EP1940398A1 - Use of pramipexol for treating moderate to severe restless legs syndrome (rls) - Google Patents

Use of pramipexol for treating moderate to severe restless legs syndrome (rls)

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Publication number
EP1940398A1
EP1940398A1 EP06807270A EP06807270A EP1940398A1 EP 1940398 A1 EP1940398 A1 EP 1940398A1 EP 06807270 A EP06807270 A EP 06807270A EP 06807270 A EP06807270 A EP 06807270A EP 1940398 A1 EP1940398 A1 EP 1940398A1
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EP
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Prior art keywords
rls
severe
moderate
use according
active ingredient
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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EP06807270A
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German (de)
French (fr)
Inventor
Juergen Reess
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Boehringer Ingelheim International GmbH
Boehringer Ingelheim Pharma GmbH and Co KG
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Boehringer Ingelheim International GmbH
Boehringer Ingelheim Pharma GmbH and Co KG
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Application filed by Boehringer Ingelheim International GmbH, Boehringer Ingelheim Pharma GmbH and Co KG filed Critical Boehringer Ingelheim International GmbH
Publication of EP1940398A1 publication Critical patent/EP1940398A1/en
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A61K31/33—Heterocyclic compounds
    • A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/41—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having five-membered rings with two or more ring hetero atoms, at least one of which being nitrogen, e.g. tetrazole
    • A61K31/425—Thiazoles
    • A61K31/428—Thiazoles condensed with carbocyclic rings
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P25/00—Drugs for disorders of the nervous system
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P25/00—Drugs for disorders of the nervous system
    • A61P25/14—Drugs for disorders of the nervous system for treating abnormal movements, e.g. chorea, dyskinesia
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P25/00—Drugs for disorders of the nervous system
    • A61P25/14—Drugs for disorders of the nervous system for treating abnormal movements, e.g. chorea, dyskinesia
    • A61P25/16—Anti-Parkinson drugs

Definitions

  • the invention relates to the use of 2-amino-6-n-propylamino-4,5,6,7-tetrahydrobenzo-thiazole, its (+) - or (-) - enantiomer or its pharmacologically acceptable salts for the treatment of moderate to severe Restless Legs Syndrome (RLS).
  • RLS Restless Legs Syndrome
  • Pramipexole - the 2-amino-6-n-propylamino-4,5,6,7-tetrahydrobenzo-thiazole dihydrochloride - is a dopamine D2 / D3 agonist whose synthesis is described in European Patent 186,087.
  • Pramipexole is primarily for the treatment of idiopathic Parkinson's, known as monotherapy or in combination with levodopa. From German patent application DE 38 43 227 it is known that pramipexole lowers the prolactin serum level, furthermore it is known from German patent application DE 39 33 738 to use pramipexole to lower high TSH levels.
  • Restless Legs Syndrome (synonyms: RLS, Anxietas tibiarum, Restless Legs Syndrome, Wittmaack-Ekbom Syndrome) is a neurological disorder characterized by an uncontrolled urge to move the legs. Usually, unpleasant and sometimes painful sensations in the legs, such as tingling, pulling, tearing, itching, burning, cramps, etc. are accompanying symptoms of the disease. RLS is estimated to affect up to ten percent of those aged 30 to 79 years old. The symptoms worsen towards evening and at night, so that those affected often additionally suffer from sleep disorders. The consequences are fatigue and irritability during the day with the corresponding consequences for daily work and the shaping of social life.
  • L-DOPA levodopa
  • the term improvements in the symptoms of RLS is understood to mean that pramipexole increases the score on the RLSRS scale after 3 weeks of treatment by at least 10 points, preferably by at least 12 points, more preferably by at least 14, and even more preferably by can reduce at least 15 points and this value continues beyond that.
  • pramipexole in single doses in the form of tablets containing 0.1 to 1.5 mg, preferably 0.1 to 1 mg, more preferably 0.125 mg, to 0.75 mg of active ingredient taken once a day, extremely efficient and well tolerated. With continuous administration of pramipexole Remains the symptom improvement in RLS patients for at least 6 months or more (sustained effect).
