Treatment of subarachnoid hemorrhage with Apo E analogs
Novel ApoE peptide derivatives and ApoE-protein transduction domain conjugates are disclosed which are useful for treating disorders including subarachnoid hemorrhage, intracerebral hemorrhage, and intraventricular hemorrhage and other brain disorders. The invention encompasses methods for treating cerebral vasospasm by administration of at least one ApoE or ApoE mimetic peptide.
1. A method of treating or ameliorating a cerebral hemorrhage, said method comprising administering to a subject in need thereof, an effective amount of at least one ApoE analog, wherein said ApoE analog consists of no more than about 50 amino acids and comprises a sequence corresponding to at least amino acids 138-149 of ApoE and having at least one substitution of an amino acid at positions 138, 140, 141, 145 or 148, wherein S139, R142, K143, L144, K146, R147, and L149 are unchanged.
2. The method of claim 1 , wherein said cerebral hemorrhage is selected from the group consisting of intraventricular hemorrhage (IVH), intracerebral hemorrhage (ICH), and subarachnoid hemorrhage (SAH).
3. The method of claim 2 , wherein said subarachnoid hemorrhage is aneurismal subarachnoid hemorrhage.
4. The method of claim 1 , wherein said ApoE analog is selected from the group consisting of:
(SEQ. ID. NO. 3)
Ac-ASH-Aib-RKLRKRLL-NH 2
(SEQ. ID. NO. 4)
Ac-AS-Aib-LRKLRKRLL-NH 2
(SEQ. ID. NO. 5)
Ac-DS-Aib-LRKLRKRLL-NH 2
(SEQ. ID. NO. 6)
Ac-ASHLRKL-Aib-KRLL-NH 2
(SEQ. ID. NO. 7)
Ac-AS-Aib-LRKL-Aib-KRLL-NH 2
(SEQ. ID. NO. 8)
Ac-DR-Aib-ASHLRKLRKR-Aib-L-NH 2
(SEQ. ID. NO. 9)
Ac-DS-Aib-LRKLRKR-Aib-L-NH 2
(SEQ. ID. NO. 10)
Ac-DR-Aib-ASHLRKL-Aib-KRLL-NH 2
(SEQ. ID. NO. 11)
Ac-DS-Aib-LRKL-Aib-KRLL-NH 2
(SEQ. ID. NO. 12)
Ac-DR-Aib-AS-Aib-LRKLRKRLL-NH 2
(SEQ. ID. NO. 13)
Ac-DR-Aib-ASHLRKLRKRLL-NH 2
(SEQ. ID. NO. 14)
Ac-CAS-Aib-LRKL-Aib-KRLL-NH 2
(SEQ. ID. NO. 15)
Ac-DS-Aib-LRKL-Aib-KRLL-NH 2
(SEQ. ID. NO. 28)
Ac-ASH-Aib-RKL-Aib-KRLL-NH 2
(SEQ. ID. NO. 30)
Ac-AS-Aib-LRKL-Aib-KR-(NLe)-L-NH 2
(SEQ. ID. NO. 45)
Ac-ASHCRKLCKRLL-NH 2
(SEQ. ID. NO. 46)
Ac-ASCLRKLCKRLL-NH 2
(SEQ. ID. NO. 47)
Ac-CSHLRKLCKRLL-NH 2
(SEQ. ID. NO. 48)
Ac-ASHLRKCRKRCL-NH 2
(SEQ. ID. NO. 49)
Ac-ASHCRKLRKRCL-NH 2
and a pharmaceutically acceptable salt, solvate, and/or amide thereof.
5. The method of claim 4 , wherein said ApoE analog is Ac-AS-Aib-LRKL-Aib-KRLL-amide (SEQ. ID. NO. 7).
6. The method of claim 1 , wherein a PTD is conjugated to the ApoE analog.
7. The method of claim 6 , wherein said PTD is selected from the group consisting of
GRKKRRQRRRPPQ
(SEQ. ID. NO. 50)
RQIKIWFQNRRMKWKK
(SEQ. ID. NO. 51)
RRMKWKK
(SEQ. ID. NO. 52)
RGGRLSYSRRRFSTSTGR
(SEQ. ID. NO. 53)
RRLSYSRRRF
(SEQ. ID. NO. 54)
RGGRLAYLRRRWAVLGR
(SEQ. ID. NO. 55)
RRRRRRRR.
(SEQ. ID. NO. 56)
8. The method of claim 1 , wherein said ApoE analog is administered within about 24-72 hours after subarachnoid hemorrhage has occurred.
9. The method of claim 1 , wherein said ApoE analog is administered within the first several weeks after subarachnoid hemorrhage has occurred.
10. The method of claim 1 , wherein said ApoE analog is administered at least about every 8 hours.
11. The method of claim 1 , wherein said ApoE analog is administered at least about every 12 hours.
12. The method of claim 1 , wherein said ApoE analog is administered during surgery to treat subarachnoid hemorrhage.
13. The method of claim 1 , further comprising co-administering a therapeutic amount of at least one additional active agent.
14. The method of claim 13 , wherein said additional active agent is a voltage-gated calcium channel inhibitor.
15. The method of claim 14 , wherein said voltage-gated calcium channel inhibitor is a small molecule.
16. The method of claim 15 , wherein said small molecule is nimodipine.
17. A composition, comprising at least one ApoE analog and at least one voltage-gated calcium channel inhibitor formulated with a pharmaceutically-acceptable carrier, wherein said ApoE analog consists of no more than about 50 amino acids and comprises a sequence corresponding to at least amino acids 138-149 of ApoE and having at least one substitution of an amino acid at positions 138, 140, 141, 145 or 148, wherein S139, R142, K143, L144, K146, R147, and L149 are unchanged.
18. A method of treating or ameliorating subarachnoid hemorrhage (SAH), said method comprising administering to a subject in need thereof, an effective amount of the composition of claim 17 .
19. The method of claim 18 , wherein the composition is administered orally.
20. The method of claim 18 , wherein the composition is administered intravenously.
21. The method of claim 1 , wherein said subject has suffered a cerebral vasospasm.
22. The method of claim 1 , wherein said subject is at risk of a cerebral vasospasm.
23. A method of treating or ameliorating a cerebral hemorrhage, said method comprising administering to a subject in need thereof, an effective amount of at least one ApoE analog, wherein said ApoE analog is Ac-AS-Aib-LRKL-Aib-KRLL-amide (SEQ. ID. NO. 7).