12 Min Read
Last Updated: 04/25/2024
Fact Checked

Written by Karen Selby, RN | Medically Reviewed By Dr. Jeffrey Velotta | Edited By Walter Pacheco

What Are Mesothelioma Drugs?

Many different types of anti-cancer drugs have been tested on mesothelioma with varying degrees of success. Traditional chemotherapy remains the most effective option. Ongoing clinical trials investigate other drugs to find more effective medications for mesothelioma.

The different types of anti-cancer drugs tested against mesothelioma include:

  • Chemotherapy
  • Immunotherapy
  • Targeted therapy
  • Photodynamic therapy
  • Hormone therapy

Any anti-cancer drug is technically considered a form of chemotherapy. The difference between it and other anti-cancer drugs is that chemotherapy kills cancer cells. Others block cancer cells from growing or spreading.

Patients can try drugs not approved by the U.S. Food and Drug Administration. They may do so through clinical trials and compassionate-use programs.

FDA-Approved Medications for Mesothelioma

  • Pemetrexed Disodium (Alimta)
  • Ipilimumab (Yervoy)
  • Nivolumab (Opdivo)

These medications may be used in combination with treatments such as surgery and radiation therapy. This combination approach is called multimodal therapy. It attacks the cancer in multiple ways for the best chance of killing cancer cells and shrinking tumors.

Advice from a Mesothelioma Survivor

Before starting any medication, discuss it thoroughly with your mesothelioma oncologist. Ask these questions:

  • What side effects have their patients experienced on that drug?
  • Is there an option for a reduced dose if adverse effects are too much?
  • Will taking a particular medication disqualify you from other treatments or clinical trials?
  • What’s the backup plan if the drug doesn’t work?

I can’t stress enough how important it is to do your own research. Keep a journal or notebook of drugs and treatments your doctor mentions to look into more when you get home. You must weigh the pros and cons of each option.

Emily Ward
Pleural Mesothelioma Survivor and Retired Nurse

Chemotherapeutic Medications

Chemotherapy is one of the most common treatments for any cancer, including mesothelioma. In spite of its well-known side effects, chemotherapy is one of the best mesothelioma treatment options. These drugs seek out and attack cells, including cancer cells, which are rapidly dividing.

The most common chemotherapy medications for mesothelioma include:

A combination of cisplatin and pemetrexed is most effective for the majority of mesothelioma patients. This combination is the most common first-line chemotherapy for people with mesothelioma. If the drugs aren’t tolerated well or aren’t highly effective, second-line chemotherapy may be recommended. Second-line chemotherapy drugs include carboplatin, gemcitabine, vinorelbine (Navelbine) or doxorubicin.

Most chemotherapy drugs are synthetic, but Navelbine is actually semi-synthetic. Part of the drug is extracted from a flowering plant known as periwinkle. Patients get Navelbine alone or in combination with another chemotherapy drug such as cisplatin.

Common Side Effects of Chemotherapy Drugs

These are powerful drugs that may disrupt digestion. Some patients report stomach pain, nausea and irregular stools. Medications are available to control these side effects. Patients who develop certain side effects should immediately contact their physician. These include fever, chills, rash, swollen ankles and blood in their urine.

Doctors say the most typical side effects of mesothelioma chemotherapy drugs include:

  • Hair Loss
  • Fatigue
  • Nausea
  • Impaired vision or hearing
  • Bruising
  • Bleeding

Drug-to-Drug Interactions

The kidneys clear chemotherapy medications from your blood and prevent toxicity. The chemotherapy drugs pemetrexed, cisplatin and carboplatin are potentially harmful for your kidneys. This risk is intensified if you take certain medications at the same time, including:

  • Nonsteroidal anti-inflammatory drugs (NSAIDs) such as aspirin, ibuprofen (Advil, Motrin) and naproxen (Aleve).
  • Certain antibiotics such as vancomycin (Vancocin), neomycin and gentamicin (Gentak).
  • Antiviral and antiretroviral drugs such as foscarnet (Foscavir), tenofovir (Viread) and atazanavir (Retataz).
  • Certain osteoporosis drugs such as zoledronate (Zometa, Reclast).

This list is not all-inclusive. Many medications can cause kidney damage in combination with chemotherapy for mesothelioma. The safest thing to do is ask the doctor who prescribed the chemotherapy what medications will be safe to take during treatment.

