Abstract: Palladium-substituted Bacteriochlorophyll derivatives are administered to a subject suspected of having a tumor and the patient is then irradiated and the fluorescence of the suspected area is measured. A high fluorescence indicates a tumor site. A preferred derivative is Pd-Bacteriopheophorbide a.

Abstract: Palladium-substituted Bacteriochlorophyll derivatives are administered to a subject suspected of having a tumor and the patient is then irradiated and the fluorescence of the suspected area is measured. A high fluorescence indicates a tumor site. A preferred derivative is Pd-Bacteriopheophorbide a.

Abstract: Novel C-132-COXR1, C-172-COXR2 and C-132-COXR1, C-172-COXR1 derivatives of chlorophyll and bacteriochlorophyll compounds are provided wherein X is O, S or N and R1 and R2, the same or different, may be an optionally substituted hydrocarbyl, amino acid, peptide, protein or saccharide radical. The compounds are for use in photodynamic therapy (PDT), for diagnosis of tumors, and for killing cells and infectious agents such as bacteria and virus, both in biological products and in living tissues.

Abstract: Palladium-substituted Bacteriochlorophyll derivatives of formula (I), wherein A represents OH, OR1, —O—(CH2)n—Y, —S—(CH2)n—Y, —NH—(CH2)n—Y, —O—(CH2)2—NH2, —O—(CH2)2—OH, —NH—(CH2)n—+N o, X—, —NH0(CH2)2—NH═BOC or —N—(CH2—CH═CH2)2; wherein R1 represents Na+, K+, (Ca2+)0, 5, (Mg2+)0, 5, Li+, NH4+, NH3—C(CH2OH)3 +NH3—CH2—(CHOH)4—CH2OH, +NH2(CH3)—CH2—(CHOH)4—CH2OH or +N(CN′H2n′+1)4; R2 represents H, OH or COOR4, wherein R4 is C1-C12 alkyl or C3-C12 cycloalkl; R3 represents H, OH or C1-C12 alkyl or alkoxy; n is 1, 2, 3, 4, 5 or 6, Y is —NR′1R′2R′3, X-wherein R′1, R′2 and R′3 independently from each other represent —CH3 or —C2H5; X is F, Cl, Br or 1, n′ is 1, 2, 3 or 4 and their oxidized forms, are u

Abstract: The present invention relates to a new method of preparation of metalated bacteriochlorophyll derivatives for use in methods of in vivo photodynamic therapy (PDT) and diagnosis and in vitro photodynamic killing of viruses and microorganisms, and to some novel metal-substituted bacteriochlorophyll derivatives.

Abstract: Conjugates of chlorophyll (Chl) and bacteriochlorophyll (Bchl) derivatives with amino acids, peptides and proteins are provided by the invention. The amino acid, peptide or protein residue is linked to the 17-propionic acid group of a Chl or Bchl residue directly or through a chain. The conjugates are for use as photosensitizers in photodynamic therapy and in diagnostics of tumors. Conjugation with cell-specific ligands, such as hormones, growth factors or tumor-specific antibodies, will target the Chl or Bchl moiety to the tumor site. Thus, conjugates with melanocyte stimulating hormones are suitable for photodynamic therapy of melanoma tumors.