  • Preferred daily dosages are between 0.08 and 1 mg.
  • the following daily dosages and all intermediate values are: 0.088 mg, 0.18 mg, 0.125 mg, 0.25 mg; 0.35 mg, 0.5 mg; 0.7 mg, 0.75 mg.
  • Pramipexole is preferably added as free base, 2-amino-6-n-propylamino-4, 5,6,7-tetrahydrobenzothiazoline or in the form of a pharmacologically acceptable salt. Particular preference is given to salts with hydrochloric acid, in particular the dihydrochloride.
  • the severity of RLS symptoms increased significantly more significantly over the study period in the placebo group than in the pramipexole group.
  • the adjusted mean deviation (SE) from the baseline according to the international RLS scale was +14.86 for the placebo group and +2.03 for the pramipexole group.
  • SE mean deviation

Abstract

The invention relates to the use of 2-amino-6-n-propylamino- 4,5,6,7-tetrahydrobenzo-thiazol, the (+)- or (-)-enantiomers thereof or the pharmacologically compatible salts thereof for treating moderate to severe restless legs syndrome (RLS).

Description

Verwendung von Pramipexol zur Behandlung des moderaten bis schweren Use of pramipexole for the treatment of moderate to severe
Restless Legs Syndroms (RLS)Restless Legs Syndrome (RLS)
Die Erfindung betrifft die Verwendung von 2-Amino-6-n-propylamino- 4,5,6,7- tetrahydrobenzo-thiazol, seinem (+)- oder (-)-Enantiomer oder dessen pharmakologisch verträgliche Salze zur Behandlung des moderaten bis schweren Restless Legs Syndroms (RLS).The invention relates to the use of 2-amino-6-n-propylamino-4,5,6,7-tetrahydrobenzo-thiazole, its (+) - or (-) - enantiomer or its pharmacologically acceptable salts for the treatment of moderate to severe Restless Legs Syndrome (RLS).
Pramipexol - das 2-Amino-6-n-propylamino-4,5,6,7-tetrahydrobenzo-thiazoldihydrochlorid - ist ein Dopamine - D2/D3 Agonist dessen Synthese in dem europäischen Patent 186 087 beschrieben ist. Pramipexol ist in erster Linie zur Behandlung des idiopathischen Parkinsons, als Monotherapie oder in Kombination mit Levodopa, bekannt. Aus der deutschen Patentanmeldung DE 38 43 227 ist bekannt, dass Pramipexol den Prolactinserumspiegel senkt, weiterhin ist aus der deutschen Patentanmeldung DE 39 33 738 bekannt, Pramipexol zur Senkung hoher TSH- Spiegel einzusetzen. Eine transdermale Applikation ist in dem US- Patent 51,112,842 beschrieben, und die WO Patentanmeldung PCT/EP93/03389 beschreibt die Verwendung von Pramipexol als Antidepressivum. Mit der WO9831362 wird vorgeschlagen, Pramipexol zur Behandlung des Restless Leg Syndroms zu verwenden.Pramipexole - the 2-amino-6-n-propylamino-4,5,6,7-tetrahydrobenzo-thiazole dihydrochloride - is a dopamine D2 / D3 agonist whose synthesis is described in European Patent 186,087. Pramipexole is primarily for the treatment of idiopathic Parkinson's, known as monotherapy or in combination with levodopa. From German patent application DE 38 43 227 it is known that pramipexole lowers the prolactin serum level, furthermore it is known from German patent application DE 39 33 738 to use pramipexole to lower high TSH levels. Transdermal application is described in US Patent 51,112,842 and WO Patent Application PCT / EP93 / 03389 describes the use of pramipexole as an antidepressant. With WO9831362 it is proposed to use pramipexole for the treatment of restless leg syndrome.
