# US 2019/0167707 A1 · Cladribine regimen for treating progressive forms of Multiple Sclerosis

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- Number: US 2019/0167707 A1
- Document ID: US20190167707A1
- Status: Published application
- Kind: A1
- Application number: 16/199,119
- Filed: 2018-11-23
- Published: 2019-06-06
- Earliest claimed: 2017-11-24
- Assignees: Merck Patent GmbH
- Applicants: Merck Patent GmbH
- Inventors: Fernando Dangond; Matthias Dotzauer
- Web page: https://patentgrep.com/patent/US20190167707A1

## CPC

- A61K 31/7076: containing purines, e.g. adenosine, adenylic acid
- A61K 9/20: Pills, tablets, {discs, rods (A61K9/0004, A61K9/0007, A61K9/0056, A61K9/0065 take precedence; for reconstitution of a drink A61K9/0095)}
- A61K 9/2013: {Organic compounds, e.g. phospholipids, fats}
- A61K 9/2018: {Sugars, or sugar alcohols, e.g. lactose, mannitol; Derivatives thereof, e.g. polysorbates}
- A61K 9/205: {Polysaccharides, e.g. alginate, gums; Cyclodextrin}
- A61K 38/215: {IFN-beta}
- A61P 25/00: Drugs for disorders of the nervous system
- A61P 37/02: Immunomodulators
- A61K: PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES (devices or methods specially adapted for bringing pharmaceutical products into particular physical or administering forms A61J3/00; chemical aspects of, or use of materials for deodorisation of air, for disinfection or sterilisation, or for bandages, dressings, absorbent pads or surgical articles A61L; soap compositions C11D)
- A61P: SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS

## Abstract

Specific oral dosings, specific oral dosage forms, and/or specific oral dose regimens including Cladribine can be effective for the treatment of progressive forms of Multiple Sclerosis, especially Primary Progressive Multiple Sclerosis and/or Secondary Progressive Multiple Sclerosis. Methods of treatment can be based on specific oral dosings, specific oral dosage forms, and/or specific oral dose regimens including Cladribine.

## Claims

### Claim at position 1

1: A method of treating a progressive form of Multiple Sclerosis, said method comprising: orally administering Cladribine to a patient in need thereof at fixed dose per patient, per body weight and per treatment year, wherein said fixed dose is in a range of 1.5 mg/kg to 4.0 mg/kg.

### Claim 2

(canceled)

### Claim at position 3 (depends on 1)

3: The method according to claim 1, wherein said fixed dose per patient is 1.75 mg/kg per treatment year with a maximum deviation of +/−0.2 mg/kg.

### Claim at position 4 (depends on 1)

4: The method according to claim 1, wherein said progressive form of multiple sclerosis comprises Primary Progressive Multiple Sclerosis and/or Secondary Progressive Multiple Sclerosis.

### Claim at position 5

5-15. (canceled)

### Claim at position 6 (depends on 1)

16: The method according to claim 1, wherein said fixed dose is orally administered to said patient within two adjacent months within said treatment year.

### Claim at position 7

17-18. (canceled)

### Claim at position 8 (depends on 16)

19: The method according to claim 16, wherein said fixed dose is orally administered to said patient within one week or two adjacent weeks at the beginning of each one of said two adjacent months.

### Claim 20

(canceled)

### Claim at position 10 (depends on 16)

21: The method according to claim 16, wherein said fixed dose is orally administered to said patient within 4 to 5 days during said week, or within 4 to 5 days of each of said weeks.

### Claim at position 11 (depends on 1)

22: The method according to claim 1, wherein said Cladribine is orally administered for at least three treatment years.

### Claim at position 12

23-25. (canceled)

### Claim at position 13 (depends on 1)

26: The method according to claim 1, wherein each treatment year comprises:
(i) a treatment period of 2 months at the beginning of said treatment year, wherein said fixed dose of Cladribine is orally administered on 3 to 5 days each month at the beginning of each month, said fixed dose being divided into daily doses of 10 or 20 mg of Cladribine, and
(ii) a Cladribine-free period lasting 10 months, during which no Cladribine is administered.

### Claim at position 14 (depends on 1)

27: The method according to claim 1, wherein said patient suffers from Primary Progressive Multiple Sclerosis and/or from Secondary Progressive Multiple Sclerosis, wherein said fixed dose per patient is 1.75 mg/kg per treatment year with a maximum deviation of +/−0.2 mg/kg, and wherein orally administering Cladribine comprises at least two treatment years.

