Chemotherapy drugs are essential in the treatment of cancer and have transformed patient survival across many malignancies. However, these same drugs pose some of the most serious occupational hazards encountered in healthcare. From oncology pharmacies and infusion suites to inpatient wards and environmental services, healthcare workers are routinely exposed to substances specifically engineered to disrupt cellular replication and DNA function. Even trace, repeated exposure can result in significant long-term health effects.

Disposable medical gloves are therefore not a simple infection-control accessory; they are a primary chemical barrier in everyday chemotherapy handling. This article explores why chemotherapy drugs are exceptionally hazardous, how exposure occurs during real-world medical treatment, and how nitrile, natural rubber latex, and neoprene disposable gloves are used—within FDA, USP <800>, and ASTM D6978 frameworks—to reduce risk for healthcare professionals.

The Extreme Hazard Profile of Chemotherapy Drugs

Chemotherapy (antineoplastic) drugs are designed to interfere with fundamental cellular

processes such as DNA replication, mitotic spindle formation, and enzyme activity. While this is therapeutically effective against rapidly dividing cancer cells, it also makes these drugs inherently

dangerous to normal human tissue.

Many commonly used chemotherapy agents are classified as hazardous because they exhibit one or more of the following characteristics:

• Carcinogenicity: documented potential to cause cancer

• Mutagenicity and genotoxicity: direct DNA damage that may lead to mutations

• Reproductive toxicity: infertility, spontaneous abortion, or developmental abnormalities

• Organ toxicity at low doses: liver, kidney, bone marrow, or nervous system effects

Unlike acute chemical exposures, occupational chemotherapy exposure often occurs at low doses over long periods, increasing the likelihood of cumulative harm. Importantly, these drugs are hazardous even in diluted or ready-to-administer forms, meaning risk persists throughout preparation, administration, and disposal.

Real-World Exposure During Chemotherapy Treatment

In clinical practice, healthcare workers may encounter chemotherapy drugs during multiple stages of patient care, including:

• Pharmacy compounding and reconstitution

• Priming IV tubing and administration sets

• Direct drug administration in infusion centers or inpatient wards

• Disconnecting lines and handling contaminated supplies

• Managing spills, leaks, or aerosolization

• Cleaning surfaces and disposing of waste

Dermal exposure is one of the most common and underestimated routes of contamination. Critically, chemotherapy drugs can migrate through some glove materials at a molecular level without any visible damage. A glove may look intact yet still allow permeation, making chemical resistance as important as physical integrity.

Why Disposable Gloves Are a Critical Line of Defense

Gloves provide a diffusion barrier between hazardous drug molecules and the skin. Their function extends beyond splash protection to slowing or preventing drug permeation under continuous contact. For gloves used in chemotherapy care, performance depends on:

• Material composition

• Thickness and uniformity

• Exposure duration

• Specific drug chemistry

Standard examination gloves designed for infection prevention may meet microbiological barrier standards but fail to protect against extended chemical exposure. This gap is why chemotherapy gloves are defined by material-specific testing and strict usage protocols, rather than appearance or general glove classification.

Regulatory and Practice Standards Governing Chemotherapy Gloves

FDA Oversight: Medical Device Expectations

In the United States, disposable medical gloves are regulated by the FDA as medical devices. Chemotherapy gloves are typically cleared via the 510(k) process, where manufacturers demonstrate substantial equivalence to legally marketed products. Chemotherapy resistance claims are supported through recognized consensus standards rather than FDA-specific test methods.

For chemotherapy gloves, the most important of these standards is ASTM D6978, which provides the scientific basis for labeling, performance claims, and user confidence.

USP <800>: Connecting Standards to Clinical Practice

USP General Chapter <800> establishes enforceable requirements for hazardous drug handling in healthcare settings and directly links laboratory testing to real-world workflows. Under USP <800>:

• Chemotherapy gloves must be powder-free

• Gloves must be tested for chemotherapy drug permeation

• Testing must comply with ASTM D6978 or its successor

• Double gloving is required for many high-risk activities

• Gloves must be changed at least every 30 minutes, or immediately if torn or contaminated

USP <800> ensures that glove use reflects actual treatment conditions, recognizing that exposure risk depends on both task and duration—not just glove material.

