Summary of Product Characteristics

1. Name of the medicinal product

Spiolto® Respimat® 2.5 microgram/2.5 microgram, inhalation solution

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2. Qualitative and quantitative composition

The delivered dose is 2.5 microgram tiotropium (as bromide monohydrate) and 2.5 microgram olodaterol (as hydrochloride) per puff.

The delivered dose is the dose which is available for the patient after passing the mouthpiece.

For the full list of excipients, see section 6.1.

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3. Pharmaceutical form

Inhalation solution

Clear, colourless, inhalation solution

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4. Clinical particulars

4.1 Therapeutic indications

Spiolto® Respimat® is indicated as a maintenance bronchodilator treatment to relieve symptoms in adult patients with chronic obstructive pulmonary disease (COPD).

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4.2 Posology and method of administration


The medicinal product is intended for inhalation use only. The cartridge can only be inserted and used in the Respimat inhaler.

Two puffs from the Respimat inhaler comprise one medicinal dose.


The recommended dose is 5 microgram tiotropium and 5 microgram olodaterol given as two puffs from the Respimat inhaler once daily, at the same time of the day.

The recommended dose should not be exceeded.

Elderly population

Elderly patients can use Spiolto® Respimat® at the recommended dose.

Hepatic impairment and Renal impairment

Spiolto® Respimat® contains tiotropium which is a predominantly renally excreted drug and olodaterol, which is predominantly metabolized in the liver.

Hepatic impairment

Patients with mild and moderate hepatic impairment can use Spiolto® Respimat® at the recommended dose.

There are no data available for use of olodaterol in patients with severe hepatic impairment.

Renal impairment

Renally impaired patients can use Spiolto® Respimat® at the recommended dose.

For patients with moderate to severe impairment (creatinine clearance ≤ 50 ml/min) see 4.4 and 5.2.

Spiolto® Respimat® contains olodaterol. There is limited experience with the use of olodaterol in patients with severe renal impairment.

Paediatric population

There is no relevant use of Spiolto® Respimat® in the paediatric population (under 18 years).

Method of administration

To ensure proper administration of the medicinal product, the patient should be shown how to use the inhaler by a physician or other health care professionals.

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Instructions for use


Spiolto® Respimat® (tiotropium bromide and olodaterol). Read these Instructions for Use before you start using Spiolto® Respimat®.

You will need to use this inhaler only ONCE A DAY. Each time you use it take TWO PUFFS.

  • If Spiolto® Respimat® has not been used for more than 7 days release one puff towards the ground.
  • If Spiolto® Respimat® has not been used for more than 21 days repeat steps 4 to 6 under ‘Prepare for first use’ until a cloud is visible. Then repeat steps 4 to 6 three more times.
  • Do not touch the piercing element inside the clear base.

How to care for your Spiolto® Respimat®

Clean the mouthpiece including the metal part inside the mouthpiece with a damp cloth or tissue only, at least once a week.

Any minor discoloration in the mouthpiece does not affect your Spiolto® Respimat® inhaler performance. If necessary, wipe the outside of your Spiolto® Respimat® inhaler with a damp cloth.

When to get a new Spiolto® Respimat®

  • Your Spiolto® Respimat® inhaler contains 60 puffs (30 doses) if used as indicated (two puffs/once daily).
  • The dose indicator shows approximately how much medication is left.
  • When the dose indicator enters the red area of the scale you need to get a new prescription; there is approximately medication for 7 days left (14 puffs).
  • Once the dose indicator reaches the end of the red scale, your Spiolto® Respimat® locks automatically  – no more doses can be released. At this point, the clear base cannot be turned any further.
  • Spiolto® Respimat® should be discarded three months after you have prepared it for first use, even if it has not been fully used or used at all.

Prepare for first use

1Remove clear base

  • Keep the cap closed.
  • Press the safety catch while firmly pulling off the clear base with your other hand.

2Insert cartridge

  • Insert the narrow end of the cartridge into the inhaler.
  • Place the inhaler on a firm surface and push down firmly until it clicks into place.
  • Do not remove the cartridge once it has been inserted into the inhaler.

3Replace clear base

  • Put the clear base back into place until it clicks.
  • Do not remove the clear base again.


  • Keep the cap closed.
  • Turn the clear base in the direction of the arrows on the label until it clicks (half a turn).


