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Qutenza

Last reviewed on RxList: 7/31/2020
Drug Description

What is Qutenza and how is it used?

Qutenza (capsaicin) 8% Patch is a manmade version of a naturally occurring compound found in chili peppers used to manage neuropathic pain associated with postherpetic neuralgia (nerve pain following an outbreak of shingles).

What are side effects of Qutenza?

Common side effects of Qutenza Patch include:

  • application site reactions (pain, redness, itching, swelling, burning, dryness, rash or bumps),
  • increased blood pressure,
  • runny or stuffy nose, sore throat,
  • cough,
  • nausea, or
  • vomiting

DESCRIPTION

Qutenza (capsaicin.) 8% patch contains capsaicin in a localized dermal delivery system. The capsaicin in Qutenza is a synthetic equivalent of the naturally occurring compound found in chili peppers. Capsaicin is soluble in alcohol, acetone, and ethyl acetate and very slightly soluble in water.

Qutenza is a single-use patch stored in a foil pouch. Each Qutenza patch is 14 cm x 20 cm (280 cm²) and consists of a polyester backing film coated with a drug-containing silicone adhesive mixture, and covered with a removable polyester release liner.

The backing film is imprinted with “capsaicin 8%”. Each Qutenza patch contains a total of 179 mg of capsaicin (8% in adhesive, 80 mg per gram of adhesive) or 640 micrograms (mcg) of capsaicin per square cm of patch.

The empirical formula is C18H27NO3, with a molecular weight of 305.42. The chemical compound capsaicin [(E)-8-methyl-N-vanillyl-6-nonenamide] is an activating ligand for transient receptor potential vanilloid 1 receptor (TRPV1) and it has the following structure:

FIGURE 1: Structural Formula of Capsaicin

QUTENZA® (capsaicin) Structural Formula Illustration

The patch contains the following inactive ingredients: diethylene glycol monoethyl ether, dimethicone, ethyl cellulose, polyester film, silicone adhesive and white ink.

Qutenza is supplied with a Cleansing Gel which is used to remove residual capsaicin from the skin after treatment. Cleansing Gel consists of the following ingredients: butylated hydroxyanisole, carbomer copolymer, edetate disodium, polyethylene glycol, purified water, and sodium hydroxide.

Indications & Dosage

INDICATIONS

QUTENZA is indicated for the management of neuropathic pain associated with postherpetic neuralgia.

DOSAGE AND ADMINISTRATION

Important Dosage And Administration Instructions

  • Do not dispense QUTENZA to patients for self-administration or handling. Only physicians or health care professionals under the close supervision of a physician are to administer and handle QUTENZA.
  • Unintended exposure to capsaicin can cause severe irritation of eyes, mucous membranes, respiratory tract, and skin in healthcare providers and others [see WARNINGS AND PRECAUTIONS].
  • Because unintended exposure to capsaicin can cause severe irritation of eyes, mucous membranes, respiratory tract, and skin, when administering QUTENZA, it is important to follow these procedures:
    • Administer QUTENZA in a well-ventilated treatment area.
    • Wear only nitrile gloves when handling QUTENZA or any item that makes contact with QUTENZA, and when cleaning capsaicin residue from the skin. Do not use latex gloves as they do not provide adequate protection.
    • Use of a face mask and protective glasses is advisable for healthcare providers.
    • Keep QUTENZA in the sealed pouch until immediately before use.
    • Use QUTENZA only on dry, intact (unbroken) skin.
    • During administration, avoid unnecessary contact with any items in the room, including items that the patient may later have contact with, such as horizontal surfaces and bedsheets.
    • Aerosolization of capsaicin can occur upon rapid removal of QUTENZA. Therefore, remove QUTENZA gently and slowly by rolling the adhesive side inward [see WARNINGS AND PRECAUTIONS].
    • Immediately after use, clean all areas that had contact with QUTENZA and properly dispose of QUTENZA, associated packaging, Cleansing Gel, gloves, and other treatment materials in accordance with local biomedical waste procedures.
    • If QUTENZA is cut, ensure unused pieces are properly disposed of.

Dosing

The recommended dose of QUTENZA is a single, 60-minute application of up to four patches.

Treatment with QUTENZA may be repeated every three months or as warranted by the return of pain (not more frequently than every three months).

Instructions For Use

Prepare

Administer QUTENZA in a well-ventilated treatment area.

Put on nitrile (not latex) gloves. Use of a face mask and protective glasses is advisable for healthcare providers.