ASTM D6978: Evaluating Glove Resistance Under Worst-Case Conditions

ASTM D6978 is the globally accepted standard for assessing how well medical gloves resist chemotherapy drug permeation. The test evaluates glove materials under continuous contact, simulating high-risk scenarios such as compounding or prolonged administration.

Key measurements include:

• Breakthrough time: when permeation reaches a defined threshold of 0.01ug/cm2 .min

• Comparative performance between glove materials

• Suitability for specific clinical tasks and timeframes

The standard deliberately uses conservative conditions and emphasizes that no glove offers indefinite protection. Proper selection, double gloving, and scheduled glove changes are essential components of effective risk management.

Focus on Disposable Rubber Glove Solutions

Nitrile Gloves: The Clinical and Industry Standard

Nitrile rubber has become the dominant material for chemotherapy gloves in modern healthcare. Its tightly cross-linked polymer structure provides a strong and consistent barrier against many cytotoxic agents, while maintaining durability during clinical use.

Advantages in real-world practice include:

• Strong performance across many chemotherapy drugs when tested to ASTM D6978

• Latex-free composition, eliminating Type I allergy risk

• High puncture resistance and consistent quality

• Compatibility with double gloving protocols

As a result, nitrile gloves are the preferred solution in oncology pharmacies, infusion units, and inpatient chemotherapy care.

Natural Rubber Latex Gloves: Performance with Limitations

Natural rubber latex offers exceptional elasticity and tactile sensitivity, which can be valuable during complex manual tasks such as line manipulation or device connection. Many latex gloves demonstrate effective chemotherapy resistance in permeation testing.

However, their use is increasingly limited by:

• The risk of latex allergy in healthcare workers and patients

• Institutional policies favoring latex-free environments

Latex chemotherapy gloves remain in use only where allergy risks are carefully controlled.

Neoprene (Chloroprene) Gloves: Durability and Chemical Stability

Neoprene, or chloroprene rubber, provides a durable and chemically stable alternative to nitrile and latex. These gloves are often selected for tasks involving extended wear or sustained exposure.

Key strengths include:

• Consistent chemical resistance across diverse agents

• Good mechanical durability

• Latex-free composition

• Reliable performance during prolonged compounding or handling procedures

Neoprene gloves are commonly used in high-risk pharmacy environments.

Chemotherapy Safety in Practice: Layered Protection

In real clinical environments, disposable gloves function as part of a layered safety system, not as a standalone solution. Effective protection includes:

• Biological safety cabinets and closed system transfer devices

• Double gloving and protective gowns

• Task-specific glove selection based on drug toxicity

• Scheduled glove changes informed by ASTM D6978 data

• Training, audits, and compliance monitoring

USP <800> requires facilities to perform documented risk assessments and align PPE selection with actual workflows and exposure profiles.

Chemotherapy drugs are among the most hazardous substances routinely handled in healthcare. Their potential to cause long-term harm makes effective dermal protection non-negotiable. Disposable gloves—particularly those made from nitrile, natural rubber latex, and neoprene—play a vital role in protecting healthcare workers when they are scientifically tested, properly selected, and correctly used.

By aligning FDA medical device regulation, USP <800> practice standards, ASTM D6978 permeation testing, and real-world oncology workflows, healthcare organizations can significantly reduce occupational exposure while continuing to deliver safe and effective cancer treatment.

References

[1] National Institute for Occupational Safety and Health (NIOSH). NIOSH list of antineoplastic and other hazardous drugs in healthcare settings. Updated 2024.

[2] United States Pharmacopeia (USP). USP General Chapter <800>: Hazardous drugs—handling in healthcare settings. USP Compounding Compendium; 2023.

[3] LegalClarity. Hazardous drug PPE requirements under USP <800>. 2026.

[4] ASTM International. ASTM D6978-05 (R2019). Standard practice for assessment of resistance of medical gloves to permeation by chemotherapy drugs.

[6] SATRA Technology Centre. Resistance of gloves to permeation by chemotherapy drugs. 2024.