  •  Open the cap until it snaps fully open.


  • Point the inhaler toward the ground.
  • Press the dose-release button.
  • Close the cap.
  • Repeat steps 4-6 until a cloud is visible.
  • After a cloud is visible, repeat steps 4-6 three more times.
    Your inhaler is now ready to use. These steps will not affect the number of doses available. After preparation, your inhaler will be able to deliver 60 puffs (30 doses).

Daily use


  • Keep the cap closed.
  • TURN the clear base in the direction of the arrows on the label until it clicks (half a turn).


  • OPEN the cap until it snaps fully open.


  • Breathe out slowly and fully.
  • Close your lips around the mouthpiece without covering the air vents. Point your inhaler to the back of your throat.
  • While taking a slow, deep breath through your mouth, PRESS the dose-release button and continue to breathe in slowly for as long as comfortable.
  • Hold your breath for 10 seconds or for as long as comfortable.
  • Repeat TURN, OPEN, PRESS for a total of 2 puffs.
  • Close the cap until you use your inhaler again.

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4.3 Contraindications

Hypersensitivity to the active substances or to any of the excipients listed in section 6.1.

History of hypersensitivity to atropine or its derivatives, e.g. ipratropium or oxitropium.

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4.4 Special warnings and precautions for use

Spiolto® Respimat® should not be used in asthma. The efficacy and safety of Spiolto® Respimat® in asthma have not been studied.

Not for acute use
Spiolto® Respimat® is not indicated for the treatment of acute episodes of bronchospasm, i.e. as rescue therapy.

Paradoxical bronchospasm
As with other inhaled medicines Spiolto® Respimat® may result in paradoxical bronchospasm that may be life-threatening. If paradoxical bronchospasm occurs Spiolto® Respimat® should be discontinued immediately and alternative therapy substituted.

Anticholinergic effects related to tiotropium

Narrow-angle glaucoma, prostatic hyperplasia or bladder-neck obstruction
Consistent with the anticholinergic activity of tiotropium, Spiolto® Respimat® should be used with caution in patients with narrow-angle glaucoma, prostatic hyperplasia or bladder-neck obstruction.

Eye symptoms
Patients should be cautioned to avoid getting the spray into their eyes. They should be advised that this may result in precipitation or worsening of narrow-angle glaucoma, eye pain or discomfort, temporary blurring of vision, visual halos or coloured images in association with red eyes from conjunctival congestion and corneal oedema. Should any combination of these eye symptoms develop, patients should stop using Spiolto® Respimat® and consult a specialist immediately.

Dental caries
Dry mouth, which has been observed with anti-cholinergic treatment, may in the long term be associated with dental caries.

Patients with renal impairment
As plasma concentration of tiotropium increases with decreased renal function in patients with moderate to severe renal impairment (creatinine clearance 50 ml/min) Spiolto® Respimat® should be used only if the expected benefit outweighs the potential risk. There is no long term experience in patients with severe renal impairment (see 5.2).

Cardiovascular effects
The experience with Spiolto® Respimat® is limited in patients with a history of myocardial infarction during the previous year, unstable or life-threatening cardiac arrhythmia, hospitalized for heart failure during the previous year or with a diagnosis of paroxysmal tachycardia (>100 beats per minute) because these patients were excluded from the clinical trials. Spiolto® Respimat® should be used with caution in these patient groups.

Like other beta2-adrenergic agonists, olodaterol may produce a clinically significant cardiovascular effect in some patients as measured by increases in pulse rate, blood pressure, and/or symptoms. In case such effects occur, treatment may need to be discontinued. In addition, beta-adrenergic agonists have been reported to produce electrocardiogram (ECG) changes, such as flattening of the T wave and ST segment depression, although the clinical significance of these observations is unknown.

Long acting beta2-adrenergic agonists should be administered with caution in patients with cardiovascular disorders, especially ischaemic heart disease, severe cardiac decompensation, cardiac arrhythmias, hypertrophic obstructive cardiomyopathy, hypertension, and aneurysm, in patients with convulsive disorders or thyrotoxicosis, in patients with known or suspected prolongation of the QT interval (e.g. QT> 0.44 s), and in patients who are unusually responsive to sympathomimetic amines.