Inspect the pouch. Do not use if the pouch has been torn or damaged.

Identify

The treatment area (painful area including areas of hypersensitivity and allodynia) must be identified by a physician and marked on the skin.

Identify - Illustration

If necessary, clip hair (do not shave) in and around the identified treatment area to promote QUTENZA adherence.

QUTENZA can be cut to match the size and the shape of the treatment area. Gently wash the treatment area with mild soap and water and dry thoroughly.

Anesthetize

Pre-treat with a topical anesthetic to reduce discomfort associated with the application of QUTENZA.

Apply topical anesthetic to the entire treatment area and surrounding 1 to 2 cm, and keep the local anesthetic in place until the skin is anesthetized prior to the application of QUTENZA.

Anesthetize - Illustration

Remove the topical anesthetic with a dry wipe. Gently wash the treatment area with mild soap and water and dry thoroughly.

Apply

Tear open the pouch along the three dashed lines, remove the QUTENZA patch.

Inspect the QUTENZA patch and identify the outer surface backing layer with the printing on one side and the capsaicin-containing adhesive on the other side. The adhesive side of QUTENZA is covered by a clear, unprinted, diagonally-cut release liner.

Cut QUTENZA before removing the protective release liner. Ensure that unused pieces do not make contact with other objects and are disposed of appropriately.

The diagonal cut in the release liner is to aid in its removal. Peel a small section of the release liner back, and place the adhesive side of QUTENZA on the treatment area.

While you slowly peel back the release liner from under the QUTENZA with one hand, use your other hand to smooth QUTENZA down on to the skin.

Apply - Illustration

Once QUTENZA is applied, leave in place for 60 minutes.

To ensure QUTENZA maintains contact with the treatment area, a dressing, such as rolled gauze, may be used. Remove the nitrile gloves after the application.

Instruct the patient not to touch QUTENZA or treatment area.

Remove

Put on nitrile (not latex) gloves. Remove QUTENZA by gently and slowly rolling inward.

Remove - Illustration

Cleanse

After removal of QUTENZA, generously apply Cleansing Gel to the treatment area and leave on for at least one minute. Remove Cleansing Gel with a dry wipe and gently wash the area with mild soap and water. Dry thoroughly.

Cleanse - Illustration

Dispose of all treatment materials as described. [see DOSAGE AND ADMINISTRATION]

Inform the patient that the treated area may be sensitive for a few days to heat (e.g., hot showers/baths, direct sunlight, vigorous exercise).

HOW SUPPLIED

Dosage Forms And Strengths

QUTENZA patch contains 8% capsaicin (640 mcg per cm²). Each patch contains a total of 179 mg of capsaicin. Each patch is 14 cm x 20 cm (280 cm²) and consists of an adhesive side containing the active substance and an outer surface backing layer. The adhesive side is covered with a removable, clear, unprinted, diagonally cut, release liner. The outer surface of the backing layer is imprinted with “capsaicin 8%”.

Storage And Handling

QUTENZA (capsaicin) 8% patch is a single-use patch stored in a sealed pouch (NDC 72512-920-00).

Each patch is 14 cm x 20 cm (280 cm²) and consists of an adhesive side containing the active substance and an outer surface backing layer. The adhesive side is covered with a removable, clear, unprinted, diagonally cut, release liner. The outer surface of the backing layer is imprinted with “capsaicin 8%”.

Cleansing Gel is provided in a 50 g tube.

QUTENZA is available in the following presentations:

Carton of 1 patch and 50 g tube of Cleansing Gel (NDC 72512-928-01).
Carton of 2 patches and 50 g tube of Cleansing Gel (NDC 72512-929-01).

Storage

Store carton between 20° to 25°C (68° to 77°F). Excursions between 15°C and 30°C (59°F and 86°F) are allowed.

Keep QUTENZA in the sealed pouch until immediately before use.

Handling And Disposal

Unintended exposure to capsaicin can cause severe irritation of eyes, skin, respiratory tract, and mucous membranes. Wear nitrile (not latex) gloves while administering QUTENZA. Use of a face mask and protective glasses is advisable. Immediately after use, dispose of used and unused QUTENZA, QUTENZA clippings, associated packaging, Cleansing Gel, and all other potentially contaminated treatment supplies in accordance with local biomedical waste procedures [see DOSAGE AND ADMINISTRATION, WARNINGS AND PRECAUTIONS].