Restless Legs Syndrom (synonyme Bezeichnungen: RLS, Anxietas tibiarum, Syndrom der unruhigen Beine, Wittmaack-Ekbom-Syndrom) ist eine neurologische Erkrankung, welche durch einen unkontrollierten Drang, die Beine zu bewegen gekennzeichnet ist. Üblicherweise sind unangenehme und zum Teil schmerzende Wahrnehmungen in den Beinen, wie Kribbeln, Ziehen, Reißen, Jucken, Brennen, Krämpfe usw. Begleitsymptome der Erkrankung. Von RLS sind schätzungsweise bis zu zehn Prozent der 30 bis 79 Jährigen betroffen. Die Symptome verschlechtern sich gegen Abend und in der Nacht, so dass die Betroffenen häufig zusätzlich unter Schlafstörungen leiden. Die Folgen sind Müdigkeit und Gereiztheit am Tag mit den entsprechenden Konsequenzen für die tägliche Arbeit und die Gestaltung des sozialen Lebens.Restless Legs Syndrome (synonyms: RLS, Anxietas tibiarum, Restless Legs Syndrome, Wittmaack-Ekbom Syndrome) is a neurological disorder characterized by an uncontrolled urge to move the legs. Usually, unpleasant and sometimes painful sensations in the legs, such as tingling, pulling, tearing, itching, burning, cramps, etc. are accompanying symptoms of the disease. RLS is estimated to affect up to ten percent of those aged 30 to 79 years old. The symptoms worsen towards evening and at night, so that those affected often additionally suffer from sleep disorders. The consequences are fatigue and irritability during the day with the corresponding consequences for daily work and the shaping of social life.
Obwohl RLS in der Bevölkerung weit verbreitet auftritt, bleibt die Krankheit dennoch meist unerkannt, bzw. undiagnostiziert. Die Erkrankung beeinflusst die Lebensqualität von Millionen Menschen weltweit. Die Betroffenen nehmen den Einfiuss auf ihr Alltagsleben zumeist als schwerwiegender wahr als den Einfluss chronischer Erkrankungen wie Bluthochdruck, Diabetes oder Herzerkrankungen.Although RLS is widespread in the population, the disease still remains mostly undetected or undiagnosed. The disease affects the quality of life of millions of people worldwide. The victims take the influence on their everyday lives mostly as more serious than the influence of chronic diseases such as hypertension, diabetes or heart disease.
Wenn die Schlaf- bzw. Lebensqualität des Patienten zunehmend durch RLS eingeschränkt ist oder die Patienten an Tagesmüdigkeit leiden, ist die Indikation zur Therapie gegeben. Eine Therapiebedürftigkeit tritt in der Regel im Alter von 40-50 Jahren ein.If the quality of sleep or quality of life of the patient is increasingly limited by RLS or the patients suffer from daytime fatigue, the indication for therapy is given. A need for treatment usually occurs at the age of 40-50 years.
In Therapiestudien zeigten Monotherapien mit Dopaminagonisten, Opiaten, Benzodiazepinen, Carbamazepin, Clonidin oder Levodopa (L-DOPA) in Kombination mit einem Dopadecarboxylasehemmer unterschiedliche Erfolge. Über Anwendungen von L-DOPA bei RLS liegen die meisten Arbeiten vor. Bei dessen Langzeittherapie kommt es zu einer deutlichen Beschwerdeabnahme mit Verbesserung der Lebens- und Schlafqualität. Der Nachteil der L-DOP A-Therapie besteht jedoch darin, daß bei manchen Patienten die Wirkung nachlässt und/oder eine Verschiebung der RLS-Beschwerden in die Morgenstunden (Rebound) oder in die Nachmittagsstunden (Augmentation) auftritt.In therapeutic studies, monotherapies with dopamine agonists, opiates, benzodiazepines, carbamazepine, clonidine or levodopa (L-DOPA) in combination with a dopa decarboxylase inhibitor have shown varying degrees of success. Most of the work on L-DOPA applications in RLS is available. In his long-term therapy, there is a significant decrease in complaints with an improvement in the quality of life and sleep. The disadvantage of L-DOP A therapy, however, is that in some patients, the effect wears off and / or a shift of RLS complaints in the morning (rebound) or in the afternoon (augmentation) occurs.
