Duloxetine Hydrochloride (Page 5 of 16)

6.2 Adverse Reactions Reported as Reasons for Discontinuation of Treatment in Adult Placebo-Controlled Trials

Major Depressive Disorder — Approximately 8.4% (319/3779) of the patients who received duloxetine in placebo-controlled trials for MDD discontinued treatment due to an adverse reaction, compared with 4.6% (117/2536) of the patients receiving placebo. Nausea (duloxetine 1.1%, placebo 0.4%) was the only common adverse reaction reported as a reason for discontinuation and considered to be drug-related (i.e., discontinuation occurring in at least 1% of the duloxetine-treated patients and at a rate of at least twice that of placebo).

Generalized Anxiety Disorder — Approximately 13.7% (139/1018) of the patients who received duloxetine in placebo-controlled trials for GAD discontinued treatment due to an adverse reaction, compared with 5.0% (38/767) for placebo. Common adverse reactions reported as a reason for discontinuation and considered to be drug-related (as defined above) included nausea (duloxetine 3.3%, placebo 0.4%), and dizziness (duloxetine 1.3%, placebo 0.4%).

Diabetic Peripheral Neuropathic Pain — Approximately 12.9% (117/906) of the patients who received duloxetine in placebo-controlled trials for DPNP discontinued treatment due to an adverse reaction, compared with 5.1% (23/448) for placebo. Common adverse reactions reported as a reason for discontinuation and considered to be drug-related (as defined above) included nausea (duloxetine 3.5%, placebo 0.7%), dizziness (duloxetine 1.2%, placebo 0.4%), and somnolence (duloxetine 1.1%, placebo 0.0%).

Chronic Pain due to Osteoarthritis — Approximately 15.7% (79/503) of the patients who received duloxetine in 13-week, placebo-controlled trials for chronic pain due to OA discontinued treatment due to an adverse reaction, compared with 7.3% (37/508) for placebo. Common adverse reactions reported as a reason for discontinuation and considered to be drug-related (as defined above) included nausea (duloxetine 2.2%, placebo 1.0%).

Chronic Low Back Pain — Approximately 16.5% (99/600) of the patients who received duloxetine in 13-week, placebo-controlled trials for CLBP discontinued treatment due to an adverse reaction, compared with 6.3% (28/441) for placebo. Common adverse reactions reported as a reason for discontinuation and considered to be drug-related (as defined above) included nausea (duloxetine 3.0%, placebo 0.7%), and somnolence (duloxetine 1.0%, placebo 0.0%).

6.3 Most Common Adult Adverse Reactions

Pooled Trials for all Approved Indications — The most commonly observed adverse reactions in duloxetine-treated patients (incidence of at least 5% and at least twice the incidence in placebo patients) were nausea, dry mouth, somnolence, constipation, decreased appetite, and hyperhidrosis.

Diabetic Peripheral Neuropathic Pain — The most commonly observed adverse reactions in duloxetine-treated patients (as defined above) were nausea, somnolence, decreased appetite, constipation, hyperhidrosis, and dry mouth.

Chronic Pain due to Osteoarthritis — The most commonly observed adverse reactions in duloxetine-treated patients (as defined above) were nausea, fatigue, constipation, dry mouth, insomnia, somnolence, and dizziness.

Chronic Low Back Pain — The most commonly observed adverse reactions in duloxetine-treated patients (as defined above) were nausea, dry mouth, insomnia, somnolence, constipation, dizziness, and fatigue.

6.4 Adverse Reactions Occurring at an Incidence of 5% or More Among Duloxetine-Treated Patients in Adult Placebo-Controlled Trials

Table 2 gives the incidence of treatment-emergent adverse reactions in placebo-controlled trials for approved indications that occurred in 5% or more of patients treated with duloxetine and with an incidence greater than placebo.

Table 2: Treatment-Emergent Adverse Reactions: Incidence of 5% or More and Greater than Placebo in Placebo-Controlled Trials of Approved Indicationsa

a The inclusion of an event in the table is determined based on the percentages before rounding; however, the percentages displayed in the table are rounded to the nearest integer.

b Also includes asthenia.

c Events for which there was a significant dose-dependent relationship in fixed-dose studies, excluding three MDD studies which did not have a placebo lead-in period or dose titration.

d Also includes initial insomnia, middle insomnia, and early morning awakening.

e Also includes hypersomnia and sedation.

f Also includes abdominal discomfort, abdominal pain lower, abdominal pain upper, abdominal tenderness, and gastrointestinal pain.

Percentage of Patients Reporting Reaction
Adverse Reaction Duloxetine ( N = 8100 ) Placebo ( N = 5655 )
Nauseac 23 8
Headache 14 12
Dry mouth 13 5
Somnolencee 10 3
Fatigueb , c 9 5
Insomniad 9 5
Constipationc 9 4
Dizzinessc 9 5
Diarrhea 9 6
Decreased appetitec 7 2
Hyperhidrosisc 6 1
Abdominal painf 5 4

6.5 Adverse Reactions Occurring at an Incidence of 2% or More Among Duloxetine-Treated Patients in Adult Placebo-Controlled Trials

Pooled MDD and GAD Trials — Table 3 gives the incidence of treatment-emergent adverse reactions in MDD and GAD placebo-controlled trials for approved indications that occurred in 2% or more of patients treated with duloxetine and with an incidence greater than placebo.