### Claim 28

(canceled)

### Claim at position 16 (depends on 1)

29: The method according to claim 1, wherein orally administering Cladribine comprises at least three treatment years,
a) wherein said fixed dose per treatment year is from 0.75 mg/kg to 2.0 mg/kg,
b) wherein the third treatment year comprises:
(i) a treatment period of 1 month or 2 months at the beginning of said treatment year, wherein said fixed dose of Cladribine is orally administered on 3 to 5 days each month at the beginning of each month, said fixed dose being divided into daily doses of 10 or 20 mg of Cladribine, and
(ii) a Cladribine-free period lasting 11 or 10 months respectively, during which no Cladribine is administered.

### Claim at position 17 (depends on 1)

30: The method according to claim 1, wherein orally administering Cladribine is in one or two treatment years, optionally plus an additional subsequent treatment year, followed by at least one year in which no Cladribine is administered to said patient.

### Claim at position 18 (depends on 1)

31: The method according to claim 1, wherein said Cladribine is orally administered as a liquid, a tablet, or a capsule.

### Claim 32

(canceled)

### Claim at position 20 (depends on 1)

33: The method according to claim 1, wherein said Cladribine is orally administered as a tablet comprising 10 mg of Cladribine in the form of a mixture of Cladribine, 2-hydroxypropyl-β-cyclodextrin and Cladribine-2-hydroxypropyl-β-cyclodextrin-complexes, wherein the weight ratio of Cladribine to 2-hydroxypropyl-β-cyclodextrin is between about 1:10 to about 1:16.

### Claim at position 21

34: A method of treating a patient diagnosed as suffering from a progressive form of Multiple Sclerosis, said method comprising
orally administering to said patient a cumulative dose of Cladribine of about 3.5 mg/kg body weight, with a maximum deviation of +/−0.4 mg/kg, over 2 years, administered in each year as 1 treatment course of about 1.75 mg/kg+/−0.2 mg/kg per year, wherein each treatment course consists of 2 treatment weeks, one at the beginning of the first month and one at the beginning of the second month of the respective treatment year.

### Claim at position 22 (depends on 34)

35: The method according to claim 34, wherein each treatment week consists of 4 or 5 days on which said patient receives 10 mg or 20 mg of Cladribine for oral administration, depending on the body weight of the patient.

### Claim at position 23 (depends on 35)

36: The method according to claim 35, wherein said patient receives the 10 mg or 20 mg of Cladribine for oral administration as a tablet or capsule.

### Claim at position 24 (depends on 36)

37: The method according to claim 36, wherein said patient receives the 10 mg or 20 mg of Cladribine for oral administration as a tablet or capsule comprising 10 mg of Cladribine in the form of a mixture of Cladribine, 2-hydroxypropyl-β-cyclodextrin and Cladribine-2-hydroxypropyl-β-cyclodextrin-complexes, wherein the weight ratio of Cladribine to 2-hydroxypropyl-f-cyclodextrin is between about 1:10 to about 1:16.

### Claim at position 25

38-39. (canceled)

### Claim at position 26 (depends on 34)

40: The method according to claim 34, where the progressive form of Multiple Sclerosis is selected from the group consisting of Primary Progressive Multiple Sclerosis and Secondary Progressive Multiple Sclerosis.

### Claim at position 27 (depends on 40)

41: The method according to claim 40, wherein each treatment week consists of 4 or 5 days on which said patient receives 10 mg or 20 mg of Cladribine for oral administration.

### Claim at position 28 (depends on 34)

42: The method according to claim 34, wherein said patient is between 18 and 65 years old.

### Claim at position 29

43-47. (canceled)

### Claim at position 30 (depends on 34)

48: The method according to claim 34, wherein the patient additionally receives at least one disease modifying drug other than Cladribine.

### Claim at position 31 (depends on 48)

49: The method according to claim 48, wherein said at least one disease modifying drug other than Cladribine is at least one selected from the group consisting of:
Interferon beta-1a, Beta interferon-1a,
Interferon beta-1b, Beta interferon-1b,
Peginterferon beta 1a,
Alemtuzumab,
Daclizumab,
Dimethyl fumarate,
Fingolimod,
Glatiramer acetate,
Natalizumab, and
Teriflunomide.