Beta2-adrenergic agonists may produce significant hypokalaemia in some patients, which has the potential to produce adverse cardiovascular effects. The decrease in serum potassium is usually transient, not requiring supplementation. In patients with severe COPD, hypokalaemia may be potentiated by hypoxia and concomitant treatment (see section 4.5), which may increase the susceptibility to cardiac arrhythmias.

Inhalation of high doses of beta2-adrenergic agonists may produce increases in plasma glucose.

Caution needs to be taken in case of a planned operation with halogenated hydrocarbon anaesthetics due to an increased susceptibility to the adverse cardiac effects of beta agonist bronchodilators.

Spiolto® Respimat® should not be used in conjunction with any other medications containing long-acting beta2-adrenergic agonists.

Patients who have been taking inhaled, short-acting beta2-adrenergic agonists on a regular basis (e.g. four times a day) should be instructed to use them only for symptomatic relief of acute respiratory symptoms.

Spiolto® Respimat® should not be used more frequently than once daily.

As with all medications, immediate hypersensitivity reactions may occur after administration of Spiolto® Respimat®.

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4.5 Interaction with other medicinal products and other forms of interaction

Although no formal in vivo drug interaction studies have been performed between Spiolto® Respimat® and other drugs, inhaled Spiolto® Respimat® has been used concomitantly with other COPD medicinal products, including short acting sympathomimetic bronchodilators and inhaled corticosteroids without clinical evidence of drug interactions.

Anticholinergic agents
The co-administration of tiotropium bromide, one component of Spiolto® Respimat®, with other anticholinergic containing drugs has not been studied and therefore is not recommended.

Adrenergic agents
Concomitant administration of other adrenergic agents (alone or as part of combination therapy) may potentiate the undesirable effects of Spiolto® Respimat®.

Xanthine derivatives, steroids or diuretics

Concomitant treatment with xanthine derivatives, steroids, or non-potassium sparing diuretics may potentiate any hypokalemic effect of adrenergic agonists (see section 4.4).

Beta-adrenergic blockers may weaken or antagonise the effect of olodaterol. Cardioselective beta-blockers could be considered, although they should be administered with caution.

MAO inhibitors and tricyclic antidepressants, QTc Prolonging drugs
Monamine oxidase inhibitors or tricyclic antidepressants or other drugs known to prolong the QTc interval may potentiate the action of Spiolto® Respimat® on the cardiovascular system.

Pharmacokinetic Drug Drug interactions
No relevant effect on systemic exposure to olodaterol has been observed in drug-drug interaction studies with co-administration of fluconazole, used as model inhibitor of CYP2C9.

Co-administration of ketoconazole as potent P-gp and CYP3A4 inhibitor increased systemic exposure to olodaterol by approximately 70%. No dose adjustment of Spiolto® Respimat® is necessary.

In vitro investigations have shown that olodaterol does not inhibit CYP enzymes or drug transporters at the plasma concentrations achieved in clinical practice.

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4.6 Fertility, pregnancy and lactation


There is a very limited amount of data from the use of tiotropium in pregnant women. Animal studies do not indicate direct or indirect harmful effects with respect to reproductive toxicity at clinically relevant doses (see 5.3).

For olodaterol no clinical data on exposed pregnancies are available. Preclinical data for olodaterol revealed effects typical for beta-adrenergic agonists at high multiples of the therapeutic doses (see section 5.3).

As a precautionary measure, it is preferable to avoid the use of Spiolto® Respimat® during pregnancy.

Like other beta2-adrenergic agonists, olodaterol a component of Spiolto® Respimat® may inhibit labour due to a relaxant effect on uterine smooth muscle.

Clinical data from nursing women exposed to tiotropium and/or olodaterol are not available.

In animal studies for both tiotropium and olodaterol the substances and/or their metabolites have been detected in the milk of lactating rats, but it is not known whether tiotropium and/or olodaterol passes into human breast milk.

A decision on whether to continue/discontinue breast-feeding or to continue/discontinue therapy with Spiolto® Respimat® should be made taking into account the benefit of breast-feeding to the child and the benefit of Spiolto® Respimat® therapy to the woman.

Clinical data on fertility are not available for tiotropium and olodaterol or the combination of both components. Preclinical studies performed with the individual components tiotropium and olodaterol showed no indication of any adverse effect on fertility (see 5.3).