Manufactured for Averitas Pharma, Inc., Morristown, NJ 07960, USA by Lohmann Therapie-Systeme AG (LTS), Andernach, Germany. Revised: May 2020

QUESTION

Medically speaking, the term "myalgia" refers to what type of pain? See Answer
Side Effects & Drug Interactions

SIDE EFFECTS

The following serious adverse reactions are discussed elsewhere in the labeling:

  • Severe Irritation Due to Accidental Exposure of Eyes, Skin, Respiratory Tract, and Mucous Membranes]
  • Application-Associated Pain [see WARNINGS AND PRECAUTIONS]
  • Increase in Blood Pressure [see WARNINGS AND PRECAUTIONS]

Clinical Trials Experience

Because clinical trials are conducted under widely varying conditions, adverse reaction rates observed in the clinical trials of a drug cannot be directly compared to rates in the clinical trials of other drugs and may not reflect the rates observed in clinical practice.

Across all controlled and uncontrolled trials, more than 1,600 patients have received QUTENZA. A total of 394 patients received more than one treatment application and 274 patients were followed for 48 weeks or longer.

In controlled clinical studies, 98% of patients completed ≥ 90% of the intended QUTENZA application duration. Among patients treated with QUTENZA, 1% discontinued prematurely due to an adverse event.

Controlled Clinical Studies

Common Adverse Reactions

Adverse reactions occurring in ≥ 5% of patients in the QUTENZA group and at an incidence greater than in the control group were application site erythema, application site pain, application site pruritus and application site papules.

Table 1 summarizes all adverse reactions, regardless of causality, occurring in ≥ 1% of patients with postherpetic neuralgia in the QUTENZA group for which the incidence was greater than in the control group. The majority of application site reactions were transient and self-limited. Transient increases in pain were commonly observed on the day of treatment in patients treated with QUTENZA. Pain increases occurring during QUTENZA application usually began to resolve after QUTENZA removal. On average, pain scores returned to baseline by the end of the treatment day and then remained at or below baseline levels. A majority of QUTENZA-treated patients in clinical studies had adverse reactions with a maximum intensity of “mild” or “moderate”.

TABLE 1: Treatment-emergent adverse reaction incidence (%) in controlled trials in Postherpetic Neuralgia (Events in ≥ 1% of QUTENZA-treated patients and at least 1% greater in the QUTENZA group than in the Control group)

Body System Preferred TermQUTENZA 60 minutes
(N = 622) %
Control 60 minutes
(N = 495) %
General Disorders and Administration Site Conditions
Application Site Erythema6354
Application Site Pain4221
Application Site Pruritus64
Application Site Papules63
Application Site Edema41
Application Site Swelling21
Application Site Dryness21
Infections and Infestations
Nasopharyngitis42
Bronchitis21
Sinusitis31
Gastrointestinal Disorders
Nausea52
Vomiting31
Skin and Subcutaneous Tissue Disorder
Pruritus2< 1
Vascular Disorders
Hypertension21

Other Adverse Reactions Observed During The Clinical Studies Of QUTENZA

General Disorders and Administration Site Conditions: Application site urticaria, Application site paresthesia, Application site dermatitis, Application site hyperesthesia, Application site excoriation, Application site warmth, Application site anesthesia, Application site bruising, Application site inflammation, Application site exfoliation, Application site vesicles, Application site irritation, Peripheral edema

Nervous System Disorders: Headache, Burning sensation, Peripheral sensory neuropathy, Dizziness, Dysgeusia, Hyperesthesia, Hypoesthesia

Respiratory, Thoracic and Mediastinal Disorders: Cough, Throat irritation

Skin and Subcutaneous Tissue Disorders: Abnormal skin odor

Eye disorders: Eye irritation, Eye pain

Postmarketing Experience

Because adverse reactions are reported voluntarily from a population of uncertain size, it is not always possible to reliably estimate their frequency or establish a causal relationship to drug exposure.

The following adverse reactions have been identified during post approval use of QUTENZA: second degree burn and scarring; accidental exposure (including eye pain, cough, eye and throat irritation).

DRUG INTERACTIONS

No clinical drug interaction studies have been performed.

Data from in vitro cytochrome P450 inhibition and induction studies show that capsaicin does not inhibit or induce liver cytochrome P450 enzymes at concentrations which far exceed those measured in blood samples. Therefore, interactions with systemic medicinal products are unlikely.

Warnings & Precautions

WARNINGS

Included as part of the PRECAUTIONS section.

