Method and composition for hyperthermally treating cells
View Patent ↗A method and composition for hyperthermally treating tumor cells in a patient under conditions that affect tumor stem cells and tumor cells. In one embodiment, the method provides a synergistic effect with chemotherapy.
1. A method to target therapy to cells in a patient in need thereof, the method comprising
(a) administering an antibody-coated and/or drug-containing nanoparticle composition to a patient in need thereof,
(b) thereafter in the absence of a contrast agent administering staged temperature increase thermotherapy at a target containing the antibody specific and/or drug-coated nanoparticles and exposing the target to an energy source to generate an acoustic sound in-situ, the thermotherapy administered under conditions sufficient to result in targeted therapy to cells in the patient.
2. The method of claim 1 where the site is imaged during temperature increases.
3. The method of claim 1 where the staged temperature increase results in drug release from the nanoparticles.
4. The method of claim 1 where the staged temperature increase results in thermotherapy.
5. The method of claim 1 where the staged temperature increase results in gas expansion and membrane, cytoplasm, and/or nucleus pore expansion.
6. The method of claim 1 where the staged temperature increase results in water evaporation and killing of targeted cells.
7. The method of claim 2 where means for imaging controls the thermotherapy.
8. The method of claim 1 where the thermotherapy comprises
providing a drug release temperature at the target of at least 35° C. to 43° C.,
thereafter providing a thermotherapy temperature at the target from 43° C. to 50° C.,
thereafter providing a temperature at the site, resulting in gas expansion and membrane, cytoplasm, and/or nucleus pore expansion, from 50° C. to 60° C., and
thereafter providing a temperature of greater than 60° C. up to 100° C. at the site resulting in water evaporation.
9. The method of claim 1 where the thermotherapy comprises
providing a drug release temperature at the target of at least 35° C. to 43° C. for about 0.5 min to about 20 min,
thereafter providing a thermotherapy temperature at the target from 43° C. to 50° C. for about 1 min to about 15 min,
thereafter providing a temperature at the target, resulting in gas expansion and membrane, cytoplasm, and/or nucleus pore expansion, from 50° C. to 60° C. for about 1 min to about 10 min, and
thereafter providing a temperature at the target resulting in water evaporation of greater than 60° C. up to 100° C. for less than one second to about a few minutes.
10. The method of claim 1 where the target is a tumor site.
11. The method of claim 1 where the target is an organism.
12. The method of claim 1 where the thermotherapy is provided by at least one of electromagnetic radiation, ultrasound energy, or alternating magnetic field.
13. The method of claim 1 where the anti-tumor antibody coated nanoparticles further comprise a thermosensitive polymer resulting in release of a drug contained in the nanoparticle by dissociation of the polymer when the thermal sensitive temperature is reached.
14. The method of claim 13 where the thermosensitive polymers include chitosan-poly(N-isopropylacrylamide), smart polymers, poly(N-isopropylacrylamide (PNI PAM), poloxamers, poloxamines, and/or acid (PMA) polymers modified with thiol groups (PMA SH ).
15. The method of claim 1 performed on the patient receiving at least one of chemotherapy, radiation therapy, anti-vascular endothelial growth-factor therapy, or steroid therapy.
16. The method of claim 2 where imaging comprises thermal imaging, photoacoustic imaging, X-ray imaging, optical coherence tomography, ultrasound imaging, fluorescence imaging, chemiluminescent imaging, positron imaging, surface enhanced Raman spectroscopy, and/or magnetic resonance imaging.
17. The method of claim 1 where the temperature rise is regulated via a processor by a photoacoustic system or by magnetic resonance imaging.
18. The method of claim 1 where the composition administered in (a) contains a magnetic, diamagnetic, ferromagnetic, and/or paramagnetic nanoparticle.
19. The method of claim 1 where the composition administered in (a) contains a gold nanoparticle, diamond nanoparticle, platinum nanoparticle, and/or carbon nanoparticle.
20. A method to target therapy to cells in a patient in need thereof, the method comprising
(a) administering an antibody-coated and/or drug-containing nanoparticle composition to a patient in need thereof,
(b) thereafter administering staged temperature increase thermotherapy at a target containing the antibody specific and/or drug-coated nanoparticles and exposing the target to an energy source to generate an acoustic sound in-situ, the thermotherapy administered under conditions sufficient to result in targeted therapy to cells in the patient.