Es hat sich nun in großen klinischen, randomisierten Studien gezeigt, das Pramipexol bei Patienten, die unter moderater bis schwerer RLS leiden, zu einer schnellen Erleichterung der RLS-Symptomatik führt. Von moderater bis schwerer RLS spricht man dann, wenn Patienten auf der internationalen RLS Skala einen Punktwert > 15 erreichen. Die Skala reicht von 0 (keine RLS Symptome) bis 40 (schwerste Form der RLS). So treten bei moderater bis schwerer RLS die Symptome in der Regel mehr als zweimal pro Woche auf.It has now been shown in large clinical randomized trials that pramipexole leads to rapid relief of RLS symptoms in patients with moderate to severe RLS. Moderate to severe RLS are referred to when patients achieve a score> 15 on the international RLS scale. The scale ranges from 0 (no RLS symptoms) to 40 (most severe form of RLS). Symptoms of moderate to severe RLS usually occur more than twice a week.
Behandelte Patienten berichten bereits nach einer Woche von deutlichen Verbesserungen in allen Symptombereichen wie Schlafqualität, Unruhezustände der Beine etc.Treated patients report after one week of significant improvements in all symptom areas such as sleep quality, restlessness of the legs etc.
Im Sinn der vorliegenden Erfindung wird unter dem Begriff Verbesserungen der Symptomatik des RLS, verstanden, dass Pramipexol den Punktwert auf der RLSRS Skala nach 3 Wochen Behandlungszeit um wenigstens 10 Punkte, bevorzugt um wenigstens 12 Punkte, stärker bevorzugt um wenigstens 14 und noch stärker bevorzugt um wenigstens 15 Punkte vermindern kann und dieser Wert auch darüber hinaus anhält. So zeigte sich, dass Pramipexol in Einzeldosierungen in Form von Tabletten mit 0,1 bis 1,5 mg, bevorzugt 0,1 bis 1 mg, stärker bevorzugt 0,125 mg, bis 0,75 mg Wirkstoff, die einmal pro Tag genommen werden, äußerst effizient und gut verträglich ist. Bei kontinuierlicher Gabe von Pramipexol hält die Verbesserung der Symptomatik bei RLS Patienten mindestens über 6 Monate und mehr an (nachhaltiger Effekt).For the purposes of the present invention, the term improvements in the symptoms of RLS is understood to mean that pramipexole increases the score on the RLSRS scale after 3 weeks of treatment by at least 10 points, preferably by at least 12 points, more preferably by at least 14, and even more preferably by can reduce at least 15 points and this value continues beyond that. Thus, it has been found that pramipexole in single doses in the form of tablets containing 0.1 to 1.5 mg, preferably 0.1 to 1 mg, more preferably 0.125 mg, to 0.75 mg of active ingredient taken once a day, extremely efficient and well tolerated. With continuous administration of pramipexole Remains the symptom improvement in RLS patients for at least 6 months or more (sustained effect).
Bevorzugte Tagesdosierungen liegen zwischen 0,08 und 1 mg. Bevorzugt ist die nachfolgende Tagesdosierungen und alle dazwischen liegenden Werte: 0,088 mg, 0,18 mg, 0,125 mg, 0,25 mg; 0,35 mg, 0,5 mg; 0,7mg, 0,75 mg.Preferred daily dosages are between 0.08 and 1 mg. Preferably, the following daily dosages and all intermediate values are: 0.088 mg, 0.18 mg, 0.125 mg, 0.25 mg; 0.35 mg, 0.5 mg; 0.7 mg, 0.75 mg.
Ganz besonders bevorzugt sind Tagesdosierungen von 0,18 mg bis 0,5 mg, stärker bevorzugt von 0,25 mg bis 0,5 mg.Very particular preference is given to daily dosages of from 0.18 mg to 0.5 mg, more preferably from 0.25 mg to 0.5 mg.