PRECAUTIONS

Severe Irritation With Unintended Capsaicin Exposure

Unintended exposure to capsaicin can cause severe irritation of eyes, mucous membranes, respiratory tract, and skin.

Eye And Mucous Membrane Exposure
  • Do not apply QUTENZA to the face, eyes, mouth, nose, or scalp to avoid risk of exposure to eyes or mucous membranes.
  • Accidental exposure to the eyes and mucus membrane can occur from touching QUTENZA or items exposed to capsaicin and then touching the eyes and mucus membranes.
  • Wear nitrile gloves when administering QUTENZA and avoid unnecessary contact with items in the room, including items that the patient may later have contact with, such as horizontal surfaces and bedsheets.
  • If irritation of eyes or mucous membranes occurs, remove the affect individual from the vicinity of QUTENZA and flush eyes and mucous membranes with cool water.
Respiratory Tract Exposure
  • Aerosolization of capsaicin can occur upon rapid removal of QUTENZA. Therefore, remove QUTENZA gently and slowly by rolling the adhesive side inward [see DOSAGE AND ADMINISTRATION].
  • Inhalation of airborne capsaicin can result in coughing or sneezing. If irritation of airways occurs, remove the affected individual from the vicinity of QUTENZA. Provide supportive medical care if shortness of breath develops.
Skin Exposure
  • If skin not intended to be treated is exposed to QUTENZA, apply Cleansing Gel for one minute and wipe off with dry gauze. After the Cleansing Gel has been wiped off, wash the area with soap and water.
  • Thoroughly clean all areas that had contact with QUTENZA and properly dispose of QUTENZA, associated packaging, Cleansing Gel, gloves, and other treatment materials in accordance with local biomedical waste procedures [see DOSAGE AND ADMINISTRATION].

Application Associated Pain

Even following use of a local anesthetic prior to administration of QUTENZA, patients may experience substantial procedural pain and burning upon application of QUTENZA and following removal of QUTENZA. Prepare to treat acute pain during and following the application procedure with local cooling (such as an ice pack) and/or appropriate analgesic medication.

Increase In Blood Pressure

In clinical trials, increases in blood pressure occurred during or shortly after exposure to QUTENZA. The changes averaged less than 10 mm Hg, although some patients had greater increases and these changes lasted for approximately two hours after QUTENZA removal. Increases in blood pressure were unrelated to the pretreatment blood pressure but were related to treatment-related increases in pain. Monitor blood pressure periodically during and following the treatment procedure and provide adequate support for treatment related pain.

Patients with unstable or poorly controlled hypertension, a recent history of cardiovascular or cerebrovascular events may be at an increased risk of adverse cardiovascular effects. Consider these factors prior to initiating QUTENZA treatment.

Nonclinical Toxicology

Carcinogenesis, Mutagenesis, Impairment Of Fertility

Carcinogenesis

Adequate carcinogenicity studies have not been conducted with QUTENZA or capsaicin.

Mutagenesis

Capsaicin was not mutagenic in the Ames, mouse micronucleus and chromosomal aberration in human peripheral blood lymphocytes assays. As with other catechol-containing compounds (e.g., dopamine), capsaicin showed a weak mutagenic response in the mouse lymphoma assay.

Impairment Of Fertility

A fertility and reproductive toxicology study was conducted in rats with exposure to QUTENZA daily for 3 hours/day beginning 28 days before cohabitation, through cohabitation, and continuing through the day before sacrifice (approximately 49 days of treatment). The results revealed a statistically significant reduction in the number and percent of motile sperm. Sperm motility obtained from the vas deferens was reduced in all capsaicin treatment groups (16, 24 and 32 mg QUTENZA/rat/day). Though a “no effect” level was not determined, dose levels used in the study correspond to a 13-to 28-fold exposure margin over the mean Cmax associated with the maximal human recommended dose. Sperm counts were reduced in the vas deferens or cauda epididymis in the 24 and 32 mg QUTENZA/rat/day dose groups (79 and 69%, respectively) compared to the placebo patch treated control group; however, these reductions did not adversely affect fertility. As this animal model has a large excess of sperm generating capacity relative to the threshold necessary for fertilization, the lack of an effect on fertility in this species is of unknown significance for human risk assessment.

Use In Specific Populations

Pregnancy

Teratogenic Effects

Pregnancy Category B

There are no adequate and well-controlled studies evaluating QUTENZA in pregnant women.