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4.7 Effects on ability to drive and use machines

No studies on the effects on the ability to drive and use machines have been performed.

However, patients should be advised that dizziness and blurred vision have been reported with the use of Spiolto® Respimat®. Therefore, caution should be recommended when driving a car or operating machinery. If patients experience such symptoms, they should avoid potentially hazardous tasks such as driving or operating machinery.

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4.8 Undesirable effects

a. Summary of the safety profile

Many of the listed undesirable effects can be assigned to the anticholinergic properties of tiotropium bromide or to the ß2-adrenergic properties of olodaterol, the components of Spiolto® Respimat®

b. Tabulated summary of adverse reactions

The frequencies assigned to the undesirable effects listed below are based on the crude incidence rates of adverse drug reactions (i.e. events attributed to Spiolto® Respimat®) observed in the tiotropium 5 microgram/olodaterol 5 microgram dose group (1707 patients), pooled from 7 active or placebo-controlled, parallel group clinical trials in COPD patients with treatment periods ranging between 4 and 52 weeks.

Adverse reactions reported in all clinical trials with Spiolto® Respimat® are shown below according to system organ class.

These also include all adverse reactions previously reported with one of the individual components.

Frequency is defined using the following convention:

Very common (≥1/10); common (≥1/100 to <1/10); uncommon (≥1/1,000 to <1/100); rare (≥1/10,000 to <1/1,000); very rare (<1/10,000), not known (cannot be estimated from the available data)

1 undesirable effects reported with Spiolto® Respimat®, but not with the individual components

4.9 Overdose

There is limited information on overdosing with Spiolto® Respimat®. Spiolto® Respimat® has been studied up to 5 microgram / 10 microgram (tiotropium/olodaterol) in COPD patients and up to 10 microgram / 40 microgram (tiotropium/olodaterol) in healthy subjects; no clinically relevant effects were observed. An overdose could lead to exaggerated anti-muscarinic effects of tiotropium and/or exaggerated β2 agonists effects of olodaterol.

Overdose of anticholinergic tiotropium
High doses of tiotropium may lead to anticholinergic signs and symptoms.

However, there were no systemic anticholinergic adverse effects following a single inhaled dose of up to 340 microgram tiotropium bromide in healthy volunteers. Additionally, no relevant adverse events, beyond dry mouth/throat and dry nasal mucosa were observed following 14-day dosing of up to 40 microgram tiotropium inhalation solution in healthy volunteers with the exception of pronounced reduction in salivary flow from day 7 onwards.

Overdose of ß2-agonist olodaterol
An overdose of olodaterol is likely to lead to exaggerated effects typical of beta2-adrenergic agonists, e.g. myocardial ischaemia, hypertension or hypotension, tachycardia, arrhythmias, palpitation, dizziness, nervousness, insomnia, anxiety, headache, tremor, dry mouth, muscle spasms, nausea, fatigue, malaise, hypokalemia, hyperglycemia, and metabolic acidosis.

Treatment of overdose
Treatment with Spiolto® Respimat® should be discontinued. Supportive and symptomatic treatment is indicated. Serious cases should be hospitalised. Use of cardioselective beta-blockers may be considered, but only subject to extreme caution since the use of beta-adrenergic blocker medication may provoke bronchospasm.

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5. Pharmacological properties

5.1 Pharmacodynamic properties

Pharmacotherapeutic group:
Drugs for obstructive airway diseases, adrenergics in combination with anticholinergics
ATC code: R03AL06

Mechanism of action
Spiolto® Respimat®
Spiolto® Respimat® is a fixed dose combination inhalation solution containing a long acting muscarinic receptor antagonist, tiotropium and a long acting beta2-adrenergic agonist, olodaterol (LAMA/LABA) which is delivered via the Spiolto® Respimat® soft mist inhaler device.

The two active ingredients provide additive bronchodilation due to their different mode of action. Since muscarinic receptors appear to be more prominent in the central airways while ß2 adrenoceptors have a higher expression level in the peripheral airways, a combination of tiotropium and olodaterol should provide optimal bronchodilatation in all regions of the lungs.