Table 3: Treatment-Emergent Adverse Reactions: Incidence of 2% or More and Greater than Placebo in MDD and GAD Placebo-Controlled Trialsa , b

a The inclusion of an event in the table is determined based on the percentages before rounding; however, the percentages displayed in the table are rounded to the nearest integer.

b For GAD, there were no adverse events that were significantly different between treatments in adults ≥65 years that were also not significant in the adults <65 years.

c Events for which there was a significant dose-dependent relationship in fixed-dose studies, excluding three MDD studies which did not have a placebo lead-in period or dose titration.

d Also includes abdominal pain upper, abdominal pain lower, abdominal tenderness, abdominal discomfort, and gastrointestinal pain

e Also includes asthenia

f Also includes hypersomnia and sedation

g Also includes initial insomnia, middle insomnia, and early morning awakening

h Also includes feeling jittery, nervousness, restlessness, tension and psychomotor hyperactivity

i Also includes loss of libido

j Also includes anorgasmia

System Organ Class / Adverse Reaction Percentage of Patients Reporting Reaction
Duloxetine ( N = 4797 ) Placebo ( N = 3303 )
Cardiac Disorders Palpitations 2 1
Eye Disorders Vision blurred 3 1
Gastrointestinal Disorders
Nauseac 25 8
Dry mouth 14 6
Constipationc 9 4
Diarrhea 9 6
Abdominal paind 5 4
Vomiting 4 2
General Disorders and Administration Site Conditions Fatiguee 9 5
Metabolism and Nutrition Disorders Decreased appetitec 6 2
Nervous System Disorders Headache 14 14
Dizzinessc 9 5
Somnolencef 9 3
Tremor 3 1
Psychiatric Disorders
Insomniag 9 5
Agitationh 4 2
Anxiety 3 2
Reproductive System and Breast Disorders
Erectile dysfunction 4 1
Ejaculation delayedc 2 1
Libido decreasedi 3 1
Orgasm abnormalj 2 <1
Respiratory , Thoracic , and Mediastinal Disorders Yawning 2 <1
Skin and Subcutaneous Tissue Disorders Hyperhidrosis 6 2

DPNP, another indication, OA, and CLBP — Table 4 gives the incidence of treatment-emergent adverse events that occurred in 2% or more of patients treated with duloxetine (determined prior to rounding) in the premarketing acute phase of DPNP, another indication, OA, and CLBP placebo-controlled trials and with an incidence greater than placebo.

Table 4: Treatment-Emergent Adverse Reactions: Incidence of 2% or More and Greater than Placebo in DPNP, Another Indication, OA and CLBP Placebo-Controlled Trialsa

a The inclusion of an event in the table is determined based on the percentages before rounding; however, the percentages displayed in the table are rounded to the nearest integer.

b Incidence of 120 mg/day is significantly greater than the incidence for 60 mg/day.

c Also includes abdominal discomfort, abdominal pain lower, abdominal pain upper, abdominal tenderness and gastrointestinal pain

d Also includes asthenia

e Also includes myalgia and neck pain

f Also includes hypersomnia and sedation

g Also includes hypoaesthesia, hypoaesthesia facial, genital hypoaesthesia and paraesthesia oral

h Also includes initial insomnia, middle insomnia, and early morning awakening.

i Also includes feeling jittery, nervousness, restlessness, tension and psychomotor hyperactivity

j Also includes ejaculation failure

k Also includes hot flush

l Also includes blood pressure diastolic increased, blood pressure systolic increased, diastolic hypertension, essential hypertension, hypertension, hypertensive crisis, labile hypertension, orthostatic hypertension, secondary hypertension, and systolic hypertension

System Organ Class / Adverse Reaction Percentage of Patients Reporting Reaction
Duloxetine (N=3303) Placebo (N=2352)
Gastrointestinal Disorders
Nausea 23 7
Dry Mouthb 11 3
Constipationb 10 3
Diarrhea 9 5
Abdominal Painc 5 4
Vomiting 3 2
Dyspepsia 2 1
General Disorders and Administration Site Conditions
Fatigued 11 5
Infections and Infestations
Nasopharyngitis 4 4
Upper Respiratory Tract Infection 3 3
Influenza 2 2
Metabolism and Nutrition Disorders
Decreased Appetiteb 8 1
Musculoskeletal and Connective Tissue
Musculoskeletal Paine 3 3
Muscle Spasms 2 2
Nervous System Disorders
Headache 13 8
Somnolenceb,f 11 3
Dizziness 9 5
Paraesthesiag 2 2
Tremorb 2 <1
Psychiatric Disorders
Insomniab,h 10 5
Agitationi 3 1
Reproductive System and Breast Disorders
Erectile dysfunctionb 4 <1
Ejaculation Disorderj 2 <1
Respiratory, Thoracic, and Mediastinal Disorders
Cough 2 2
Skin and Subcutaneous Tissue Disorders
Hyperhidrosis 6 1
Vascular Disorders
Flushingk 3 1
Blood pressure increasedl 2 1

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