Diese Verbesserung spiegelt sich auch bei dem subjektive Eindruck der behandelten Patienten wieder, die mehrheitlich eine stark verbesserte oder sehr stark verbesserte Veränderung wahrnehmen.This improvement is also reflected in the subjective impression of the treated patients, most of whom perceive a greatly improved or greatly improved change.
Es zeigte sich in offenen Studien, dass der nachhaltige klinische Effekt auch noch nach 12 Monaten anhält.It has been shown in open studies that the sustained clinical effect persists even after 12 months.
Zur internationalen RLS-Skala wird verwiesen auf:For the international RLS scale reference is made to:
1. Allen, R. P., Picchietti, D., Hening, W. A., Trenkwalder, Allen, R. P., Picchietti, D., Hening, W. A., Trenkwalder, C, Walters, A. S., Montplaisir, J.: Restless legs Syndrome: diagnostic criteria, special considerations, and epidemiology. A report from the restless legs Syndrome diagnosis and epidemiology Workshop at the National Institutes of Health. Sleep Med. 4 (2003), 101-120.1. Allen, RP, Picchietti, D., Hening, WA, Trenkwalder, Allen, RP, Picchietti, D., Hening, WA, Trenkwalder, C, Walters, AS, Montplaisir, J .: Restless legs syndrome: diagnostic criteria, special considerations, and epidemiology. A report from the restless legs Syndrome diagnosis and epidemiology Workshop at the National Institutes of Health. Sleep Med. 4 (2003), 101-120.
2. Walters, A. S. and the International Restless Legs Syndrome Study Group: Towards a better defmition of the Restless Legs Syndrome. Mov. Disord. 10 (1995), 634-642.2. Walters, A.S. and the International Restless Legs Syndrome Study Group: Towards a Better Definition of the Restless Legs Syndrome. Mov. Disord. 10 (1995), 634-642.
Pramipexol wird bevorzugt als freie Base, 2-Amino-6-n-propylamino-4, 5,6,7- tetrahydrobenzothiazolin oder in Form eines pharmakologisch verträglichen Salzes gegeben. Besonders bevorzugt sind Salze mit Salzsäure, insbesondere das Dihydrochlorid.Pramipexole is preferably added as free base, 2-amino-6-n-propylamino-4, 5,6,7-tetrahydrobenzothiazoline or in the form of a pharmacologically acceptable salt. Particular preference is given to salts with hydrochloric acid, in particular the dihydrochloride.
Neben den bereits genannten Tabletten sind andere galenische Zubereitungen wie beispielsweise Tabletten, Dragees, Suppositorien, Lösungen für die Injektion oder Tropfen aus dem Stand der Technik bekannt. Klinische UntersuchungIn addition to the tablets already mentioned, other pharmaceutical preparations such as tablets, dragees, suppositories, solutions for injection or drops of the prior art are known. Clinical examination
In einer Multicenter, Plazebo-kontrollierten, doppel-blinden, randomisierten Studie in Deutschland wurde der nachhaltige Effekt von Pramipexole auf Patienten mit RLS untersucht. Alle Patienten, die in der Studie eingeschlossen waren, hatten zunächst über 6 Monate Pramipexol eingenommen, bevor sie randomisiert einer doppel-blinden kontrollierten Entzugsphase zugeführt worden waren.In a multicenter, placebo-controlled, double-blind, randomized trial in Germany, the long-term effect of pramipexole on patients with RLS was investigated. All patients included in the study initially took pramipexole for 6 months before being randomized to a double-blind, controlled withdrawal phase.