Alert your doctor immediately if you experience symptoms of kidney damage. Signs include little or no urination, abdominal swelling or rapid weight gain.

Other types of drugs can be dangerous for mesothelioma patients receiving chemotherapy. Vitamin B6 supplements and certain seizure medications can interact negatively with cisplatin.

Chemotherapy patients are strongly advised not to receive live vaccines. Examples include the shingles vaccine or the nasal flu vaccine. The injectable flu shots are inactivated, and your doctor may advise you to have that injection every year.

Immunotherapy Drugs

Immunotherapy agents enhance a patient’s immune system and help the body to attack cancer cells. The immune system often does not recognize cancer cells as unhealthy cells. But with the addition of immunotherapy medications, the immune system may begin fighting the cancer.

Interferons and interleukin-12 also have been studied for the treatment of malignant mesothelioma.

Diagram showing white blood cells attacking a tumor because of help from immunotherapy drugs.
Click to Expand


CRS-207 is an immunotherapy vaccine derived from a bacterium. It is in a phase I mesothelioma trial. Preliminary results became available in 2016 that showed 94% of participants responded to the drug. Tumor shrinkage happened for 85% of participants and 35% saw no new tumor growth. Clinical trials of CRS-207 in mesothelioma are ongoing and promising.


Amatuximab (also known as MORAb-009) is an immunotherapy drug that was tested on mesothelioma patients. Despite promising results in the phase I trial, the phase II trial failed to warrant further study. The overall median survival was 14.8 months. However, a 2021 study of Amatuximab showed successful inhibition of cancer cells in the peritoneum.

I guess I’m an anomaly. I’m doing great right now. I really am. I don’t look like a stage 4 cancer patient.
Andy A.
Pleural mesothelioma survivor and amatuximab patient diagnosed in 2010


To date, an ongoing phase I study of SS1P in people with pleural mesothelioma has reported a partial tumor response in 12 out of 20 participants.

Immunotherapy drugs are appealing because they have milder side effects than chemotherapy.

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Targeted Therapy Drugs

Targeted therapy is a growing field in cancer treatment that targets specific molecular changes involved in cancer cell development, growth, metastasis and death. While chemotherapy affects healthy and cancerous cells, targeted therapy is designed to only affect cancerous cells.


NGR-hTNF is a targeted therapy drug that is currently in phase III trials to determine its efficacy as a management therapy for people with recurring mesothelioma. In the phase II trial, overall survival was 12 months among patients formerly treated with pemetrexed chemotherapy. The phase III trial is ongoing and current data shows an overall survival of 11.7 months among certain patients. This preliminary data offers hope for more effective second-line therapy for recurring mesothelioma that will buy patients more time.


This targeted drug blocks heat shock protein 90, a protein that promotes mesothelioma cell growth. A phase I and II clinical trial of ganetespib in pleural mesothelioma patients is ongoing in the U.K. The trial is testing ganetespib as an ongoing maintenance therapy after combination treatment with ganetespib and chemotherapy.


This drug targets EZH2, an enzyme that helps mesothelioma cancer cells to grow and divide. The drug seems to work best in patients with the BAP-1 gene mutation, which is present in 60% of mesothelioma cases. Two clinical trials are investigating tazemetostat in mesothelioma patients. The first accepts participants with or without the BAP-1 mutation. The second only includes mesothelioma patients with a BAP-1 mutation.


Another form of targeted therapy that was tested in clinical trials on mesothelioma patients is the drug ranpirnase (Onconase). The drug is among the few therapies that progressed all the way to a phase III clinical trial. Though early results were promising, preliminary phase IIIb clinical trial results showed that Onconase did not improve overall survival enough for the FDA to award approval.

Following the Onconase trials, mesothelioma researchers — among them Dr. Michele Carbone and Dr. Harvey Pass — performed a study on mesothelioma cell lines in 2011 to see whether Onconase could be more effective in mesothelioma patients with low levels of the protein kinase enzyme Akt. Results from the study suggest that Onconase could provide slight therapeutic benefit to that group, though no further studies have been conducted to investigate this potential in humans.

Another study tested the combination of Onconase and an anti-malarial drug in test tubes and in mice with mesothelioma. This 2016 Chinese study showed a significant decrease in tumors and an anti-angiogenesis effect. Further research is necessary to test this effect in humans.

