Yttrium-90 and Rhenium-188 Radiopharmaceuticals for Radionuclide Therapy

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Organ biodistribution studies were performed in healthy Wistar rats (4 weeks old). After intravenous injection through the tail vein, and intra-articular injection, retention of 90 Y labelled particles in the animal model was observed up to 72 h. The clearance of 90 Y MDP HA particles (see Fig. 10.10) in the lungs reduced from 68.3%ID/g to 56.5%ID/g at 1–72 h, while for 90 Y HA, it reduced from 31.2%ID/g to 26.7%ID/g after 1 and 72 h. Furthermore, 90 Y HA was found to be less stable with 5.7%ID/g of leached activity accumulating in the bone after 72 h compared to 90 Y MDP HA and 90 Y DPD HA, which showed negligible activity in the bone after 72 h. Organ distribution studies in rats were done also after intra-articular injection of 90 Y labelled particles, 90 Y HA and 90 Y polyphosphate HA. The results of intra-articular injected 90 Y HA are presented in Fig. 10.11. After intra-articular injection, biodistribution experiments in rats showed almost 99.1% of radioactive particles 90 Y and 90 Y HA, localized in the synovium for at least 96 h, with no detectable activity in the other organs. The results demonstrate that the distribution of the radiolabelled particles in the organs depends on the mode of administration. Greater uptake of 90 Y HA and 90 Y HEDP HA was seen in the liver and spleen when injected intravenously. However, when the radiolabelled particles were administered intra-articularly in rats, almost 99.1% of 90 Y HEDP HA and 90 Y HA remained localized in the synovium for at least 96 h, with no detectable activity in other organs. FIG. 10.10. Organ distribution study of 90 Y polyphosphate HA at 2 and 72 h after intravenous application (mean ± SD, n = 3). 190
FIG. 10.11. Organ distribution study of 90 Y HA after intra-articular application. FIG. 10.12. Scintigraphic image of a knee of a rat at 2 h (left) and 72 h (right) after intra-articular injection of 90 Y HA. Scintigraphic images of the knee of a rat at 2 and 72 h after intra-articular application of 90 Y HA colloid particles into the knee are shown in Fig. 10.12. 191
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IAEA RADIOISOTOPES AND RADIOPHARMAC
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YTTRIUM-90 AND RHENIUM-188 RADIOPHA
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IAEA RADIOISOTOPES AND RADIOPHARMAC
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FOREWORD The IAEA helps to promote
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CONTENTS CHAPTER 1. INTRODUCTION ..
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7.4. Discussion ...................
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CHAPTER 12. DEVELOPMENT OF 90 Sr/ 9
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Chapter 1 INTRODUCTION 1.1. BACKGRO
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devices were designed to improve th
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etention of the antibody’s target
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Binding affinity of these derivativ
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Chapter 2 FUNDAMENTAL CONCEPTS IN R
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A special characteristic of radioph
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β particles emitted by 90 Y. Numer
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2.3.1. Exploitation of certain meta
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2.3.3. Antibodies The high specific
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cell cultures, presents one example
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Another very promising form of radi
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destructive processes within the jo
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esearch efforts, since then. Howeve
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[2.18] HAMILTON, J.G., The metaboli
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[2.52] GOLDENBERG, D.M., et al., Mu
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Chapter 3 DEVELOPMENT OF RADIOPHARM
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FIG. 3.3. Elution efficiencies for
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FIG. 3.5. Electrodeposition of yttr
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The results of the experiments of r
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TABLE 3.3. RESULTS FOR 90 Sr/ 90 Y
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FIG. 3.11. Elution yield of a 90 Sr
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According to Fig. 3.12, there is a
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eagent (Sigma). The mean recovery o
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FIG. 3.18. Variation of RCP (%) of
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(20 and 30 min) and volume of 188 R
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FIG. 3.24. Variation of labelling y
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(c) Clodronate: 20 mg of clodronate
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Chapter 4 EVALUATION OF THE 90 Sr/
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Kamadhenu consists of five main com
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Quality control of radiolabelling w
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The electrochemical deposition of 9
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FIG. 4.5. Typical pattern of the wh
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FIG. 4.6. Elution profile from the
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FIG. 4.8. CD20 recognition in Ramos
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4.5. RECOMMENDATIONS AND FUTURE WOR
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adioiodine labelled anti-NCAM antib
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FIG. 5.1. Comparison of biodistribu
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FIG. 5.3. Three step strategy. Biot
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TABLE 5.1. THREE STEP PRETARGETING:
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5.1.4. Therapeutic experiments with
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5.1.4.4. Conclusion The radioiodine
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control procedure for detection of
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6.1.3. Recovery of doped 85/89 Sr 2
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6.2. PREPARATION AND BIOEVALUATION
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(a) (b) (c) FIG. 6.5. PD-10 column
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FIG. 6.7. SDS PAGE pattern of ritux
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FIG. 6.10. HPLC pattern of pure 90
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FIG. 6.13. Cell binding studies wit
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6.2.1.6. Conclusion The procedure f
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FIG. 6.17. Elution profile of 90 Y
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form NADH, which, in turn, causes t