Tiotropium bromide is a long-acting, specific antagonist at muscarinic receptors. It has similar affinity to the subtypes, M1 to M5. In the airways, tiotropium bromide competitively and reversibly binds to the M3 receptors in the bronchial smooth musculature, antagonising the cholinergic (bronchoconstrictive) effects of acetylcholine, resulting in bronchial smooth muscle relaxation. The effect was dose dependent and lasted longer than 24h. As an N-quaternary anticholinergic, tiotropium bromide is topically (broncho-) selective when administered by inhalation, demonstrating an acceptable therapeutic range before systemic anticholinergic effects may occur.

Olodaterol has a high affinity and high selectivity to the human beta2-adrenoceptor.

In vitro studies have shown that olodaterol has 241-fold greater agonist activity at beta2-adrenoceptors compared to beta1-adrenoceptors and 2299-fold greater agonist activity compared to beta3-adrenoceptors.

The compound exerts its pharmacological effects by binding and activation of beta2-adrenoceptors after topical administration by inhalation.

Activation of these receptors in the airways results in a stimulation of intracellular adenyl cyclase, an enzyme that mediates the synthesis of cyclic-3’,5’ adenosine monophosphate (cAMP). Elevated levels of cAMP induce bronchodilation by relaxation of airway smooth muscle cells.

Olodaterol has the pre-clinical profile of a long-acting selective beta2-adrenoceptor agonist (LABA) with a fast onset of action and a duration of action of at least 24 hours.

Beta-adrenoceptors are divided into three subtypes, beta1-adrenoceptors predominantly expressed on cardiac muscle, beta2-adrenoceptors predominantly expressed on airway smooth muscle and beta3-adrenoceptors predominantly expressed on adipose tissue. Beta2-agonists cause bronchodilation. Although the beta2-adrenoceptor is the predominant adrenergic receptor in the airway smooth muscle it is also present on the surface of a variety of other cells, including lung epithelial and endothelial cells and in the heart. The precise function of beta2-receptors in the heart is not known, but their presence raises the possibility that even highly selective beta2-adrenergic agonists may have cardiac effects.

Effects on cardiac electrophysiology

In a dedicated QT study involving 53 healthy volunteers, tiotropium inhalation powder 18 microgram and 54 microgram (i.e. three times the therapeutic dose) over 12 days did not significantly prolong QT intervals of the ECG.

The effect of olodaterol on the QT/QTc interval of the ECG was investigated in 24 healthy male and female volunteers in a double-blind, randomised, placebo- and active (moxifloxacin) controlled study. Olodaterol at single doses of 10, 20, 30 and 50 microgram, demonstrated that compared with placebo, the mean changes from baseline in QT interval over 20 minutes to 2 hours after dosing increased dose-dependently from 1.6 (10 microgram olodaterol) to 6.5 ms (50 microgram olodaterol), with the upper limit of the two-sided 90% confidence intervals being less than 10 ms at all dose levels for individually corrected QT (QTcI).

The effect of 5 microgram and 10 microgram olodaterol on heart rate and rhythm was assessed using continuous 24-hour ECG recording (Holter monitoring) in a subset of 772 patients in the 48-week, placebo-controlled Phase 3 trials. There were no dose- or time-related trends or patterns observed for the magnitudes of mean changes in heart rate or premature beats. Shifts from baseline to the end of treatment in premature beats did not indicate meaningful differences between olodaterol 5 microgram, 10 microgram and placebo.

Spiolto® Respimat®
Two 52-week randomized, double-blind trials using Spiolto® Respimat® enrolled 5162 patients with COPD. In a pooled analysis the number of subjects with changes from baseline-corrected QTcF (Fridericia correction) interval of >30 msec at 40 minutes post-dose on day 85, 169, and 365, ranged from 3.1%, 4.7%, and 3.6% for the Spiolto® Respimat® group compared to 4.1%, 4.4%, and 3.6% for olodaterol 5 microgram and 3.4%, 2.3%, and 4.6% for the tiotropium 5 microgram group, respectively.

Clinical efficacy and safety
The Phase III clinical development program for Spiolto® Respimat® included three randomised, double-blind trials:

(i) two replicate, 52 week parallel group trials comparing Spiolto® Respimat® with tiotropium 5 microgram and olodaterol 5 microgram (1029 received Spiolto® Respimat®) [Trials 1 and 2]

(ii) one 6 week cross-over trial comparing Spiolto® Respimat® with tiotropium 5 microgram and olodaterol 5 microgram and placebo (139 received Spiolto® Respimat®) [Trial 3]

In these trials, the comparator products, tiotropium 5 microgram, olodaterol 5 microgram and placebo were administered via the Respimat inhaler.