Alle Patienten die nach der 6-monatigen Behandlung die vordefinierten Behandlungseffekte gezeigt haben wurden in die kontrollierte zweite Studienphase eingeschlossen Dabei wurden 150 Patienten mit idiopathischem RLS, die auf die Behandlung angesprochen hatten nach dem Zufallsprinzip ausgewählt und für 3 weitere Monate mit Plazebo (n = 72) oder Pramipexole (n = 78) in individualisierten Dosen von 0.125 bis 0.75 mg behandelt. Es wurde erwartet, dass in der Plazebo-Gruppe die RLS-Symptome erneut bzw. verstärkt auftreten würden während in der Pramipexol-Gruppe die Patienten weiterhin von der bereits eingeleiteten Behandlung profitieren würden. Der Schweregrad der Symptome wurde anhand des Unterschieds zwischen dem Zeitpunkt der Randomisation nach 6 Monaten und dem Ergebnis nach Beendigung der Studie gemäß der internationalen RLS Skala ermittelt. Die Ergebnisse von 147 Patienten wurden ausgewertet. Die Patienten hatten ein Durchschnittsalter von 59.6 Jahren, 72.8 % waren weiblich, die Symptome bestanden durchschnittlich seit 5.6 Jahren. Die Schwere der RLS Symptome nahm über die Studiendauer in der Plazebo-Gruppe signifikant deutlicher zu als in der Pramipexol-Gruppe. Die angepasste mittlere Abweichung (SE) von der Basislinie gemäß der internationalen RLS Skala betrug +14.86 für die Plazebo- Gruppe und +2.03 für die Pramipexol-Gruppe. Die Studie zeigt, dass eine kontinuierliche Behandlung mit Pramipexole auch über 6 Monate und mehr zu einer nachhaltigen Verbesserung der RLS Symptome führt. All patients who demonstrated the predefined treatment effects after the 6-month treatment were included in the controlled second-stage study. 150 patients with idiopathic RLS who had responded to treatment were randomly selected and treated with placebo (n = 72 ) or pramipexole (n = 78) in individualized doses of 0.125 to 0.75 mg. In the placebo group, RLS symptoms were expected to be recurrent or increased whereas in the pramipexole group, patients would continue to benefit from treatment already initiated. The severity of the symptoms was determined by the difference between the time of randomization at 6 months and the result after completion of the study according to the international RLS scale. The results of 147 patients were evaluated. The patients had a mean age of 59.6 years, 72.8% were female, the symptoms had been on average for 5.6 years. The severity of RLS symptoms increased significantly more significantly over the study period in the placebo group than in the pramipexole group. The adjusted mean deviation (SE) from the baseline according to the international RLS scale was +14.86 for the placebo group and +2.03 for the pramipexole group. The study shows that continuous treatment with pramipexole for more than 6 months and more leads to a sustained improvement in RLS symptoms.

Claims

Patentansprüche claims
1. Verwendung des Wirkstoffs 2-Amino-6-n-propylamino-4, 5,6,7- tetrahydrobenzothiazol, seinem (-)- oder (+)-Enantiomer, sowie seiner pharmakologisch verträglichen Salze zur Herstellung eines Medikaments zur Behandlung des moderaten bis schweren Restless Legs Syndroms.1. Use of the active ingredient 2-amino-6-n-propylamino-4, 5,6,7-tetrahydrobenzothiazole, its (-) - or (+) - enantiomer, and its pharmacologically acceptable salts for the manufacture of a medicament for the treatment of the moderate until severe Restless Legs Syndrome.
2. Verwendung nach Anspruch 1, dadurch gekennzeichnet, dass moderate bis schwere RLS vorliegt, wenn die betroffenen und unbehandelten Patienten auf der internationalen RLS Skala einen Punktwert > 15 erreichen, bevorzugt > 20.2. Use according to claim 1, characterized in that moderate to severe RLS is present when the affected and untreated patients on the international RLS scale score> 15, preferably> 20.
3. Verwendung nach Anspruch 1, dadurch gekennzeichnet, dass moderate bis schwere RLS vorliegt, wenn die Symptome in der Regel mehr als zweimal pro Woche auftreten.3. Use according to claim 1, characterized in that moderate to severe RLS is present when the symptoms usually occur more than twice a week.