### Claim at position 32 (depends on 34)

50: The method according to claim 34, wherein after the completion of said 2 years with said 2 treatment courses, no Cladribine is administered to the patients in the subsequent 1 or 2 years following the completion of said 2 years with said 2 treatment courses.

### Claim 51

(canceled)

### Claim at position 34

52: A method of treating a patient suffering from a progressive form of Multiple Sclerosis, comprising orally administering to said patient tablets or capsules containing about 10 mg of Cladribine each, wherein said tablets or capsules are administered during a treatment year comprising the following regimen:
(i) a treatment course lasting 2 months, wherein Cladribine tablets or capsules are orally administered daily at a daily dose of 10 or 20 mg of Cladribine on a treatment week of from 3 to up to 6 days each month;
(ii) followed by a Cladribine-free period lasting 10 months wherein no Cladribine is administered to said patient;
wherein patients having a bodyweight
in the range of 40 to less than 50 kg are administered
1) 4 tablets or capsules (40 mg of Cladribine) in the 1st treatment week of said treatment course,
2) 4 tablets or capsules (40 mg of Cladribine) in the 2nd treatment week of said treatment course;
in the range of 50 to less than 60 kg are administered
1) 5 tablets or capsules (50 mg of Cladribine) in the 1st treatment week of said treatment course, respectively,
2) 5 tablets or capsules (50 mg of Cladribine) in the 2nd treatment week of said treatment course;
in the range of 60 to less than 70 kg are administered
1) 6 tablets or capsules (60 mg of Cladribine) in the 1st treatment week of said treatment course,
2) 6 tablets or capsules (60 mg of Cladribine) in the 2nd treatment week of said treatment course;
in the range of 70 to less than 80 kg are administered
1) 7 tablets or capsules (70 mg of Cladribine) in the 1st treatment week of said treatment course,
2) 7 tablets or capsules (70 mg of Cladribine) in the 2nd treatment week of said treatment course;
in the range of 80 to less than 90 kg are administered
1) 8 tablets or capsules (80 mg of Cladribine) in the 1st treatment week of said treatment course,
2) 7 tablets or capsules (70 mg of Cladribine) in the 2nd treatment week of said treatment course;
in the range of 90 to less than 100 kg are administered
1) 9 tablets or capsules (90 mg of Cladribine) in the 1st treatment week of said treatment course,
2) 8 tablets or capsules (80 mg of Cladribine) in the 2nd treatment week of said treatment course;
in the range of 100 to less than 110 kg are administered
1) 10 tablets or capsules (100 mg of Cladribine) in the 1st treatment week of said treatment course,
2) 9 tablets or capsules (90 mg of Cladribine) in the 2nd treatment week of said treatment course; or
in the range of 110 kg and above are administered
1) 10 tablets or capsules (100 mg of Cladribine) in the 1st treatment week of said treatment course,
2) 10 tablets or capsules (100 mg of Cladribine) in the 2nd treatment week of said treatment course.

### Claim at position 35 (depends on 52)

53: The method according to claim 52, wherein the method further comprises at least one subsequent additional treatment year, wherein said additional treatment year is substantially identical to said treatment year.

### Claim at position 36 (depends on 53)

54: The method according to claim 53, wherein said additional treatment year is directly adjacent to said treatment year, or wherein the method comprises a gap of 1 to 10 months in between the two treatment years.

### Claim 55

(canceled)