There was no evidence of fetal teratogenicity in embryofetal developmental toxicological studies conducted in pregnant rats and rabbits in which QUTENZA patch (rats) or capsaicin liquid (rabbits) were applied once daily for a 3 hour duration during the period of fetal organogenesis up to doses corresponding to an 11-fold (rat, 32 mg QUTENZA patch/day) and 37-fold (rabbit, 260 mg capsaicin/day) margin over the maximum recommended human dose [MRHD] based on a Cmax exposure comparison.

In a peri-and post-natal reproduction toxicology study, pregnant female rats were treated with QUTENZA patch at doses up to 32 mg QUTENZA/rat/day applied once daily for a 3 hours duration during gestation and lactation (from gestation day 7 through day 28 postpartum). Analyses of milk samples on day 14 of the lactation period demonstrated measurable levels of capsaicin in the dam's milk at all dose levels. There were no effects on survival, growth, learning and memory tests (passive avoidance and water maze), sexual maturation, mating, pregnancy, and fetal development in the offspring of mothers treated with capsaicin up to 32 mg QUTENZA patch/rat/day (corresponding to an 11-fold margin over the MRHD based on Cmax exposure).

Labor And Delivery

The effects of QUTENZA on labor and delivery are unknown.

Nursing Mothers

There are no adequate and well-controlled studies in nursing women. Studies in rat have demonstrated capsaicin is excreted into breast milk of this species. It is unknown whether capsaicin is excreted in human breast milk. Because QUTENZA is administered as a single 60-minute application and capsaicin is rapidly cleared from the bloodstream [see CLINICAL PHARMACOLOGY], mothers can reduce infant exposure by not breast-feeding after treatment on the day of treatment.

Pediatric Use

The safety and effectiveness of QUTENZA in patients younger than 18 years of age have not been studied.

Geriatric Use

In controlled clinical studies of QUTENZA in neuropathic pain associated with postherpetic neuralgia, 75% of patients were 65 years and older and 43% of patients were 75 years and older.

Safety and effectiveness were similar in geriatric patients and younger patients. No dose adjustments are required in geriatric patients.

Overdosage & Contraindications

OVERDOSE

There is no clinical experience with QUTENZA overdose in humans.

There is no specific antidote for overdose with capsaicin. In case of suspected overdose, remove QUTENZA patch gently, apply Cleansing Gel for one minute, wipe off with dry gauze and gently wash the area with soap and water. Use supportive measures and treat symptoms as clinically warranted.

CONTRAINDICATIONS

None.

Clinical Pharmacology

CLINICAL PHARMACOLOGY

Mechanism Of Action

Capsaicin is an agonist for the transient receptor potential vanilloid 1 receptor (TRPV1), which is an ion channel-receptor complex expressed on nociceptive nerve fibers in the skin. Topical administration of capsaicin causes an initial enhanced stimulation of the TRPV1-expressing cutaneous nociceptors that may be associated with painful sensations. This is followed by pain relief thought to be mediated by a reduction in TRPV1expressing nociceptive nerve endings [see CLINICAL PHARMACOLOGY]. Over the course of several months, there may be a gradual re-emergence of painful neuropathy thought to be due to TRPV1 nerve fiber reinnervation of the treated area.

Pharmacodynamics

Two studies evaluated the pharmacodynamic effects of QUTENZA on sensory function and epidermal nerve fiber (ENF) density in healthy volunteers. Consistent with the known pharmacodynamic effects of capsaicin on TRPV1-expressing nociceptive nerve endings, reduced ENF density and minor changes in cutaneous nociceptive function (heat detection and sharp sensation) were noted one week after exposure to QUTENZA. ENF density reduction and sensory changes were fully reversible.

Pharmacokinetics

Pharmacokinetic data in humans showed transient, low (< 5 ng/mL) systemic exposure to capsaicin in about one third of PHN patients following 60-minute applications of QUTENZA. The highest plasma concentration of capsaicin detected was 4.6 ng/mL and occurred immediately after QUTENZA removal. Most quantifiable levels were observed at the time of QUTENZA removal and were below the limit of quantitation 3 to 6 hours after QUTENZA removal. No detectable levels of metabolites were observed in any subject.

