Stable polymorph on N-(3-ethynylphenyl)-6, 7-bis (2methoxyethoxy)-4-quinazolinamine hydrochloride, methods of production, and pharmaceutical uses thereof
DC CAFCFirst Claim
1. A homogeneous crystalline polymorph of the hydrochloride salt of N-(3-ethynylphenyl)-6,7-bis(2-methoxyethoxy)-4-Quinazolinamine designated the B polymorph that exhibits an X-ray powder diffraction pattern having characteristic peaks expressed in degrees 2-theta at approximately 6.26, 12.48, 13.39, 16.96, 20.20, 21.10, 22.98, 24.46, 25.14, and 26.91.
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Abstract
The present invention relates to a stable crystalline form of N-(3-ethynylphenyl)-6,7-bis(2-methoxyethoxy)-4-quinazolinamine hydrochloride designated the B polymorph, its production in essentially pure form, and its use. The invention also relates to the pharmaceutical compositions containing the stable polymorph B form of N-(3-ethynylphenyl)-6,7-bis(2-methoxyethoxy)-4-quinazolinamine as hydrochloride, as well other forms of the compound, and to methods of treating hyperproliferative disorders, such as cancer, by administering the compound.
108 Citations
79 Claims
- 1. A homogeneous crystalline polymorph of the hydrochloride salt of N-(3-ethynylphenyl)-6,7-bis(2-methoxyethoxy)-4-Quinazolinamine designated the B polymorph that exhibits an X-ray powder diffraction pattern having characteristic peaks expressed in degrees 2-theta at approximately 6.26, 12.48, 13.39, 16.96, 20.20, 21.10, 22.98, 24.46, 25.14, and 26.91.
- 3. A crystalline polymorph of the hydrochloride salt of N-(3-ethynylphenyl)-6,7-bis(2-methoxyethoxy)-4-quinazolinamine designated the B polymorph that exhibits an X-ray powder diffraction pattern having characteristic peaks expressed in degrees 2-theta at approximately 6.26, 12.48, 13.39, 16.96, 20.20, 21.10, 22.98, 24.46, 25.14 and, 26.91, which is free of the A polymorph.
- 5. A composition comprising a crystalline polymorph of the hydrochloride salt of N-(3-ethynylphenyl)-6,7-bis(2-methoxyethoxy)-4-quinazolinamine designated the B polymorph that exhibits an X-ray powder diffraction pattern having characteristic peaks expressed in degrees 2-theta at approximately 6.26, 12.48, 13.39, 16.96, 20.20, 21.10, 22.98, 24.46, 25.14 and, 26.91, and a carrier, wherein the composition is free of the A polymorph.
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16. A composition consisting of a homogeneous crystalline polymorph of N-(3-ethynylphenyl)-6,7-bis(2-methoxyethoxy)-4-quinazolinamine hydrochloride in the form of polymorph B, which is characterized by the following peaks:
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Polymorph B Anode;
Cu—
Wavelength 1 1.54056 Wavelength 2;
1.54439 (Rel Intensity;
0.500)Range #1—
Coupled 3.000 to 40.040 StepSize;
0.040 StepTime 1.00Smoothing Width;
0.300 Threshold;
1.0d(A) I(rel) d(A) I(rel) d(A) I(rel) d(A) I(rel) d(A) I(rel) 14.11826 100.0 5.01567 2.5 3.86656 4.8 3.23688 0.9 2.74020 1.7 11.23947 3.2 4.87215 0.7 3.76849 2.3 3.16755 1.5 2.69265 1.7 9.25019 3.9 4.72882 1.5 3.71927 3.0 3.11673 4.3 2.58169 1.5 7.74623 1.5 4.57666 1.0 3.63632 6.8 3.07644 1.4 2.51043 0.8 7.08519 6.4 4.39330 14.4 3.63967 10.0 2.99596 2.1 2.47356 1.0 6.60941 9.6 4.28038 4.2 3.47448 3.7 2.95049 0.9 2.43974 0.6 5.98828 2.1 4.20645 14.4 3.43610 3.9 2.89151 1.6 2.41068 1.1 5.63253 2.9 4.06007 4.7 3.35732 2.8 2.83992 2.2 2.38755 1.4 6.22369 5.5 3.95667 4.5 3.31029 5.6 2.81037 2.4 2.35914 1.7
or,Polymorph B Anode;
Cu—
Wavelength 1 1.54056 Wavelength 2;
1.54439 (Rel Intensity;
0.500)Range# 1—
Coupled;
3.000 to 40.040 StepSize 0.040 StepTime;
1.00Soothing Width;
0.300 Threshold;
1.02-Theta I(rel) 2-Theta I(rel) 2-Theta I(rel) 2-Theta I(rel) 2-Theta I(rel) 6.255 100.0 17.668 2.5 22.982 4.8 27.534 0.9 32.652 1.7 7.860 3.2 18.193 0.7 23.589 2.3 28.148 1.5 33.245 1.7 9.553 3.9 18.749 1.5 23.906 3.0 28.617 4.3 34.719 1.5 11.414 1.5 19.379 1.0 24.459 6.8 29.000 1.4 35.737 0.6 12.483 6.4 20.196 14.4 25.138 10.0 29.797 2.1 36.288 1.0 13.385 9.6 20.734 4.2 25.617 3.7 30.267 0.9 36.809 0.6 14.781 2.1 21.103 14.4 25.908 3.9 30.900 1.8 37.269 1.1 15.720 2.9 21.873 4.7 26.527 2.8 31.475 2.2 37.643 1.4 16.959 5.5 22.452 4.5 26.911 5.6 31.815 2.4 38.114 1.7
and at least one carrier.
