Review Article

A Hybrid Framework of Blockchain and IoT Technology in the Pharmaceutical Industry: A Comprehensive Study

Table 1

Summary of the literature review.

s/nAuthors and titleWork doneStrengthDrawback

1Haq and Muselemu [21]Proposed a model for counterfeit medications using a mobile app to check for verification and a permission blockchainTraceability and transparency are achievedIoT was not incorporated into this model. Other things, like the temperature of the medical product during transportation, were not achieved

2Benchoufi et al. and colleagues [25]Proposed a model for protecting patient data, improving clinical research, and ensuring consent for clinical trialsTraceability and transparency are provided for clinical dataThey discussed the use case of blockchain in general for healthcare, but no further explanation was given for blockchain and IoT in the pharmaceutical industry

3Rayan and Zubair [27]An IoT-integrated blockchain model for supply chain traceability and transparencyTransparency and real-time monitoring using blockchain and IoT technologyNo in-depth explanation of the proposed model by the authors
No direct feedback mechanism between consumers and the manufacturer

4Alam et al. [49]A blockchain-based model to eliminate drug counterfeiting in the pharmaceutical industryTransparency and traceability of the chain(i) No explanation was given on how the consumer checks the validity of the product
(ii) IoT was not integrated into the model that was proposed
(iii) Nonavailability of a feedback system between the consumer and the manufacturer

5Malik et al. [29]The three-layered framework known as TrustChain uses consortium blockchain to solve trust issues with commodities and the integrity of dataSmart contract used for automation of reputation calculationNo direct feedback mechanism between the manufacturer and the consumer

6Raj et al. [50]Use of smart contracts and the blockchain to establish proof ownership of a product and the authenticity using the electronic product codeAutomation of smart contracts in the supply chain processNo incorporation of IoT technology
Transparency and supply chain history validityNo feedback mechanism between the manufacturer and the consumer

7Pandey and Dhanalakshmi [30]Smart contracts and blockchain provide solutions for drug counterfeitingPharmaceutical supply chain data were stored using an immutable ledgerData integrity was not achieved. The systems depend on stakeholders storing data
No incorporation with IoT
No feedback mechanism between the manufacturer and the consumer

8Pham et al. [31]The anti-counterfeit medicine management system based on IPFS and ethereum networkTransparency in the proposed system using the blockchain(i) No feedback mechanism between manufacturers and consumers

9Makarov [34]Evaluation of the use of smart contracts in pharmaceuticalsApplication of blockchainIoT as a solution to the problems of pharmaceuticals was not proposed
No feedback mechanism was suggested between manufacturers and consumers

10Plotnikov and Kuznetsova [32]General overview of the importance of digital technologies to fostering economy and blockchain as a major contributor to today’s economyInsights into the applications and positive effects of blockchain’s implementationNo framework was proposed to solve the issue of falsified and substandard medications

11Zakari et al. [51]A systematic literature review on the applications of blockchain in the pharmaceutical industry, challenges, and future directionsChallenges and future directions in the adaptation and adoption of blockchain were covered by the authorNo framework was proposed to solve the pharmaceutical supply chain problem

12Subramanian et al. [35]A model to eliminate drug counterfeiting through the use of smart contracts and blockchainTransparency and traceability(i) No incorporation with IoT
(ii) No direct feedback mechanism between the manufacturer and the consumer

13Jangir et al. [52]Web 3 application built for pharmaceutical stakeholders that allow users to track products by querying the product IDTraceability and transparencyNo integration with IoT
No feedback mechanism between manufacturers and consumers

14Chiacchio et al. [36]Utilization of nonfungible tokens as a solution to drug counterfeiting, tracking, and tracingDigital uniqueness of NFTSNo feedback mechanism for manufacturers and consumers

15Gogos and Rochelle [37]Research work on blockchain potentials in the pharmaceutical industryThe result showed that blockchain can be used for traceability and privacy, amongst several other benefitsNo model was proposed for solving the pharmaceutical supply chain problem

16Shashi [39]Study and analysis of the cold chain system in the pharma supply chainUse of IoT technology as an enablerBlockchain technology was not used

17Jammula et al. [41]Designed a model for temperature monitoring in the pharmaceutical supply chainThe use of IoT and blockchainThe authentication of the product stops at the end user, and no feedback mechanism between the manufacturer and the consumer

18Kumari [42]The proposed model to curb the wide spread of counterfeit medication in the healthcare sectorThe blockchain-based model ensures transparencyNo explicit knowledge of the methodology was proposed

19Jain et al. [43]Proposed a blockchain-based solution for medicine counterfeitingTransparency and traceability because of the blockchainNo IoT-integrated framework
No feedback mechanism between the manufacturer and the consumer

20Sharma and Sikka [53]A survey on the practical approaches to prevent drug counterfeiting using blockchain technologyPractical blockchain-based solutionNo integration with IoT

21Khubrani and Alam [54]The supply chain management system using the IPFS and the ethereum networkTransparency and Scalability in the supply management systemAn IoT framework was not integrated

22Jaisimha and Kumar [44]A systematic mapping study on the feasibility of blockchain in the pharma supply chainIoT and smart contract integration for automated control of the systemNo feedback mechanism in the supply chain model for the customer and the manufacturer

23Humayun et al. [45]A model for securing drug distribution from tampering using blockchainData coordination and data management using blockchainNo IoT framework was introduced

24Gao et al. [46]The study analyzes the future development of blockchain technology in the pharmaceutical industry and its general reception by consumers of healthcare facilitiesBlockchain was found in this analysis and research as a solution to major challenges faced by the medical industryNo model was proposed on how to solve the problems faced by the medical industry
The study did not cover the use of IoT

25Alagarsamy et al. [48]IoT applications in the pharmaceutical industryThe authors identified three main applications of IoT: IoT in pharmaceutical manufacturing, IoT in drug discovery, and IoT in clinical trialsNo model was proposed on how to apply IoT in the pharma industry

26Tehrani and Jin [55]Wearable technology and personalized patient care through the use of IoTThe study only focused on the applications of IoT in the pharmaceutical industry, and there was no integration with blockchain technology
No model was proposed to address the challenges faced in the pharmaceutical industry
27Bharny et al. [56]The anti-counterfeit model to reduce and curb the widespread drug counterfeiting and false medicationsAutomation of the supply chain process using IoT, transparency of supply chain history with blockchain technology, and credibility of transactions using the smart contractNo feedback mechanism between the manufacturer and the final consumer

28Jochumsen and Chaudhuri [57]Analysis was carried out to learn in-depth information about blockchain’s potential in the pharmaceutical industry as well as its potential for supply chains and procurementTracking, tracing, and securing IoT were identified as ways blockchain could impact the pharmaceutical supply industryNo model was proposed to implement blockchain technology in the pharmaceutical industry

29Lingayat et al. [58]A blockchain model was designed to enable the security of the pharmaceutical supply chainTransparency and immutability of the blockchain allow all records to be visible and unchangedNo feedback mechanism between the manufacturer and the consumer

30Fekih and Lahami [59]General overview of the knowledge of blockchain technology and its different applications in the healthcare sectorBlockchain and IoT technology applications were covered in the healthcare sectorNo framework was proposed for the implementation of IoT and blockchain in the pharmaceutical industry