Clinical Studies

Postherpetic Neuralgia

The efficacy of QUTENZA, was established in two 12-week, double-blind, randomized, dose-controlled, multicenter studies. These studies enrolled patients with postherpetic neuralgia (PHN) persisting for at least 6 months following healing of herpes zoster rash and a baseline score of 3-9 on an 11-point Numerical Pain Rating Scale (NPRS) ranging from 0 (no pain) to 10 (worst possible pain). QUTENZA and a control patch were each applied as a single 60-minute application. The control used in these studies looked similar to QUTENZA but contained a low concentration of the active ingredient, capsaicin (3.2 mcg/cm², 0.04% w/w) to retain blinding regarding the known application site reactions of capsaicin (such as burning and erythema). The baseline mean pain scores across the 2 studies was approximately 6.0. Patients who entered the study on stable doses of pain-control medications were required to keep dosing stable throughout the duration of the study. Approximately half of the patients were taking concomitant medications including anticonvulsants, non-SSRI antidepressants, or opioids for their PHN at study entry. Prior to study patch application, a topical anesthetic was applied to the treatment area for 60 minutes. Patients were permitted to use local cooling and additional analgesic medications for treatment-related discomfort as needed through Day 5. Patients recorded their pain daily in a diary.

PHN Study 1: In this 12-week study, the QUTENZA group demonstrated a greater reduction in pain compared to the Control group during the primary assessment at Week 8. The percent change in average pain from baseline to Week 8 was -18% (±2%) for the low-dose control and -29% (±2%) for QUTENZA.

For various degrees of improvement in pain from baseline to study endpoint, Figure 2 shows the fraction of patients achieving that degree of improvement. The figure is cumulative, so that patients whose change from baseline is, for example, 50%, are also included at every level of improvement below 50%. Patients who did not complete the study through Week 12 or who showed no improvement at Week 12 were assigned 0% improvement. Some patients experienced a decrease in pain as early as Week 1, which persisted throughout the study. The proportion of patients experiencing ≥ 30% reduction in pain intensity from baseline for each week through Week 12 is shown in Figure 3.

FIGURE 2: Patients Achieving Various Percentages of Reduction in Pain Intensity at Week 12 – Study 1

 Patients Achieving Various Percentages of
Reduction in Pain Intensity at Week 12 – Study 1 - Illustration

FIGURE 3: Weekly Proportion of Patients Achieving ≥ 30% Pain Intensity Reduction – Study 1*

 Weekly Proportion of Patients Achieving
= 30% Pain Intensity Reduction – Study 1* - Illustration

*The same patients may not have responded at each timepoint.

PHN Study 2: In this 12-week study the QUTENZA group demonstrated a greater reduction in pain compared to the Control group during the primary assessment at Week 8. The percent change in average pain from baseline to Week 8 was -26% (±2%) for the low-dose control and -33% (±2%) for QUTENZA.

For various degrees of improvement in pain from baseline to study endpoint, Figure 4 shows the fraction of patients achieving that degree of improvement. The figure is cumulative, so that patients whose change from baseline is, for example, 50%, are also included at every level of improvement below 50%. Patients who did not complete the study through Week 12 or who showed no improvement at Week 12 were assigned 0% improvement. Some patients experienced a decrease in pain as early as Week 1, which persisted throughout the study. The proportion of patients achieving ≥ 30% reduction in pain intensity from baseline for each week through Week 12 is shown in Figure 5.

FIGURE 4: Patients Achieving Various Percentages of Reduction in Pain Intensity at Week 12 – Study 2

Patients Achieving Various Percentages of
Reduction in Pain Intensity at Week 12 – Study 2 - Illustration

FIGURE 5: Weekly Proportion of Patients Achieving ≥ 30% Pain Intensity Reduction – Study 2*

Weekly Proportion of Patients Achieving
= 30% Pain Intensity Reduction – Study 2* - Illustration

*The same patients may not have responded at each timepoint.

Medication Guide

PATIENT INFORMATION

  • Inform patients that accidental exposure to capsaicin from touching QUTENZA or items exposed to capsaicin can cause severe irritation of eyes, mucous membranes, respiratory tract, and skin.
  • Instruct patients not to touch their eyes and other unintended target area and that, if irritation of eyes or airways occurs, or if any of the side effects become severe, to notify their doctor immediately.
  • Inform patients that the treated area may be sensitive to heat (e.g., hot showers/bath, direct sunlight, vigorous exercise) for a few days following treatment.
  • Inform patients that they may be given medication to treat acute pain during and after the QUTENZA application procedure.
  • Inform patients that as a result of treatment-related increases in pain, small transient increases in blood pressure may occur during and shortly after QUTENZA treatment and that blood pressure will be monitored during the treatment procedure. Instruct patients to inform the physician if they have experienced any recent cardiovascular event
  • Instruct patients to notify their physician if they are pregnant or breast feeding.
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