Patient characteristics
The majority of the 5162 patients recruited in the global, 52 week trials [Trials 1 and 2] were male (73%), white (71%) or Asian (25%), with a mean age of 64.0 years. Mean post-bronchodilator FEV1 was 1.37 L (GOLD 2 [50%], GOLD 3 [39%], GOLD 4 [11%]). Mean β2-agonist responsiveness was 16.6% of baseline (0.171 L). Pulmonary medications allowed as concomitant therapy included inhaled steroids [47%] and xanthines [10%].

The 6 week trial [Trial 3] was conducted in Europe and North America. The majority of the 219 recruited patients were male (59%) and white (99%), with a mean age of 61.1 years. Mean post-bronchodilator FEV1 was 1.55 L (GOLD 2 [64%], GOLD 3 [34%], GOLD 4 [2%]). Mean β2-agonist responsiveness was 15.9% of baseline (0.193 L). Pulmonary medications allowed as concomitant therapy included inhaled steroids [41%] and xanthines [4%].

Effects on lung function
In the 52 week trials, Spiolto® Respimat® administered once daily in the morning, provided clear improvement in lung function within 5 minutes after the first dose compared to tiotropium 5 microgram (mean increase in FEV1 of 0.137 L for Spiolto® Respimat® vs. 0.058 L for tiotropium 5 microgram [p<0.0001] and 0.125 L for olodaterol 5 microgram [p=0.16]).

In both studies, significant improvements were observed in FEV1 AUC0-3h response and trough FEV1 response after 24 weeks (lung function primary endpoints) for Spiolto® Respimat® compared to tiotropium 5 microgram and olodaterol 5 microgram (Table 1).

Table 1 Difference in FEV1 AUC0-3h and trough FEV1 response for Spiolto® Respimat® compared to tiotropium 5 microgram, olodaterol 5 microgram after 24 weeks (Trials 1 and 2)

pre-treatment baseline FEV1: Trial 1 = 1.16 L; Trial 2 = 1.15 L
p≤0.0001 for all comparisons
n= number of patients

Table 2 Average difference in FEV1 (L) over 3 hr, 12 hr and 24 hr and difference in trough FEV1 (L) for Spiolto® Respimat® compared to tiotropium 5 microgram, olodaterol 5 microgram and placebo after 6 weeks (Trial 3)

pre-treatment baseline FEV1 = 1.30 L
1primary endpoint
p<0.0001 for all comparisons
n= number of patients

Table 3 SGRQ total score after 24 weeks of treatment

n = number of patients

5.2 Pharmacokinetic properties

a. General Introduction

When tiotropium and olodaterol were administered in combination by the inhaled route, the pharmacokinetic parameters for each component were similar to those observed when each active substance was administered separately. 

Tiotropium and olodaterol demonstrate linear pharmacokinetics in the therapeutic range. On repeated once-daily inhalation administration, steady state of tiotropium is reached by day 7. Steady state of olodaterol is achieved after 8 days of once-daily inhalation, and accumulation is up to 1.8-fold as compared to a single dose.

b. General Characteristics of the Active Substance after Administration of the Medicinal Product

Tiotropium: Urinary excretion data from young healthy volunteers suggests that approximately 33% of the dose inhaled via the RESPIMAT inhaler reaches the systemic circulation. The absolute bioavailability from an orally administered solution was found to be 2–3%. Maximum tiotropium plasma concentrations are observed 5–7 minutes after the inhalation via RESPIMAT.

Olodaterol: In healthy volunteers the absolute bioavailability of olodaterol following inhalation was estimated to be approximately 30%, whereas the absolute bioavailability was below 1% when given as an oral solution. Maximum olodaterol plasma concentrations generally are reached within 10 to 20 minutes following drug inhalation via RESPIMAT.

Tiotropium has a plasma protein binding of 72% and shows a volume of distribution of 32 L/kg. Studies in rats have shown that tiotropium does not penetrate the blood-brain barrier to any relevant extent.