### Claim at position 38

56: A method of treating a patient suffering from a progressive form of Multiple Sclerosis, said method comprising orally administering to said patient tablets or capsules containing about 10 mg of Cladribine each, wherein said tablets or capsules are administered during two treatment years comprising the following regimen:
(i) a first treatment course lasting 2 months, wherein Cladribine tablets or capsules are orally administered daily at a daily dose of 10 or 20 mg of Cladribine on 3 to up to 6 days each month;
(ii) followed by a first Cladribine-free period lasting 10 months, wherein no Cladribine is administered to said patient;
(iii) followed by a second treatment course lasting 2 months, wherein Cladribine tablets or capsules are orally administered daily at a daily dose of 10 or 20 mg of Cladribine on 3 to up to 6 days each month; and
(iv) followed by a second Cladribine-free period lasting 10 months, wherein no Cladribine is administered to said patient, and
wherein patients having a bodyweight
in the range of 40 to less than 50 kg are administered
1) 4 tablets or capsules (40 mg of Cladribine) in the 1st treatment week of both the 1st and the 2nd treatment course, respectively,
2) 4 tablets or capsules (40 mg of Cladribine) in the 2nd treatment week of both the 1st and the 2nd treatment course, respectively:
in the range of 50 to less than 60 kg are administered
1) 5 tablets or capsules (50 mg of Cladribine) in the 1st treatment week of both the 1st and the 2nd treatment course, respectively,
2) 5 tablets or capsules (50 mg of Cladribine) in the 2nd treatment week of both the 1st and the 2nd treatment course, respectively:
in the range of 60 to less than 70 kg are administered
1) 6 tablets or capsules (60 mg of Cladribine) in the 1st treatment week of both the 1st and the 2nd treatment course, respectively,
2) 6 tablets or capsules (60 mg of Cladribine) in the 2nd treatment week of both the 1st and the 2nd treatment course, respectively;
in the range of 70 to less than 80 kg are administered
1) 7 tablets or capsules (70 mg of Cladribine) in the 1st treatment week of both the 1st and the 2nd treatment course, respectively,
2) 7 tablets or capsules (70 mg of Cladribine) in the 2nd treatment week of both the 1st and the 2nd treatment course, respectively;
in the range of 80 to less than 90 kg are administered
1) 8 tablets or capsules (80 mg of Cladribine) in the 1st treatment week of both the 1st and the 2nd treatment course, respectively,
2) 7 tablets or capsules (70 mg of Cladribine) in the 2nd treatment week of both the 1st and the 2nd treatment course, respectively;
in the range of 90 to less than 100 kg are administered
1) 9 tablets or capsules (90 mg of Cladribine) in the 1st treatment week of both the 1st and the 2nd treatment course, respectively,
2) 8 tablets or capsules (80 mg of Cladribine) in the 2nd treatment week of both the 1st and the 2nd treatment course, respectively;
in the range of 100 to less than 110 kg are administered
1) 10 tablets or capsules (100 mg of Cladribine) in the 1st treatment week of both the 1st and the 2nd treatment course, respectively,
2) 9 tablets or capsules (90 mg of Cladribine) in the 2nd treatment week of both the 1st and the 2nd treatment course, respectively; or
in the range of 110 kg and above are administered
1) 10 tablets or capsules (100 mg of Cladribine) in the 1st treatment week of both the 1st and the 2nd treatment course, respectively,
2) 10 tablets or capsules (100 mg of Cladribine) in the 2nd treatment week of both the 1st and the 2nd treatment course, respectively.

### Claim at position 39 (depends on 56)

57: The method according to claim 56, wherein said 10 mg or 20 mg of Cladribine for oral administration are administered to the patient as a tablet or capsule comprising 10 mg of Cladribine in the form of a mixture of Cladribine, 2-hydroxypropyl-β-cyclodextrin and Cladribine-2-hydroxypropyl-β-cyclodextrin-complexes, wherein the weight ratio of Cladribine to 2-hydroxypropyl-β-cyclodextrin is between about 1:10 to about 1:16.

### Claim at position 40 (depends on 56)

58: The method according to claim 56, wherein the progressive form of Multiple Sclerosis is Primary Progressive Multiple Sclerosis.

### Claim at position 41 (depends on 56)

59: The method according to claim 56, wherein the progressive form of Multiple Sclerosis is Secondary Progressive Multiple Sclerosis.

### Claim at position 42

60-63. (canceled)

### Claim at position 43 (depends on 56)

64: The method according to claim 56, wherein the patient additionally receives at least one disease modifying drug other than Cladribine.

### Claim at position 44 (depends on 64)

65: The method according to claim 64, wherein said at least one disease modifying drug other than Cladribine is at least one selected from the group consisting of:
Interferon beta-1a, Beta interferon-1a,
Interferon beta-1b, Beta interferon-1b,
Peginterferon beta 1a,
Alemtuzumab,
Daclizumab,
Dimethyl fumarate,
Fingolimod,
Glatiramer acetate,
Natalizumab, and
Teriflunomide.

### Claim 66

(canceled)

### Claim at position 46 (depends on 56)

67: The method according to claim 56, wherein to the patients having completed said 2 treatment courses of one year each, no further Cladribine treatment is administered to said patients in the subsequent years 3 and 4.

### Claim at position 47 (depends on 56)

68: The method according to claim 56, wherein the progressive form of Multiple Sclerosis is selected from the group consisting of Primary Progressive Multiple Sclerosis and Secondary Progressive Multiple Sclerosis.

### Claim at position 48

69-71. (canceled)