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FIG. 6.19. In vivo distribution pat
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ACKNOWLEDGEMENTS The authors of thi
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Chapter 7 DEVELOPMENT OF THERAPEUTI
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the residual breast tissue becoming
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7.2.5.2. Automatic procedure The la
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FIG. 7.2. RCP values of 90 Y r-BHD
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FIG. 7.3. Pyrogen test shows result
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to avidin at the 1:4 avidin:r-BHD m
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[7.9] SU, F.M., GUSTAVSON, L.M., AX
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8.1. INTRODUCTION In past years, th
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(a) FIG. 8.1. (a) Schematic illustr
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Preliminary synthesis of the biotin
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(a) (b) FIG. 8.4. (a) PEGylated and
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TABLE 8.2. BIODISTRIBUTION IN RATS
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A specific binding to avidin was ev
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[8.13] BOSCHI, A., DUATTI, A., UCCE
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90 Y solution obtained from a 90 Sr
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From each fraction, a ~1 g aliquot
Page 153 and 154: FIG. 9.2. Relationship between 90 S
Page 155 and 156: with 188 Re obtained from the 188 W
Page 157 and 158: 9.3.2. Labelling of DPA ale DPA ale
Page 159 and 160: FIG. 9.8. TLC radiochromatogram of
Page 161 and 162: (-) 188 Re(CO) 3 (+) (-) 99m Tc(CO)
Page 163 and 164: the HSA solution containing sodium
Page 165 and 166: TABLE 9.3. RESULTS OF 99m Tc LABELL
Page 167 and 168: 9.4.4. Yttrium-90 and 177 Lu labell
Page 169 and 170: FIG. 9.14. In vitro stability of 90
Page 171 and 172: (a) (b) (c) (d) (e) (f) (g) (h) (i)
Page 173 and 174: TABLE 9.8. YTTRIUM-90 CITRATE COLLO
Page 175 and 176: (a) (b) FIG. 9.17. Grain size distr
Page 177 and 178: TABLE 9.10. BIODISTRIBUTION AFTER A
Page 179 and 180: FIG. 9.19. Structure of DOTA biotin
Page 181 and 182: [9.8] WESTERA, G., GADZE, A., HORST
Page 183 and 184: Chapter 10 DEVELOPMENT, PREPARATION
Page 185 and 186: acidic pH) and the vial heated for
Page 187 and 188: 10.2.2.1. Materials and methods (a)
Page 189 and 190: Using a semiquantitative method, th
Page 191 and 192: FIG. 10.3. Whole body, SPECT and ta
Page 193 and 194: TABLE 10.4. ORGAN DISTRIBUTION STUD
Page 195 and 196: was assessed by measuring the relea
Page 197 and 198: —— Biological studies: The whol
Page 199 and 200: or liver) (see Fig. 10.7). The resu
Page 201 and 202: (b) Results and discussion Healthy
Page 203: and the pellet (particles of HA lab
Page 207 and 208: The procedure was as follows: —
Page 209 and 210: TABLE 10.5. INFLUENCE OF CHEMICAL I
Page 211 and 212: analysed using ICP OES was within t
Page 213 and 214: suggested for separation of pure 86
Page 215 and 216: adionuclidic purity of the 90 Y sol
Page 217 and 218: FIG. 10.16. (a) Strontium-90/yttriu
Page 219 and 220: [10.5] DJOKIĆ, D.J., JANKOVIĆ, D.
Page 221 and 222: Yttrium-90 is one of the radionucli
Page 223 and 224: (a) (b) (c) The generator was prepa
Page 225 and 226: —— Development of EPC: The EPC
Page 227 and 228: FIG. 11.4. Elution curve of 90 Sr e
Page 229 and 230: 11.4. YTTRIUM-90 MAbs The use of th
Page 231 and 232: FIG. 11.6. RCP measured using ITLC
Page 233 and 234: FIG. 11.9. Biodistribution of 90 Y
Page 235 and 236: 11.5. YTTRIUM-90 EDTMP Bone metasta
Page 237 and 238: FIG. 11.14. Electrophoresis of 90 Y
Page 239 and 240: FIG. 11.15. Particle size distribut
Page 241 and 242: 11.7. CONCLUSION During this CRP, a
Page 243 and 244: Chapter 12 DEVELOPMENT OF 90 Sr/ 90
Page 245 and 246: 12.1.1.4. Acid vapour trap and radi
Page 247 and 248: 12.1.8. Yttrium-90 peptide labellin
Page 249 and 250: (a) FIG. 12.3. Yttrium-90 elution p
Page 251 and 252: FIG. 12.6. HPLC of 90 Y DOTATATE. 1
Page 253 and 254: Chapter 13 BIFUNCTIONAL BISPHOSPHON
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latter requirement [13.10]. When th
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whether the organometallic core sel
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The fate of a targeted imaging prob
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FIG. 13.7. SPECT/CT images showing
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FIG. 13.9. TLC SG analyses of [ 188
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FIG. 13.11. Stability study (toward
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Ex vivo biodistribution studies at
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was in the form of either pertechne
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FIG. 13.19. Absolute uptake of 99m
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[13.2] ZHANG, S., GANGAL, G., ULUDA
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[13.31] DE ROSALES, R.T.M., et al.,
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The activity due to 90 Sr should be
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14.3.1.2. Operation of the 90 Sr/ 9
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antibody were taken, to which 90 Y
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operation, radiopharmaceutical grad
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14.4.1.3. Operation of the stage II
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A typical EPC pattern for a 90 Y pr
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FIG. 14.10. Decay curve of carrier
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FIG. 14.12. ITLC of 90 Y rituximab.
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FIG. 14.13. Reaction scheme for lab
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TABLE 14.6. STABILITY (%) OF 90 Y D
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FIG. 14.18. Microsphere albumin siz
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[14.3] PANDEY, U., DHAMI, P.S., JAG
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naphthalene and 1.2 g of 2,5-diphen
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A-2.2. Materials The method for sep
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out using a Wallac 1411 spectromete
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A-5.3. Procedure The technique was
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Although acyclic chelators offer ma
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(b) (c) and 90 Y colloids, both ser
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CONTRIBUTORS TO DRAFTING AND REVIEW
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INDIA Allied Publishers 1 st Floor,
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A key requirement for the effective
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Yttrium-90 and Rhenium-188 Radiopharmaceuticals for Radionuclide Therapy

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