Amir Jalilian

[ 1 ] - Preparation and biological study of 68Ga-DOTA-alendronate

Objective(s): In line with previous research on the development of conjugated bisphosphonate ligands as new bone-avid agents, in this study, DOTA conjugated alendronate (DOTA-ALN) was synthesized and evaluated after labeling with gallium-68 (68Ga).Methods: DOTA-ALN was synthesized and characterized, followed by 68Ga-DOTA-ALN preparation, using DOTA-ALN and 68GaCl3 (pH: 4-5) at 92-95°C for 10 mi...

[ 2 ] - Preclinical Studies of 68Ga-DOTATOC: Biodistribution Assessment in Syrian Rats and Evaluation of Absorbed Dose in Human Organs

Objective(s): Gallium-68 DOTA-DPhe1-Tyr3-Octreotide (68Ga-DOTATOC) has been applied by several European centers for the treatment of a variety of human malignancies. Nevertheless, definitive dosimetric data are yet unavailable. According to the Society of Nuclear Medicine and Molecular Imaging, researchers are investigating the safety and efficacy of this radiotracer to meet Food and Drug Admin...

[ 3 ] - Preparation and Quality Control of 68Ga-Citrate for PET Applications

Objective(s): In nuclear medicine studies, gallium-68 (68Ga) citrate has been recently known as a suitable infection agent in positron emission tomography (PET). In this study, by applying an in-house produced 68Ge/68Ga generator, a simple technique for the synthesis and quality control of 68Ga-citrate was introduced; followed by preliminary animal studies. Methods: 68GaCl3 eluted from the ge...

[ 4 ] - Production, biodistribution assessment and dosimetric evaluation of 177Lu-TTHMP as a bone pain palliation agent

Objective(s): Recently, bone-avid radiopharmaceuticals have been shown to have potential benefits for the treatment of widespread bone metastases. Although 177Lutriethylene tetramine hexa methylene phosphonic acid (abbreviated as 177Lu- TTHMP), as an agent for bone pain palliation, has been evaluated in previous studies, there are large discrepancies between the obtained results. In this study,...

[ 5 ] - Development of 111In-labeled porphyrins for SPECT imaging

Objectives: The aim of this research was the development of 111In-labeled porphyrins as possible radiopharmaceuticals for the imaging of tumors. Methods: Ligands, 5, 10, 15, 20-tetrakis (3, 5-dihydroxyphenyl) porphyrin) (TDHPP), 5, 10, 15, 20-tetrakis (4-hydroxyphenyl) porphyrin (THPP) and 5, 10, 15, 20-tetrakis (3,4-dimethoxyphenyl) porphyrin) (TDMPP) were labeled with 111InCl3 (produced from ...

[ 6 ] - Treatment efficacy of 153Sm-EDTMP for painful bone metastasis

Introduction: Involvement of the skeleton can cause an excruciating pain in two-thirds of terminal patients with a history of malignancy. Due to several limitations of other therapies, such as analgesics, bisphosphonates, chemotherapy, hormonal therapy and external beam radiotherapy; bone-seeking radiopharmaceuticals have an important role in palliation of pain from bone metastases. Although th...

[ 7 ] - Preparation and quality control of 177Lu-chitosan for radiosynovectomy

Introduction: Rheumatoid arthritis (RA) is the most common autoimmune disease, leading to the destruction of the joints and causing pain, disability, and immobility in the patients. Radiosynovectomy (RSV) has been applied as an effective treatment for the patients with resistant synovitis after failure of long-term pharmacotherapy and intra-articular steroid injection for more than 50 years. Se...

[ 8 ] - Indium-111 maltolate complex as a cell labeling agent for SPECT imaging

Introduction: Due to the cell labeling potentials of various metal-maltol complexes, the idea of developing a possible cell labeling imaging agent using single photon emission computed chromatography (SPECT) with[111In]-maltolate complex has been investigated. Methods: [111In] labeled 3-hydroxy-2-methyl-4H-pyran-4-onate ([111In]-maltolate) was prepared using f...