Anti-Angiogenesis Drugs

Scientists continue the search for effective drugs to help prevent angiogenesis, a normal function that allows the body to heal itself by creating new blood vessels. The process also builds vessels to tumors, feeding them with a fresh supply of blood and allowing them to grow and spread.

Researchers believe that stopping this process may be the key to stopping the aggressive nature of mesothelioma, not to mention the spread of many other types of cancer. Angiogenesis also is a necessary precursor to metastasis, which is the process of cancer cells spreading from one area of the body to another.

Drugs that could inhibit the formation of new blood vessels to tumors are called anti-angiogenesis drugs or angiogenesis inhibitors. An example of an anti-angiogenesis agent is bevacizumab. Without blood vessels to bring nutrients, the cancer cells are unable to divide and spread, and eventually die. Stopping angiogenesis is not the hard part. The hard part is stopping angiogenesis related to cancer without hindering the body’s natural ability to heal itself. This is extremely difficult and is at the center of considerable research.

Combined with other treatments, such as chemotherapy and radiation, angiogenesis inhibitors are extending life among certain mesothelioma patients in clinical trials. They don’t seem to work consistently in everyone, but some mesothelioma patients have lived years longer because of these drugs. For example, Avastin, thalidomide, sorafenib and cediranib have improved survival rates for certain mesothelioma patients in clinical trials.


Prior studies of Avastin, also known as bevacizumab, in mesothelioma clinical trials produced inconsistent results among participants. Some patients responded well, others not at all. However, a 2015 French study tested the drug on hundreds of mesothelioma patients in combination with chemotherapy and reported an overall survival of 18.8 months. Average survival is around 12 months with chemotherapy alone.

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How Do These Drugs Work?

Angiogenesis occurs by means of a complex “signaling cascade” in which cells communicate messages via proteins. Anti-angiogenesis drugs interfere with this process in one of three ways, each corresponding to a specific step of the cascade. This class of drugs is technically considered a form of targeted therapy.

The first step of the angiogenesis process makes room for new endothelial cells, which are located on the outer lining of blood vessels. In this step, endothelial cells break down placeholder material, called the extracellular matrix, surrounding the cells.

Cancer cells trigger this process to create space for a new blood vessel to branch off an existing one toward a tumor. When anti-angiogenesis drugs inhibit this process, new cells have no room to form blood vessels, preventing the angiogenesis cascade.

Side Effects of Anti-Angiogenesis Drugs

Anti-angiogenesis drugs tend to cause fewer and milder side effects than chemotherapy. Whereas chemotherapy drugs attack quickly dividing cells even if they are healthy, anti-angiogenesis drugs don’t affect most healthy cells.

The downside is that because angiogenesis occurs when wounds are healing, these drugs complicate the healing process and may lead to excessive bleeding. Patients may also develop blood clots in the arteries, internal bleeding or a hole in the digestive tract.

Overall, angiogenesis-targeting therapies have a low risk of major side effects, while showing good results in preventing mesothelioma metastasis.

Photodynamic Therapy Drugs

Photodynamic therapy is a two-step treatment procedure that uses photosensitizing drugs to make cancer cells vulnerable to light and then uses light to destroy the cancer cells. For mesothelioma patients, the photosensitizer is almost always porfimer sodium (Photofrin), which is also used in other cancers like esophageal cancer.

Researchers are testing photodynamic therapy in pleural mesothelioma patients and discovered it improved survival times. The treatment is still in development for peritoneal mesothelioma while doctors search for an effective means of administering light to the abdominal cavity. The treatment commonly causes light sensitivity for about six weeks, which may result in burning, swelling or scarring.

The Future of Mesothelioma Drugs

The landscape of new mesothelioma treatments is constantly evolving.

Oncologists say the future of all cancer treatment is personalization. The one-size-fits-all approach is a thing of the past. In the future, doctors will examine your genes, the DNA in your tumors and biomarkers in your blood to decipher which drugs will directly target your cancer.

To get there, mesothelioma clinical trials need more participants. Consider speaking with your oncologist about which trials are right for you.

Mesothelioma can be a frightening reality to be faced with. The chance of recovery may seem grim… But do not give up on life. You still can get through with a faith in God.
Karen F.
Peritoneal mesothelioma survivor diagnosed in 2015

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