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42. A method of inhibiting the development of basal or squamous cell carcinoma of the skin in areas exposed to the sun or in persons of high risk to said carcinoma, said method comprising administering to said persons a therapeutically effective amount of a pharmaceutical composition comprised of at least one of N-(3-ethynylphenyl)-6,7-bis(2-methoxyethoxy)-4-quinazolinamine, or pharmaceutically acceptable salts thereof in anhydrous or hydrate forms, and a carrier, so as to thereby inhibit the development of basal or squamous cell carcinoma of the skin.
- 44. A method for the treatment of NSCLC (non small cell lung cancer), pediatric malignancies, cervical and other tumors caused or promoted by human papilloma virus (HFV), Barrett'"'"'s esophagus (pre-malignant syndrome), or neoplastic cutaneous diseases in a mammal comprising administering to said mammal a therapeutically effective amount of a pharmaceutical composition comprised of at least one of N-(3-ethynylphenyl)-6,7-bis(2-methoxyethoxy)-4-quinazolinamine, or pharmaceutically acceptable salts thereof in anhydrous or hydrate forms, and a carrier.
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54. A method for the treatment of NSCLC (non small cell lung cancer), pediatric malignancies, cervical and other tumors caused or promoted by human papilloma virus (HPV), endometrial cancer, glioma, melanoma, Barrett'"'"'s esophagus (pre-malignant syndrome), adrenal and skin cancers, or neoplastic cutaneous diseases in a mammal comprising administering to said mammal a therapeutically effective amount of a pharmaceutical composition comprised of at least one of N-(3-ethynylphenyl)-6,7-bis(2-methoxyethoxy)-4-quinazolinamine, or pharmaceutically acceptable salts thereof in anhydrous or hydrate forms,
wherein the treatment further comprises, a) treatment with either or both anti-EGFR and anti-EGF antibodies, b) administration to said mammal of a member of the group consisting of inhibitors of MMP (matrix-metallo-proteinase), VEGFR (vascular endothelia growth factor receptor), farnesyl transferase, CTLA4 (cytotoxic T-lymphocyte antigen 4) and erbB2, MAb to VEGFr, rhuMAb-VEGF, erbB2 MAb and avb3 Mab, or c) radiation treatment.
- 55. A method for the treatment of NSCLC (non small cell lung cancer), pediatric malignancies, cervical and other tumors caused or promoted by human papilloma virus (HPV), endometrial cancer, glioma, melanoma, Barrett'"'"'s esophagus (pre-malignant syndrome), adrenal cancers, or neoplastic cutaneous diseases in a mammal comprising administering to said mammal a therapeutically effective amount of a pharmaceutical composition comprised of a crystalline polymorph of the hydrochloride salt of N-(3-ethynylphenyl)-6,7-bis(2-methoxyethoxy)-4-quinazolinamine designated the B polymorph that exhibits an X-ray powder diffraction pattern having characteristic peaks expressed in degrees 2-theta at approximately 6.26, 12.48, 13.39, 16.96, 20.20, 21.10, 22.98, 24.46, 25.14 and, 26.91, which is free of the A polymorph, and a pharmaceutically acceptable carrier.
- 66. A process for preparing a crystalline polymorph of N-(3-ethynylphenyl)-6,7-bis(2-methoxyethoxy)-4-quinazolinamine hydrochloride designated the B polymorph, which is free of the A polymorph, which comprises the step of recrystallizing N-(3-ethynylphenyl)-6,7-bis(2-methoxyethoxy)-4-quinazolinamine hydrochloride in a solvent comprising alcohol.
- 75. A process of making a composition which composition comprises a crystalline polymorph of the hydrochloride salt of N-(3-ethynylphenyl)-6,7-bis(2-methoxyethoxy)-4-quinazolinamine designated the B polymorph that exhibits an X-ray powder diffraction pattern having characteristic peaks expressed in degrees 2-theta at approximately 6.26, 12.48, 13.39, 16.96, 20.20, 21.10, 22.98, 24.46, 25.14 and, 26.91, which is free of the A polymorph, comprising admixing the crystalline-polymorph with a carrier.
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78. A process for the production of a crystalline polymorph of the hydrochloride salt of N-(3-ethynylphenyl)-6,7-bis(2-methoxyethoxy)-4-quinazolinamine designated the B polymorph by recrystallization comprising the steps of:
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a) heating to reflux alcohol, water and the hydrochloride salt of N-(3-ethynylphenyl)-6,7-bis(2-methoxyethoxy)-4-quinazolinamine so as to form a solution;
b) cooling the solution to between about 65 and 70°
C.;
c) clarifying the solution; and
d) precipitating polymorph B by further cooling the clarified solution.
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Specification