[ 9 ] - Radiosynthesis and Quality Control of [67Ga]-3,4-dimethoxylated Porphyrin Complex as a Possible Imaging agent

Radiolabeled porphyrins are potential tumor avid radiopharmaceuticals because of their impersonation in the human body, ability to complex various radionuclides, water solubility, low toxicity etc. in this work a radiogallium porphyrin complex has been developed. [67Ga] labeled 5,10,15,20-tetrakis(3,4-dimethoxyphenyl) porphyrin ([67Ga]-TDMPP) was prepared using freshly prepared [67Ga]GaCl3 and ...

[ 10 ] - Production and Quality Control of [67Ga]-DOTA-trastuzumab for Radioimmunoscintigraphy

Breast cancer radioimmunoscintigraphy targeting HER2/neu expression is a growing fieldof work in nuclear medicine research. In this study, trastuzumab was successively labeledwith [67Ga] GaCl3 after conjugation with DOTA-NHS-ester.The conjugates were purified by molecular filtration, the average number ofDOTA conjugated per mAb was calculated and total concentration was determined byspectrophot...

[ 11 ] - Preparation and Biodistribution Studies of a Radiogallium-Acetylacetonate Bis (Thiosemicarbazone) Complex in Tumor-Bearing Rodents

Various radiometal complexes have been developed for tumor imaging, especially Ga-68 tracer. In the present study, the development of a radiogallium bis-thiosemicarbazone complex has been reported. [67Ga] acetylacetonate bis(thiosemicarbazone) complex ([67Ga] AATS) was prepared starting [67Ga]Gallium acetate and freshly prepared acetylacetonate bis (thiosemicarbazone) (AATS) in 30 min at 90°...

[ 12 ] - Radiosynthesis and Quality Control of [67Ga]-3,4-dimethoxylated Porphyrin Complex as a Possible Imaging agent

Radiolabeled porphyrins are potential tumor avid radiopharmaceuticals because of their impersonation in the human body, ability to complex various radionuclides, water solubility, low toxicity etc. in this work a radiogallium porphyrin complex has been developed. [67Ga] labeled 5,10,15,20-tetrakis(3,4-dimethoxyphenyl) porphyrin ([67Ga]-TDMPP) was prepared using freshly prepared [67Ga]GaCl3 and ...

[ 13 ] - Production and Quality Control of [67Ga]-DOTA-trastuzumab for Radioimmunoscintigraphy

Breast cancer radioimmunoscintigraphy targeting HER2/neu expression is a growing fieldof work in nuclear medicine research. In this study, trastuzumab was successively labeledwith [67Ga] GaCl3 after conjugation with DOTA-NHS-ester.The conjugates were purified by molecular filtration, the average number ofDOTA conjugated per mAb was calculated and total concentration was determined byspectrophot...

[ 14 ] - Preparation and Biodistribution Studies of a Radiogallium-Acetylacetonate Bis (Thiosemicarbazone) Complex in Tumor-Bearing Rodents

Various radiometal complexes have been developed for tumor imaging, especially Ga-68 tracer. In the present study, the development of a radiogallium bis-thiosemicarbazone complex has been reported. [67Ga] acetylacetonate bis(thiosemicarbazone) complex ([67Ga] AATS) was prepared starting [67Ga]Gallium acetate and freshly prepared acetylacetonate bis (thiosemicarbazone) (AATS) in 30 min at 90°...

[ 15 ] - Preparation and quality control of 153Sm-[tris(1,10 -phenanthroline) samarium (III)] complex

Background: The 153Sm-[tris(1,10-phenanthroline) Samarium(III)]complex (153Sm-PL3) was prepared in view of development of targeting therapeutic compounds for malignancies, and interesting in-vitro anti-tumor activities of lanthanide phenanthroline complexes,. Materials and Methods: Sm-153 chloride was obtained by thermal neutron flux (4 × 1013 n.cm-2.s-1) of enriched 152Sm2O3 sample, diss...

[ 16 ] - Lethality Assay of Radiopharmaceutical bis-Thiosemicarbazones Using Brine Shrimp (Artemia salina) Test

In the present study, aqueous solutions of some copper-complexing ligands were screened for their cytotoxicity using brine shrimp lethality test. Among the ligands tested, diacetyl-bis(N4-methylthiosemicarbazones) (ATSM) proved to be the most safe and non-toxic compound (2% lethality at 10 ppm), while pyruvaldehyde Bis(N4-methyl)thiosemicarbazone (P...