Olodaterol has a plasma protein binding of approximately 60% and shows a volume of distribution of 1110 L. Olodaterol is a substrate for the P-gp, OAT1, OAT3 and OCT1 transporter. Olodaterol is not a substrate for the following transporters: BCRP, MRP, OATP2, OATP8, OATP-B, OCT2 and OCT3.

Tiotropium: The extent of metabolism is small. This is evident from 74% of an intravenous dose being excreted in the urine as unchanged drug. The ester tiotropium is nonenzymatically cleaved into its alcohol and acid component (N-methylscopine and dithienylglycolic acid, respectively), both not binding to muscarinic receptors. In vitro experiments with human liver microsomes and human hepatocytes suggest that some further drug (<20% of the dose after intravenous administration) is metabolised by cytochrome P450 (CYP) 2D6 and 3A4 dependent oxidation and subsequent glutathion conjugation to a variety of Phase II-metabolites.

Olodaterol is substantially metabolized by direct glucuronidation and by O-demethylation at the methoxy moiety followed by conjugation. Of the six metabolites identified, only the unconjugated demethylation productbinds to ß2-receptors; this metabolite however is not detectable in plasma after chronic inhalation of the recommended therapeutic dose or doses of up to 4-fold higher. Cytochrome P450 isozymes CYP2C9 and CYP2C8, with negligible contribution of CYP3A4, are involved in the O-demethylation of olodaterol, while uridine diphosphate glycosyl transferase isoforms UGT2B7, UGT1A1, 1A7 and 1A9 were shown to be involved in the formation of olodaterol glucuronides.

Tiotropium: The total clearance in healthy volunteers is 880 mL/min. Intravenously administered tiotropium is mainly excreted unchanged in urine (74%). After inhalation by COPD patients to steady-state, urinary excretion is 18.6% of the dose, the remainder being mainly non-absorbed drug in gut that is eliminated via the faeces. The renal clearance of tiotropium exceeds the glomerular filtration rate, indicating active secretion into the urine. The effective half-life of tiotropium following inhalation by COPD patients ranges between 27 and 45 h.

Olodaterol: Total clearance of olodaterol in healthy volunteers is 872 mL/min, and renal clearance is 173 mL/min. Following intravenous administration of [14C]-labelled olodaterol, 38% of the radioactive dose was recovered in the urine and 53% was recovered in faeces. The amount of unchanged olodaterol recovered in the urine after intravenous administration was 19%. Following oral administration, only 9% of the radioactivity (0.7% unchanged olodaterol) was recovered in urine, while the major portion was recovered in faeces (84%). More than 90% of the dose was excreted within 6 and 5 days following intravenous and oral administration, respectively. Following inhalation, excretion of unchanged olodaterol in urine within the dosing interval in healthy volunteers at steady state accounted for 5-7% of the dose. Olodaterol plasma concentrations after inhalation decline in a multiphasic manner with a terminal half-life of approximately 45 hours.

c. Characteristics in Patients

Tiotropium: As expected for all predominantly renally excreted drugs, advancing age was associated with a decrease of tiotropium renal clearance from 347 mL/min in COPD patients <65 years to 275 mL/min in COPD patients ≥65 years. This did not result in a corresponding increase in AUC0-6,ss or Cmax,ss values.

Olodaterol: A pharmacokinetic meta-analysis utilizing data from 2 controlled clinical trials that included 405 patients with COPD and 296 patients with asthma showed that no dose adjustment is necessary due to effects of age, gender and weight on systemic exposure to olodaterol. 

Olodaterol: Comparison of pharmacokinetic data within and across studies with olodaterol revealed a trend for higher systemic exposure in Japanese and other Asians than in Caucasians. 
No safety concerns were identified in clinical studies with olodaterol in Caucasians and Asians of up to one year with olodaterol Respimat at doses up to twice the recommended therapeutic dose.

Renal Insufficiency
Tiotropium: Following once daily inhaled administration of tiotropium to steady-state in COPD patients with mild renal impairment (CLCR 50-80 mL/min) resulted in slightly higher AUC0-6,ss (between 1.8 to 30% higher) and similar Cmax,ss compared to patients with normal renal function (CLCR >80 mL/min). In subjects with moderate to severe renal impairment (CLCR <50 ml/min) intravenous administration of tiotropium resulted in twofold higher total exposure (82% higher AUC0-4h and 52% higher Cmax) compared to subjects with normal renal function, which was confirmed by observations after dry powder inhalation.
Olodaterol: There were no clinically relevant increases of systemic exposure in patients with renal impairment.