4. Verwendung des Wirkstoffs 2-Amino-6-n-propylamino-4, 5,6,7- tetrahydrobenzothiazol, seinem (-)- oder (+)-Enantiomer, sowie seiner pharmakologisch verträglichen Salze zur Herstellung eines Medikaments zur Verbesserung der RLS-Symptomatik, die über einen Zeitraum von 6 Monaten und/oder mehr, besonders über einen Zeitraum von wenigstens 7 Monaten, insbesondere über einen Zeitraum von wenigsten 8 Monaten anhält, wobei der Wirkstoff in einer Dosierung von 0,1 bis 1,5 mg einmal täglich über den gleichen Zeitraum verabreicht wird.4. Use of the active ingredient 2-amino-6-n-propylamino-4, 5,6,7-tetrahydrobenzothiazole, its (-) - or (+) - enantiomer, as well as its pharmacologically acceptable salts for the manufacture of a medicament for the improvement of RLS Symptomatology which persists for a period of 6 months and / or more, especially over a period of at least 7 months, more particularly over a period of at least 8 months, the active ingredient being dosed at 0.1 to 1.5 mg once administered daily over the same period.
5. Verwendung nach Anspruch 4, dadurch gekennzeichnet, dass die RLS eine moderate bis schwere RLS ist, bevorzugt, dass die betroffenen und unbehandelten Patienten auf der internationalen RLS Skala einen Punktwert > 15 erreichen, bevorzugt > 20.5. Use according to claim 4, characterized in that the RLS is a moderate to severe RLS, it is preferred that the affected and untreated patients on the international RLS scale score> 15, preferably> 20.
6. Verwendung nach Anspruch 4, dadurch gekennzeichnet, dass die RLS eine moderate bis schwere RLS ist, bevorzugt, dass die Symptome mehr als zweimal pro Woche auftreten. 6. Use according to claim 4, characterized in that the RLS is a moderate to severe RLS, it is preferred that the symptoms occur more than twice a week.
7. Verwendung des Wirkstoffs 2-Amino-6-n-propylamino-4, 5,6,7- tetrahydrobenzothiazol, seinem (-)- oder (+)-Enantiomer, sowie seiner pharmakologisch verträglichen Salze zur Herstellung eines Medikaments zur Verbesserung der RLS-Symptomatik innerhalb eines Zeitraums von 1 Woche, wobei der Wirkstoff in einer Dosierung von 0, 1 bis 1 mg einmal täglich über den gleichen Zeitraum verabreicht wird.7. Use of the active ingredient 2-amino-6-n-propylamino-4, 5,6,7-tetrahydrobenzothiazole, its (-) - or (+) - enantiomer, as well as its pharmacologically acceptable salts for the manufacture of a medicament for the improvement of RLS Symptoms within a 1-week period, with the active ingredient being administered at a dosage of 0, 1 to 1 mg once daily over the same period of time.
8. Verwendung nach Anspruch 8, dadurch gekennzeichnet, dass die RLS eine moderate bis schwere RLS ist, bevorzugt, dass die betroffenen und unbehandelten Patienten auf der internationalen RLS Skala einen Punktwert > 15 erreichen, bevorzugt > 20.8. Use according to claim 8, characterized in that the RLS is a moderate to severe RLS, it is preferred that the affected and untreated patients on the international RLS scale score> 15, preferably> 20.
9. Verwendung nach Anspruch 8, dadurch gekennzeichnet, dass die RLS eine moderate bis schwere RLS ist, bevorzugt, dass die Symptome mehr als zweimal pro Woche auftreten. 9. Use according to claim 8, characterized in that the RLS is a moderate to severe RLS, it is preferred that the symptoms occur more than twice a week.
EP06807270A 2005-10-18 2006-10-16 Use of pramipexol for treating moderate to severe restless legs syndrome (rls) Withdrawn EP1940398A1 (en)

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PCT/EP2006/067408 WO2007045620A1 (en) 2005-10-18 2006-10-16 Use of pramipexol for treating moderate to severe restless legs syndrome (rls)

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