recorded in 10-29% of patients receiving carboplatin.

Some patients experience peripheral neuropathy, a serious side effect that results in decreased sensation in the legs or arms.

Signs of an allergic reaction to carboplatin include shortness of breath and a sore throat that does not go away.

In most cases, carboplatin side effects are not life-threatening.

Your oncology team will order medical tests such as blood counts and kidney function tests to look for possible side effects.

Like many chemotherapy drugs, the timing and severity of carboplatin’s side effects are predictable.

People who have undergone chemotherapy for mesothelioma know what it’s like to deal with the side effects. Read how 7 mesothelioma survivors dealt with the challenges of treatment in our Free Mesothelioma Survivors Guide. 

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Patients who experience side effects of any kind are encouraged to report them to their health care provider, who can provide guidance on normal versus abnormal reactions.

Mesothelioma Hope is here to help — and provide hope — at this difficult time.

Our Free Mesothelioma Survivors Guide offers inspiration and advice to anyone battling this terrible disease. Request your copy right now.

Carboplatin FAQs

What is the most common side effect of carboplatin?

The most common side effect of carboplatin is pain at the site of injection, according to Mayo Clinic.

Some other common carboplatin side effects are:

  • Fatigue
  • Hair loss
  • Low blood cell counts
  • Low magnesium levels
  • Vomiting

Carboplatin chemo is known for having milder side effects than cisplatin, another chemo drug used to treat mesothelioma.

Some people who are given carboplatin do not have any side effects at all.

Will I lose my hair on carboplatin?

Some people lose their hair while being treated with carboplatin.

However, this side effect is usually temporary. Your hair should grow back after your treatment has ended.

What cancers are treated with carboplatin?

Carboplatin is used to treat mesothelioma and other types of cancer, including:

  • Bladder cancer
  • Breast cancer
  • Head and neck cancer
  • Lung cancer
  • Ovarian cancer
Jenna TozziWritten by:

Director of Patient Advocacy

Jenna Tozzi, RN, is the Director of Patient Advocacy at Mesothelioma Hope. With more than 15 years of experience as an adult and pediatric oncology nurse navigator, Jenna provides exceptional guidance and support to mesothelioma patients and their loved ones. Jenna has been featured in Oncology Nursing News and is a member of the Academy of Oncology Nurse & Patient Navigators & the American Nurses Association.

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References
  1. Chemocare. “Carboplatin.” Retrieved from http://chemocare.com/chemotherapy/drug-info/carboplatin.aspx. Accessed on December 13, 2022.

  2. Brazilian Journal of Pharmaceutical Sciences. “Carboplatin: molecular mechanisms of action associated with chemoresistance“ Retrieved from http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-82502014000400693. Accessed on December 13, 2022.

  3. The Institute of Cancer Research. “Discovering early chemotherapy drugs.” Retrieved from https://www.icr.ac.uk/about-us/our-achievements/our-scientific-discoveries/we-discovered-chemotherapeutic-agents-which-are-still-in-use-more-than-50-years-later. Accessed on December 13, 2022.

  4. U.S National Library of Medicine. “Safety and Efficacy of TTFields (150 kHz) Concomitant With Pemetrexed and Cisplatin or Carboplatin in Malignant Pleural Mesothelioma (STELLAR).” Retrieved from https://clinicaltrials.gov/ct2/show/NCT02397928. Accessed on December 13, 2022.

  5. Ceresoli GL, Aerts JG, Dziadziuszko R, Ramlau R, Cedres S, van Meerbeeck JP, Mencoboni M, Planchard D, Chella A, Crinò L, Krzakowski M, Rüssel J, Maconi A, Gianoncelli L, Grosso F. Tumour Treating Fields in combination with pemetrexed and cisplatin or carboplatin as first-line treatment for unresectable malignant pleural mesothelioma (STELLAR): a multicentre, single-arm phase 2 trial. Lancet Oncology. 2019 Dec;20(12):1702-1709. doi: 10.1016/S1470-2045(19)30532-7. Retrieved from: https://pubmed.ncbi.nlm.nih.gov/31628016/. Accessed on December 13, 2022.

  6. Mayo Clinic. “Carboplatin (Intravenous Route).” Retrieved from: https://www.mayoclinic.org/drugs-supplements/carboplatin-intravenous-route/side-effects/drg-20062578. Accessed on December 13, 2022.

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