Hepatic Insufficiency
Tiotropium: Liver insufficiency is not expected to have any relevant influence on tiotropium pharmacokinetics. Tiotropium is predominantly cleared by renal elimination (74% in young healthy volunteers) and simple non-enzymatic ester cleavage to pharmacologically inactive products.

Olodaterol: There was no evidence for differences in elimination of olodaterol, nor did protein binding differ, between subjects with mild or moderate hepatic impairment and their healthy controls. A study in subjects with severe hepatic impairment was not performed.

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5.3 Preclinical safety data

Tiotropium + olodaterol
Effects in non-clinical studies with the combination tiotropium/olodaterol were observed only at exposures considered sufficiently in excess of the maximum human exposure indicating little relevance to clinical use. 

Studies on genotoxicity and carcinogenic potential revealed no special hazard for humans.
Harmful effects with respect to pregnancy, embryonal/foetal development, parturition or postnatal development could only be demonstrated at maternally toxic dose levels. Tiotropium bromide was not teratogenic in rats or rabbits. The respiratory (irritation) and urogenital (prostatitis) changes and reproductive toxicity were observed at local or systemic exposures more than five-fold the therapeutic exposure.

Studies on genotoxicity and carcinogenic potential revealed no special hazard for humans.
Increased incidences were observed of mesovarian leiomyoma in rats and of uterus leiomyoma and leiomyosarcoma in mice. This is considered a class effect which is observed in rodents after long-term exposure to high doses of β2-agonists. Up to now, β2-agonists have not been associated with cancer in humans.

In rats, no teratogenic effects occurred after inhalation at doses of 1054 microgram/kg/day (> 2600 times the human exposure (AUC(0-24h)) at the dose of 5 mcg). In pregnant NZW rabbits, an inhalation dose of 2489 microgram/kg/day (approximately 7130 times the human exposure at 5 microgram based on AUC(0-24h)) of olodaterol exhibited fetal toxicity characteristically resulting from beta-adrenoceptor stimulation; these included patchy ossifications, short/bent bones, partially open eye, cleft palate, cardiovascular abnormalities. No significant effects occurred at an inhalation dose of 974 microgram/kg/day (approximately 1353 times the 5 microgram dose based on AUC(0-24h)).

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6. Pharmaceutical Particulars

6.1 List of excipients

Benzalkonium chloride
Disodium edetate
Water, purified
1M Hydrochloric acid (for pH adjustment)

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6.2 Incompatibilities

Not applicable.

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6.3 Shelf life

3 years
In-use shelf life: 3 months

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6.4 Special precautions for storage

Do not freeze.

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6.5 Nature and contents of container

Type and material of the container in contact with the medicinal product: 
Solution filled into a polyethylene/polypropylene cartridge with a polypropylene cap with integrated silicone sealing ring. The cartridge is enclosed within an aluminium cylinder.
Each cartridge contains 4 ml inhalation solution. 

Pack sizes and devices supplied:

Single pack: 1 Respimat inhaler and 1 cartridge, providing 60 puffs (30 medicinal doses)

Double pack: 2 single packages, each containing 1 Respimat inhaler and 1 cartridge, providing 60 puffs (30 medicinal doses)

Triple pack: 3 single packages, each containing 1 Respimat inhaler and 1 cartridge, providing 60 puffs (30 medicinal doses)

Eight pack: 8 single packages, each containing 1 Respimat inhaler and one 1 cartridge, providing 60 puffs (30 medicinal doses)

Not all pack sizes may be marketed.

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6.6 Special precautions for disposal and other handling

Any unused medicinal product or waste material should be disposed of in accordance with local requirements.

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7. Marketing authorisation holder

Boehringer Ingelheim International GmbH
Binger Strasse 173
D-55216 Ingelheim am Rhein

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8. Marketing authorisation number(s)

SmPC approved in EU via decentralized procedure; this information varies nationally.

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9. Date of first authorisation / renewal of the authorisation

SmPC approved in EU via decentralized procedure; this information varies nationally.

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10. Date of revision of the text

SmPC approved in EU via decentralized procedure; this information varies nationally.

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